Release v8.0.0

Closes: https://github.com/kevin1024/vcrpy/issues/685

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[Makefile]
+indent_style = tab
+
+[*.{yml,yaml}]
+indent_size = 2

.github/workflows/codespell.yml

@@ -13,10 +13,10 @@ permissions:
 jobs:
   codespell:
     name: Check for spelling errors
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
       - name: Codespell
         uses: codespell-project/actions-codespell@v2

.github/workflows/docs.yml

@@ -0,0 +1,23 @@
+name: Validate docs
+
+on:
+  push:
+    paths:
+      - 'docs/**'
+
+jobs:
+  validate:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
+
+      - name: Install build dependencies
+        run: pip install -r docs/requirements.txt
+      - name: Rendering HTML documentation
+        run: sphinx-build -b html docs/ html
+      - name: Inspect html rendered
+        run: cat html/index.html

.github/workflows/main.yml

@@ -5,39 +5,57 @@ on:
     branches:
       - master
   pull_request:
+  schedule:
+    - cron: "0 16 * * 5" # Every Friday 4pm
   workflow_dispatch:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy-3.8"]
+        python-version:
+          - "3.10"
+          - "3.11"
+          - "3.12"
+          - "3.13"
+          - "pypy-3.11"
 
     steps:
-      - uses: actions/checkout@v3.5.2
+      - uses: actions/checkout@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
       - name: Install project dependencies
         run: |
-          pip3 install --upgrade pip
-          pip3 install codecov tox tox-gh-actions
+          uv pip install --system --upgrade pip setuptools
+          uv pip install --system codecov '.[tests]'
+          uv pip check
 
-      - name: Run online tests with tox
-        run: tox -- -m online
+      - name: Allow creation of user namespaces (e.g. to the unshare command)
+        run: |
+          # .. so that we don't get error:
+          # unshare: write failed /proc/self/uid_map: Operation not permitted
+          # Idea from https://github.com/YoYoGames/GameMaker-Bugs/issues/6015#issuecomment-2135552784 .
+          sudo sysctl kernel.apparmor_restrict_unprivileged_userns=0
 
-      - name: Run offline tests with tox with no access to the Internet
+      - name: Run online tests
+        run: ./runtests.sh --cov=./vcr --cov-branch --cov-report=xml --cov-append -m online
+
+      - name: Run offline tests with no access to the Internet
         run: |
           # We're using unshare to take Internet access
-          # away from tox so that we'll notice whenever some new test
+          # away so that we'll notice whenever some new test
           # is missing @pytest.mark.online decoration in the future
           unshare --map-root-user --net -- \
-              sh -c 'ip link set lo up; tox -- -m "not online"'
+              sh -c 'ip link set lo up; ./runtests.sh --cov=./vcr --cov-branch --cov-report=xml --cov-append -m "not online"'
 
       - name: Run coverage
         run: codecov

.github/workflows/pre-commit-detect-outdated.yml

@@ -0,0 +1,62 @@
+# Copyright (c) 2023 Sebastian Pipping <sebastian@pipping.org>
+# Licensed under the MIT license
+
+name: Detect outdated pre-commit hooks
+
+on:
+  schedule:
+    - cron: '0 16 * * 5'  # Every Friday 4pm
+
+# NOTE: This will drop all permissions from GITHUB_TOKEN except metadata read,
+#       and then (re)add the ones listed below:
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  pre_commit_detect_outdated:
+    name: Detect outdated pre-commit hooks
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v6
+        with:
+          python-version: 3.12
+
+      - name: Install pre-commit
+        run: |-
+          pip install \
+            --disable-pip-version-check \
+            --no-warn-script-location \
+            --user \
+            pre-commit
+          echo "PATH=${HOME}/.local/bin:${PATH}" >> "${GITHUB_ENV}"
+
+      - name: Check for outdated hooks
+        run: |-
+          pre-commit autoupdate
+          git diff -- .pre-commit-config.yaml
+
+      - name: Create pull request from changes (if any)
+        id: create-pull-request
+        uses: peter-evans/create-pull-request@v7
+        with:
+          author: 'pre-commit <pre-commit@tools.invalid>'
+          base: master
+          body: |-
+            For your consideration.
+
+            :warning: Please **CLOSE AND RE-OPEN** this pull request so that [further workflow runs get triggered](https://github.com/peter-evans/create-pull-request/blob/main/docs/concepts-guidelines.md#triggering-further-workflow-runs) for this pull request.
+          branch: precommit-autoupdate
+          commit-message: "pre-commit: Autoupdate"
+          delete-branch: true
+          draft: true
+          labels: enhancement
+          title: "pre-commit: Autoupdate"
+
+      - name: Log pull request URL
+        if: "${{ steps.create-pull-request.outputs.pull-request-url }}"
+        run: |
+          echo "Pull request URL is: ${{ steps.create-pull-request.outputs.pull-request-url }}"

.github/workflows/pre-commit.yml

@@ -0,0 +1,20 @@
+# Copyright (c) 2023 Sebastian Pipping <sebastian@pipping.org>
+# Licensed under the MIT license
+
+name: Run pre-commit
+
+on:
+- pull_request
+- push
+- workflow_dispatch
+
+jobs:
+  pre-commit:
+    name: Run pre-commit
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v5
+    - uses: actions/setup-python@v6
+      with:
+        python-version: 3.12
+    - uses: pre-commit/action@v3.0.1

.pre-commit-config.yaml

@@ -0,0 +1,17 @@
+# Copyright (c) 2023 Sebastian Pipping <sebastian@pipping.org>
+# Licensed under the MIT license
+
+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.14.6
+    hooks:
+      - id: ruff
+        args: ["--output-format=full"]
+      - id: ruff-format
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: check-merge-conflict
+      - id: end-of-file-fixer
+      - id: trailing-whitespace

.readthedocs.yaml

@@ -0,0 +1,24 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-24.04
+  tools:
+    python: "3.12"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+python:
+  install:
+  - requirements: docs/requirements.txt
+  - method: pip
+    path: .

MANIFEST.in

@@ -1,6 +1,5 @@
 include README.rst
 include LICENSE.txt
-include tox.ini
 recursive-include tests *
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]

README.rst

@@ -4,7 +4,7 @@ VCR.py 📼
 ###########
 
 
-|PyPI| |Python versions| |Build Status| |CodeCov| |Gitter| |CodeStyleBlack|
+|PyPI| |Python versions| |Build Status| |CodeCov| |Gitter|
 
 ----
 
@@ -70,6 +70,3 @@ more details
 .. |CodeCov| image:: https://codecov.io/gh/kevin1024/vcrpy/branch/master/graph/badge.svg
    :target: https://codecov.io/gh/kevin1024/vcrpy
    :alt: Code Coverage Status
-.. |CodeStyleBlack| image:: https://img.shields.io/badge/code%20style-black-000000.svg 
-   :target: https://github.com/psf/black
-   :alt: Code Style: black

docs/_static/vcr.svg

@@ -24,4 +24,4 @@
       <stop offset="1" stop-color="#27DDA6"/>
     </linearGradient>
   </defs>
-</svg>
+</svg>

docs/advanced.rst

@@ -16,7 +16,7 @@ a nice addition. Here's an example:
     with vcr.use_cassette('fixtures/vcr_cassettes/synopsis.yaml') as cass:
         response = urllib2.urlopen('http://www.zombo.com/').read()
         # cass should have 1 request inside it
-        assert len(cass) == 1 
+        assert len(cass) == 1
         # the request uri should have been http://www.zombo.com/
         assert cass.requests[0].uri == 'http://www.zombo.com/'
 
@@ -136,7 +136,8 @@ Create your own persistence class, see the example below:
 
 Your custom persister must implement both ``load_cassette`` and ``save_cassette``
 methods.  The ``load_cassette`` method must return a deserialized cassette or raise
-``ValueError`` if no cassette is found.
+either ``CassetteNotFoundError`` if no cassette is found, or ``CassetteDecodeError``
+if the cassette cannot be successfully deserialized.
 
 Once the persister class is defined, register with VCR like so...
 
@@ -188,7 +189,7 @@ of post data parameters to filter.
 
 .. code:: python
 
-    with my_vcr.use_cassette('test.yml', filter_post_data_parameters=['client_secret']):
+    with my_vcr.use_cassette('test.yml', filter_post_data_parameters=['api_key']):
         requests.post('http://api.com/postdata', data={'api_key': 'secretstring'})
 
 Advanced use of filter_headers, filter_query_parameters and filter_post_data_parameters
@@ -207,7 +208,7 @@ So these two calls are the same:
 
     # original (still works)
     vcr = VCR(filter_headers=['authorization'])
-    
+
     # new
     vcr = VCR(filter_headers=[('authorization', None)])
 
@@ -217,7 +218,7 @@ Here are two examples of the new functionality:
 
     # replace with a static value (most common)
     vcr = VCR(filter_headers=[('authorization', 'XXXXXX')])
-    
+
     # replace with a callable, for example when testing
     # lots of different kinds of authorization.
     def replace_auth(key, value, request):
@@ -285,7 +286,7 @@ sensitive data from the response body:
         before_record_response=scrub_string(settings.USERNAME, 'username'),
     )
     with my_vcr.use_cassette('test.yml'):
-         # your http code here    
+         # your http code here
 
 
 Decode compressed response
@@ -426,3 +427,16 @@ If you want to save the cassette only when the test succeeds, set the Cassette
 
     # Since there was an exception, the cassette file hasn't been created.
     assert not os.path.exists('fixtures/vcr_cassettes/synopsis.yaml')
+
+Drop unused requests
+--------------------
+
+Even if any HTTP request is changed or removed from tests, previously recorded
+interactions remain in the cassette file.  If set the ``drop_unused_requests``
+option to ``True``, VCR will not save old HTTP interactions if they are not used.
+
+.. code:: python
+
+    my_vcr = VCR(drop_unused_requests=True)
+    with my_vcr.use_cassette('fixtures/vcr_cassettes/synopsis.yaml'):
+        ...  # your HTTP interactions here

docs/changelog.rst

@@ -7,11 +7,64 @@ For a full list of triaged issues, bugs and PRs and what release they are target
 
 All help in providing PRs to close out bug issues is appreciated. Even if that is providing a repo that fully replicates issues. We have very generous contributors that have added these to bug issues which meant another contributor picked up the bug and closed it out.
 
+-  8.0.0
+    - BREAKING: Drop support for Python 3.9 (major version bump) - thanks @jairhenrique
+    - BREAKING: Drop support for urllib3 < 2 - fixes CVE warnings from urllib3 1.x (#926, #880) - thanks @jairhenrique
+    - New feature: ``drop_unused_requests`` option to remove unused interactions from cassettes (#763) - thanks @danielnsilva
+    - Rewrite httpx support to patch httpcore instead of httpx (#943) - thanks @seowalex
+        - Fixes ``httpx.ResponseNotRead`` exceptions (#832, #834)
+        - Fixes ``KeyError: 'follow_redirects'`` (#945)
+        - Adds support for custom httpx transports
+    - Fix HTTPS proxy handling - proxy address no longer ends up in cassette URIs (#809, #914) - thanks @alga
+    - Fix ``iscoroutinefunction`` deprecation warning on Python 3.14 - thanks @kloczek
+    - Only log message if response is appended - thanks @talfus-laddus
+    - Optimize urllib.parse calls - thanks @Martin-Brunthaler
+    - Fix CI for Ubuntu 24.04 - thanks @hartwork
+    - Various CI improvements: migrate to uv, update GitHub Actions - thanks @jairhenrique
+    - Various linting and test improvements - thanks @jairhenrique and @hartwork
+
+-  7.0.0
+    - Drop support for python 3.8 (major version bump) - thanks @jairhenrique
+    - Various linting and test fixes - thanks @jairhenrique
+    - Bugfix for urllib2>=2.3.0 - missing version_string (#888)
+    - Bugfix for asyncio.run - thanks @alekeik1
+-  6.0.2
+    - Ensure body is consumed only once (#846) - thanks @sathieu
+    - Permit urllib3 2.x for non-PyPy Python >=3.10
+    - Fix typos in test commands - thanks @chuckwondo
+    - Several test and workflow improvements - thanks @hartwork and @graingert
+-  6.0.1
+    - Bugfix with to Tornado cassette generator (thanks @graingert)
+-  6.0.0
+    - BREAKING: Fix issue with httpx support (thanks @parkerhancock) in #784. NOTE: You may have to recreate some of your cassettes produced in previous releases due to the binary format being saved incorrectly in previous releases
+    - BREAKING: Drop support for `boto` (vcrpy still supports boto3, but is dropping the deprecated `boto` support in this release. (thanks @jairhenrique)
+    - Fix compatibility issue with Python 3.12 (thanks @hartwork)
+    - Drop simplejson (fixes some compatibility issues) (thanks @jairhenrique)
+    - Run CI on Python 3.12 and PyPy 3.9-3.10 (thanks @mgorny)
+    - Various linting and docs improvements (thanks @jairhenrique)
+    - Tornado fixes (thanks @graingert)
+-  5.1.0
+    - Use ruff for linting (instead of current flake8/isort/pyflakes) - thanks @jairhenrique
+    - Enable rule B (flake8-bugbear) on ruff - thanks @jairhenrique
+    - Configure read the docs V2 - thanks @jairhenrique
+    - Fix typo in docs - thanks @quasimik
+    - Make json.loads of Python >=3.6 decode bytes by itself - thanks @hartwork
+    - Fix body matcher for chunked requests (fixes #734) - thanks @hartwork
+    - Fix query param filter for aiohttp (fixes #517) - thanks @hartwork and @salomvary
+    - Remove unnecessary dependency on six. - thanks @charettes
+    - build(deps): update sphinx requirement from <7 to <8 - thanks @jairhenrique
+    - Add action to validate docs - thanks @jairhenrique
+    - Add editorconfig file - thanks @jairhenrique
+    - Drop iscoroutinefunction fallback function for unsupported python thanks @jairhenrique
+-  5.0.0
+    - BREAKING CHANGE: Drop support for Python 3.7.  3.7 is EOL as of 6/27/23 Thanks @jairhenrique
+    - BREAKING CHANGE: Custom Cassette persisters no longer catch ValueError.  If you have implemented a custom persister (has anyone implemented a custom persister?  Let us know!) then you will need to throw a CassetteNotFoundError when unable to find a cassette.  See #681 for discussion and reason for this change. Thanks @amosjyng for the PR and the review from @hartwork
+
 -  4.4.0
     - HUGE thanks to @hartwork for all the work done on this release!
     - Bring vcr/unittest in to vcrpy as a full feature of vcr instead of a separate library.  Big thanks to @hartwork for doing this and to @agriffis for originally creating the library
     - Make decompression robust towards already decompressed input (thanks @hartwork)
-    - Bugfix: Add read1 method (fixes compatability with biopython), thanks @mghantous
+    - Bugfix: Add read1 method (fixes compatibility with biopython), thanks @mghantous
     - Bugfix: Prevent filters from corrupting request (thanks @abramclark)
     - Bugfix: Add support for `response.raw.stream()` to fix urllib v2 compat
     - Bugfix: Replace `assert` with `raise AssertionError`: fixes support for `PYTHONOPTIMIZE=1`
@@ -54,8 +107,8 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Bugfix: Fix test suite by switching to mockbin (thanks @jairhenrique)
 -  4.0.2
     - Fix mock imports as reported in #504 by @llybin. Thank you.
--  4.0.1 
-    - Fix logo alignment for PyPI 
+-  4.0.1
+    - Fix logo alignment for PyPI
 -  4.0.0
     - Remove Python2 support (@hugovk)
     - Add Python 3.8 TravisCI support (@neozenith)
@@ -67,7 +120,7 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Add support for `request_info` on mocked responses in aiohttp stub #495 (@nickdirienzo)
     - doc: fixed variable name (a -> cass) in an example for rewind #492 (@yarikoptic)
 
--  2.1.1 
+-  2.1.1
     - Format code with black (@neozenith)
     - Use latest pypy3 in Travis (@hugovk)
     - Improve documentation about custom matchers (@gward)
@@ -75,7 +128,7 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Add `pytest-recording` to the documentation as an alternative Pytest plugin (@Stranger6667)
     - Fix yarl and python3.5 version issue (@neozenith)
     - Fix header matcher for boto3 - fixes #474 (@simahawk)
--  2.1.0 
+-  2.1.0
     - Add a `rewind` method to reset a cassette (thanks @khamidou)
     - New error message with more details on why the cassette failed to play a request (thanks @arthurHamon2, @neozenith)
     - Handle connect tunnel URI (thanks @jeking3)
@@ -87,9 +140,9 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Fix bugs on aiohttp integration (thanks @graingert, @steinnes, @stj, @lamenezes, @lmazuel)
     - Fix Biopython incompatibility (thanks @rishab121)
     - Fix Boto3 integration (thanks @1oglop1, @arthurHamon2)
--  2.0.1 
+-  2.0.1
     - Fix bug when using vcrpy with python 3.4
--  2.0.0 
+-  2.0.0
     - Support python 3.7 (fix httplib2 and urllib2, thanks @felixonmars)
     - [#356] Fixes `before_record_response` so the original response isn't changed (thanks @kgraves)
     - Fix requests stub when using proxy (thanks @samuelfekete @daneoshiga)
@@ -99,56 +152,56 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Improve docs (thanks @adamchainz)
 
 
--  1.13.0 
+-  1.13.0
     - Fix support to latest aiohttp version (3.3.2). Fix content-type bug in aiohttp stub. Save URL with query params properly when using aiohttp.
--  1.12.0 
+-  1.12.0
     - Fix support to latest aiohttp version (3.2.1), Adapted setup to PEP508, Support binary responses on aiohttp, Dropped support for EOL python versions (2.6 and 3.3)
--  1.11.1 
+-  1.11.1
     - Fix compatibility with newest requests and urllib3 releases
--  1.11.0 
+-  1.11.0
     - Allow injection of persistence methods + bugfixes (thanks @j-funk and @IvanMalison),
     - Support python 3.6 + CI tests (thanks @derekbekoe and @graingert),
     - Support pytest-asyncio coroutines (thanks @graingert)
--  1.10.5 
+-  1.10.5
     - Added a fix to httplib2 (thanks @carlosds730), Fix an issue with
     - aiohttp (thanks @madninja), Add missing requirement yarl (thanks @lamenezes),
     - Remove duplicate mock triple (thanks @FooBarQuaxx)
--  1.10.4 
+-  1.10.4
     - Fix an issue with asyncio aiohttp (thanks @madninja)
--  1.10.3 
+-  1.10.3
     - Fix some issues with asyncio and params (thanks @anovikov1984 and @lamenezes)
     - Fix some issues with cassette serialize / deserialize and empty response bodies (thanks @gRoussac and @dz0ny)
--  1.10.2 
+-  1.10.2
     - Fix 1.10.1 release - add aiohttp support back in
--  1.10.1 
+-  1.10.1
     - [bad release] Fix build for Fedora package + python2 (thanks @puiterwijk and @lamenezes)
--  1.10.0 
+-  1.10.0
     - Add support for aiohttp (thanks @lamenezes)
--  1.9.0 
-    - Add support for boto3 (thanks @desdm, @foorbarna). 
+-  1.9.0
+    - Add support for boto3 (thanks @desdm, @foorbarna).
     - Fix deepcopy issue for response headers when `decode_compressed_response` is enabled (thanks @nickdirienzo)
--  1.8.0 
-    - Fix for Serialization errors with JSON adapter (thanks @aliaksandrb). 
-    - Avoid concatenating bytes with strings (thanks @jaysonsantos). 
-    - Exclude __pycache__ dirs & compiled files in sdist (thanks @koobs). 
-    - Fix Tornado support behavior for Tornado 3 (thanks @abhinav). 
+-  1.8.0
+    - Fix for Serialization errors with JSON adapter (thanks @aliaksandrb).
+    - Avoid concatenating bytes with strings (thanks @jaysonsantos).
+    - Exclude __pycache__ dirs & compiled files in sdist (thanks @koobs).
+    - Fix Tornado support behavior for Tornado 3 (thanks @abhinav).
     - decode_compressed_response option and filter (thanks @jayvdb).
--  1.7.4 [#217] 
-    - Make use_cassette decorated functions actually return a value (thanks @bcen). 
+-  1.7.4 [#217]
+    - Make use_cassette decorated functions actually return a value (thanks @bcen).
     - [#199] Fix path transformation defaults.
     - Better headers dictionary management.
--  1.7.3 [#188] 
+-  1.7.3 [#188]
     - ``additional_matchers`` kwarg on ``use_cassette``.
     - [#191] Actually support passing multiple before_record_request functions (thanks @agriffis).
--  1.7.2 
+-  1.7.2
     - [#186] Get effective_url in tornado (thanks @mvschaik)
     - [#187] Set request_time on Response object in tornado (thanks @abhinav).
--  1.7.1 
+-  1.7.1
     - [#183] Patch ``fetch_impl`` instead of the entire HTTPClient class for Tornado (thanks @abhinav).
--  1.7.0 
-    - [#177] Properly support coroutine/generator decoration. 
+-  1.7.0
+    - [#177] Properly support coroutine/generator decoration.
     - [#178] Support distribute (thanks @graingert). [#163] Make compatibility between python2 and python3 recorded cassettes more robust (thanks @gward).
--  1.6.1 
+-  1.6.1
     - [#169] Support conditional requirements in old versions of pip
     - Fix RST parse errors generated by pandoc
     - [Tornado] Fix unsupported features exception not being raised
@@ -162,17 +215,17 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Fix crash when cassette path contains cassette library directory (thanks @gazpachoking).
 -  1.5.0
     - Automatic cassette naming and 'application/json' post data filtering (thanks @marco-santamaria).
--  1.4.2 
+-  1.4.2
     - Fix a bug caused by requests 2.7 and chunked transfer encoding
--  1.4.1 
+-  1.4.1
     - Include README, tests, LICENSE in package. Thanks @ralphbean.
--  1.4.0 
+-  1.4.0
     - Filter post data parameters (thanks @eadmundo)
     - Support for posting files through requests, inject\_cassette kwarg to access cassette from ``use_cassette`` decorated function, ``with_current_defaults`` actually works (thanks @samstav).
 -  1.3.0
     - Fix/add support for urllib3 (thanks @aisch)
     - Fix default port  for https (thanks @abhinav).
--  1.2.0 
+-  1.2.0
     - Add custom\_patches argument to VCR/Cassette objects to allow users to stub custom classes when cassettes become active.
 -  1.1.4
     - Add force reset around calls to actual connection from stubs, to ensure compatibility with the version of httplib/urlib2 in python 2.7.9.
@@ -183,22 +236,22 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - fix Windows connectionpool stub bug (thanks @gazpachoking)
     - add support for requests 2.5
 -  1.1.2
-    - Add urllib==1.7.1 support. 
+    - Add urllib==1.7.1 support.
     - Make json serialize error handling correct
     - Improve logging of match failures.
--  1.1.1 
-    - Use function signature preserving ``wrapt.decorator`` to write the decorator version of use\_cassette in order to ensure compatibility with py.test fixtures and python 2. 
+-  1.1.1
+    - Use function signature preserving ``wrapt.decorator`` to write the decorator version of use\_cassette in order to ensure compatibility with py.test fixtures and python 2.
     - Move all request filtering into the ``before_record_callable``.
--  1.1.0 
+-  1.1.0
     - Add ``before_record_response``. Fix several bugs related to the context management of cassettes.
--  1.0.3 
+-  1.0.3
     - Fix an issue with requests 2.4 and make sure case sensitivity is consistent across python versions
 -  1.0.2
     - Fix an issue with requests 2.3
 -  1.0.1
     - Fix a bug with the new ignore requests feature and the once record mode
--  1.0.0 
-    - *BACKWARDS INCOMPATIBLE*: Please see the 'upgrade' section in the README. Take a look at the matcher section as well, you might want to update your ``match_on`` settings. 
+-  1.0.0
+    - *BACKWARDS INCOMPATIBLE*: Please see the 'upgrade' section in the README. Take a look at the matcher section as well, you might want to update your ``match_on`` settings.
     - Add support for filtering sensitive data from requests, matching query strings after the order changes and improving the built-in matchers, (thanks to @mshytikov)
     - Support for ignoring requests to certain hosts, bump supported Python3 version to 3.4, fix some bugs with Boto support (thanks @marusich)
     - Fix error with URL field capitalization in README (thanks @simon-weber)
@@ -206,27 +259,27 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Added ``all_played`` property on cassette (thanks @mshytikov)
 
 -  0.7.0
-    - VCR.py now supports Python 3! (thanks @asundg) 
+    - VCR.py now supports Python 3! (thanks @asundg)
     - Also I refactored the stub connections quite a bit to add support for the putrequest and putheader calls.
-    - This version also adds support for httplib2 (thanks @nilp0inter). 
+    - This version also adds support for httplib2 (thanks @nilp0inter).
     - I have added a couple tests for boto since it is an http client in its own right.
     - Finally, this version includes a fix for a bug where requests wasn't being patched properly (thanks @msabramo).
 -  0.6.0
     - Store response headers as a list since a HTTP response can have the same header twice (happens with set-cookie sometimes).
-        - This has the added benefit of preserving the order of headers. 
-        - Thanks @smallcode for the bug report leading to this change. 
+        - This has the added benefit of preserving the order of headers.
+        - Thanks @smallcode for the bug report leading to this change.
     - I have made an effort to ensure backwards compatibility with the old cassettes' header storage mechanism, but if you want to upgrade to the new header storage, you should delete your cassettes and re-record them.
-    - Also this release adds better error messages (thanks @msabramo) 
+    - Also this release adds better error messages (thanks @msabramo)
     - and adds support for using VCR as a decorator (thanks @smallcode for the motivation)
 -  0.5.0
-    - Change the ``response_of`` method to ``responses_of`` since cassettes can now contain more than one response for a request. 
-        - Since this changes the API, I'm bumping the version. 
-    - Also includes 2 bugfixes: 
-        - a better error message when attempting to overwrite a cassette file, 
+    - Change the ``response_of`` method to ``responses_of`` since cassettes can now contain more than one response for a request.
+        - Since this changes the API, I'm bumping the version.
+    - Also includes 2 bugfixes:
+        - a better error message when attempting to overwrite a cassette file,
         - and a fix for a bug with requests sessions (thanks @msabramo)
 -  0.4.0
     - Change default request recording behavior for multiple requests.
-        - If you make the same request multiple times to the same URL, the response might be different each time (maybe the response has a timestamp in it or something), so this will make the same request multiple times and save them all. 
+        - If you make the same request multiple times to the same URL, the response might be different each time (maybe the response has a timestamp in it or something), so this will make the same request multiple times and save them all.
         - Then, when you are replaying the cassette, the responses will be played back in the same order in which they were received.
         - If you were making multiple requests to the same URL in a cassette before version 0.4.0, you might need to regenerate your cassette files.
         - Also, removes support for the cassette.play\_count counter API, since individual requests aren't unique anymore.
@@ -246,7 +299,7 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
 -  0.3.0
     - *Backwards incompatible release*
     - Added support for record modes, and changed the default recording behavior to the "once" record mode. Please see the documentation on record modes for more.
-    - Added support for custom request matching, and changed the default request matching behavior to match only on the URL and method. 
+    - Added support for custom request matching, and changed the default request matching behavior to match only on the URL and method.
     - Also, improved the httplib mocking to add support for the ``HTTPConnection.send()`` method.
         - This means that requests won't actually be sent until the response is read, since I need to record the entire request in order to match up the appropriate response.
         - I don't think this should cause any issues unless you are sending requests without ever loading the response (which none of the standard httplib wrappers do, as far as I know).
@@ -254,13 +307,13 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
 -  0.2.1
     - Fixed missing modules in setup.py
 -  0.2.0
-    - Added configuration API, which lets you configure some settings on VCR (see the README). 
+    - Added configuration API, which lets you configure some settings on VCR (see the README).
     - Also, VCR no longer saves cassettes if they haven't changed at all and supports JSON as well as YAML (thanks @sirpengi).
     - Added amazing new skeumorphic logo, thanks @hairarrow.
 -  0.1.0
     - *backwards incompatible release - delete your old cassette files*
     - This release adds the ability to access the cassette to make assertions on it
-    - as well as a major code refactor thanks to @dlecocq. 
+    - as well as a major code refactor thanks to @dlecocq.
     - It also fixes a couple longstanding bugs with redirects and HTTPS. [#3 and #4]
 -  0.0.4
     - If you have libyaml installed, vcrpy will use the c bindings instead. Speed up your tests! Thanks @dlecocq
@@ -270,4 +323,3 @@ All help in providing PRs to close out bug issues is appreciated. Even if that i
     - Add support for requests / urllib3
 -  0.0.1
     - Initial Release
-

docs/conf.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #
 # vcrpy documentation build configuration file, created by
 # sphinx-quickstart on Sun Sep 13 11:18:00 2015.
@@ -317,5 +316,5 @@ texinfo_documents = [
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {"https://docs.python.org/": None}
+intersphinx_mapping = {"python": ("https://docs.python.org/3", None)}
 html_theme = "alabaster"

docs/contributing.rst

@@ -24,7 +24,7 @@ So whilst reporting issues are valuable, please consider:
  - contributing an issue with a toy repo that replicates the issue.
  - contributing PRs is a more valuable donation of your time and effort.
 
-Thanks again for your interest and support in VCRpy. 
+Thanks again for your interest and support in VCRpy.
 
 We really appreciate it.
 
@@ -57,7 +57,7 @@ Simply adding these three labels for incoming issues means a lot for maintaining
  - Which library does it affect? ``core``, ``aiohttp``, ``requests``, ``urllib3``, ``tornado4``, ``httplib2``
  - If it is a bug, is it ``Verified Can Replicate`` or ``Requires Help Replicating``
  - Thanking people for raising issues. Feedback is always appreciated.
- - Politely asking if they are able to link to an example repo that replicates the issue if they haven't already. Being able to *clone and go* helps the next person and we like that. 😃 
+ - Politely asking if they are able to link to an example repo that replicates the issue if they haven't already. Being able to *clone and go* helps the next person and we like that. 😃
 
 **Maintainer:**
 
@@ -68,7 +68,7 @@ This involves creating PRs to address bugs and enhancement requests. It also mea
 The PR reviewer is a second set of eyes to see if:
  - Are there tests covering the code paths added/modified?
  - Do the tests and modifications make sense seem appropriate?
- - Add specific feedback, even on approvals, why it is accepted. eg "I like how you use a context manager there. 😄 " 
+ - Add specific feedback, even on approvals, why it is accepted. eg "I like how you use a context manager there. 😄 "
  - Also make sure they add a line to `docs/changelog.rst` to claim credit for their contribution.
 
 **Release Manager:**
@@ -83,39 +83,21 @@ The PR reviewer is a second set of eyes to see if:
 Running VCR's test suite
 ------------------------
 
-The tests are all run automatically on `Travis
-CI <https://travis-ci.org/kevin1024/vcrpy>`__, but you can also run them
-yourself using `pytest <http://pytest.org/>`__ and
-`Tox <http://tox.testrun.org/>`__. 
+The tests are all run automatically on `Github Actions CI <https://github.com/kevin1024/vcrpy/actions>`__,
+but you can also run them yourself using `pytest <http://pytest.org/>`__.
 
-Tox will automatically run them in all environments VCR.py supports if they are available on your `PATH`. Alternatively you can use `tox-pyenv <https://pypi.org/project/tox-pyenv/>`_ with 
-`pyenv <https://github.com/pyenv/pyenv>`_. 
-We recommend you read the documentation for each and see the section further below.
-
-The test suite is pretty big and slow, but you can tell tox to only run specific tests like this::
-
-    tox -e {pyNN}-{HTTP_LIBRARY} -- <pytest flags passed through>
-
-    tox -e py37-requests -- -v -k "'test_status_code or test_gzip'"
-    tox -e py37-requests -- -v --last-failed
-
-This will run only tests that look like ``test_status_code`` or
-``test_gzip`` in the test suite, and only in the python 3.7 environment
-that has ``requests`` installed.
-
-Also, in order for the boto tests to run, you will need an AWS key.
-Refer to the `boto
-documentation <https://boto.readthedocs.io/en/latest/getting_started.html>`__
-for how to set this up. I have marked the boto tests as optional in
+In order for the boto3 tests to run, you will need an AWS key.
+Refer to the `boto3
+documentation <https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/index.html>`__
+for how to set this up. I have marked the boto3 tests as optional in
 Travis so you don't have to worry about them failing if you submit a
 pull request.
 
-Using PyEnv with VCR's test suite
+Using Pyenv with VCR's test suite
 ---------------------------------
 
-PyEnv is a tool for managing multiple installation of python on your system.
-See the full documentation at their `github <https://github.com/pyenv/pyenv>`_ 
-but we are also going to use `tox-pyenv <https://pypi.org/project/tox-pyenv/>`_ 
+Pyenv is a tool for managing multiple installation of python on your system.
+See the full documentation at their `github <https://github.com/pyenv/pyenv>`_
 in this example::
 
     git clone https://github.com/pyenv/pyenv ~/.pyenv
@@ -126,27 +108,21 @@ in this example::
     # Setup shim paths
     eval "$(pyenv init -)"
 
-    # Setup your local system tox tooling
-    pip3 install tox tox-pyenv
-
     # Install supported versions (at time of writing), this does not activate them
-    pyenv install 3.7.5 3.8.0 pypy3.8
+    pyenv install 3.12.0 pypy3.10
 
     # This activates them
-    pyenv local 3.7.5 3.8.0 pypy3.8
+    pyenv local 3.12.0 pypy3.10
 
     # Run the whole test suite
-    tox
-
-    # Run the whole test suite or just part of it
-    tox -e lint
-    tox -e py37-requests
+    pip install .[tests]
+    ./runtests.sh
 
 
 Troubleshooting on MacOSX
 -------------------------
 
-If you have this kind of error when running tox :
+If you have this kind of error when running tests :
 
 .. code:: python
 

docs/installation.rst

@@ -9,20 +9,20 @@ with pip::
 Compatibility
 -------------
 
-VCR.py supports Python 3.7+, and `pypy <http://pypy.org>`__.
+VCR.py supports Python 3.9+, and `pypy <http://pypy.org>`__.
 
 The following HTTP libraries are supported:
 
 -  ``aiohttp``
--  ``boto``
 -  ``boto3``
 -  ``http.client``
 -  ``httplib2``
--  ``requests`` (both 1.x and 2.x versions)
+-  ``requests`` (>=2.16.2 versions)
 -  ``tornado.httpclient``
 -  ``urllib2``
 -  ``urllib3``
 -  ``httpx``
+-  ``httpcore``
 
 Speed
 -----

docs/requirements.txt

@@ -0,0 +1,2 @@
+sphinx<9
+sphinx_rtd_theme==3.0.2

pyproject.toml

@@ -1,20 +1,32 @@
-[tool.black]
-line-length=110
-
-[tool.isort]
-line_length = 110
-known_first_party = "vcrpy"
-multi_line_output = 3
-use_parentheses = true
-include_trailing_comma = true
-
 [tool.codespell]
 skip = '.git,*.pdf,*.svg,.tox'
 ignore-regex = "\\\\[fnrstv]"
-#
-# ignore-words-list = ''
 
-[tool.pytest.ini_options]
-markers = [
-    "online",
+[tool.pytest]
+addopts = ["--strict-config", "--strict-markers"]
+asyncio_default_fixture_loop_scope = "session"
+asyncio_default_test_loop_scope = "session"
+markers = ["online"]
+
+[tool.ruff]
+line-length = 110
+target-version = "py310"
+
+[tool.ruff.lint]
+select = [
+    "B",   # flake8-bugbear
+    "C4",  # flake8-comprehensions
+    "COM", # flake8-commas
+    "E",   # pycodestyle error
+    "F",   # pyflakes
+    "I",   # isort
+    "ISC", # flake8-implicit-str-concat
+    "PIE", # flake8-pie
+    "RUF", # Ruff-specific rules
+    "UP",  # pyupgrade
+    "W",   # pycodestyle warning
+    "SIM",
 ]
+
+[tool.ruff.lint.isort]
+known-first-party = ["vcr"]

runtests.sh

@@ -1,7 +1,5 @@
 #!/bin/bash
 
-# https://blog.ionelmc.ro/2015/04/14/tox-tricks-and-patterns/#when-it-inevitably-leads-to-shell-scripts
-# If you are getting an INVOCATION ERROR for this script then there is 
-# a good chance you are running on Windows.
-# You can and should use WSL for running tox on Windows when it calls bash scripts.
+# If you are getting an INVOCATION ERROR for this script then there is a good chance you are running on Windows.
+# You can and should use WSL for running tests on Windows when it calls bash scripts.
 REQUESTS_CA_BUNDLE=`python3 -m pytest_httpbin.certs` exec pytest "$@"

setup.py

@@ -3,12 +3,11 @@
 import codecs
 import os
 import re
-import sys
+from pathlib import Path
 
 from setuptools import find_packages, setup
-from setuptools.command.test import test as TestCommand
 
-long_description = open("README.rst", "r").read()
+long_description = Path("README.rst").read_text()
 here = os.path.abspath(os.path.dirname(__file__))
 
 
@@ -28,52 +27,32 @@ def find_version(*file_paths):
     raise RuntimeError("Unable to find version string.")
 
 
-class PyTest(TestCommand):
-    def finalize_options(self):
-        TestCommand.finalize_options(self)
-        self.test_args = []
-        self.test_suite = True
-
-    def run_tests(self):
-        # import here, cause outside the eggs aren't loaded
-        import pytest
-
-        errno = pytest.main(self.test_args)
-        sys.exit(errno)
-
-
 install_requires = [
     "PyYAML",
     "wrapt",
-    "six>=1.5",
-    "yarl",
-    # Support for urllib3 >=2 needs Python >=3.10
-    # so we need to block urllib3 >=2 for Python <3.10 for now.
-    # Note that vcrpy would work fine without any urllib3 around,
-    # so this block and the dependency can be dropped at some point
-    # in the future. For more Details:
-    # https://github.com/kevin1024/vcrpy/pull/699#issuecomment-1551439663
-    "urllib3 <2; python_version <'3.10'",
 ]
 
-tests_require = [
-    "aiohttp",
-    "boto3",
-    "httplib2",
-    "httpx",
-    "pytest",
-    "pytest-aiohttp",
-    "pytest-httpbin",
-    "requests",
-    "tornado",
-    # Needed to un-break httpbin 0.7.0. For httpbin >=0.7.1 and after,
-    # this pin and the dependency itself can be removed, provided
-    # that the related bug in httpbin has been fixed:
-    # https://github.com/kevin1024/vcrpy/issues/645#issuecomment-1562489489
-    # https://github.com/postmanlabs/httpbin/issues/673
-    # https://github.com/postmanlabs/httpbin/pull/674
-    "Werkzeug==2.0.3",
-]
+extras_require = {
+    "tests": [
+        "aiohttp",
+        "boto3",
+        "cryptography",
+        "httpbin",
+        "httpcore",
+        "httplib2",
+        "httpx",
+        "pycurl; platform_python_implementation !='PyPy'",
+        "pytest",
+        "pytest-aiohttp",
+        "pytest-asyncio",
+        "pytest-cov",
+        "pytest-httpbin",
+        "requests>=2.22.0",
+        "tornado",
+        "urllib3",
+        "werkzeug==2.0.3",
+    ],
+}
 
 setup(
     name="vcrpy",
@@ -85,21 +64,21 @@ setup(
     author_email="me@kevinmccarthy.org",
     url="https://github.com/kevin1024/vcrpy",
     packages=find_packages(exclude=["tests*"]),
-    python_requires=">=3.7",
+    python_requires=">=3.10",
     install_requires=install_requires,
     license="MIT",
-    tests_require=tests_require,
+    extras_require=extras_require,
+    tests_require=extras_require["tests"],
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Environment :: Console",
         "Intended Audience :: Developers",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: 3 :: Only",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",

tests/assertions.py

@@ -11,9 +11,12 @@ def assert_cassette_has_one_response(cass):
     assert cass.play_count == 1
 
 
-def assert_is_json(a_string):
+def assert_is_json_bytes(b: bytes):
+    assert isinstance(b, bytes)
+
     try:
-        json.loads(a_string.decode("utf-8"))
-    except Exception:
-        assert False
+        json.loads(b)
+    except Exception as error:
+        raise AssertionError() from error
+
     assert True

tests/fixtures/migration/new_cassette.json

@@ -15,9 +15,9 @@
             },
             "response": {
                 "status": {
-                    "message": "OK", 
+                    "message": "OK",
                     "code": 200
-                }, 
+                },
                 "headers": {
                     "access-control-allow-origin": ["*"],
                     "content-type": ["application/json"],
@@ -25,7 +25,7 @@
                     "server": ["gunicorn/0.17.4"],
                     "content-length": ["32"],
                     "connection": ["keep-alive"]
-                }, 
+                },
                 "body": {
                     "string": "{\n  \"origin\": \"217.122.164.194\"\n}"
                 }

tests/fixtures/migration/new_cassette.yaml

@@ -2,7 +2,7 @@ version: 1
 interactions:
 - request:
     body: null
-    headers: 
+    headers:
       accept: ['*/*']
       accept-encoding: ['gzip, deflate, compress']
       user-agent: ['python-requests/2.2.1 CPython/2.6.1 Darwin/10.8.0']

tests/fixtures/migration/old_cassette.json

@@ -1,31 +1,31 @@
 [
     {
         "request": {
-            "body": null, 
-            "protocol": "http", 
-            "method": "GET", 
+            "body": null,
+            "protocol": "http",
+            "method": "GET",
             "headers": {
-                "accept-encoding": "gzip, deflate, compress", 
-                "accept": "*/*", 
+                "accept-encoding": "gzip, deflate, compress",
+                "accept": "*/*",
                 "user-agent": "python-requests/2.2.1 CPython/2.6.1 Darwin/10.8.0"
-            }, 
-            "host": "httpbin.org", 
-            "path": "/ip", 
+            },
+            "host": "httpbin.org",
+            "path": "/ip",
             "port": 80
-        }, 
+        },
         "response": {
             "status": {
-                "message": "OK", 
+                "message": "OK",
                 "code": 200
-            }, 
+            },
             "headers": [
-                "access-control-allow-origin: *\r\n", 
-                "content-type: application/json\r\n", 
-                "date: Mon, 21 Apr 2014 23:13:40 GMT\r\n", 
-                "server: gunicorn/0.17.4\r\n", 
-                "content-length: 32\r\n", 
+                "access-control-allow-origin: *\r\n",
+                "content-type: application/json\r\n",
+                "date: Mon, 21 Apr 2014 23:13:40 GMT\r\n",
+                "server: gunicorn/0.17.4\r\n",
+                "content-length: 32\r\n",
                 "connection: keep-alive\r\n"
-            ], 
+            ],
             "body": {
                 "string": "{\n  \"origin\": \"217.122.164.194\"\n}"
             }

tests/fixtures/wild/domain_redirect.yaml

@@ -10,7 +10,7 @@ interactions:
     uri: http://seomoz.org/
   response:
     body: {string: ''}
-    headers: 
+    headers:
       Location: ['http://moz.com/']
       Server: ['BigIP']
       Connection: ['Keep-Alive']

tests/integration/aiohttp_utils.py

@@ -5,24 +5,24 @@ import aiohttp
 
 
 async def aiohttp_request(loop, method, url, output="text", encoding="utf-8", content_type=None, **kwargs):
-    session = aiohttp.ClientSession(loop=loop)
-    response_ctx = session.request(method, url, **kwargs)
+    async with aiohttp.ClientSession(loop=loop) as session:
+        response_ctx = session.request(method, url, **kwargs)
 
-    response = await response_ctx.__aenter__()
-    if output == "text":
-        content = await response.text()
-    elif output == "json":
-        content_type = content_type or "application/json"
-        content = await response.json(encoding=encoding, content_type=content_type)
-    elif output == "raw":
-        content = await response.read()
-    elif output == "stream":
-        content = await response.content.read()
+        response = await response_ctx.__aenter__()
+        if output == "text":
+            content = await response.text()
+        elif output == "json":
+            content_type = content_type or "application/json"
+            content = await response.json(encoding=encoding, content_type=content_type)
+        elif output == "raw":
+            content = await response.read()
+        elif output == "stream":
+            content = await response.content.read()
 
-    response_ctx._resp.close()
-    await session.close()
+        response_ctx._resp.close()
+        await session.close()
 
-    return response, content
+        return response, content
 
 
 def aiohttp_app():

tests/integration/cassettes/gzip_httpx_old_format.yaml

@@ -0,0 +1,41 @@
+interactions:
+- request:
+    body: ''
+    headers:
+      accept:
+      - '*/*'
+      accept-encoding:
+      - gzip, deflate, br
+      connection:
+      - keep-alive
+      host:
+      - httpbin.org
+      user-agent:
+      - python-httpx/0.23.0
+    method: GET
+    uri: https://httpbin.org/gzip
+  response:
+    content: "{\n  \"gzipped\": true, \n  \"headers\": {\n    \"Accept\": \"*/*\",
+      \n    \"Accept-Encoding\": \"gzip, deflate, br\", \n    \"Host\": \"httpbin.org\",
+      \n    \"User-Agent\": \"python-httpx/0.23.0\", \n    \"X-Amzn-Trace-Id\": \"Root=1-62a62a8d-5f39b5c50c744da821d6ea99\"\n
+      \ }, \n  \"method\": \"GET\", \n  \"origin\": \"146.200.25.115\"\n}\n"
+    headers:
+      Access-Control-Allow-Credentials:
+      - 'true'
+      Access-Control-Allow-Origin:
+      - '*'
+      Connection:
+      - keep-alive
+      Content-Encoding:
+      - gzip
+      Content-Length:
+      - '230'
+      Content-Type:
+      - application/json
+      Date:
+      - Sun, 12 Jun 2022 18:03:57 GMT
+      Server:
+      - gunicorn/19.9.0
+    http_version: HTTP/1.1
+    status_code: 200
+version: 1

tests/integration/cassettes/gzip_requests.yaml

@@ -0,0 +1,42 @@
+interactions:
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate, br
+      Connection:
+      - keep-alive
+      User-Agent:
+      - python-requests/2.28.0
+    method: GET
+    uri: https://httpbin.org/gzip
+  response:
+    body:
+      string: !!binary |
+        H4sIAKwrpmIA/z2OSwrCMBCG956izLIkfQSxkl2RogfQA9R2bIM1iUkqaOndnYDIrGa+/zELDB9l
+        LfYgg5uRwYhtj86DXKDuOrQBJKR5Cuy38kZ3pld6oHu0sqTH29QGZMnVkepgtMYuKKNJcEe0vJ3U
+        C4mcjI9hpaiygqaUW7ETFYGLR8frAXXE9h1Go7nD54w++FxkYp8VsDJ4IBH6E47NmVzGqUHFkn8g
+        rJsvp2omYs8AAAA=
+    headers:
+      Access-Control-Allow-Credentials:
+      - 'true'
+      Access-Control-Allow-Origin:
+      - '*'
+      Connection:
+      - Close
+      Content-Encoding:
+      - gzip
+      Content-Length:
+      - '182'
+      Content-Type:
+      - application/json
+      Date:
+      - Sun, 12 Jun 2022 18:08:44 GMT
+      Server:
+      - Pytest-HTTPBIN/0.1.0
+    status:
+      code: 200
+      message: great
+version: 1

tests/integration/conftest.py

@@ -1,32 +0,0 @@
-import os
-import ssl
-
-import pytest
-
-
-@pytest.fixture(params=["https", "http"])
-def scheme(request):
-    """Fixture that returns both http and https."""
-    return request.param
-
-
-@pytest.fixture
-def mockbin(scheme):
-    return scheme + "://mockbin.org"
-
-
-@pytest.fixture
-def mockbin_request_url(mockbin):
-    return mockbin + "/request"
-
-
-@pytest.fixture
-def httpbin_ssl_context():
-    ssl_ca_location = os.environ["REQUESTS_CA_BUNDLE"]
-    ssl_cert_location = os.environ["REQUESTS_CA_BUNDLE"].replace("cacert.pem", "cert.pem")
-    ssl_key_location = os.environ["REQUESTS_CA_BUNDLE"].replace("cacert.pem", "key.pem")
-
-    ssl_context = ssl.create_default_context(cafile=ssl_ca_location)
-    ssl_context.load_cert_chain(ssl_cert_location, ssl_key_location)
-
-    return ssl_context

tests/integration/test_aiohttp.py

@@ -1,22 +1,27 @@
-import contextlib
 import logging
+import ssl
 import urllib.parse
 
 import pytest
+import pytest_httpbin.certs
+import yarl
+
+import vcr
 
 asyncio = pytest.importorskip("asyncio")
 aiohttp = pytest.importorskip("aiohttp")
 
-import vcr  # noqa: E402
 
 from .aiohttp_utils import aiohttp_app, aiohttp_request  # noqa: E402
 
+HTTPBIN_SSL_CONTEXT = ssl.create_default_context(cafile=pytest_httpbin.certs.where())
+
 
 def run_in_loop(fn):
-    with contextlib.closing(asyncio.new_event_loop()) as loop:
-        asyncio.set_event_loop(loop)
-        task = loop.create_task(fn(loop))
-        return loop.run_until_complete(task)
+    async def wrapper():
+        return await fn(asyncio.get_running_loop())
+
+    return asyncio.run(wrapper())
 
 
 def request(method, url, output="text", **kwargs):
@@ -35,8 +40,8 @@ def post(url, output="text", **kwargs):
 
 
 @pytest.mark.online
-def test_status(tmpdir, mockbin_request_url):
-    url = mockbin_request_url
+def test_status(tmpdir, httpbin):
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("status.yaml"))):
         response, _ = get(url)
@@ -49,8 +54,8 @@ def test_status(tmpdir, mockbin_request_url):
 
 @pytest.mark.online
 @pytest.mark.parametrize("auth", [None, aiohttp.BasicAuth("vcrpy", "test")])
-def test_headers(tmpdir, auth, mockbin_request_url):
-    url = mockbin_request_url
+def test_headers(tmpdir, auth, httpbin):
+    url = httpbin.url
     with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
         response, _ = get(url, auth=auth)
 
@@ -59,15 +64,15 @@ def test_headers(tmpdir, auth, mockbin_request_url):
             request = cassette.requests[0]
             assert "AUTHORIZATION" in request.headers
         cassette_response, _ = get(url, auth=auth)
-        assert dict(cassette_response.headers) == dict(response.headers)
+        assert cassette_response.headers.items() == response.headers.items()
         assert cassette.play_count == 1
         assert "istr" not in cassette.data[0]
         assert "yarl.URL" not in cassette.data[0]
 
 
 @pytest.mark.online
-def test_case_insensitive_headers(tmpdir, mockbin_request_url):
-    url = mockbin_request_url
+def test_case_insensitive_headers(tmpdir, httpbin):
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("whatever.yaml"))):
         _, _ = get(url)
@@ -80,8 +85,8 @@ def test_case_insensitive_headers(tmpdir, mockbin_request_url):
 
 
 @pytest.mark.online
-def test_text(tmpdir, mockbin_request_url):
-    url = mockbin_request_url
+def test_text(tmpdir, httpbin):
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("text.yaml"))):
         _, response_text = get(url)
@@ -93,8 +98,8 @@ def test_text(tmpdir, mockbin_request_url):
 
 
 @pytest.mark.online
-def test_json(tmpdir, mockbin_request_url):
-    url = mockbin_request_url
+def test_json(tmpdir, httpbin):
+    url = httpbin.url + "/json"
     headers = {"Content-Type": "application/json"}
 
     with vcr.use_cassette(str(tmpdir.join("json.yaml"))):
@@ -107,8 +112,8 @@ def test_json(tmpdir, mockbin_request_url):
 
 
 @pytest.mark.online
-def test_binary(tmpdir, mockbin_request_url):
-    url = mockbin_request_url + "/image/png"
+def test_binary(tmpdir, httpbin):
+    url = httpbin.url + "/image/png"
     with vcr.use_cassette(str(tmpdir.join("binary.yaml"))):
         _, response_binary = get(url, output="raw")
 
@@ -119,8 +124,8 @@ def test_binary(tmpdir, mockbin_request_url):
 
 
 @pytest.mark.online
-def test_stream(tmpdir, mockbin_request_url):
-    url = mockbin_request_url
+def test_stream(tmpdir, httpbin):
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("stream.yaml"))):
         _, body = get(url, output="raw")  # Do not use stream here, as the stream is exhausted by vcr
@@ -133,10 +138,10 @@ def test_stream(tmpdir, mockbin_request_url):
 
 @pytest.mark.online
 @pytest.mark.parametrize("body", ["data", "json"])
-def test_post(tmpdir, body, caplog, mockbin_request_url):
+def test_post(tmpdir, body, caplog, httpbin):
     caplog.set_level(logging.INFO)
     data = {"key1": "value1", "key2": "value2"}
-    url = mockbin_request_url
+    url = httpbin.url
     with vcr.use_cassette(str(tmpdir.join("post.yaml"))):
         _, response_json = post(url, **{body: data})
 
@@ -151,21 +156,21 @@ def test_post(tmpdir, body, caplog, mockbin_request_url):
         (
             log
             for log in caplog.records
-            if log.getMessage() == "<Request (POST) {}> not in cassette, sending to real server".format(url)
+            if log.getMessage() == f"<Request (POST) {url}> not in cassette, sending to real server"
         ),
         None,
     ), "Log message not found."
 
 
 @pytest.mark.online
-def test_params(tmpdir, mockbin_request_url):
-    url = mockbin_request_url + "?d=d"
+def test_params(tmpdir, httpbin):
+    url = httpbin.url + "/get?d=d"
     headers = {"Content-Type": "application/json"}
     params = {"a": 1, "b": 2, "c": "c"}
 
     with vcr.use_cassette(str(tmpdir.join("get.yaml"))) as cassette:
         _, response_json = get(url, output="json", params=params, headers=headers)
-        assert response_json["queryString"] == {"a": "1", "b": "2", "c": "c", "d": "d"}
+        assert response_json["args"] == {"a": "1", "b": "2", "c": "c", "d": "d"}
 
     with vcr.use_cassette(str(tmpdir.join("get.yaml"))) as cassette:
         _, cassette_response_json = get(url, output="json", params=params, headers=headers)
@@ -174,8 +179,8 @@ def test_params(tmpdir, mockbin_request_url):
 
 
 @pytest.mark.online
-def test_params_same_url_distinct_params(tmpdir, mockbin_request_url):
-    url = mockbin_request_url
+def test_params_same_url_distinct_params(tmpdir, httpbin):
+    url = httpbin.url + "/json"
     headers = {"Content-Type": "application/json"}
     params = {"a": 1, "b": 2, "c": "c"}
 
@@ -188,14 +193,16 @@ def test_params_same_url_distinct_params(tmpdir, mockbin_request_url):
         assert cassette.play_count == 1
 
     other_params = {"other": "params"}
-    with vcr.use_cassette(str(tmpdir.join("get.yaml"))) as cassette:
-        with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
-            get(url, output="text", params=other_params)
+    with (
+        vcr.use_cassette(str(tmpdir.join("get.yaml"))) as cassette,
+        pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException),
+    ):
+        get(url, output="text", params=other_params)
 
 
 @pytest.mark.online
-def test_params_on_url(tmpdir, mockbin_request_url):
-    url = mockbin_request_url + "?a=1&b=foo"
+def test_params_on_url(tmpdir, httpbin):
+    url = httpbin.url + "/get?a=1&b=foo"
     headers = {"Content-Type": "application/json"}
 
     with vcr.use_cassette(str(tmpdir.join("get.yaml"))) as cassette:
@@ -260,8 +267,8 @@ def test_aiohttp_test_client_json(aiohttp_client, tmpdir):
 
 
 @pytest.mark.online
-def test_redirect(tmpdir, mockbin):
-    url = mockbin + "/redirect/302/2"
+def test_redirect(tmpdir, httpbin):
+    url = httpbin.url + "/redirect/2"
 
     with vcr.use_cassette(str(tmpdir.join("redirect.yaml"))):
         response, _ = get(url)
@@ -278,16 +285,14 @@ def test_redirect(tmpdir, mockbin):
     # looking request_info.
     assert cassette_response.request_info.url == response.request_info.url
     assert cassette_response.request_info.method == response.request_info.method
-    assert {k: v for k, v in cassette_response.request_info.headers.items()} == {
-        k: v for k, v in response.request_info.headers.items()
-    }
+    assert cassette_response.request_info.headers.items() == response.request_info.headers.items()
     assert cassette_response.request_info.real_url == response.request_info.real_url
 
 
 @pytest.mark.online
-def test_not_modified(tmpdir, mockbin):
+def test_not_modified(tmpdir, httpbin):
     """It doesn't try to redirect on 304"""
-    url = mockbin + "/status/304"
+    url = httpbin.url + "/status/304"
 
     with vcr.use_cassette(str(tmpdir.join("not_modified.yaml"))):
         response, _ = get(url)
@@ -303,13 +308,13 @@ def test_not_modified(tmpdir, mockbin):
 
 
 @pytest.mark.online
-def test_double_requests(tmpdir, mockbin_request_url):
+def test_double_requests(tmpdir, httpbin):
     """We should capture, record, and replay all requests and response chains,
     even if there are duplicate ones.
 
     We should replay in the order we saw them.
     """
-    url = mockbin_request_url
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("text.yaml"))):
         _, response_text1 = get(url, output="text")
@@ -334,7 +339,7 @@ def test_double_requests(tmpdir, mockbin_request_url):
         assert cassette.play_count == 2
 
 
-def test_cookies(httpbin_both, httpbin_ssl_context, tmpdir):
+def test_cookies(httpbin_both, tmpdir):
     async def run(loop):
         cookies_url = httpbin_both.url + (
             "/response-headers?"
@@ -349,9 +354,12 @@ def test_cookies(httpbin_both, httpbin_ssl_context, tmpdir):
         # ------------------------- Record -------------------------- #
         with vcr.use_cassette(tmp) as cassette:
             async with aiohttp.ClientSession(loop=loop, cookie_jar=aiohttp.CookieJar(unsafe=True)) as session:
-                cookies_resp = await session.get(cookies_url, ssl=httpbin_ssl_context)
+                cookies_resp = await session.get(cookies_url, ssl=HTTPBIN_SSL_CONTEXT)
                 home_resp = await session.get(
-                    home_url, cookies=req_cookies, headers=req_headers, ssl=httpbin_ssl_context
+                    home_url,
+                    cookies=req_cookies,
+                    headers=req_headers,
+                    ssl=HTTPBIN_SSL_CONTEXT,
                 )
                 assert cassette.play_count == 0
         assert_responses(cookies_resp, home_resp)
@@ -359,9 +367,12 @@ def test_cookies(httpbin_both, httpbin_ssl_context, tmpdir):
         # -------------------------- Play --------------------------- #
         with vcr.use_cassette(tmp, record_mode=vcr.mode.NONE) as cassette:
             async with aiohttp.ClientSession(loop=loop, cookie_jar=aiohttp.CookieJar(unsafe=True)) as session:
-                cookies_resp = await session.get(cookies_url, ssl=httpbin_ssl_context)
+                cookies_resp = await session.get(cookies_url, ssl=HTTPBIN_SSL_CONTEXT)
                 home_resp = await session.get(
-                    home_url, cookies=req_cookies, headers=req_headers, ssl=httpbin_ssl_context
+                    home_url,
+                    cookies=req_cookies,
+                    headers=req_headers,
+                    ssl=HTTPBIN_SSL_CONTEXT,
                 )
                 assert cassette.play_count == 2
         assert_responses(cookies_resp, home_resp)
@@ -378,7 +389,7 @@ def test_cookies(httpbin_both, httpbin_ssl_context, tmpdir):
     run_in_loop(run)
 
 
-def test_cookies_redirect(httpbin_both, httpbin_ssl_context, tmpdir):
+def test_cookies_redirect(httpbin_both, tmpdir):
     async def run(loop):
         # Sets cookie as provided by the query string and redirects
         cookies_url = httpbin_both.url + "/cookies/set?Cookie_1=Val_1"
@@ -387,49 +398,67 @@ def test_cookies_redirect(httpbin_both, httpbin_ssl_context, tmpdir):
         # ------------------------- Record -------------------------- #
         with vcr.use_cassette(tmp) as cassette:
             async with aiohttp.ClientSession(loop=loop, cookie_jar=aiohttp.CookieJar(unsafe=True)) as session:
-                cookies_resp = await session.get(cookies_url, ssl=httpbin_ssl_context)
+                cookies_resp = await session.get(cookies_url, ssl=HTTPBIN_SSL_CONTEXT)
                 assert not cookies_resp.cookies
-                cookies = session.cookie_jar.filter_cookies(cookies_url)
+                cookies = session.cookie_jar.filter_cookies(yarl.URL(cookies_url))
                 assert cookies["Cookie_1"].value == "Val_1"
                 assert cassette.play_count == 0
-            cassette.requests[1].headers["Cookie"] == "Cookie_1=Val_1"
+
+            assert cassette.requests[1].headers["Cookie"] == "Cookie_1=Val_1"
 
         # -------------------------- Play --------------------------- #
         with vcr.use_cassette(tmp, record_mode=vcr.mode.NONE) as cassette:
             async with aiohttp.ClientSession(loop=loop, cookie_jar=aiohttp.CookieJar(unsafe=True)) as session:
-                cookies_resp = await session.get(cookies_url, ssl=httpbin_ssl_context)
+                cookies_resp = await session.get(cookies_url, ssl=HTTPBIN_SSL_CONTEXT)
                 assert not cookies_resp.cookies
-                cookies = session.cookie_jar.filter_cookies(cookies_url)
+                cookies = session.cookie_jar.filter_cookies(yarl.URL(cookies_url))
                 assert cookies["Cookie_1"].value == "Val_1"
                 assert cassette.play_count == 2
-            cassette.requests[1].headers["Cookie"] == "Cookie_1=Val_1"
+
+            assert cassette.requests[1].headers["Cookie"] == "Cookie_1=Val_1"
 
         # Assert that it's ignoring expiration date
         with vcr.use_cassette(tmp, record_mode=vcr.mode.NONE) as cassette:
             cassette.responses[0]["headers"]["set-cookie"] = [
-                "Cookie_1=Val_1; Expires=Wed, 21 Oct 2015 07:28:00 GMT"
+                "Cookie_1=Val_1; Expires=Wed, 21 Oct 2015 07:28:00 GMT",
             ]
             async with aiohttp.ClientSession(loop=loop, cookie_jar=aiohttp.CookieJar(unsafe=True)) as session:
-                cookies_resp = await session.get(cookies_url, ssl=httpbin_ssl_context)
+                cookies_resp = await session.get(cookies_url, ssl=HTTPBIN_SSL_CONTEXT)
                 assert not cookies_resp.cookies
-                cookies = session.cookie_jar.filter_cookies(cookies_url)
+                cookies = session.cookie_jar.filter_cookies(yarl.URL(cookies_url))
                 assert cookies["Cookie_1"].value == "Val_1"
 
     run_in_loop(run)
 
 
 @pytest.mark.online
-def test_not_allow_redirects(tmpdir, mockbin):
-    url = mockbin + "/redirect/308/5"
+def test_not_allow_redirects(tmpdir, httpbin):
+    url = httpbin + "/redirect-to?url=.%2F&status_code=308"
     path = str(tmpdir.join("redirects.yaml"))
 
     with vcr.use_cassette(path):
         response, _ = get(url, allow_redirects=False)
-        assert response.url.path == "/redirect/308/5"
+        assert response.url.path == "/redirect-to"
         assert response.status == 308
 
     with vcr.use_cassette(path) as cassette:
         response, _ = get(url, allow_redirects=False)
-        assert response.url.path == "/redirect/308/5"
+        assert response.url.path == "/redirect-to"
         assert response.status == 308
         assert cassette.play_count == 1
+
+
+def test_filter_query_parameters(tmpdir, httpbin):
+    url = httpbin + "?password=secret"
+    path = str(tmpdir.join("query_param_filter.yaml"))
+
+    with vcr.use_cassette(path, filter_query_parameters=["password"]) as cassette:
+        get(url)
+
+    assert "password" not in cassette.requests[0].url
+    assert "secret" not in cassette.requests[0].url
+
+    with open(path) as f:
+        cassette_content = f.read()
+        assert "password" not in cassette_content
+        assert "secret" not in cassette_content

tests/integration/test_basic.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Basic tests for cassettes"""
 
 # External imports
@@ -40,7 +39,7 @@ def test_basic_json_use(tmpdir, httpbin):
     test_fixture = str(tmpdir.join("synopsis.json"))
     with vcr.use_cassette(test_fixture, serializer="json"):
         response = urlopen(httpbin.url).read()
-        assert b"difficult sometimes" in response
+        assert b"HTTP Request & Response Service" in response
 
 
 def test_patched_content(tmpdir, httpbin):

tests/integration/test_boto.py

@@ -1,82 +0,0 @@
-import pytest
-
-boto = pytest.importorskip("boto")
-
-from configparser import DuplicateSectionError  # NOQA
-
-import boto  # NOQA
-import boto.iam  # NOQA
-from boto.s3.connection import S3Connection  # NOQA
-from boto.s3.key import Key  # NOQA
-
-import vcr  # NOQA
-
-
-def test_boto_stubs(tmpdir):
-    with vcr.use_cassette(str(tmpdir.join("boto-stubs.yml"))):
-        # Perform the imports within the patched context so that
-        # CertValidatingHTTPSConnection refers to the patched version.
-        from boto.https_connection import CertValidatingHTTPSConnection
-
-        from vcr.stubs.boto_stubs import VCRCertValidatingHTTPSConnection
-
-        # Prove that the class was patched by the stub and that we can instantiate it.
-        assert issubclass(CertValidatingHTTPSConnection, VCRCertValidatingHTTPSConnection)
-        CertValidatingHTTPSConnection("hostname.does.not.matter")
-
-
-def test_boto_without_vcr():
-    s3_conn = S3Connection()
-    s3_bucket = s3_conn.get_bucket("boto-demo-1394171994")  # a bucket you can access
-    k = Key(s3_bucket)
-    k.key = "test.txt"
-    k.set_contents_from_string("hello world i am a string")
-
-
-def test_boto_medium_difficulty(tmpdir):
-    s3_conn = S3Connection()
-    s3_bucket = s3_conn.get_bucket("boto-demo-1394171994")  # a bucket you can access
-    with vcr.use_cassette(str(tmpdir.join("boto-medium.yml"))):
-        k = Key(s3_bucket)
-        k.key = "test.txt"
-        k.set_contents_from_string("hello world i am a string")
-
-    with vcr.use_cassette(str(tmpdir.join("boto-medium.yml"))):
-        k = Key(s3_bucket)
-        k.key = "test.txt"
-        k.set_contents_from_string("hello world i am a string")
-
-
-def test_boto_hardcore_mode(tmpdir):
-    with vcr.use_cassette(str(tmpdir.join("boto-hardcore.yml"))):
-        s3_conn = S3Connection()
-        s3_bucket = s3_conn.get_bucket("boto-demo-1394171994")  # a bucket you can access
-        k = Key(s3_bucket)
-        k.key = "test.txt"
-        k.set_contents_from_string("hello world i am a string")
-
-    with vcr.use_cassette(str(tmpdir.join("boto-hardcore.yml"))):
-        s3_conn = S3Connection()
-        s3_bucket = s3_conn.get_bucket("boto-demo-1394171994")  # a bucket you can access
-        k = Key(s3_bucket)
-        k.key = "test.txt"
-        k.set_contents_from_string("hello world i am a string")
-
-
-def test_boto_iam(tmpdir):
-    try:
-        boto.config.add_section("Boto")
-    except DuplicateSectionError:
-        pass
-    # Ensure that boto uses HTTPS
-    boto.config.set("Boto", "is_secure", "true")
-    # Ensure that boto uses CertValidatingHTTPSConnection
-    boto.config.set("Boto", "https_validate_certificates", "true")
-
-    with vcr.use_cassette(str(tmpdir.join("boto-iam.yml"))):
-        iam_conn = boto.iam.connect_to_region("universal")
-        iam_conn.get_all_users()
-
-    with vcr.use_cassette(str(tmpdir.join("boto-iam.yml"))):
-        iam_conn = boto.iam.connect_to_region("universal")
-        iam_conn.get_all_users()

tests/integration/test_boto3.py

@@ -2,15 +2,14 @@ import os
 
 import pytest
 
+import vcr
+
 boto3 = pytest.importorskip("boto3")
 
-import boto3  # NOQA
-import botocore  # NOQA
-
-import vcr  # NOQA
+import botocore  # noqa
 
 try:
-    from botocore import awsrequest  # NOQA
+    from botocore import awsrequest  # noqa
 
     botocore_awsrequest = True
 except ImportError:
@@ -20,12 +19,12 @@ except ImportError:
 # https://github.com/boto/botocore/pull/1495
 boto3_skip_vendored_requests = pytest.mark.skipif(
     botocore_awsrequest,
-    reason="botocore version {ver} does not use vendored requests anymore.".format(ver=botocore.__version__),
+    reason=f"botocore version {botocore.__version__} does not use vendored requests anymore.",
 )
 
 boto3_skip_awsrequest = pytest.mark.skipif(
     not botocore_awsrequest,
-    reason="botocore version {ver} still uses vendored requests.".format(ver=botocore.__version__),
+    reason=f"botocore version {botocore.__version__} still uses vendored requests.",
 )
 
 IAM_USER_NAME = "vcrpy"

tests/integration/test_config.py

@@ -5,15 +5,16 @@ from urllib.request import urlopen
 import pytest
 
 import vcr
+from vcr.cassette import Cassette
 
 
 @pytest.mark.online
-def test_set_serializer_default_config(tmpdir, mockbin_request_url):
+def test_set_serializer_default_config(tmpdir, httpbin):
     my_vcr = vcr.VCR(serializer="json")
 
     with my_vcr.use_cassette(str(tmpdir.join("test.json"))):
         assert my_vcr.serializer == "json"
-        urlopen(mockbin_request_url)
+        urlopen(httpbin.url)
 
     with open(str(tmpdir.join("test.json"))) as f:
         file_content = f.read()
@@ -22,37 +23,37 @@ def test_set_serializer_default_config(tmpdir, mockbin_request_url):
 
 
 @pytest.mark.online
-def test_default_set_cassette_library_dir(tmpdir, mockbin_request_url):
+def test_default_set_cassette_library_dir(tmpdir, httpbin):
     my_vcr = vcr.VCR(cassette_library_dir=str(tmpdir.join("subdir")))
 
     with my_vcr.use_cassette("test.json"):
-        urlopen(mockbin_request_url)
+        urlopen(httpbin.url)
 
     assert os.path.exists(str(tmpdir.join("subdir").join("test.json")))
 
 
 @pytest.mark.online
-def test_override_set_cassette_library_dir(tmpdir, mockbin_request_url):
+def test_override_set_cassette_library_dir(tmpdir, httpbin):
     my_vcr = vcr.VCR(cassette_library_dir=str(tmpdir.join("subdir")))
 
     cld = str(tmpdir.join("subdir2"))
 
     with my_vcr.use_cassette("test.json", cassette_library_dir=cld):
-        urlopen(mockbin_request_url)
+        urlopen(httpbin.url)
 
     assert os.path.exists(str(tmpdir.join("subdir2").join("test.json")))
     assert not os.path.exists(str(tmpdir.join("subdir").join("test.json")))
 
 
 @pytest.mark.online
-def test_override_match_on(tmpdir, mockbin_request_url):
+def test_override_match_on(tmpdir, httpbin):
     my_vcr = vcr.VCR(match_on=["method"])
 
     with my_vcr.use_cassette(str(tmpdir.join("test.json"))):
-        urlopen(mockbin_request_url)
+        urlopen(httpbin.url)
 
     with my_vcr.use_cassette(str(tmpdir.join("test.json"))) as cass:
-        urlopen(mockbin_request_url)
+        urlopen(httpbin.url)
 
     assert len(cass) == 1
     assert cass.play_count == 1
@@ -61,18 +62,17 @@ def test_override_match_on(tmpdir, mockbin_request_url):
 def test_missing_matcher():
     my_vcr = vcr.VCR()
     my_vcr.register_matcher("awesome", object)
-    with pytest.raises(KeyError):
-        with my_vcr.use_cassette("test.yaml", match_on=["notawesome"]):
-            pass
+    with pytest.raises(KeyError), my_vcr.use_cassette("test.yaml", match_on=["notawesome"]):
+        pass
 
 
 @pytest.mark.online
-def test_dont_record_on_exception(tmpdir, mockbin_request_url):
+def test_dont_record_on_exception(tmpdir, httpbin):
     my_vcr = vcr.VCR(record_on_exception=False)
 
     @my_vcr.use_cassette(str(tmpdir.join("dontsave.yml")))
     def some_test():
-        assert b"Not in content" in urlopen(mockbin_request_url)
+        assert b"Not in content" in urlopen(httpbin.url)
 
     with pytest.raises(AssertionError):
         some_test()
@@ -80,8 +80,25 @@ def test_dont_record_on_exception(tmpdir, mockbin_request_url):
     assert not os.path.exists(str(tmpdir.join("dontsave.yml")))
 
     # Make sure context decorator has the same behavior
-    with pytest.raises(AssertionError):
-        with my_vcr.use_cassette(str(tmpdir.join("dontsave2.yml"))):
-            assert b"Not in content" in urlopen(mockbin_request_url).read()
+    with pytest.raises(AssertionError), my_vcr.use_cassette(str(tmpdir.join("dontsave2.yml"))):
+        assert b"Not in content" in urlopen(httpbin.url).read()
 
     assert not os.path.exists(str(tmpdir.join("dontsave2.yml")))
+
+
+def test_set_drop_unused_requests(tmpdir, httpbin):
+    my_vcr = vcr.VCR(drop_unused_requests=True)
+    file = str(tmpdir.join("test.yaml"))
+
+    with my_vcr.use_cassette(file):
+        urlopen(httpbin.url)
+        urlopen(httpbin.url + "/get")
+
+    cassette = Cassette.load(path=file)
+    assert len(cassette) == 2
+
+    with my_vcr.use_cassette(file):
+        urlopen(httpbin.url)
+
+    cassette = Cassette.load(path=file)
+    assert len(cassette) == 1

tests/integration/test_disksaver.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Basic tests about save behavior"""
 
 # External imports
@@ -13,19 +12,19 @@ import vcr
 
 
 @pytest.mark.online
-def test_disk_saver_nowrite(tmpdir, mockbin_request_url):
+def test_disk_saver_nowrite(tmpdir, httpbin):
     """
     Ensure that when you close a cassette without changing it it doesn't
     rewrite the file
     """
     fname = str(tmpdir.join("synopsis.yaml"))
     with vcr.use_cassette(fname) as cass:
-        urlopen(mockbin_request_url).read()
+        urlopen(httpbin.url).read()
         assert cass.play_count == 0
     last_mod = os.path.getmtime(fname)
 
     with vcr.use_cassette(fname) as cass:
-        urlopen(mockbin_request_url).read()
+        urlopen(httpbin.url).read()
         assert cass.play_count == 1
         assert cass.dirty is False
     last_mod2 = os.path.getmtime(fname)
@@ -34,14 +33,14 @@ def test_disk_saver_nowrite(tmpdir, mockbin_request_url):
 
 
 @pytest.mark.online
-def test_disk_saver_write(tmpdir, mockbin_request_url):
+def test_disk_saver_write(tmpdir, httpbin):
     """
     Ensure that when you close a cassette after changing it it does
     rewrite the file
     """
     fname = str(tmpdir.join("synopsis.yaml"))
     with vcr.use_cassette(fname) as cass:
-        urlopen(mockbin_request_url).read()
+        urlopen(httpbin.url).read()
         assert cass.play_count == 0
     last_mod = os.path.getmtime(fname)
 
@@ -50,8 +49,8 @@ def test_disk_saver_write(tmpdir, mockbin_request_url):
     time.sleep(1)
 
     with vcr.use_cassette(fname, record_mode=vcr.mode.ANY) as cass:
-        urlopen(mockbin_request_url).read()
-        urlopen(mockbin_request_url + "/get").read()
+        urlopen(httpbin.url).read()
+        urlopen(httpbin.url + "/get").read()
         assert cass.play_count == 1
         assert cass.dirty
     last_mod2 = os.path.getmtime(fname)

tests/integration/test_filter.py

@@ -5,10 +5,11 @@ from urllib.parse import urlencode
 from urllib.request import Request, urlopen
 
 import pytest
-from assertions import assert_cassette_has_one_response, assert_is_json
 
 import vcr
 
+from ..assertions import assert_cassette_has_one_response, assert_is_json_bytes
+
 
 def _request_with_auth(url, username, password):
     request = Request(url)
@@ -45,13 +46,18 @@ def test_filter_basic_auth(tmpdir, httpbin):
 
 
 def test_filter_querystring(tmpdir, httpbin):
-    url = httpbin.url + "/?foo=bar"
+    url = httpbin.url + "/?password=secret"
     cass_file = str(tmpdir.join("filter_qs.yaml"))
-    with vcr.use_cassette(cass_file, filter_query_parameters=["foo"]):
+    with vcr.use_cassette(cass_file, filter_query_parameters=["password"]):
         urlopen(url)
-    with vcr.use_cassette(cass_file, filter_query_parameters=["foo"]) as cass:
+    with vcr.use_cassette(cass_file, filter_query_parameters=["password"]) as cass:
         urlopen(url)
-        assert "foo" not in cass.requests[0].url
+        assert "password" not in cass.requests[0].url
+        assert "secret" not in cass.requests[0].url
+    with open(cass_file) as f:
+        cassette_content = f.read()
+        assert "password" not in cassette_content
+        assert "secret" not in cassette_content
 
 
 def test_filter_post_data(tmpdir, httpbin):
@@ -105,7 +111,7 @@ def test_decompress_gzip(tmpdir, httpbin):
     with vcr.use_cassette(cass_file) as cass:
         decoded_response = urlopen(url).read()
         assert_cassette_has_one_response(cass)
-    assert_is_json(decoded_response)
+    assert_is_json_bytes(decoded_response)
 
 
 def test_decomptess_empty_body(tmpdir, httpbin):
@@ -129,7 +135,7 @@ def test_decompress_deflate(tmpdir, httpbin):
     with vcr.use_cassette(cass_file) as cass:
         decoded_response = urlopen(url).read()
         assert_cassette_has_one_response(cass)
-    assert_is_json(decoded_response)
+    assert_is_json_bytes(decoded_response)
 
 
 def test_decompress_regular(tmpdir, httpbin):
@@ -141,7 +147,7 @@ def test_decompress_regular(tmpdir, httpbin):
     with vcr.use_cassette(cass_file) as cass:
         resp = urlopen(url).read()
         assert_cassette_has_one_response(cass)
-    assert_is_json(resp)
+    assert_is_json_bytes(resp)
 
 
 def test_before_record_request_corruption(tmpdir, httpbin):

tests/integration/test_httplib2.py

@@ -1,13 +1,14 @@
-# -*- coding: utf-8 -*-
 """Integration tests with httplib2"""
+
 from urllib.parse import urlencode
 
 import pytest
 import pytest_httpbin.certs
-from assertions import assert_cassette_has_one_response
 
 import vcr
 
+from ..assertions import assert_cassette_has_one_response
+
 httplib2 = pytest.importorskip("httplib2")
 
 
@@ -57,14 +58,14 @@ def test_response_headers(tmpdir, httpbin_both):
 
 
 @pytest.mark.online
-def test_effective_url(tmpdir):
+def test_effective_url(tmpdir, httpbin):
     """Ensure that the effective_url is captured"""
-    url = "http://mockbin.org/redirect/301"
+    url = httpbin.url + "/redirect-to?url=.%2F&status_code=301"
 
     with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
         resp, _ = http().request(url)
         effective_url = resp["content-location"]
-        assert effective_url == "http://mockbin.org/redirect/301/0"
+        assert effective_url == httpbin.url + "/"
 
     with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
         resp, _ = http().request(url)

tests/integration/test_httpx.py

@@ -2,11 +2,18 @@ import os
 
 import pytest
 
+import vcr
+
+from ..assertions import assert_is_json_bytes
+
 asyncio = pytest.importorskip("asyncio")
 httpx = pytest.importorskip("httpx")
 
-import vcr  # noqa: E402
-from vcr.stubs.httpx_stubs import HTTPX_REDIRECT_PARAM  # noqa: E402
+
+@pytest.fixture(params=["https", "http"])
+def scheme(request):
+    """Fixture that returns both http and https."""
+    return request.param
 
 
 class BaseDoRequest:
@@ -15,6 +22,7 @@ class BaseDoRequest:
     def __init__(self, *args, **kwargs):
         self._client_args = args
         self._client_kwargs = kwargs
+        self._client_kwargs["follow_redirects"] = self._client_kwargs.get("follow_redirects", True)
 
     def _make_client(self):
         return self._client_class(*self._client_args, **self._client_kwargs)
@@ -24,21 +32,36 @@ class DoSyncRequest(BaseDoRequest):
     _client_class = httpx.Client
 
     def __enter__(self):
+        self._client = self._make_client()
         return self
 
     def __exit__(self, *args):
-        pass
+        self._client.close()
+        del self._client
 
     @property
     def client(self):
         try:
             return self._client
-        except AttributeError:
-            self._client = self._make_client()
-            return self._client
+        except AttributeError as e:
+            raise ValueError('To access sync client, use "with do_request() as client"') from e
 
     def __call__(self, *args, **kwargs):
-        return self.client.request(*args, timeout=60, **kwargs)
+        if hasattr(self, "_client"):
+            return self.client.request(*args, timeout=60, **kwargs)
+
+        # Use one-time context and dispose of the client afterwards
+        with self:
+            return self.client.request(*args, timeout=60, **kwargs)
+
+    def stream(self, *args, **kwargs):
+        if hasattr(self, "_client"):
+            with self.client.stream(*args, **kwargs) as response:
+                return b"".join(response.iter_bytes())
+
+        # Use one-time context and dispose of the client afterwards
+        with self, self.client.stream(*args, **kwargs) as response:
+            return b"".join(response.iter_bytes())
 
 
 class DoAsyncRequest(BaseDoRequest):
@@ -65,8 +88,8 @@ class DoAsyncRequest(BaseDoRequest):
     def client(self):
         try:
             return self._client
-        except AttributeError:
-            raise ValueError('To access async client, use "with do_request() as client"')
+        except AttributeError as e:
+            raise ValueError('To access async client, use "with do_request() as client"') from e
 
     def __call__(self, *args, **kwargs):
         if hasattr(self, "_loop"):
@@ -74,7 +97,22 @@ class DoAsyncRequest(BaseDoRequest):
 
         # Use one-time context and dispose of the loop/client afterwards
         with self:
-            return self(*args, **kwargs)
+            return self._loop.run_until_complete(self.client.request(*args, **kwargs))
+
+    async def _get_stream(self, *args, **kwargs):
+        async with self.client.stream(*args, **kwargs) as response:
+            content = b""
+            async for c in response.aiter_bytes():
+                content += c
+        return content
+
+    def stream(self, *args, **kwargs):
+        if hasattr(self, "_loop"):
+            return self._loop.run_until_complete(self._get_stream(*args, **kwargs))
+
+        # Use one-time context and dispose of the loop/client afterwards
+        with self:
+            return self._loop.run_until_complete(self._get_stream(*args, **kwargs))
 
 
 def pytest_generate_tests(metafunc):
@@ -88,8 +126,8 @@ def yml(tmpdir, request):
 
 
 @pytest.mark.online
-def test_status(tmpdir, mockbin, do_request):
-    url = mockbin
+def test_status(tmpdir, httpbin, do_request):
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("status.yaml"))):
         response = do_request()("GET", url)
@@ -101,8 +139,8 @@ def test_status(tmpdir, mockbin, do_request):
 
 
 @pytest.mark.online
-def test_case_insensitive_headers(tmpdir, mockbin, do_request):
-    url = mockbin
+def test_case_insensitive_headers(tmpdir, httpbin, do_request):
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("whatever.yaml"))):
         do_request()("GET", url)
@@ -115,8 +153,8 @@ def test_case_insensitive_headers(tmpdir, mockbin, do_request):
 
 
 @pytest.mark.online
-def test_content(tmpdir, mockbin, do_request):
-    url = mockbin
+def test_content(tmpdir, httpbin, do_request):
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("cointent.yaml"))):
         response = do_request()("GET", url)
@@ -128,23 +166,21 @@ def test_content(tmpdir, mockbin, do_request):
 
 
 @pytest.mark.online
-def test_json(tmpdir, mockbin, do_request):
-    url = mockbin + "/request"
-
-    headers = {"content-type": "application/json"}
+def test_json(tmpdir, httpbin, do_request):
+    url = httpbin.url + "/json"
 
     with vcr.use_cassette(str(tmpdir.join("json.yaml"))):
-        response = do_request(headers=headers)("GET", url)
+        response = do_request()("GET", url)
 
     with vcr.use_cassette(str(tmpdir.join("json.yaml"))) as cassette:
-        cassette_response = do_request(headers=headers)("GET", url)
+        cassette_response = do_request()("GET", url)
         assert cassette_response.json() == response.json()
         assert cassette.play_count == 1
 
 
 @pytest.mark.online
-def test_params_same_url_distinct_params(tmpdir, mockbin, do_request):
-    url = mockbin + "/request"
+def test_params_same_url_distinct_params(tmpdir, httpbin, do_request):
+    url = httpbin.url + "/get"
     headers = {"Content-Type": "application/json"}
     params = {"a": 1, "b": False, "c": "c"}
 
@@ -158,52 +194,34 @@ def test_params_same_url_distinct_params(tmpdir, mockbin, do_request):
         assert cassette.play_count == 1
 
     params = {"other": "params"}
-    with vcr.use_cassette(str(tmpdir.join("get.yaml"))) as cassette:
-        with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
-            do_request()("GET", url, params=params, headers=headers)
+    with (
+        vcr.use_cassette(str(tmpdir.join("get.yaml"))) as cassette,
+        pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException),
+    ):
+        do_request()("GET", url, params=params, headers=headers)
 
 
 @pytest.mark.online
-def test_redirect(mockbin, yml, do_request):
-    url = mockbin + "/redirect/303/2"
+def test_redirect(httpbin, yml, do_request):
+    url = httpbin.url + "/redirect-to"
 
-    redirect_kwargs = {HTTPX_REDIRECT_PARAM.name: True}
-
-    response = do_request()("GET", url, **redirect_kwargs)
+    response = do_request()("GET", url)
     with vcr.use_cassette(yml):
-        response = do_request()("GET", url, **redirect_kwargs)
+        response = do_request()("GET", url, params={"url": "./get", "status_code": 302})
 
     with vcr.use_cassette(yml) as cassette:
-        cassette_response = do_request()("GET", url, **redirect_kwargs)
+        cassette_response = do_request()("GET", url, params={"url": "./get", "status_code": 302})
 
         assert cassette_response.status_code == response.status_code
         assert len(cassette_response.history) == len(response.history)
-        assert len(cassette) == 3
-        assert cassette.play_count == 3
+        assert len(cassette) == 2
+        assert cassette.play_count == 2
 
     # Assert that the real response and the cassette response have a similar
     # looking request_info.
     assert cassette_response.request.url == response.request.url
     assert cassette_response.request.method == response.request.method
-    assert {k: v for k, v in cassette_response.request.headers.items()} == {
-        k: v for k, v in response.request.headers.items()
-    }
-
-
-@pytest.mark.online
-def test_work_with_gzipped_data(mockbin, do_request, yml):
-    url = mockbin + "/gzip?foo=bar"
-    headers = {"accept-encoding": "deflate, gzip"}
-
-    with vcr.use_cassette(yml):
-        do_request(headers=headers)("GET", url)
-
-    with vcr.use_cassette(yml) as cassette:
-        cassette_response = do_request(headers=headers)("GET", url)
-
-        assert cassette_response.headers["content-encoding"] == "gzip"
-        assert cassette_response.read()
-        assert cassette.play_count == 1
+    assert cassette_response.request.headers.items() == response.request.headers.items()
 
 
 @pytest.mark.online
@@ -218,55 +236,32 @@ def test_simple_fetching(do_request, yml, url):
         assert cassette.play_count == 1
 
 
-def test_behind_proxy(do_request):
-    # This is recorded because otherwise we should have a live proxy somewhere.
-    yml = (
-        os.path.dirname(os.path.realpath(__file__)) + "/cassettes/" + "test_httpx_test_test_behind_proxy.yml"
-    )
-    url = "https://mockbin.org/headers"
-    proxy = "http://localhost:8080"
-    proxies = {"http://": proxy, "https://": proxy}
-
-    with vcr.use_cassette(yml):
-        response = do_request(proxies=proxies, verify=False)("GET", url)
-
-    with vcr.use_cassette(yml) as cassette:
-        cassette_response = do_request(proxies=proxies, verify=False)("GET", url)
-        assert str(cassette_response.request.url) == url
-        assert cassette.play_count == 1
-
-        assert cassette_response.headers["Via"] == "my_own_proxy", str(cassette_response.headers)
-        assert cassette_response.request.url == response.request.url
-
-
 @pytest.mark.online
-def test_cookies(tmpdir, mockbin, do_request):
+def test_cookies(tmpdir, httpbin, do_request):
     def client_cookies(client):
-        return [c for c in client.client.cookies]
+        return list(client.client.cookies)
 
     def response_cookies(response):
-        return [c for c in response.cookies]
+        return list(response.cookies)
 
-    url = mockbin + "/bin/26148652-fe25-4f21-aaf5-689b5b4bf65f"
-    headers = {"cookie": "k1=v1;k2=v2"}
+    url = httpbin.url + "/cookies/set"
+    params = {"k1": "v1", "k2": "v2"}
 
-    with do_request(headers=headers) as client:
+    with do_request(params=params, follow_redirects=False) as client:
         assert client_cookies(client) == []
 
-        redirect_kwargs = {HTTPX_REDIRECT_PARAM.name: True}
-
         testfile = str(tmpdir.join("cookies.yml"))
         with vcr.use_cassette(testfile):
-            r1 = client("GET", url, **redirect_kwargs)
+            r1 = client("GET", url)
 
             assert response_cookies(r1) == ["k1", "k2"]
 
-            r2 = client("GET", url, **redirect_kwargs)
+            r2 = client("GET", url)
 
             assert response_cookies(r2) == ["k1", "k2"]
             assert client_cookies(client) == ["k1", "k2"]
 
-    with do_request(headers=headers) as new_client:
+    with do_request(params=params, follow_redirects=False) as new_client:
         assert client_cookies(new_client) == []
 
         with vcr.use_cassette(testfile) as cassette:
@@ -278,40 +273,90 @@ def test_cookies(tmpdir, mockbin, do_request):
 
 
 @pytest.mark.online
-def test_relative_redirects(tmpdir, scheme, do_request, mockbin):
-    redirect_kwargs = {HTTPX_REDIRECT_PARAM.name: True}
+def test_stream(tmpdir, httpbin, do_request):
+    url = httpbin.url + "/stream-bytes/512"
+    testfile = str(tmpdir.join("stream.yml"))
 
-    url = mockbin + "/redirect/301?to=/redirect/301?to=/request"
-    testfile = str(tmpdir.join("relative_redirects.yml"))
     with vcr.use_cassette(testfile):
-        response = do_request()("GET", url, **redirect_kwargs)
-        assert len(response.history) == 2, response
-        assert response.json()["url"].endswith("request")
+        response_content = do_request().stream("GET", url)
+        assert len(response_content) == 512
 
     with vcr.use_cassette(testfile) as cassette:
-        response = do_request()("GET", url, **redirect_kwargs)
-        assert len(response.history) == 2
-        assert response.json()["url"].endswith("request")
-
-        assert cassette.play_count == 3
+        cassette_content = do_request().stream("GET", url)
+        assert cassette_content == response_content
+        assert len(cassette_content) == 512
+        assert cassette.play_count == 1
 
 
-@pytest.mark.online
-def test_redirect_wo_allow_redirects(do_request, mockbin, yml):
-    url = mockbin + "/redirect/308/5"
-
-    redirect_kwargs = {HTTPX_REDIRECT_PARAM.name: False}
-
-    with vcr.use_cassette(yml):
-        response = do_request()("GET", url, **redirect_kwargs)
-
-        assert str(response.url).endswith("308/5")
-        assert response.status_code == 308
+# Regular cassette formats support the status reason,
+# but the old HTTPX cassette format does not.
+@pytest.mark.parametrize(
+    "cassette_name,reason",
+    [
+        ("requests", "great"),
+        ("httpx_old_format", "OK"),
+    ],
+)
+def test_load_cassette_format(do_request, cassette_name, reason):
+    mydir = os.path.dirname(os.path.realpath(__file__))
+    yml = f"{mydir}/cassettes/gzip_{cassette_name}.yaml"
+    url = "https://httpbin.org/gzip"
 
     with vcr.use_cassette(yml) as cassette:
-        response = do_request()("GET", url, **redirect_kwargs)
-
-        assert str(response.url).endswith("308/5")
-        assert response.status_code == 308
-
+        cassette_response = do_request()("GET", url)
+        assert str(cassette_response.request.url) == url
         assert cassette.play_count == 1
+
+        # Should be able to load up the JSON inside,
+        # regardless whether the content is the gzipped
+        # in the cassette or not.
+        json = cassette_response.json()
+        assert json["method"] == "GET", json
+        assert cassette_response.status_code == 200
+        assert cassette_response.reason_phrase == reason
+
+
+def test_gzip__decode_compressed_response_false(tmpdir, httpbin, do_request):
+    """
+    Ensure that httpx is able to automatically decompress the response body.
+    """
+    for _ in range(2):  # one for recording, one for re-playing
+        with vcr.use_cassette(str(tmpdir.join("gzip.yaml"))) as cassette:
+            response = do_request()("GET", httpbin + "/gzip")
+            assert response.headers["content-encoding"] == "gzip"  # i.e. not removed
+            # The content stored in the cassette should be gzipped.
+            assert cassette.responses[0]["body"]["string"][:2] == b"\x1f\x8b"
+            assert_is_json_bytes(response.content)  # i.e. uncompressed bytes
+
+
+def test_gzip__decode_compressed_response_true(do_request, tmpdir, httpbin):
+    url = httpbin + "/gzip"
+
+    expected_response = do_request()("GET", url)
+    expected_content = expected_response.content
+    assert expected_response.headers["content-encoding"] == "gzip"  # self-test
+
+    with vcr.use_cassette(
+        str(tmpdir.join("decode_compressed.yaml")),
+        decode_compressed_response=True,
+    ) as cassette:
+        r = do_request()("GET", url)
+        assert r.headers["content-encoding"] == "gzip"  # i.e. not removed
+        content_length = r.headers["content-length"]
+        assert r.content == expected_content
+
+    # Has the cassette body been decompressed?
+    cassette_response_body = cassette.responses[0]["body"]["string"]
+    assert isinstance(cassette_response_body, str)
+
+    # Content should be JSON.
+    assert cassette_response_body[0:1] == "{"
+
+    with vcr.use_cassette(str(tmpdir.join("decode_compressed.yaml")), decode_compressed_response=True):
+        r = httpx.get(url)
+        assert "content-encoding" not in r.headers  # i.e. removed
+        assert r.content == expected_content
+
+        # As the content is uncompressed, it should have a bigger
+        # length than the compressed version.
+        assert r.headers["content-length"] > content_length

tests/integration/test_ignore.py

@@ -28,9 +28,9 @@ def test_ignore_localhost(tmpdir, httpbin):
     with overridden_dns({"httpbin.org": "127.0.0.1"}):
         cass_file = str(tmpdir.join("filter_qs.yaml"))
         with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
-            urlopen("http://localhost:{}/".format(httpbin.port))
+            urlopen(f"http://localhost:{httpbin.port}/")
             assert len(cass) == 0
-            urlopen("http://httpbin.org:{}/".format(httpbin.port))
+            urlopen(f"http://httpbin.org:{httpbin.port}/")
             assert len(cass) == 1
 
 
@@ -38,9 +38,9 @@ def test_ignore_httpbin(tmpdir, httpbin):
     with overridden_dns({"httpbin.org": "127.0.0.1"}):
         cass_file = str(tmpdir.join("filter_qs.yaml"))
         with vcr.use_cassette(cass_file, ignore_hosts=["httpbin.org"]) as cass:
-            urlopen("http://httpbin.org:{}/".format(httpbin.port))
+            urlopen(f"http://httpbin.org:{httpbin.port}/")
             assert len(cass) == 0
-            urlopen("http://localhost:{}/".format(httpbin.port))
+            urlopen(f"http://localhost:{httpbin.port}/")
             assert len(cass) == 1
 
 
@@ -48,8 +48,8 @@ def test_ignore_localhost_and_httpbin(tmpdir, httpbin):
     with overridden_dns({"httpbin.org": "127.0.0.1"}):
         cass_file = str(tmpdir.join("filter_qs.yaml"))
         with vcr.use_cassette(cass_file, ignore_hosts=["httpbin.org"], ignore_localhost=True) as cass:
-            urlopen("http://httpbin.org:{}".format(httpbin.port))
-            urlopen("http://localhost:{}".format(httpbin.port))
+            urlopen(f"http://httpbin.org:{httpbin.port}")
+            urlopen(f"http://localhost:{httpbin.port}")
             assert len(cass) == 0
 
 
@@ -57,12 +57,12 @@ def test_ignore_localhost_twice(tmpdir, httpbin):
     with overridden_dns({"httpbin.org": "127.0.0.1"}):
         cass_file = str(tmpdir.join("filter_qs.yaml"))
         with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
-            urlopen("http://localhost:{}".format(httpbin.port))
+            urlopen(f"http://localhost:{httpbin.port}")
             assert len(cass) == 0
-            urlopen("http://httpbin.org:{}".format(httpbin.port))
+            urlopen(f"http://httpbin.org:{httpbin.port}")
             assert len(cass) == 1
         with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
             assert len(cass) == 1
-            urlopen("http://localhost:{}".format(httpbin.port))
-            urlopen("http://httpbin.org:{}".format(httpbin.port))
+            urlopen(f"http://localhost:{httpbin.port}")
+            urlopen(f"http://httpbin.org:{httpbin.port}")
             assert len(cass) == 1

tests/integration/test_matchers.py

@@ -51,9 +51,11 @@ def test_matchers(httpbin, httpbin_secure, cassette, matcher, matching_uri, not_
         assert cass.play_count == 1
 
     # play cassette with not matching on uri, it should fail
-    with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
-        with vcr.use_cassette(cassette, match_on=[matcher]) as cass:
-            urlopen(not_matching_uri)
+    with (
+        pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException),
+        vcr.use_cassette(cassette, match_on=[matcher]) as cass,
+    ):
+        urlopen(not_matching_uri)
 
 
 def test_method_matcher(cassette, httpbin, httpbin_secure):
@@ -65,14 +67,21 @@ def test_method_matcher(cassette, httpbin, httpbin_secure):
         assert cass.play_count == 1
 
     # should fail if method does not match
-    with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
-        with vcr.use_cassette(cassette, match_on=["method"]) as cass:
-            # is a POST request
-            urlopen(default_uri, data=b"")
+    with (
+        pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException),
+        vcr.use_cassette(cassette, match_on=["method"]) as cass,
+    ):
+        # is a POST request
+        urlopen(default_uri, data=b"")
 
 
 @pytest.mark.parametrize(
-    "uri", [DEFAULT_URI, "http://httpbin.org/get?p2=q2&p1=q1", "http://httpbin.org/get?p2=q2&p1=q1"]
+    "uri",
+    (
+        DEFAULT_URI,
+        "http://httpbin.org/get?p2=q2&p1=q1",
+        "http://httpbin.org/get?p2=q2&p1=q1",
+    ),
 )
 def test_default_matcher_matches(cassette, uri, httpbin, httpbin_secure):
     uri = _replace_httpbin(uri, httpbin, httpbin_secure)
@@ -93,14 +102,12 @@ def test_default_matcher_matches(cassette, uri, httpbin, httpbin_secure):
 )
 def test_default_matcher_does_not_match(cassette, uri, httpbin, httpbin_secure):
     uri = _replace_httpbin(uri, httpbin, httpbin_secure)
-    with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
-        with vcr.use_cassette(cassette):
-            urlopen(uri)
+    with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException), vcr.use_cassette(cassette):
+        urlopen(uri)
 
 
 def test_default_matcher_does_not_match_on_method(cassette, httpbin, httpbin_secure):
     default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
-    with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
-        with vcr.use_cassette(cassette):
-            # is a POST request
-            urlopen(default_uri, data=b"")
+    with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException), vcr.use_cassette(cassette):
+        # is a POST request
+        urlopen(default_uri, data=b"")

tests/integration/test_multiple.py

@@ -3,6 +3,7 @@ from urllib.request import urlopen
 import pytest
 
 import vcr
+from vcr.errors import CannotOverwriteExistingCassetteException
 
 
 def test_making_extra_request_raises_exception(tmpdir, httpbin):
@@ -18,5 +19,5 @@ def test_making_extra_request_raises_exception(tmpdir, httpbin):
     with vcr.use_cassette(str(tmpdir.join("test.json")), match_on=["method"]):
         assert urlopen(httpbin.url + "/status/200").getcode() == 200
         assert urlopen(httpbin.url + "/status/201").getcode() == 201
-        with pytest.raises(Exception):
+        with pytest.raises(CannotOverwriteExistingCassetteException):
             urlopen(httpbin.url + "/status/200")

tests/integration/test_proxy.py

@@ -1,9 +1,9 @@
-# -*- coding: utf-8 -*-
 """Test using a proxy."""
 
+import asyncio
 import http.server
-import multiprocessing
 import socketserver
+import threading
 from urllib.request import urlopen
 
 import pytest
@@ -30,20 +30,51 @@ class Proxy(http.server.SimpleHTTPRequestHandler):
             # In Python 2 the response is an addinfourl instance.
             status = upstream_response.code
             headers = upstream_response.info().items()
-        self.send_response(status, upstream_response.msg)
+        self.log_request(status)
+        self.send_response_only(status, upstream_response.msg)
         for header in headers:
             self.send_header(*header)
         self.end_headers()
         self.copyfile(upstream_response, self.wfile)
 
+    def do_CONNECT(self):
+        host, port = self.path.split(":")
+
+        asyncio.run(self._tunnel(host, port, self.connection))
+
+    async def _tunnel(self, host, port, client_sock):
+        target_r, target_w = await asyncio.open_connection(host=host, port=port)
+
+        self.send_response(http.HTTPStatus.OK)
+        self.end_headers()
+
+        source_r, source_w = await asyncio.open_connection(sock=client_sock)
+
+        async def channel(reader, writer):
+            while True:
+                data = await reader.read(1024)
+                if not data:
+                    break
+                writer.write(data)
+                await writer.drain()
+
+            writer.close()
+            await writer.wait_closed()
+
+        await asyncio.gather(
+            channel(target_r, source_w),
+            channel(source_r, target_w),
+        )
+
 
 @pytest.fixture(scope="session")
 def proxy_server():
-    httpd = socketserver.ThreadingTCPServer(("", 0), Proxy)
-    proxy_process = multiprocessing.Process(target=httpd.serve_forever)
-    proxy_process.start()
-    yield "http://{}:{}".format(*httpd.server_address)
-    proxy_process.terminate()
+    with socketserver.ThreadingTCPServer(("", 0), Proxy) as httpd:
+        proxy_process = threading.Thread(target=httpd.serve_forever)
+        proxy_process.start()
+        yield "http://{}:{}".format(*httpd.server_address)
+        httpd.shutdown()
+        proxy_process.join()
 
 
 def test_use_proxy(tmpdir, httpbin, proxy_server):
@@ -51,8 +82,26 @@ def test_use_proxy(tmpdir, httpbin, proxy_server):
     with vcr.use_cassette(str(tmpdir.join("proxy.yaml"))):
         response = requests.get(httpbin.url, proxies={"http": proxy_server})
 
-    with vcr.use_cassette(str(tmpdir.join("proxy.yaml"))) as cassette:
+    with vcr.use_cassette(str(tmpdir.join("proxy.yaml")), mode="none") as cassette:
         cassette_response = requests.get(httpbin.url, proxies={"http": proxy_server})
 
     assert cassette_response.headers == response.headers
     assert cassette.play_count == 1
+
+
+def test_use_https_proxy(tmpdir, httpbin_secure, proxy_server):
+    """Ensure that it works with an HTTPS proxy."""
+    with vcr.use_cassette(str(tmpdir.join("proxy.yaml"))):
+        response = requests.get(httpbin_secure.url, proxies={"https": proxy_server})
+
+    with vcr.use_cassette(str(tmpdir.join("proxy.yaml")), mode="none") as cassette:
+        cassette_response = requests.get(
+            httpbin_secure.url,
+            proxies={"https": proxy_server},
+        )
+
+    assert cassette_response.headers == response.headers
+    assert cassette.play_count == 1
+
+    # The cassette URL points to httpbin, not the proxy
+    assert cassette.requests[0].url == httpbin_secure.url + "/"

tests/integration/test_record_mode.py

@@ -3,6 +3,7 @@ from urllib.request import urlopen
 import pytest
 
 import vcr
+from vcr.errors import CannotOverwriteExistingCassetteException
 
 
 def test_once_record_mode(tmpdir, httpbin):
@@ -18,7 +19,7 @@ def test_once_record_mode(tmpdir, httpbin):
         # the first time, it's played from the cassette.
         # but, try to access something else from the same cassette, and an
         # exception is raised.
-        with pytest.raises(Exception):
+        with pytest.raises(CannotOverwriteExistingCassetteException):
             urlopen(httpbin.url + "/get").read()
 
 
@@ -94,7 +95,7 @@ def test_new_episodes_record_mode_two_times(tmpdir, httpbin):
         assert urlopen(url).read() == original_second_response
         # now that we are back in once mode, this should raise
         # an error.
-        with pytest.raises(Exception):
+        with pytest.raises(CannotOverwriteExistingCassetteException):
             urlopen(url).read()
 
 
@@ -123,9 +124,11 @@ def test_none_record_mode(tmpdir, httpbin):
     # Cassette file doesn't exist, yet we are trying to make a request.
     # raise hell.
     testfile = str(tmpdir.join("recordmode.yml"))
-    with vcr.use_cassette(testfile, record_mode=vcr.mode.NONE):
-        with pytest.raises(Exception):
-            urlopen(httpbin.url).read()
+    with (
+        vcr.use_cassette(testfile, record_mode=vcr.mode.NONE),
+        pytest.raises(CannotOverwriteExistingCassetteException),
+    ):
+        urlopen(httpbin.url).read()
 
 
 def test_none_record_mode_with_existing_cassette(tmpdir, httpbin):
@@ -140,5 +143,5 @@ def test_none_record_mode_with_existing_cassette(tmpdir, httpbin):
         urlopen(httpbin.url).read()
         assert cass.play_count == 1
         # but if I try to hit the net, raise an exception.
-        with pytest.raises(Exception):
+        with pytest.raises(CannotOverwriteExistingCassetteException):
             urlopen(httpbin.url + "/get").read()

tests/integration/test_register_matcher.py

@@ -14,28 +14,28 @@ def false_matcher(r1, r2):
 
 
 @pytest.mark.online
-def test_registered_true_matcher(tmpdir, mockbin_request_url):
+def test_registered_true_matcher(tmpdir, httpbin):
     my_vcr = vcr.VCR()
     my_vcr.register_matcher("true", true_matcher)
     testfile = str(tmpdir.join("test.yml"))
     with my_vcr.use_cassette(testfile, match_on=["true"]):
         # These 2 different urls are stored as the same request
-        urlopen(mockbin_request_url)
-        urlopen(mockbin_request_url + "/get")
+        urlopen(httpbin.url)
+        urlopen(httpbin.url + "/get")
 
     with my_vcr.use_cassette(testfile, match_on=["true"]):
         # I can get the response twice even though I only asked for it once
-        urlopen(mockbin_request_url)
-        urlopen(mockbin_request_url)
+        urlopen(httpbin.url)
+        urlopen(httpbin.url)
 
 
 @pytest.mark.online
-def test_registered_false_matcher(tmpdir, mockbin_request_url):
+def test_registered_false_matcher(tmpdir, httpbin):
     my_vcr = vcr.VCR()
     my_vcr.register_matcher("false", false_matcher)
     testfile = str(tmpdir.join("test.yml"))
     with my_vcr.use_cassette(testfile, match_on=["false"]) as cass:
         # These 2 different urls are stored as different requests
-        urlopen(mockbin_request_url)
-        urlopen(mockbin_request_url + "/get")
+        urlopen(httpbin.url)
+        urlopen(httpbin.url + "/get")
         assert len(cass) == 2

tests/integration/test_register_persister.py

@@ -1,13 +1,14 @@
-# -*- coding: utf-8 -*-
 """Tests for cassettes with custom persistence"""
 
 # External imports
 import os
 from urllib.request import urlopen
 
+import pytest
+
 # Internal imports
 import vcr
-from vcr.persisters.filesystem import FilesystemPersister
+from vcr.persisters.filesystem import CassetteDecodeError, CassetteNotFoundError, FilesystemPersister
 
 
 class CustomFilesystemPersister:
@@ -25,6 +26,19 @@ class CustomFilesystemPersister:
         FilesystemPersister.save_cassette(cassette_path, cassette_dict, serializer)
 
 
+class BadPersister(FilesystemPersister):
+    """A bad persister that raises different errors."""
+
+    @staticmethod
+    def load_cassette(cassette_path, serializer):
+        if "nonexistent" in cassette_path:
+            raise CassetteNotFoundError()
+        elif "encoding" in cassette_path:
+            raise CassetteDecodeError()
+        else:
+            raise ValueError("buggy persister")
+
+
 def test_save_cassette_with_custom_persister(tmpdir, httpbin):
     """Ensure you can save a cassette using custom persister"""
     my_vcr = vcr.VCR()
@@ -52,4 +66,22 @@ def test_load_cassette_with_custom_persister(tmpdir, httpbin):
 
     with my_vcr.use_cassette(test_fixture, serializer="json"):
         response = urlopen(httpbin.url).read()
-        assert b"difficult sometimes" in response
+        assert b"HTTP Request & Response Service" in response
+
+
+def test_load_cassette_persister_exception_handling(tmpdir, httpbin):
+    """
+    Ensure expected errors from persister are swallowed while unexpected ones
+    are passed up the call stack.
+    """
+    my_vcr = vcr.VCR()
+    my_vcr.register_persister(BadPersister)
+
+    with my_vcr.use_cassette("bad/nonexistent") as cass:
+        assert len(cass) == 0
+
+    with my_vcr.use_cassette("bad/encoding") as cass:
+        assert len(cass) == 0
+
+    with pytest.raises(ValueError), my_vcr.use_cassette("bad/buggy") as cass:
+        pass

tests/integration/test_requests.py

@@ -1,11 +1,12 @@
 """Test requests' interaction with vcr"""
+
 import pytest
-from assertions import assert_cassette_empty, assert_is_json
 
 import vcr
 
+from ..assertions import assert_cassette_empty, assert_is_json_bytes
+
 requests = pytest.importorskip("requests")
-from requests.exceptions import ConnectionError  # noqa E402
 
 
 def test_status_code(httpbin_both, tmpdir):
@@ -114,22 +115,6 @@ def test_post_chunked_binary(tmpdir, httpbin):
     assert req1 == req2
 
 
-@pytest.mark.skipif("sys.version_info >= (3, 6)", strict=True, raises=ConnectionError)
-def test_post_chunked_binary_secure(tmpdir, httpbin_secure):
-    """Ensure that we can send chunked binary without breaking while trying to concatenate bytes with str."""
-    data1 = iter([b"data", b"to", b"send"])
-    data2 = iter([b"data", b"to", b"send"])
-    url = httpbin_secure.url + "/post"
-    with vcr.use_cassette(str(tmpdir.join("requests.yaml"))):
-        req1 = requests.post(url, data1).content
-        print(req1)
-
-    with vcr.use_cassette(str(tmpdir.join("requests.yaml"))):
-        req2 = requests.post(url, data2).content
-
-    assert req1 == req2
-
-
 def test_redirects(tmpdir, httpbin_both):
     """Ensure that we can handle redirects"""
     url = httpbin_both + "/redirect-to?url=bytes/1024"
@@ -176,7 +161,7 @@ def test_gzip__decode_compressed_response_false(tmpdir, httpbin_both):
         with vcr.use_cassette(str(tmpdir.join("gzip.yaml"))):
             response = requests.get(httpbin_both + "/gzip")
             assert response.headers["content-encoding"] == "gzip"  # i.e. not removed
-            assert_is_json(response.content)  # i.e. uncompressed bytes
+            assert_is_json_bytes(response.content)  # i.e. uncompressed bytes
 
 
 def test_gzip__decode_compressed_response_true(tmpdir, httpbin_both):
@@ -187,7 +172,8 @@ def test_gzip__decode_compressed_response_true(tmpdir, httpbin_both):
     assert expected_response.headers["content-encoding"] == "gzip"  # self-test
 
     with vcr.use_cassette(
-        str(tmpdir.join("decode_compressed.yaml")), decode_compressed_response=True
+        str(tmpdir.join("decode_compressed.yaml")),
+        decode_compressed_response=True,
     ) as cassette:
         r = requests.get(url)
         assert r.headers["content-encoding"] == "gzip"  # i.e. not removed
@@ -280,7 +266,7 @@ def test_nested_cassettes_with_session_created_before_nesting(httpbin_both, tmpd
 def test_post_file(tmpdir, httpbin_both):
     """Ensure that we handle posting a file."""
     url = httpbin_both + "/post"
-    with vcr.use_cassette(str(tmpdir.join("post_file.yaml"))) as cass, open("tox.ini", "rb") as f:
+    with vcr.use_cassette(str(tmpdir.join("post_file.yaml"))) as cass, open(".editorconfig", "rb") as f:
         original_response = requests.post(url, f).content
 
     # This also tests that we do the right thing with matching the body when they are files.
@@ -288,10 +274,10 @@ def test_post_file(tmpdir, httpbin_both):
         str(tmpdir.join("post_file.yaml")),
         match_on=("method", "scheme", "host", "port", "path", "query", "body"),
     ) as cass:
-        with open("tox.ini", "rb") as f:
-            tox_content = f.read()
-        assert cass.requests[0].body.read() == tox_content
-        with open("tox.ini", "rb") as f:
+        with open(".editorconfig", "rb") as f:
+            editorconfig = f.read()
+        assert cass.requests[0].body.read() == editorconfig
+        with open(".editorconfig", "rb") as f:
             new_response = requests.post(url, f).content
         assert original_response == new_response
 

tests/integration/test_stubs.py

@@ -2,10 +2,10 @@ import http.client as httplib
 import json
 import zlib
 
-from assertions import assert_is_json
-
 import vcr
 
+from ..assertions import assert_is_json_bytes
+
 
 def _headers_are_case_insensitive(host, port):
     conn = httplib.HTTPConnection(host, port)
@@ -66,7 +66,7 @@ def test_original_decoded_response_is_not_modified(tmpdir, httpbin):
 
         # Assert that we do not modify the original response while appending
         # to the cassette.
-        assert "gzip" == inside.headers["content-encoding"]
+        assert inside.headers["content-encoding"] == "gzip"
 
         # They should effectively be the same response.
         inside_headers = (h for h in inside.headers.items() if h[0].lower() != "date")
@@ -84,7 +84,7 @@ def test_original_decoded_response_is_not_modified(tmpdir, httpbin):
         inside = conn.getresponse()
 
         assert "content-encoding" not in inside.headers
-        assert_is_json(inside.read())
+        assert_is_json_bytes(inside.read())
 
 
 def _make_before_record_response(fields, replacement="[REDACTED]"):
@@ -120,9 +120,9 @@ def test_original_response_is_not_modified_by_before_filter(tmpdir, httpbin):
 
         # The scrubbed field should be the same, because no cassette existed.
         # Furthermore, the responses should be identical.
-        inside_body = json.loads(inside.read().decode("utf-8"))
-        outside_body = json.loads(outside.read().decode("utf-8"))
-        assert not inside_body[field_to_scrub] == replacement
+        inside_body = json.loads(inside.read())
+        outside_body = json.loads(outside.read())
+        assert inside_body[field_to_scrub] != replacement
         assert inside_body[field_to_scrub] == outside_body[field_to_scrub]
 
     # Ensure that when a cassette exists, the scrubbed response is returned.
@@ -131,5 +131,5 @@ def test_original_response_is_not_modified_by_before_filter(tmpdir, httpbin):
         conn.request("GET", "/get")
         inside = conn.getresponse()
 
-        inside_body = json.loads(inside.read().decode("utf-8"))
+        inside_body = json.loads(inside.read())
         assert inside_body[field_to_scrub] == replacement

tests/integration/test_tornado.py

@@ -1,33 +1,60 @@
-# -*- coding: utf-8 -*-
 """Test requests' interaction with vcr"""
 
+import asyncio
+import functools
+import inspect
 import json
+import os
+import ssl
 
 import pytest
-from assertions import assert_cassette_empty, assert_is_json
 
 import vcr
 from vcr.errors import CannotOverwriteExistingCassetteException
 
+from ..assertions import assert_cassette_empty, assert_is_json_bytes
+
 tornado = pytest.importorskip("tornado")
+gen = pytest.importorskip("tornado.gen")
 http = pytest.importorskip("tornado.httpclient")
 
 # whether the current version of Tornado supports the raise_error argument for
 # fetch().
 supports_raise_error = tornado.version_info >= (4,)
+raise_error_for_response_code_only = tornado.version_info >= (6,)
+
+
+def gen_test(func):
+    @functools.wraps(func)
+    def wrapper(*args, **kwargs):
+        async def coro():
+            return await gen.coroutine(func)(*args, **kwargs)
+
+        return asyncio.run(coro())
+
+    # Patch the signature so pytest can inject fixtures
+    # we can't use wrapt.decorator because it returns a generator function
+    wrapper.__signature__ = inspect.signature(func)
+    return wrapper
 
 
 @pytest.fixture(params=["simple", "curl", "default"])
 def get_client(request):
+    ca_bundle_path = os.environ.get("REQUESTS_CA_BUNDLE")
+    ssl_ctx = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
+    ssl_ctx.load_verify_locations(cafile=ca_bundle_path)
+    ssl_ctx.verify_mode = ssl.CERT_REQUIRED
+
     if request.param == "simple":
         from tornado import simple_httpclient as simple
 
-        return lambda: simple.SimpleAsyncHTTPClient()
-    elif request.param == "curl":
+        return lambda: simple.SimpleAsyncHTTPClient(defaults={"ssl_options": ssl_ctx})
+
+    if request.param == "curl":
         curl = pytest.importorskip("tornado.curl_httpclient")
-        return lambda: curl.CurlAsyncHTTPClient()
-    else:
-        return lambda: http.AsyncHTTPClient()
+        return lambda: curl.CurlAsyncHTTPClient(defaults={"ca_certs": ca_bundle_path})
+
+    return lambda: http.AsyncHTTPClient(defaults={"ssl_options": ssl_ctx})
 
 
 def get(client, url, **kwargs):
@@ -44,61 +71,65 @@ def post(client, url, data=None, **kwargs):
     return client.fetch(http.HTTPRequest(url, method="POST", **kwargs))
 
 
-@pytest.mark.gen_test
-def test_status_code(get_client, scheme, tmpdir):
+@pytest.mark.online
+@gen_test
+def test_status_code(get_client, tmpdir, httpbin_both):
     """Ensure that we can read the status code"""
-    url = scheme + "://httpbin.org/"
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join("atts.yaml"))):
         status_code = (yield get(get_client(), url)).code
 
     with vcr.use_cassette(str(tmpdir.join("atts.yaml"))) as cass:
         assert status_code == (yield get(get_client(), url)).code
-        assert 1 == cass.play_count
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_headers(get_client, scheme, tmpdir):
+@pytest.mark.online
+@gen_test
+def test_headers(get_client, httpbin_both, tmpdir):
     """Ensure that we can read the headers back"""
-    url = scheme + "://httpbin.org/"
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
         headers = (yield get(get_client(), url)).headers
 
     with vcr.use_cassette(str(tmpdir.join("headers.yaml"))) as cass:
         assert headers == (yield get(get_client(), url)).headers
-        assert 1 == cass.play_count
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_body(get_client, tmpdir, scheme):
+@pytest.mark.online
+@gen_test
+def test_body(get_client, tmpdir, httpbin_both):
     """Ensure the responses are all identical enough"""
 
-    url = scheme + "://httpbin.org/bytes/1024"
+    url = httpbin_both.url + "/bytes/1024"
     with vcr.use_cassette(str(tmpdir.join("body.yaml"))):
         content = (yield get(get_client(), url)).body
 
     with vcr.use_cassette(str(tmpdir.join("body.yaml"))) as cass:
         assert content == (yield get(get_client(), url)).body
-        assert 1 == cass.play_count
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_effective_url(get_client, scheme, tmpdir):
+@gen_test
+def test_effective_url(get_client, tmpdir, httpbin):
     """Ensure that the effective_url is captured"""
-    url = scheme + "://mockbin.org/redirect/301?url=/html"
+    url = httpbin.url + "/redirect/1"
     with vcr.use_cassette(str(tmpdir.join("url.yaml"))):
         effective_url = (yield get(get_client(), url)).effective_url
-        assert effective_url == scheme + "://mockbin.org/redirect/301/0"
+        assert effective_url == httpbin.url + "/get"
 
     with vcr.use_cassette(str(tmpdir.join("url.yaml"))) as cass:
         assert effective_url == (yield get(get_client(), url)).effective_url
-        assert 1 == cass.play_count
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_auth(get_client, tmpdir, scheme):
+@pytest.mark.online
+@gen_test
+def test_auth(get_client, tmpdir, httpbin_both):
     """Ensure that we can handle basic auth"""
     auth = ("user", "passwd")
-    url = scheme + "://httpbin.org/basic-auth/user/passwd"
+    url = httpbin_both.url + "/basic-auth/user/passwd"
     with vcr.use_cassette(str(tmpdir.join("auth.yaml"))):
         one = yield get(get_client(), url, auth_username=auth[0], auth_password=auth[1])
 
@@ -106,14 +137,15 @@ def test_auth(get_client, tmpdir, scheme):
         two = yield get(get_client(), url, auth_username=auth[0], auth_password=auth[1])
         assert one.body == two.body
         assert one.code == two.code
-        assert 1 == cass.play_count
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_auth_failed(get_client, tmpdir, scheme):
+@pytest.mark.online
+@gen_test
+def test_auth_failed(get_client, tmpdir, httpbin_both):
     """Ensure that we can save failed auth statuses"""
     auth = ("user", "wrongwrongwrong")
-    url = scheme + "://httpbin.org/basic-auth/user/passwd"
+    url = httpbin_both.url + "/basic-auth/user/passwd"
     with vcr.use_cassette(str(tmpdir.join("auth-failed.yaml"))) as cass:
         # Ensure that this is empty to begin with
         assert_cassette_empty(cass)
@@ -129,14 +161,15 @@ def test_auth_failed(get_client, tmpdir, scheme):
         assert exc_info.value.code == 401
         assert one.body == two.body
         assert one.code == two.code == 401
-        assert 1 == cass.play_count
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_post(get_client, tmpdir, scheme):
+@pytest.mark.online
+@gen_test
+def test_post(get_client, tmpdir, httpbin_both):
     """Ensure that we can post and cache the results"""
     data = {"key1": "value1", "key2": "value2"}
-    url = scheme + "://httpbin.org/post"
+    url = httpbin_both.url + "/post"
     with vcr.use_cassette(str(tmpdir.join("requests.yaml"))):
         req1 = (yield post(get_client(), url, data)).body
 
@@ -144,13 +177,13 @@ def test_post(get_client, tmpdir, scheme):
         req2 = (yield post(get_client(), url, data)).body
 
     assert req1 == req2
-    assert 1 == cass.play_count
+    assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_redirects(get_client, tmpdir, scheme):
+@gen_test
+def test_redirects(get_client, tmpdir, httpbin):
     """Ensure that we can handle redirects"""
-    url = scheme + "://mockbin.org/redirect/301?url=bytes/1024"
+    url = httpbin + "/redirect-to?url=bytes/1024&status_code=301"
     with vcr.use_cassette(str(tmpdir.join("requests.yaml"))):
         content = (yield get(get_client(), url)).body
 
@@ -159,32 +192,38 @@ def test_redirects(get_client, tmpdir, scheme):
         assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_cross_scheme(get_client, tmpdir, scheme):
+@pytest.mark.online
+@gen_test
+def test_cross_scheme(get_client, tmpdir, httpbin, httpbin_secure):
     """Ensure that requests between schemes are treated separately"""
     # First fetch a url under http, and then again under https and then
     # ensure that we haven't served anything out of cache, and we have two
     # requests / response pairs in the cassette
+
+    url = httpbin.url
+    url_secure = httpbin_secure.url
+
     with vcr.use_cassette(str(tmpdir.join("cross_scheme.yaml"))) as cass:
-        yield get(get_client(), "https://httpbin.org/")
-        yield get(get_client(), "http://httpbin.org/")
+        yield get(get_client(), url)
+        yield get(get_client(), url_secure)
         assert cass.play_count == 0
         assert len(cass) == 2
 
     # Then repeat the same requests and ensure both were replayed.
     with vcr.use_cassette(str(tmpdir.join("cross_scheme.yaml"))) as cass:
-        yield get(get_client(), "https://httpbin.org/")
-        yield get(get_client(), "http://httpbin.org/")
+        yield get(get_client(), url)
+        yield get(get_client(), url_secure)
         assert cass.play_count == 2
 
 
-@pytest.mark.gen_test
-def test_gzip(get_client, tmpdir, scheme):
+@pytest.mark.online
+@gen_test
+def test_gzip(get_client, tmpdir, httpbin_both):
     """
     Ensure that httpclient is able to automatically decompress the response
     body
     """
-    url = scheme + "://httpbin.org/gzip"
+    url = httpbin_both + "/gzip"
 
     # use_gzip was renamed to decompress_response in 4.0
     kwargs = {}
@@ -195,36 +234,39 @@ def test_gzip(get_client, tmpdir, scheme):
 
     with vcr.use_cassette(str(tmpdir.join("gzip.yaml"))):
         response = yield get(get_client(), url, **kwargs)
-        assert_is_json(response.body)
+        assert_is_json_bytes(response.body)
 
     with vcr.use_cassette(str(tmpdir.join("gzip.yaml"))) as cass:
         response = yield get(get_client(), url, **kwargs)
-        assert_is_json(response.body)
-        assert 1 == cass.play_count
+        assert_is_json_bytes(response.body)
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_https_with_cert_validation_disabled(get_client, tmpdir):
+@pytest.mark.online
+@gen_test
+def test_https_with_cert_validation_disabled(get_client, tmpdir, httpbin_secure):
     cass_path = str(tmpdir.join("cert_validation_disabled.yaml"))
 
+    url = httpbin_secure.url
+
     with vcr.use_cassette(cass_path):
-        yield get(get_client(), "https://httpbin.org", validate_cert=False)
+        yield get(get_client(), url, validate_cert=False)
 
     with vcr.use_cassette(cass_path) as cass:
-        yield get(get_client(), "https://httpbin.org", validate_cert=False)
-        assert 1 == cass.play_count
+        yield get(get_client(), url, validate_cert=False)
+        assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_unsupported_features_raises_in_future(get_client, tmpdir):
+@gen_test
+def test_unsupported_features_raises_in_future(get_client, tmpdir, httpbin):
     """Ensure that the exception for an AsyncHTTPClient feature not being
     supported is raised inside the future."""
 
     def callback(chunk):
-        assert False, "Did not expect to be called."
+        raise AssertionError("Did not expect to be called.")
 
     with vcr.use_cassette(str(tmpdir.join("invalid.yaml"))):
-        future = get(get_client(), "http://httpbin.org", streaming_callback=callback)
+        future = get(get_client(), httpbin.url, streaming_callback=callback)
 
     with pytest.raises(Exception) as excinfo:
         yield future
@@ -233,60 +275,76 @@ def test_unsupported_features_raises_in_future(get_client, tmpdir):
 
 
 @pytest.mark.skipif(not supports_raise_error, reason="raise_error unavailable in tornado <= 3")
-@pytest.mark.gen_test
+@pytest.mark.skipif(
+    raise_error_for_response_code_only,
+    reason="raise_error only ignores HTTPErrors due to response code",
+)
+@gen_test
 def test_unsupported_features_raise_error_disabled(get_client, tmpdir):
     """Ensure that the exception for an AsyncHTTPClient feature not being
     supported is not raised if raise_error=False."""
 
     def callback(chunk):
-        assert False, "Did not expect to be called."
+        raise AssertionError("Did not expect to be called.")
 
     with vcr.use_cassette(str(tmpdir.join("invalid.yaml"))):
         response = yield get(
-            get_client(), "http://httpbin.org", streaming_callback=callback, raise_error=False
+            get_client(),
+            "http://httpbin.org",
+            streaming_callback=callback,
+            raise_error=False,
         )
 
     assert "not yet supported by VCR" in str(response.error)
 
 
-@pytest.mark.gen_test
-def test_cannot_overwrite_cassette_raises_in_future(get_client, tmpdir):
+@pytest.mark.online
+@gen_test
+def test_cannot_overwrite_cassette_raises_in_future(get_client, tmpdir, httpbin):
     """Ensure that CannotOverwriteExistingCassetteException is raised inside
     the future."""
 
-    with vcr.use_cassette(str(tmpdir.join("overwrite.yaml"))):
-        yield get(get_client(), "http://httpbin.org/get")
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("overwrite.yaml"))):
-        future = get(get_client(), "http://httpbin.org/headers")
+        yield get(get_client(), url + "/get")
+
+    with vcr.use_cassette(str(tmpdir.join("overwrite.yaml"))):
+        future = get(get_client(), url + "/headers")
 
     with pytest.raises(CannotOverwriteExistingCassetteException):
         yield future
 
 
 @pytest.mark.skipif(not supports_raise_error, reason="raise_error unavailable in tornado <= 3")
-@pytest.mark.gen_test
-def test_cannot_overwrite_cassette_raise_error_disabled(get_client, tmpdir):
+@pytest.mark.skipif(
+    raise_error_for_response_code_only,
+    reason="raise_error only ignores HTTPErrors due to response code",
+)
+@gen_test
+def test_cannot_overwrite_cassette_raise_error_disabled(get_client, tmpdir, httpbin):
     """Ensure that CannotOverwriteExistingCassetteException is not raised if
     raise_error=False in the fetch() call."""
 
-    with vcr.use_cassette(str(tmpdir.join("overwrite.yaml"))):
-        yield get(get_client(), "http://httpbin.org/get", raise_error=False)
+    url = httpbin.url
 
     with vcr.use_cassette(str(tmpdir.join("overwrite.yaml"))):
-        response = yield get(get_client(), "http://httpbin.org/headers", raise_error=False)
+        yield get(get_client(), url + "/get", raise_error=False)
+
+    with vcr.use_cassette(str(tmpdir.join("overwrite.yaml"))):
+        response = yield get(get_client(), url + "/headers", raise_error=False)
 
     assert isinstance(response.error, CannotOverwriteExistingCassetteException)
 
 
-@pytest.mark.gen_test
+@gen_test
 @vcr.use_cassette(path_transformer=vcr.default_vcr.ensure_suffix(".yaml"))
 def test_tornado_with_decorator_use_cassette(get_client):
     response = yield get_client().fetch(http.HTTPRequest("http://www.google.com/", method="GET"))
     assert response.body.decode("utf-8") == "not actually google"
 
 
-@pytest.mark.gen_test
+@gen_test
 @vcr.use_cassette(path_transformer=vcr.default_vcr.ensure_suffix(".yaml"))
 def test_tornado_exception_can_be_caught(get_client):
     try:
@@ -300,45 +358,53 @@ def test_tornado_exception_can_be_caught(get_client):
         assert e.code == 404
 
 
-@pytest.mark.gen_test
-def test_existing_references_get_patched(tmpdir):
+@pytest.mark.online
+@gen_test
+def test_existing_references_get_patched(tmpdir, httpbin):
     from tornado.httpclient import AsyncHTTPClient
 
+    url = httpbin.url + "/get"
+
     with vcr.use_cassette(str(tmpdir.join("data.yaml"))):
         client = AsyncHTTPClient()
-        yield get(client, "http://httpbin.org/get")
+        yield get(client, url)
 
     with vcr.use_cassette(str(tmpdir.join("data.yaml"))) as cass:
-        yield get(client, "http://httpbin.org/get")
+        yield get(client, url)
         assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_existing_instances_get_patched(get_client, tmpdir):
+@pytest.mark.online
+@gen_test
+def test_existing_instances_get_patched(get_client, tmpdir, httpbin):
     """Ensure that existing instances of AsyncHTTPClient get patched upon
     entering VCR context."""
 
+    url = httpbin.url + "/get"
     client = get_client()
 
     with vcr.use_cassette(str(tmpdir.join("data.yaml"))):
-        yield get(client, "http://httpbin.org/get")
+        yield get(client, url)
 
     with vcr.use_cassette(str(tmpdir.join("data.yaml"))) as cass:
-        yield get(client, "http://httpbin.org/get")
+        yield get(client, url)
         assert cass.play_count == 1
 
 
-@pytest.mark.gen_test
-def test_request_time_is_set(get_client, tmpdir):
+@pytest.mark.online
+@gen_test
+def test_request_time_is_set(get_client, tmpdir, httpbin):
     """Ensures that the request_time on HTTPResponses is set."""
 
+    url = httpbin.url + "/get"
+
     with vcr.use_cassette(str(tmpdir.join("data.yaml"))):
         client = get_client()
-        response = yield get(client, "http://httpbin.org/get")
+        response = yield get(client, url)
         assert response.request_time is not None
 
     with vcr.use_cassette(str(tmpdir.join("data.yaml"))) as cass:
         client = get_client()
-        response = yield get(client, "http://httpbin.org/get")
+        response = yield get(client, url)
         assert response.request_time is not None
         assert cass.play_count == 1

tests/integration/test_urllib2.py

@@ -1,147 +0,0 @@
-# -*- coding: utf-8 -*-
-"""Integration tests with urllib2"""
-
-import ssl
-from urllib.parse import urlencode
-from urllib.request import urlopen
-
-import pytest_httpbin.certs
-from assertions import assert_cassette_has_one_response
-from pytest import mark
-
-# Internal imports
-import vcr
-
-
-def urlopen_with_cafile(*args, **kwargs):
-    context = ssl.create_default_context(cafile=pytest_httpbin.certs.where())
-    context.check_hostname = False
-    kwargs["context"] = context
-    try:
-        return urlopen(*args, **kwargs)
-    except TypeError:
-        # python2/pypi don't let us override this
-        del kwargs["cafile"]
-        return urlopen(*args, **kwargs)
-
-
-def test_response_code(httpbin_both, tmpdir):
-    """Ensure we can read a response code from a fetch"""
-    url = httpbin_both.url
-    with vcr.use_cassette(str(tmpdir.join("atts.yaml"))):
-        code = urlopen_with_cafile(url).getcode()
-
-    with vcr.use_cassette(str(tmpdir.join("atts.yaml"))):
-        assert code == urlopen_with_cafile(url).getcode()
-
-
-def test_random_body(httpbin_both, tmpdir):
-    """Ensure we can read the content, and that it's served from cache"""
-    url = httpbin_both.url + "/bytes/1024"
-    with vcr.use_cassette(str(tmpdir.join("body.yaml"))):
-        body = urlopen_with_cafile(url).read()
-
-    with vcr.use_cassette(str(tmpdir.join("body.yaml"))):
-        assert body == urlopen_with_cafile(url).read()
-
-
-def test_response_headers(httpbin_both, tmpdir):
-    """Ensure we can get information from the response"""
-    url = httpbin_both.url
-    with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
-        open1 = urlopen_with_cafile(url).info().items()
-
-    with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
-        open2 = urlopen_with_cafile(url).info().items()
-
-        assert sorted(open1) == sorted(open2)
-
-
-@mark.online
-def test_effective_url(tmpdir):
-    """Ensure that the effective_url is captured"""
-    url = "http://mockbin.org/redirect/301"
-
-    with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
-        effective_url = urlopen_with_cafile(url).geturl()
-        assert effective_url == "http://mockbin.org/redirect/301/0"
-
-    with vcr.use_cassette(str(tmpdir.join("headers.yaml"))):
-        assert effective_url == urlopen_with_cafile(url).geturl()
-
-
-def test_multiple_requests(httpbin_both, tmpdir):
-    """Ensure that we can cache multiple requests"""
-    urls = [httpbin_both.url, httpbin_both.url, httpbin_both.url + "/get", httpbin_both.url + "/bytes/1024"]
-    with vcr.use_cassette(str(tmpdir.join("multiple.yaml"))) as cass:
-        [urlopen_with_cafile(url) for url in urls]
-    assert len(cass) == len(urls)
-
-
-def test_get_data(httpbin_both, tmpdir):
-    """Ensure that it works with query data"""
-    data = urlencode({"some": 1, "data": "here"})
-    url = httpbin_both.url + "/get?" + data
-    with vcr.use_cassette(str(tmpdir.join("get_data.yaml"))):
-        res1 = urlopen_with_cafile(url).read()
-
-    with vcr.use_cassette(str(tmpdir.join("get_data.yaml"))):
-        res2 = urlopen_with_cafile(url).read()
-    assert res1 == res2
-
-
-def test_post_data(httpbin_both, tmpdir):
-    """Ensure that it works when posting data"""
-    data = urlencode({"some": 1, "data": "here"}).encode("utf-8")
-    url = httpbin_both.url + "/post"
-    with vcr.use_cassette(str(tmpdir.join("post_data.yaml"))):
-        res1 = urlopen_with_cafile(url, data).read()
-
-    with vcr.use_cassette(str(tmpdir.join("post_data.yaml"))) as cass:
-        res2 = urlopen_with_cafile(url, data).read()
-        assert len(cass) == 1
-
-    assert res1 == res2
-    assert_cassette_has_one_response(cass)
-
-
-def test_post_unicode_data(httpbin_both, tmpdir):
-    """Ensure that it works when posting unicode data"""
-    data = urlencode({"snowman": "☃".encode()}).encode("utf-8")
-    url = httpbin_both.url + "/post"
-    with vcr.use_cassette(str(tmpdir.join("post_data.yaml"))):
-        res1 = urlopen_with_cafile(url, data).read()
-
-    with vcr.use_cassette(str(tmpdir.join("post_data.yaml"))) as cass:
-        res2 = urlopen_with_cafile(url, data).read()
-        assert len(cass) == 1
-
-    assert res1 == res2
-    assert_cassette_has_one_response(cass)
-
-
-def test_cross_scheme(tmpdir, httpbin_secure, httpbin):
-    """Ensure that requests between schemes are treated separately"""
-    # First fetch a url under https, and then again under https and then
-    # ensure that we haven't served anything out of cache, and we have two
-    # requests / response pairs in the cassette
-    with vcr.use_cassette(str(tmpdir.join("cross_scheme.yaml"))) as cass:
-        urlopen_with_cafile(httpbin_secure.url)
-        urlopen_with_cafile(httpbin.url)
-        assert len(cass) == 2
-        assert cass.play_count == 0
-
-
-def test_decorator(httpbin_both, tmpdir):
-    """Test the decorator version of VCR.py"""
-    url = httpbin_both.url
-
-    @vcr.use_cassette(str(tmpdir.join("atts.yaml")))
-    def inner1():
-        return urlopen_with_cafile(url).getcode()
-
-    @vcr.use_cassette(str(tmpdir.join("atts.yaml")))
-    def inner2():
-        return urlopen_with_cafile(url).getcode()
-
-    assert inner1() == inner2()

tests/integration/test_urllib3.py

@@ -4,19 +4,21 @@
 
 import pytest
 import pytest_httpbin
-from assertions import assert_cassette_empty, assert_is_json
 
 import vcr
 from vcr.patch import force_reset
 from vcr.stubs.compat import get_headers
 
+from ..assertions import assert_cassette_empty, assert_is_json_bytes
+
 urllib3 = pytest.importorskip("urllib3")
 
 
 @pytest.fixture(scope="module")
 def verify_pool_mgr():
     return urllib3.PoolManager(
-        cert_reqs="CERT_REQUIRED", ca_certs=pytest_httpbin.certs.where()  # Force certificate check.
+        cert_reqs="CERT_REQUIRED",
+        ca_certs=pytest_httpbin.certs.where(),  # Force certificate check.
     )
 
 
@@ -98,9 +100,9 @@ def test_post(tmpdir, httpbin_both, verify_pool_mgr):
 
 
 @pytest.mark.online
-def test_redirects(tmpdir, verify_pool_mgr):
+def test_redirects(tmpdir, verify_pool_mgr, httpbin):
     """Ensure that we can handle redirects"""
-    url = "http://mockbin.org/redirect/301"
+    url = httpbin.url + "/redirect/1"
 
     with vcr.use_cassette(str(tmpdir.join("verify_pool_mgr.yaml"))):
         content = verify_pool_mgr.request("GET", url).data
@@ -136,10 +138,10 @@ def test_gzip(tmpdir, httpbin_both, verify_pool_mgr):
 
     with vcr.use_cassette(str(tmpdir.join("gzip.yaml"))):
         response = verify_pool_mgr.request("GET", url)
-        assert_is_json(response.data)
+        assert_is_json_bytes(response.data)
 
     with vcr.use_cassette(str(tmpdir.join("gzip.yaml"))):
-        assert_is_json(response.data)
+        assert_is_json_bytes(response.data)
 
 
 def test_https_with_cert_validation_disabled(tmpdir, httpbin_secure, pool_mgr):

tests/integration/test_wild.py

@@ -5,9 +5,9 @@ from xmlrpc.server import SimpleXMLRPCServer
 
 import pytest
 
-requests = pytest.importorskip("requests")
+import vcr
 
-import vcr  # NOQA
+requests = pytest.importorskip("requests")
 
 
 def test_domain_redirect():
@@ -62,8 +62,7 @@ def test_flickr_should_respond_with_200(tmpdir):
 
 def test_cookies(tmpdir, httpbin):
     testfile = str(tmpdir.join("cookies.yml"))
-    with vcr.use_cassette(testfile):
-        s = requests.Session()
+    with vcr.use_cassette(testfile), requests.Session() as s:
         s.get(httpbin.url + "/cookies/set?k1=v1&k2=v2")
         assert s.cookies.keys() == ["k1", "k2"]
 

tests/unit/test_cassettes.py

@@ -11,6 +11,7 @@ import yaml
 from vcr.cassette import Cassette
 from vcr.errors import UnhandledHTTPRequestError
 from vcr.patch import force_reset
+from vcr.request import Request
 from vcr.stubs import VCRHTTPSConnection
 
 
@@ -20,15 +21,31 @@ def test_cassette_load(tmpdir):
         yaml.dump(
             {
                 "interactions": [
-                    {"request": {"body": "", "uri": "foo", "method": "GET", "headers": {}}, "response": "bar"}
-                ]
-            }
-        )
+                    {
+                        "request": {"body": "", "uri": "foo", "method": "GET", "headers": {}},
+                        "response": "bar",
+                    },
+                ],
+            },
+        ),
     )
     a_cassette = Cassette.load(path=str(a_file))
     assert len(a_cassette) == 1
 
 
+def test_cassette_load_nonexistent():
+    a_cassette = Cassette.load(path="something/nonexistent.yml")
+    assert len(a_cassette) == 0
+
+
+def test_cassette_load_invalid_encoding(tmpdir):
+    a_file = tmpdir.join("invalid_encoding.yml")
+    with open(a_file, "wb") as fd:
+        fd.write(b"\xda")
+    a_cassette = Cassette.load(path=str(a_file))
+    assert len(a_cassette) == 0
+
+
 def test_cassette_not_played():
     a = Cassette("test")
     assert not a.play_count
@@ -97,7 +114,7 @@ def make_get_request():
 @mock.patch("vcr.stubs.VCRHTTPResponse")
 def test_function_decorated_with_use_cassette_can_be_invoked_multiple_times(*args):
     decorated_function = Cassette.use(path="test")(make_get_request)
-    for i in range(4):
+    for _ in range(4):
         decorated_function()
 
 
@@ -143,7 +160,7 @@ def test_cassette_allow_playback_repeats():
     a = Cassette("test", allow_playback_repeats=True)
     a.append("foo", "bar")
     a.append("other", "resp")
-    for x in range(10):
+    for _ in range(10):
         assert a.play_response("foo") == "bar"
     assert a.play_count == 10
     assert a.all_played is False
@@ -205,14 +222,16 @@ def test_nesting_cassette_context_managers(*args):
     with contextlib.ExitStack() as exit_stack:
         first_cassette = exit_stack.enter_context(Cassette.use(path="test"))
         exit_stack.enter_context(
-            mock.patch.object(first_cassette, "play_response", return_value=first_response)
+            mock.patch.object(first_cassette, "play_response", return_value=first_response),
         )
         assert_get_response_body_is("first_response")
 
         # Make sure a second cassette can supersede the first
-        with Cassette.use(path="test") as second_cassette:
-            with mock.patch.object(second_cassette, "play_response", return_value=second_response):
-                assert_get_response_body_is("second_response")
+        with (
+            Cassette.use(path="test") as second_cassette,
+            mock.patch.object(second_cassette, "play_response", return_value=second_response),
+        ):
+            assert_get_response_body_is("second_response")
 
         # Now the first cassette should be back in effect
         assert_get_response_body_is("first_response")
@@ -394,3 +413,25 @@ def test_find_requests_with_most_matches_many_similar_requests(mock_get_matchers
         (1, ["method", "path"], [("query", "failed : query")]),
         (3, ["method", "path"], [("query", "failed : query")]),
     ]
+
+
+def test_used_interactions(tmpdir):
+    interactions = [
+        {"request": {"body": "", "uri": "foo1", "method": "GET", "headers": {}}, "response": "bar1"},
+        {"request": {"body": "", "uri": "foo2", "method": "GET", "headers": {}}, "response": "bar2"},
+        {"request": {"body": "", "uri": "foo3", "method": "GET", "headers": {}}, "response": "bar3"},
+    ]
+    file = tmpdir.join("test_cassette.yml")
+    file.write(yaml.dump({"interactions": [interactions[0], interactions[1]]}))
+
+    cassette = Cassette.load(path=str(file))
+    request = Request._from_dict(interactions[1]["request"])
+    cassette.play_response(request)
+    assert len(cassette._played_interactions) < len(cassette._old_interactions)
+
+    request = Request._from_dict(interactions[2]["request"])
+    cassette.append(request, interactions[2]["response"])
+    assert len(cassette._new_interactions()) == 1
+
+    used_interactions = cassette._played_interactions + cassette._new_interactions()
+    assert len(used_interactions) == 2

tests/unit/test_errors.py

@@ -55,15 +55,18 @@ from vcr.cassette import Cassette
     ],
 )
 def test_CannotOverwriteExistingCassetteException_get_message(
-    mock_find_requests_with_most_matches, most_matches, expected_message
+    mock_find_requests_with_most_matches,
+    most_matches,
+    expected_message,
 ):
     mock_find_requests_with_most_matches.return_value = most_matches
     cassette = Cassette("path")
     failed_request = "request"
     exception_message = errors.CannotOverwriteExistingCassetteException._get_message(cassette, "request")
     expected = (
-        "Can't overwrite existing cassette (%r) in your current record mode (%r).\n"
-        "No match for the request (%r) was found.\n"
-        "%s" % (cassette._path, cassette.record_mode, failed_request, expected_message)
+        f"Can't overwrite existing cassette ({cassette._path!r}) "
+        f"in your current record mode ({cassette.record_mode!r}).\n"
+        f"No match for the request ({failed_request!r}) was found.\n"
+        f"{expected_message}"
     )
     assert exception_message == expected

tests/unit/test_filters.py

@@ -197,7 +197,7 @@ def test_replace_json_post_data_parameters():
             ("six", "doesntexist"),
         ],
     )
-    request_data = json.loads(request.body.decode("utf-8"))
+    request_data = json.loads(request.body)
     expected_data = json.loads('{"one": "keep", "three": "tada", "four": "SHOUT"}')
     assert request_data == expected_data
 
@@ -208,8 +208,8 @@ def test_remove_json_post_data_parameters():
     request = Request("POST", "http://google.com", body, {})
     request.headers["Content-Type"] = "application/json"
     remove_post_data_parameters(request, ["id"])
-    request_body_json = json.loads(request.body.decode("utf-8"))
-    expected_json = json.loads(b'{"foo": "bar", "baz": "qux"}'.decode("utf-8"))
+    request_body_json = json.loads(request.body)
+    expected_json = json.loads(b'{"foo": "bar", "baz": "qux"}')
     assert request_body_json == expected_json
 
 

tests/unit/test_matchers.py

@@ -63,6 +63,9 @@ boto3_bytes_headers = {
     "Expect": b"100-continue",
     "Content-Length": "21",
 }
+chunked_headers = {
+    "Transfer-Encoding": "chunked",
+}
 
 
 @pytest.mark.parametrize(
@@ -74,10 +77,16 @@ boto3_bytes_headers = {
         ),
         (
             request.Request(
-                "POST", "http://host.com/", "a=1&b=2", {"Content-Type": "application/x-www-form-urlencoded"}
+                "POST",
+                "http://host.com/",
+                "a=1&b=2",
+                {"Content-Type": "application/x-www-form-urlencoded"},
             ),
             request.Request(
-                "POST", "http://host.com/", "b=2&a=1", {"Content-Type": "application/x-www-form-urlencoded"}
+                "POST",
+                "http://host.com/",
+                "b=2&a=1",
+                {"Content-Type": "application/x-www-form-urlencoded"},
             ),
         ),
         (
@@ -86,23 +95,38 @@ boto3_bytes_headers = {
         ),
         (
             request.Request(
-                "POST", "http://host.com/", "a=1&b=2", {"Content-Type": "application/x-www-form-urlencoded"}
+                "POST",
+                "http://host.com/",
+                "a=1&b=2",
+                {"Content-Type": "application/x-www-form-urlencoded"},
             ),
             request.Request(
-                "POST", "http://host.com/", "b=2&a=1", {"Content-Type": "application/x-www-form-urlencoded"}
+                "POST",
+                "http://host.com/",
+                "b=2&a=1",
+                {"Content-Type": "application/x-www-form-urlencoded"},
             ),
         ),
         (
             request.Request(
-                "POST", "http://host.com/", '{"a": 1, "b": 2}', {"Content-Type": "application/json"}
+                "POST",
+                "http://host.com/",
+                '{"a": 1, "b": 2}',
+                {"Content-Type": "application/json"},
             ),
             request.Request(
-                "POST", "http://host.com/", '{"b": 2, "a": 1}', {"content-type": "application/json"}
+                "POST",
+                "http://host.com/",
+                '{"b": 2, "a": 1}',
+                {"content-type": "application/json"},
             ),
         ),
         (
             request.Request(
-                "POST", "http://host.com/", req1_body, {"User-Agent": "xmlrpclib", "Content-Type": "text/xml"}
+                "POST",
+                "http://host.com/",
+                req1_body,
+                {"User-Agent": "xmlrpclib", "Content-Type": "text/xml"},
             ),
             request.Request(
                 "POST",
@@ -113,10 +137,16 @@ boto3_bytes_headers = {
         ),
         (
             request.Request(
-                "POST", "http://host.com/", '{"a": 1, "b": 2}', {"Content-Type": "application/json"}
+                "POST",
+                "http://host.com/",
+                '{"a": 1, "b": 2}',
+                {"Content-Type": "application/json"},
             ),
             request.Request(
-                "POST", "http://host.com/", '{"b": 2, "a": 1}', {"content-type": "application/json"}
+                "POST",
+                "http://host.com/",
+                '{"b": 2, "a": 1}',
+                {"content-type": "application/json"},
             ),
         ),
         (
@@ -124,6 +154,36 @@ boto3_bytes_headers = {
             request.Request("POST", "http://aws.custom.com/", b"123", boto3_bytes_headers),
             request.Request("POST", "http://aws.custom.com/", b"123", boto3_bytes_headers),
         ),
+        (
+            # chunked transfer encoding: decoded bytes versus encoded bytes
+            request.Request("POST", "scheme1://host1.test/", b"123456789_123456", chunked_headers),
+            request.Request(
+                "GET",
+                "scheme2://host2.test/",
+                b"10\r\n123456789_123456\r\n0\r\n\r\n",
+                chunked_headers,
+            ),
+        ),
+        (
+            # chunked transfer encoding: bytes iterator versus string iterator
+            request.Request(
+                "POST",
+                "scheme1://host1.test/",
+                iter([b"123456789_", b"123456"]),
+                chunked_headers,
+            ),
+            request.Request("GET", "scheme2://host2.test/", iter(["123456789_", "123456"]), chunked_headers),
+        ),
+        (
+            # chunked transfer encoding: bytes iterator versus single byte iterator
+            request.Request(
+                "POST",
+                "scheme1://host1.test/",
+                iter([b"123456789_", b"123456"]),
+                chunked_headers,
+            ),
+            request.Request("GET", "scheme2://host2.test/", iter(b"123456789_123456"), chunked_headers),
+        ),
     ],
 )
 def test_body_matcher_does_match(r1, r2):
@@ -139,10 +199,16 @@ def test_body_matcher_does_match(r1, r2):
         ),
         (
             request.Request(
-                "POST", "http://host.com/", '{"a": 1, "b": 3}', {"Content-Type": "application/json"}
+                "POST",
+                "http://host.com/",
+                '{"a": 1, "b": 3}',
+                {"Content-Type": "application/json"},
             ),
             request.Request(
-                "POST", "http://host.com/", '{"b": 2, "a": 1}', {"content-type": "application/json"}
+                "POST",
+                "http://host.com/",
+                '{"b": 2, "a": 1}',
+                {"content-type": "application/json"},
             ),
         ),
         (

tests/unit/test_migration.py

@@ -17,9 +17,9 @@ def test_try_migrate_with_json(tmpdir):
     cassette = tmpdir.join("cassette.json").strpath
     shutil.copy("tests/fixtures/migration/old_cassette.json", cassette)
     assert vcr.migration.try_migrate(cassette)
-    with open("tests/fixtures/migration/new_cassette.json", "r") as f:
+    with open("tests/fixtures/migration/new_cassette.json") as f:
         expected_json = json.load(f)
-    with open(cassette, "r") as f:
+    with open(cassette) as f:
         actual_json = json.load(f)
     assert actual_json == expected_json
 
@@ -28,9 +28,9 @@ def test_try_migrate_with_yaml(tmpdir):
     cassette = tmpdir.join("cassette.yaml").strpath
     shutil.copy("tests/fixtures/migration/old_cassette.yaml", cassette)
     assert vcr.migration.try_migrate(cassette)
-    with open("tests/fixtures/migration/new_cassette.yaml", "r") as f:
+    with open("tests/fixtures/migration/new_cassette.yaml") as f:
         expected_yaml = yaml.load(f, Loader=Loader)
-    with open(cassette, "r") as f:
+    with open(cassette) as f:
         actual_yaml = yaml.load(f, Loader=Loader)
     assert actual_yaml == expected_yaml
 

tests/unit/test_response.py

@@ -1,4 +1,3 @@
-# coding: UTF-8
 import io
 
 from vcr.stubs import VCRHTTPResponse
@@ -89,11 +88,11 @@ def test_response_parses_correctly_and_fp_attribute_error_is_not_thrown():
             b"different types of cancer cells. Recently, the first HDACi was\n      "
             b"approved for the "
             b"treatment of cutaneous T cell lymphomas. Most HDACi currently in\n      "
-            b"clinical "
+            b"clinical ",
         },
     }
     vcr_response = VCRHTTPResponse(recorded_response)
     handle = io.TextIOWrapper(vcr_response, encoding="utf-8")
     handle = iter(handle)
-    articles = [line for line in handle]
+    articles = list(handle)
     assert len(articles) > 1

tests/unit/test_serialize.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 from unittest import mock
 
 import pytest
@@ -9,24 +8,22 @@ from vcr.serializers import compat, jsonserializer, yamlserializer
 
 
 def test_deserialize_old_yaml_cassette():
-    with open("tests/fixtures/migration/old_cassette.yaml", "r") as f:
-        with pytest.raises(ValueError):
-            deserialize(f.read(), yamlserializer)
+    with open("tests/fixtures/migration/old_cassette.yaml") as f, pytest.raises(ValueError):
+        deserialize(f.read(), yamlserializer)
 
 
 def test_deserialize_old_json_cassette():
-    with open("tests/fixtures/migration/old_cassette.json", "r") as f:
-        with pytest.raises(ValueError):
-            deserialize(f.read(), jsonserializer)
+    with open("tests/fixtures/migration/old_cassette.json") as f, pytest.raises(ValueError):
+        deserialize(f.read(), jsonserializer)
 
 
 def test_deserialize_new_yaml_cassette():
-    with open("tests/fixtures/migration/new_cassette.yaml", "r") as f:
+    with open("tests/fixtures/migration/new_cassette.yaml") as f:
         deserialize(f.read(), yamlserializer)
 
 
 def test_deserialize_new_json_cassette():
-    with open("tests/fixtures/migration/new_cassette.json", "r") as f:
+    with open("tests/fixtures/migration/new_cassette.json") as f:
         deserialize(f.read(), jsonserializer)
 
 
@@ -77,7 +74,7 @@ def test_deserialize_py2py3_yaml_cassette(tmpdir, req_body, expect):
     cfile = tmpdir.join("test_cassette.yaml")
     cfile.write(REQBODY_TEMPLATE.format(req_body=req_body))
     with open(str(cfile)) as f:
-        (requests, responses) = deserialize(f.read(), yamlserializer)
+        (requests, _) = deserialize(f.read(), yamlserializer)
     assert requests[0].body == expect
 
 

tests/unit/test_stubs.py

@@ -1,8 +1,12 @@
+import contextlib
+import http.client as httplib
+from io import BytesIO
+from tempfile import NamedTemporaryFile
 from unittest import mock
 
 from pytest import mark
 
-from vcr import mode
+from vcr import mode, use_cassette
 from vcr.cassette import Cassette
 from vcr.stubs import VCRHTTPSConnection
 
@@ -16,7 +20,56 @@ class TestVCRConnection:
     @mark.online
     @mock.patch("vcr.cassette.Cassette.can_play_response_for", return_value=False)
     def testing_connect(*args):
-        vcr_connection = VCRHTTPSConnection("www.google.com")
-        vcr_connection.cassette = Cassette("test", record_mode=mode.ALL)
-        vcr_connection.real_connection.connect()
-        assert vcr_connection.real_connection.sock is not None
+        with contextlib.closing(VCRHTTPSConnection("www.google.com")) as vcr_connection:
+            vcr_connection.cassette = Cassette("test", record_mode=mode.ALL)
+            vcr_connection.real_connection.connect()
+            assert vcr_connection.real_connection.sock is not None
+
+    def test_body_consumed_once_stream(self, tmpdir, httpbin):
+        self._test_body_consumed_once(
+            tmpdir,
+            httpbin,
+            BytesIO(b"1234567890"),
+            BytesIO(b"9876543210"),
+            BytesIO(b"9876543210"),
+        )
+
+    def test_body_consumed_once_iterator(self, tmpdir, httpbin):
+        self._test_body_consumed_once(
+            tmpdir,
+            httpbin,
+            iter([b"1234567890"]),
+            iter([b"9876543210"]),
+            iter([b"9876543210"]),
+        )
+
+    # data2 and data3 should serve the same data, potentially as iterators
+    def _test_body_consumed_once(
+        self,
+        tmpdir,
+        httpbin,
+        data1,
+        data2,
+        data3,
+    ):
+        with NamedTemporaryFile(dir=tmpdir, suffix=".yml") as f:
+            testpath = f.name
+            # NOTE: ``use_cassette`` is not okay with the file existing
+            #       already.  So we using ``.close()`` to not only
+            #       close but also delete the empty file, before we start.
+            f.close()
+            host, port = httpbin.host, httpbin.port
+            match_on = ["method", "uri", "body"]
+            with use_cassette(testpath, match_on=match_on):
+                conn1 = httplib.HTTPConnection(host, port)
+                conn1.request("POST", "/anything", body=data1)
+                conn1.getresponse()
+                conn2 = httplib.HTTPConnection(host, port)
+                conn2.request("POST", "/anything", body=data2)
+                conn2.getresponse()
+            with use_cassette(testpath, match_on=match_on) as cass:
+                conn3 = httplib.HTTPConnection(host, port)
+                conn3.request("POST", "/anything", body=data3)
+                conn3.getresponse()
+            assert cass.play_counts[0] == 0
+            assert cass.play_counts[1] == 1

tests/unit/test_unittest.py

@@ -100,9 +100,9 @@ def test_vcr_kwargs_cassette_dir():
             pass
 
         def _get_vcr_kwargs(self):
-            return dict(
-                record_mode="new_episodes",
-            )
+            return {
+                "record_mode": "new_episodes",
+            }
 
         _get_cassette_library_dir = MagicMock(return_value="/testing")
 
@@ -117,9 +117,9 @@ def test_vcr_kwargs_cassette_dir():
             pass
 
         def _get_vcr_kwargs(self):
-            return dict(
-                cassette_library_dir="/testing",
-            )
+            return {
+                "cassette_library_dir": "/testing",
+            }
 
         _get_cassette_library_dir = MagicMock(return_value="/ignored")
 
@@ -178,7 +178,7 @@ def test_testcase_playback(tmpdir):
             return str(cassette_dir)
 
     test = run_testcase(MyTest)[0][0]
-    assert b"illustrative examples" in test.response
+    assert b"Example Domain" in test.response
     assert len(test.cassette.requests) == 1
     assert test.cassette.play_count == 0
 
@@ -186,7 +186,7 @@ def test_testcase_playback(tmpdir):
 
     test2 = run_testcase(MyTest)[0][0]
     assert test.cassette is not test2.cassette
-    assert b"illustrative examples" in test.response
+    assert b"Example Domain" in test.response
     assert len(test2.cassette.requests) == 1
     assert test2.cassette.play_count == 1
 

tests/unit/test_util.py

@@ -0,0 +1,33 @@
+from io import BytesIO, StringIO
+
+import pytest
+
+from vcr import request
+from vcr.util import read_body
+
+
+@pytest.mark.parametrize(
+    "input_, expected_output",
+    [
+        (BytesIO(b"Stream"), b"Stream"),
+        (StringIO("Stream"), b"Stream"),
+        (iter(["StringIter"]), b"StringIter"),
+        (iter(["String", "Iter"]), b"StringIter"),
+        (iter([b"BytesIter"]), b"BytesIter"),
+        (iter([b"Bytes", b"Iter"]), b"BytesIter"),
+        (iter([70, 111, 111]), b"Foo"),
+        (iter([]), b""),
+        ("String", b"String"),
+        (b"Bytes", b"Bytes"),
+    ],
+)
+def test_read_body(input_, expected_output):
+    r = request.Request("POST", "http://host.com/", input_, {})
+    assert read_body(r) == expected_output
+
+
+def test_unsupported_read_body():
+    r = request.Request("POST", "http://host.com/", iter([[]]), {})
+    with pytest.raises(ValueError) as excinfo:
+        assert read_body(r)
+    assert excinfo.value.args == ("Body type <class 'list'> not supported",)

tests/unit/test_vcr.py

@@ -15,7 +15,8 @@ def test_vcr_use_cassette():
     record_mode = mock.Mock()
     test_vcr = VCR(record_mode=record_mode)
     with mock.patch(
-        "vcr.cassette.Cassette.load", return_value=mock.MagicMock(inject=False)
+        "vcr.cassette.Cassette.load",
+        return_value=mock.MagicMock(inject=False),
     ) as mock_cassette_load:
 
         @test_vcr.use_cassette("test")
@@ -71,16 +72,19 @@ def test_vcr_before_record_request_params():
 
         # Test filter_headers
         request = Request(
-            "GET", base_path + "?foo=bar", "", {"cookie": "test", "other": "fun", "bert": "nobody"}
+            "GET",
+            base_path + "?foo=bar",
+            "",
+            {"cookie": "test", "other": "fun", "bert": "nobody"},
         )
         assert cassette.filter_request(request).headers == {"other": "fun", "bert": "ernie"}
 
         # Test ignore_hosts
-        request = Request("GET", "http://www.test.com" + "?foo=bar", "", {"cookie": "test", "other": "fun"})
+        request = Request("GET", "http://www.test.com?foo=bar", "", {"cookie": "test", "other": "fun"})
         assert cassette.filter_request(request) is None
 
         # Test ignore_localhost
-        request = Request("GET", "http://localhost:8000" + "?foo=bar", "", {"cookie": "test", "other": "fun"})
+        request = Request("GET", "http://localhost:8000?foo=bar", "", {"cookie": "test", "other": "fun"})
         assert cassette.filter_request(request) is None
 
     with test_vcr.use_cassette("test", before_record_request=None) as cassette:
@@ -259,7 +263,9 @@ def test_cassette_library_dir_with_decoration_and_super_explicit_path():
 def test_cassette_library_dir_with_path_transformer():
     library_dir = "/library_dir"
     vcr = VCR(
-        inject_cassette=True, cassette_library_dir=library_dir, path_transformer=lambda path: path + ".json"
+        inject_cassette=True,
+        cassette_library_dir=library_dir,
+        path_transformer=lambda path: path + ".json",
     )
 
     @vcr.use_cassette()
@@ -362,7 +368,23 @@ del test_dynamically_added
 
 def test_path_class_as_cassette():
     path = Path(__file__).parent.parent.joinpath(
-        "integration/cassettes/test_httpx_test_test_behind_proxy.yml"
+        "integration/cassettes/test_httpx_test_test_behind_proxy.yml",
     )
     with use_cassette(path):
         pass
+
+
+def test_use_cassette_generator_return():
+    ret_val = object()
+
+    vcr = VCR()
+
+    @vcr.use_cassette("test")
+    def gen():
+        return ret_val
+        yield
+
+    with pytest.raises(StopIteration) as exc_info:
+        next(gen())
+
+    assert exc_info.value.value is ret_val

tests/unit/test_vcr_import.py

@@ -8,8 +8,4 @@ def test_vcr_import_deprecation(recwarn):
 
     import vcr  # noqa: F401
 
-    if sys.version_info[0] == 2:
-        assert len(recwarn) == 1
-        assert issubclass(recwarn[0].category, DeprecationWarning)
-    else:
-        assert len(recwarn) == 0
+    assert len(recwarn) == 0

tox.ini

@@ -1,112 +0,0 @@
-[tox]
-skip_missing_interpreters=true
-envlist =
-  cov-clean,
-  lint,
-  {py37,py38,py39,py310,py311}-{requests-urllib3-1,httplib2,urllib3-1,tornado4,boto3,aiohttp,httpx},
-  {py310,py311}-{requests-urllib3-2,urllib3-2},
-  {pypy3}-{requests-urllib3-1,httplib2,urllib3-1,tornado4,boto3},
-  {py310}-httpx019,
-  cov-report
-
-
-[gh-actions]
-python =
-    3.7: py37
-    3.8: py38
-    3.9: py39
-    3.10: py310, lint
-    3.11: py311
-    pypy-3: pypy3
-
-# Coverage environment tasks: cov-clean and cov-report
-# https://pytest-cov.readthedocs.io/en/latest/tox.html
-[testenv:cov-clean]
-deps = coverage
-skip_install=true
-commands = coverage erase
-
-[testenv:cov-report]
-deps = coverage
-skip_install=true
-commands =
-  coverage html
-  coverage report --fail-under=90
-
-[testenv:lint]
-skipsdist = True
-commands =
-    black --version
-    black --check --diff .
-    isort --version
-    isort . --check --diff
-    flake8 --version
-    flake8 --exclude=./docs/conf.py,./.tox/,./venv/
-    pyflakes ./docs/conf.py
-deps =
-  flake8
-  black
-  isort
-basepython = python3.10
-
-[testenv:docs]
-# Running sphinx from inside the "docs" directory
-# ensures it will not pick up any stray files that might
-# get into a virtual environment under the top-level directory
-# or other artifacts under build/
-changedir = docs
-# The only dependency is sphinx
-# If we were using extensions packaged separately,
-# we would specify them here.
-# A better practice is to specify a specific version of sphinx.
-deps =
-    sphinx
-    sphinx_rtd_theme
-# This is the sphinx command to generate HTML.
-# In other circumstances, we might want to generate a PDF or an ebook
-commands =
-    sphinx-build -W -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
-# We use Python 3.7. Tox sometimes tries to autodetect it based on the name of
-# the testenv, but "docs" does not give useful clues so we have to be explicit.
-basepython = python3.7
-
-[testenv]
-# Need to use develop install so that paths
-# for aggregate code coverage combine
-usedevelop=true
-commands =
-    ./runtests.sh --cov=./vcr --cov-branch --cov-report=xml --cov-append {posargs}
-allowlist_externals =
-    ./runtests.sh
-deps =
-    Werkzeug==2.0.3
-    pytest
-    pytest-httpbin>=1.0.1
-    pytest-cov
-    PyYAML
-    ipaddress
-    requests: requests>=2.22.0
-    httplib2: httplib2
-    urllib3-1: urllib3<2
-    urllib3-2: urllib3<3
-    boto3: boto3
-    aiohttp: aiohttp
-    aiohttp: pytest-asyncio
-    aiohttp: pytest-aiohttp
-    httpx: httpx
-    {py37,py38,py39,py310}-{httpx}: httpx
-    {py37,py38,py39,py310}-{httpx}: pytest-asyncio
-    httpx: httpx>0.19
-    # httpx==0.19 is the latest version that supports allow_redirects, newer versions use follow_redirects
-    httpx019: httpx==0.19
-    {py37,py38,py39,py310}-{httpx}: pytest-asyncio
-depends =
-  lint,{py37,py38,py39,py310,py311,pypy3}-{requests-urllib3-1,httplib2,urllib3-1,tornado4,boto3},{py310,py311}-{requests-urllib3-2,urllib3-2},{py37,py38,py39,py310,py311}-{aiohttp},{py37,py38,py39,py310,py311}-{httpx}: cov-clean
-  cov-report: lint,{py37,py38,py39,py310,py311,pypy3}-{requests-urllib3-1,httplib2,urllib3-1,tornado4,boto3},{py310,py311}-{requests-urllib3-2,urllib3-2},{py37,py38,py39,py310,py311}-{aiohttp}
-passenv =
-    AWS_ACCESS_KEY_ID
-    AWS_DEFAULT_REGION
-    AWS_SECRET_ACCESS_KEY
-
-[flake8]
-max_line_length = 110

vcr/__init__.py

@@ -2,9 +2,9 @@ import logging
 from logging import NullHandler
 
 from .config import VCR
-from .record_mode import RecordMode as mode  # noqa import is not used in this file
+from .record_mode import RecordMode as mode  # noqa: F401
 
-__version__ = "4.4.0"
+__version__ = "8.0.0"
 
 logging.getLogger(__name__).addHandler(NullHandler())
 

vcr/_handle_coroutine.py

@@ -1,3 +1,3 @@
-async def handle_coroutine(vcr, fn):  # noqa: E999
+async def handle_coroutine(vcr, fn):
     with vcr as cassette:
-        return await fn(cassette)  # noqa: E999
+        return await fn(cassette)

vcr/cassette.py

@@ -3,7 +3,7 @@ import contextlib
 import copy
 import inspect
 import logging
-import sys
+from inspect import iscoroutinefunction
 
 import wrapt
 
@@ -11,19 +11,11 @@ from ._handle_coroutine import handle_coroutine
 from .errors import UnhandledHTTPRequestError
 from .matchers import get_matchers_results, method, requests_match, uri
 from .patch import CassettePatcherBuilder
-from .persisters.filesystem import FilesystemPersister
+from .persisters.filesystem import CassetteDecodeError, CassetteNotFoundError, FilesystemPersister
 from .record_mode import RecordMode
 from .serializers import yamlserializer
 from .util import partition_dict
 
-try:
-    from asyncio import iscoroutinefunction
-except ImportError:
-
-    def iscoroutinefunction(*args, **kwargs):
-        return False
-
-
 log = logging.getLogger(__name__)
 
 
@@ -81,7 +73,8 @@ class CassetteContextDecorator:
         #         pass
         assert self.__finish is None, "Cassette already open."
         other_kwargs, cassette_kwargs = partition_dict(
-            lambda key, _: key in self._non_cassette_arguments, self._args_getter()
+            lambda key, _: key in self._non_cassette_arguments,
+            self._args_getter(),
         )
         if other_kwargs.get("path_transformer"):
             transformer = other_kwargs["path_transformer"]
@@ -132,20 +125,7 @@ class CassetteContextDecorator:
         duration of the generator.
         """
         with self as cassette:
-            coroutine = fn(cassette)
-            # We don't need to catch StopIteration. The caller (Tornado's
-            # gen.coroutine, for example) will handle that.
-            to_yield = next(coroutine)
-            while True:
-                try:
-                    to_send = yield to_yield
-                except Exception:
-                    to_yield = coroutine.throw(*sys.exc_info())
-                else:
-                    try:
-                        to_yield = coroutine.send(to_send)
-                    except StopIteration:
-                        break
+            return (yield from fn(cassette))
 
     def _handle_function(self, fn):
         with self as cassette:
@@ -197,6 +177,7 @@ class Cassette:
         custom_patches=(),
         inject=False,
         allow_playback_repeats=False,
+        drop_unused_requests=False,
     ):
         self._persister = persister or FilesystemPersister
         self._path = path
@@ -209,6 +190,7 @@ class Cassette:
         self.record_mode = record_mode
         self.custom_patches = custom_patches
         self.allow_playback_repeats = allow_playback_repeats
+        self.drop_unused_requests = drop_unused_requests
 
         # self.data is the list of (req, resp) tuples
         self.data = []
@@ -216,6 +198,10 @@ class Cassette:
         self.dirty = False
         self.rewound = False
 
+        # Subsets of self.data to store old and played interactions
+        self._old_interactions = []
+        self._played_interactions = []
+
     @property
     def play_count(self):
         return sum(self.play_counts.values())
@@ -235,14 +221,14 @@ class Cassette:
 
     @property
     def write_protected(self):
-        return self.rewound and self.record_mode == RecordMode.ONCE or self.record_mode == RecordMode.NONE
+        return (self.rewound and self.record_mode == RecordMode.ONCE) or self.record_mode == RecordMode.NONE
 
     def append(self, request, response):
         """Add a request, response pair to this cassette"""
-        log.info("Appending request %s and response %s", request, response)
         request = self._before_record_request(request)
         if not request:
             return
+        log.info("Appending request %s and response %s", request, response)
         # Deepcopy is here because mutation of `response` will corrupt the
         # real response.
         response = copy.deepcopy(response)
@@ -277,10 +263,11 @@ class Cassette:
         for index, response in self._responses(request):
             if self.play_counts[index] == 0 or self.allow_playback_repeats:
                 self.play_counts[index] += 1
+                self._played_interactions.append((request, response))
                 return response
         # The cassette doesn't contain the request asked for.
         raise UnhandledHTTPRequestError(
-            "The cassette (%r) doesn't contain the request (%r) asked for" % (self._path, request)
+            f"The cassette ({self._path!r}) doesn't contain the request ({request!r}) asked for",
         )
 
     def responses_of(self, request):
@@ -295,7 +282,7 @@ class Cassette:
             return responses
         # The cassette doesn't contain the request asked for.
         raise UnhandledHTTPRequestError(
-            "The cassette (%r) doesn't contain the request (%r) asked for" % (self._path, request)
+            f"The cassette ({self._path!r}) doesn't contain the request ({request!r}) asked for",
         )
 
     def rewind(self):
@@ -314,7 +301,7 @@ class Cassette:
         """
         best_matches = []
         request = self._before_record_request(request)
-        for index, (stored_request, response) in enumerate(self.data):
+        for _, (stored_request, _) in enumerate(self.data):
             successes, fails = get_matchers_results(request, stored_request, self._match_on)
             best_matches.append((len(successes), stored_request, successes, fails))
         best_matches.sort(key=lambda t: t[0], reverse=True)
@@ -337,26 +324,51 @@ class Cassette:
 
         return final_best_matches
 
+    def _new_interactions(self):
+        """List of new HTTP interactions (request/response tuples)"""
+        new_interactions = []
+        for request, response in self.data:
+            if all(
+                not requests_match(request, old_request, self._match_on)
+                for old_request, _ in self._old_interactions
+            ):
+                new_interactions.append((request, response))
+        return new_interactions
+
     def _as_dict(self):
         return {"requests": self.requests, "responses": self.responses}
 
+    def _build_used_interactions_dict(self):
+        interactions = self._played_interactions + self._new_interactions()
+        cassete_dict = {
+            "requests": [request for request, _ in interactions],
+            "responses": [response for _, response in interactions],
+        }
+        return cassete_dict
+
     def _save(self, force=False):
+        if self.drop_unused_requests and len(self._played_interactions) < len(self._old_interactions):
+            cassete_dict = self._build_used_interactions_dict()
+            force = True
+        else:
+            cassete_dict = self._as_dict()
         if force or self.dirty:
-            self._persister.save_cassette(self._path, self._as_dict(), serializer=self._serializer)
+            self._persister.save_cassette(self._path, cassete_dict, serializer=self._serializer)
             self.dirty = False
 
     def _load(self):
         try:
             requests, responses = self._persister.load_cassette(self._path, serializer=self._serializer)
-            for request, response in zip(requests, responses):
+            for request, response in zip(requests, responses, strict=False):
                 self.append(request, response)
+                self._old_interactions.append((request, response))
             self.dirty = False
             self.rewound = True
-        except ValueError:
+        except (CassetteDecodeError, CassetteNotFoundError):
             pass
 
     def __str__(self):
-        return "<Cassette containing {} recorded response(s)>".format(len(self))
+        return f"<Cassette containing {len(self)} recorded response(s)>"
 
     def __len__(self):
         """Return the number of request,response pairs stored in here"""
@@ -364,7 +376,7 @@ class Cassette:
 
     def __contains__(self, request):
         """Return whether or not a request has been stored"""
-        for index, response in self._responses(request):
+        for index, _ in self._responses(request):
             if self.play_counts[index] == 0 or self.allow_playback_repeats:
                 return True
         return False

vcr/config.py

@@ -6,8 +6,6 @@ import types
 from collections import abc as collections_abc
 from pathlib import Path
 
-import six
-
 from . import filters, matchers
 from .cassette import Cassette
 from .persisters.filesystem import FilesystemPersister
@@ -50,6 +48,7 @@ class VCR:
         func_path_generator=None,
         decode_compressed_response=False,
         record_on_exception=True,
+        drop_unused_requests=False,
     ):
         self.serializer = serializer
         self.match_on = match_on
@@ -83,12 +82,13 @@ class VCR:
         self.decode_compressed_response = decode_compressed_response
         self.record_on_exception = record_on_exception
         self._custom_patches = tuple(custom_patches)
+        self.drop_unused_requests = drop_unused_requests
 
     def _get_serializer(self, serializer_name):
         try:
             serializer = self.serializers[serializer_name]
         except KeyError:
-            raise KeyError("Serializer {} doesn't exist or isn't registered".format(serializer_name))
+            raise KeyError(f"Serializer {serializer_name} doesn't exist or isn't registered") from None
         return serializer
 
     def _get_matchers(self, matcher_names):
@@ -97,7 +97,7 @@ class VCR:
             for m in matcher_names:
                 matchers.append(self.matchers[m])
         except KeyError:
-            raise KeyError("Matcher {} doesn't exist or isn't registered".format(m))
+            raise KeyError(f"Matcher {m} doesn't exist or isn't registered") from None
         return matchers
 
     def use_cassette(self, path=None, **kwargs):
@@ -153,6 +153,7 @@ class VCR:
             "func_path_generator": func_path_generator,
             "allow_playback_repeats": kwargs.get("allow_playback_repeats", False),
             "record_on_exception": record_on_exception,
+            "drop_unused_requests": kwargs.get("drop_unused_requests", self.drop_unused_requests),
         }
         path = kwargs.get("path")
         if path:
@@ -162,7 +163,8 @@ class VCR:
     def _build_before_record_response(self, options):
         before_record_response = options.get("before_record_response", self.before_record_response)
         decode_compressed_response = options.get(
-            "decode_compressed_response", self.decode_compressed_response
+            "decode_compressed_response",
+            self.decode_compressed_response,
         )
         filter_functions = []
         if decode_compressed_response:
@@ -186,10 +188,12 @@ class VCR:
         filter_headers = options.get("filter_headers", self.filter_headers)
         filter_query_parameters = options.get("filter_query_parameters", self.filter_query_parameters)
         filter_post_data_parameters = options.get(
-            "filter_post_data_parameters", self.filter_post_data_parameters
+            "filter_post_data_parameters",
+            self.filter_post_data_parameters,
         )
         before_record_request = options.get(
-            "before_record_request", options.get("before_record", self.before_record_request)
+            "before_record_request",
+            options.get("before_record", self.before_record_request),
         )
         ignore_hosts = options.get("ignore_hosts", self.ignore_hosts)
         ignore_localhost = options.get("ignore_localhost", self.ignore_localhost)
@@ -199,12 +203,12 @@ class VCR:
         if filter_query_parameters:
             replacements = [p if isinstance(p, tuple) else (p, None) for p in filter_query_parameters]
             filter_functions.append(
-                functools.partial(filters.replace_query_parameters, replacements=replacements)
+                functools.partial(filters.replace_query_parameters, replacements=replacements),
             )
         if filter_post_data_parameters:
             replacements = [p if isinstance(p, tuple) else (p, None) for p in filter_post_data_parameters]
             filter_functions.append(
-                functools.partial(filters.replace_post_data_parameters, replacements=replacements)
+                functools.partial(filters.replace_post_data_parameters, replacements=replacements),
             )
 
         hosts_to_ignore = set(ignore_hosts)
@@ -253,5 +257,5 @@ class VCR:
 
     def test_case(self, predicate=None):
         predicate = predicate or self.is_test_method
-        # TODO: Remove this reference to `six` in favor of the Python3 equivalent
-        return six.with_metaclass(auto_decorate(self.use_cassette, predicate))
+        metaclass = auto_decorate(self.use_cassette, predicate)
+        return metaclass("temporary_class", (), {})

vcr/errors.py

@@ -13,30 +13,29 @@ class CannotOverwriteExistingCassetteException(Exception):
         best_matches = cassette.find_requests_with_most_matches(failed_request)
         if best_matches:
             # Build a comprehensible message to put in the exception.
-            best_matches_msg = "Found {} similar requests with {} different matcher(s) :\n".format(
-                len(best_matches), len(best_matches[0][2])
+            best_matches_msg = (
+                f"Found {len(best_matches)} similar requests "
+                f"with {len(best_matches[0][2])} different matcher(s) :\n"
             )
 
             for idx, best_match in enumerate(best_matches, start=1):
                 request, succeeded_matchers, failed_matchers_assertion_msgs = best_match
                 best_matches_msg += (
-                    "\n%s - (%r).\n"
-                    "Matchers succeeded : %s\n"
-                    "Matchers failed :\n" % (idx, request, succeeded_matchers)
+                    f"\n{idx} - ({request!r}).\n"
+                    f"Matchers succeeded : {succeeded_matchers}\n"
+                    "Matchers failed :\n"
                 )
                 for failed_matcher, assertion_msg in failed_matchers_assertion_msgs:
-                    best_matches_msg += "%s - assertion failure :\n" "%s\n" % (failed_matcher, assertion_msg)
+                    best_matches_msg += f"{failed_matcher} - assertion failure :\n{assertion_msg}\n"
         else:
             best_matches_msg = "No similar requests, that have not been played, found."
         return (
-            "Can't overwrite existing cassette (%r) in "
-            "your current record mode (%r).\n"
-            "No match for the request (%r) was found.\n"
-            "%s" % (cassette._path, cassette.record_mode, failed_request, best_matches_msg)
+            f"Can't overwrite existing cassette ({cassette._path!r}) in "
+            f"your current record mode ({cassette.record_mode!r}).\n"
+            f"No match for the request ({failed_request!r}) was found.\n"
+            f"{best_matches_msg}"
         )
 
 
 class UnhandledHTTPRequestError(KeyError):
     """Raised when a cassette does not contain the request we want."""
-
-    pass

vcr/filters.py

@@ -95,7 +95,7 @@ def replace_post_data_parameters(request, replacements):
                         new_body[k] = rv
             request.body = new_body
         elif request.headers.get("Content-Type") == "application/json":
-            json_data = json.loads(request.body.decode("utf-8"))
+            json_data = json.loads(request.body)
             for k, rv in replacements.items():
                 if k in json_data:
                     ov = json_data.pop(k)

vcr/matchers.py

@@ -2,45 +2,48 @@ import json
 import logging
 import urllib
 import xmlrpc.client
+from string import hexdigits
 
 from .util import read_body
 
+_HEXDIG_CODE_POINTS: set[int] = {ord(s.encode("ascii")) for s in hexdigits}
+
 log = logging.getLogger(__name__)
 
 
 def method(r1, r2):
     if r1.method != r2.method:
-        raise AssertionError("{} != {}".format(r1.method, r2.method))
+        raise AssertionError(f"{r1.method} != {r2.method}")
 
 
 def uri(r1, r2):
     if r1.uri != r2.uri:
-        raise AssertionError("{} != {}".format(r1.uri, r2.uri))
+        raise AssertionError(f"{r1.uri} != {r2.uri}")
 
 
 def host(r1, r2):
     if r1.host != r2.host:
-        raise AssertionError("{} != {}".format(r1.host, r2.host))
+        raise AssertionError(f"{r1.host} != {r2.host}")
 
 
 def scheme(r1, r2):
     if r1.scheme != r2.scheme:
-        raise AssertionError("{} != {}".format(r1.scheme, r2.scheme))
+        raise AssertionError(f"{r1.scheme} != {r2.scheme}")
 
 
 def port(r1, r2):
     if r1.port != r2.port:
-        raise AssertionError("{} != {}".format(r1.port, r2.port))
+        raise AssertionError(f"{r1.port} != {r2.port}")
 
 
 def path(r1, r2):
     if r1.path != r2.path:
-        raise AssertionError("{} != {}".format(r1.path, r2.path))
+        raise AssertionError(f"{r1.path} != {r2.path}")
 
 
 def query(r1, r2):
     if r1.query != r2.query:
-        raise AssertionError("{} != {}".format(r1.query, r2.query))
+        raise AssertionError(f"{r1.query} != {r2.query}")
 
 
 def raw_body(r1, r2):
@@ -49,17 +52,23 @@ def raw_body(r1, r2):
 
 
 def body(r1, r2):
-    transformer = _get_transformer(r1)
-    r2_transformer = _get_transformer(r2)
-    if transformer != r2_transformer:
-        transformer = _identity
-    if transformer(read_body(r1)) != transformer(read_body(r2)):
+    transformers = list(_get_transformers(r1))
+    if transformers != list(_get_transformers(r2)):
+        transformers = []
+
+    b1 = read_body(r1)
+    b2 = read_body(r2)
+    for transform in transformers:
+        b1 = transform(b1)
+        b2 = transform(b2)
+
+    if b1 != b2:
         raise AssertionError
 
 
 def headers(r1, r2):
     if r1.headers != r2.headers:
-        raise AssertionError("{} != {}".format(r1.headers, r2.headers))
+        raise AssertionError(f"{r1.headers} != {r2.headers}")
 
 
 def _header_checker(value, header="Content-Type"):
@@ -72,17 +81,71 @@ def _header_checker(value, header="Content-Type"):
     return checker
 
 
+def _dechunk(body):
+    if isinstance(body, str):
+        body = body.encode("utf-8")
+    elif isinstance(body, bytearray):
+        body = bytes(body)
+    elif hasattr(body, "__iter__"):
+        body = list(body)
+        if body:
+            if isinstance(body[0], str):
+                body = ("".join(body)).encode("utf-8")
+            elif isinstance(body[0], bytes):
+                body = b"".join(body)
+            elif isinstance(body[0], int):
+                body = bytes(body)
+            else:
+                raise ValueError(f"Body chunk type {type(body[0])} not supported")
+        else:
+            body = None
+
+    if not isinstance(body, bytes):
+        return body
+
+    # Now decode chunked data format (https://en.wikipedia.org/wiki/Chunked_transfer_encoding)
+    # Example input: b"45\r\n<69 bytes>\r\n0\r\n\r\n" where int(b"45", 16) == 69.
+    CHUNK_GAP = b"\r\n"
+    BODY_LEN: int = len(body)
+
+    chunks: list[bytes] = []
+    pos: int = 0
+
+    while True:
+        for i in range(pos, BODY_LEN):
+            if body[i] not in _HEXDIG_CODE_POINTS:
+                break
+
+        if i == 0 or body[i : i + len(CHUNK_GAP)] != CHUNK_GAP:
+            if pos == 0:
+                return body  # i.e. assume non-chunk data
+            raise ValueError("Malformed chunked data")
+
+        size_bytes = int(body[pos:i], 16)
+        if size_bytes == 0:  # i.e. well-formed ending
+            return b"".join(chunks)
+
+        chunk_data_first = i + len(CHUNK_GAP)
+        chunk_data_after_last = chunk_data_first + size_bytes
+
+        if body[chunk_data_after_last : chunk_data_after_last + len(CHUNK_GAP)] != CHUNK_GAP:
+            raise ValueError("Malformed chunked data")
+
+        chunk_data = body[chunk_data_first:chunk_data_after_last]
+        chunks.append(chunk_data)
+
+        pos = chunk_data_after_last + len(CHUNK_GAP)
+
+
 def _transform_json(body):
-    # Request body is always a byte string, but json.loads() wants a text
-    # string. RFC 7159 says the default encoding is UTF-8 (although UTF-16
-    # and UTF-32 are also allowed: hmmmmm).
     if body:
-        return json.loads(body.decode("utf-8"))
+        return json.loads(body)
 
 
 _xml_header_checker = _header_checker("text/xml")
 _xmlrpc_header_checker = _header_checker("xmlrpc", header="User-Agent")
 _checker_transformer_pairs = (
+    (_header_checker("chunked", header="Transfer-Encoding"), _dechunk),
     (
         _header_checker("application/x-www-form-urlencoded"),
         lambda body: urllib.parse.parse_qs(body.decode("ascii")),
@@ -92,22 +155,16 @@ _checker_transformer_pairs = (
 )
 
 
-def _identity(x):
-    return x
-
-
-def _get_transformer(request):
+def _get_transformers(request):
     for checker, transformer in _checker_transformer_pairs:
         if checker(request.headers):
-            return transformer
-    else:
-        return _identity
+            yield transformer
 
 
 def requests_match(r1, r2, matchers):
-    successes, failures = get_matchers_results(r1, r2, matchers)
+    _, failures = get_matchers_results(r1, r2, matchers)
     if failures:
-        log.debug("Requests {} and {} differ.\n" "Failure details:\n" "{}".format(r1, r2, failures))
+        log.debug(f"Requests {r1} and {r2} differ.\nFailure details:\n{failures}")
     return len(failures) == 0
 
 

vcr/migration.py

@@ -55,7 +55,7 @@ def build_uri(**parts):
     port = parts["port"]
     scheme = parts["protocol"]
     default_port = {"https": 443, "http": 80}[scheme]
-    parts["port"] = ":{}".format(port) if port != default_port else ""
+    parts["port"] = f":{port}" if port != default_port else ""
     return "{protocol}://{host}{port}{path}".format(**parts)
 
 
@@ -92,7 +92,7 @@ def migrate_json(in_fp, out_fp):
 
 
 def _list_of_tuples_to_dict(fs):
-    return {k: v for k, v in fs[0]}
+    return dict(fs[0])
 
 
 def _already_migrated(data):
@@ -118,7 +118,7 @@ def migrate(file_path, migration_fn):
     # because we assume that original files can be reverted
     # we will try to copy the content. (os.rename not needed)
     with tempfile.TemporaryFile(mode="w+") as out_fp:
-        with open(file_path, "r") as in_fp:
+        with open(file_path) as in_fp:
             if not migration_fn(in_fp, out_fp):
                 return False
         with open(file_path, "w") as in_fp:
@@ -130,7 +130,7 @@ def migrate(file_path, migration_fn):
 def try_migrate(path):
     if path.endswith(".json"):
         return migrate(path, migrate_json)
-    elif path.endswith(".yaml") or path.endswith(".yml"):
+    elif path.endswith((".yaml", ".yml")):
         return migrate(path, migrate_yml)
     return False
 
@@ -138,7 +138,7 @@ def try_migrate(path):
 def main():
     if len(sys.argv) != 2:
         raise SystemExit(
-            "Please provide path to cassettes directory or file. " "Usage: python3 -m vcr.migration PATH"
+            "Please provide path to cassettes directory or file. Usage: python3 -m vcr.migration PATH",
         )
 
     path = sys.argv[1]
@@ -150,7 +150,7 @@ def main():
     for file_path in files:
         migrated = try_migrate(file_path)
         status = "OK" if migrated else "FAIL"
-        sys.stderr.write("[{}] {}\n".format(status, file_path))
+        sys.stderr.write(f"[{status}] {file_path}\n")
     sys.stderr.write("Done.\n")
 
 

vcr/patch.py

@@ -1,4 +1,5 @@
 """Utilities for patching in cassettes"""
+
 import contextlib
 import functools
 import http.client as httplib
@@ -24,7 +25,7 @@ except ImportError as e:
     else:
         raise RuntimeError(
             "vcrpy >=4.2.2 and botocore <1.11.0 are not compatible"
-            "; please upgrade botocore (or downgrade vcrpy)"
+            "; please upgrade botocore (or downgrade vcrpy)",
         ) from e
 else:
     _Boto3VerifiedHTTPSConnection = AWSHTTPSConnection
@@ -53,7 +54,7 @@ else:
     if requests.__build__ < 0x021602:
         raise RuntimeError(
             "vcrpy >=4.2.2 and requests <2.16.2 are not compatible"
-            "; please upgrade requests (or downgrade vcrpy)"
+            "; please upgrade requests (or downgrade vcrpy)",
         )
 
 
@@ -67,14 +68,6 @@ else:
     _HTTPSConnectionWithTimeout = httplib2.HTTPSConnectionWithTimeout
     _SCHEME_TO_CONNECTION = httplib2.SCHEME_TO_CONNECTION
 
-# Try to save the original types for boto
-try:
-    import boto.https_connection
-except ImportError:  # pragma: no cover
-    pass
-else:
-    _CertValidatingHTTPSConnection = boto.https_connection.CertValidatingHTTPSConnection
-
 # Try to save the original types for Tornado
 try:
     import tornado.simple_httpclient
@@ -99,12 +92,12 @@ else:
 
 
 try:
-    import httpx
+    import httpcore
 except ImportError:  # pragma: no cover
     pass
 else:
-    _HttpxSyncClient_send = httpx.Client.send
-    _HttpxAsyncClient_send = httpx.AsyncClient.send
+    _HttpcoreConnectionPool_handle_request = httpcore.ConnectionPool.handle_request
+    _HttpcoreAsyncConnectionPool_handle_async_request = httpcore.AsyncConnectionPool.handle_async_request
 
 
 class CassettePatcherBuilder:
@@ -126,10 +119,9 @@ class CassettePatcherBuilder:
             self._boto3(),
             self._urllib3(),
             self._httplib2(),
-            self._boto(),
             self._tornado(),
             self._aiohttp(),
-            self._httpx(),
+            self._httpcore(),
             self._build_patchers_from_mock_triples(self._cassette.custom_patches),
         )
 
@@ -144,7 +136,9 @@ class CassettePatcherBuilder:
             return
 
         return mock.patch.object(
-            obj, patched_attribute, self._recursively_apply_get_cassette_subclass(replacement_class)
+            obj,
+            patched_attribute,
+            self._recursively_apply_get_cassette_subclass(replacement_class),
         )
 
     def _recursively_apply_get_cassette_subclass(self, replacement_dict_or_obj):
@@ -186,9 +180,7 @@ class CassettePatcherBuilder:
         bases = (base_class,)
         if not issubclass(base_class, object):  # Check for old style class
             bases += (object,)
-        return type(
-            "{}{}".format(base_class.__name__, self._cassette._path), bases, dict(cassette=self._cassette)
-        )
+        return type(f"{base_class.__name__}{self._cassette._path}", bases, {"cassette": self._cassette})
 
     @_build_patchers_from_mock_triples_decorator
     def _httplib(self):
@@ -269,21 +261,14 @@ class CassettePatcherBuilder:
 
             yield cpool, "HTTPConnectionWithTimeout", VCRHTTPConnectionWithTimeout
             yield cpool, "HTTPSConnectionWithTimeout", VCRHTTPSConnectionWithTimeout
-            yield cpool, "SCHEME_TO_CONNECTION", {
-                "http": VCRHTTPConnectionWithTimeout,
-                "https": VCRHTTPSConnectionWithTimeout,
-            }
-
-    @_build_patchers_from_mock_triples_decorator
-    def _boto(self):
-        try:
-            import boto.https_connection as cpool
-        except ImportError:  # pragma: no cover
-            pass
-        else:
-            from .stubs.boto_stubs import VCRCertValidatingHTTPSConnection
-
-            yield cpool, "CertValidatingHTTPSConnection", VCRCertValidatingHTTPSConnection
+            yield (
+                cpool,
+                "SCHEME_TO_CONNECTION",
+                {
+                    "http": VCRHTTPConnectionWithTimeout,
+                    "https": VCRHTTPSConnectionWithTimeout,
+                },
+            )
 
     @_build_patchers_from_mock_triples_decorator
     def _tornado(self):
@@ -319,26 +304,29 @@ class CassettePatcherBuilder:
             yield client.ClientSession, "_request", new_request
 
     @_build_patchers_from_mock_triples_decorator
-    def _httpx(self):
+    def _httpcore(self):
         try:
-            import httpx
+            import httpcore
         except ImportError:  # pragma: no cover
             return
         else:
-            from .stubs.httpx_stubs import async_vcr_send, sync_vcr_send
+            from .stubs.httpcore_stubs import vcr_handle_async_request, vcr_handle_request
 
-            new_async_client_send = async_vcr_send(self._cassette, _HttpxAsyncClient_send)
-            yield httpx.AsyncClient, "send", new_async_client_send
+            new_handle_async_request = vcr_handle_async_request(
+                self._cassette,
+                _HttpcoreAsyncConnectionPool_handle_async_request,
+            )
+            yield httpcore.AsyncConnectionPool, "handle_async_request", new_handle_async_request
 
-            new_sync_client_send = sync_vcr_send(self._cassette, _HttpxSyncClient_send)
-            yield httpx.Client, "send", new_sync_client_send
+            new_handle_request = vcr_handle_request(self._cassette, _HttpcoreConnectionPool_handle_request)
+            yield httpcore.ConnectionPool, "handle_request", new_handle_request
 
     def _urllib3_patchers(self, cpool, conn, stubs):
         http_connection_remover = ConnectionRemover(
-            self._get_cassette_subclass(stubs.VCRRequestsHTTPConnection)
+            self._get_cassette_subclass(stubs.VCRRequestsHTTPConnection),
         )
         https_connection_remover = ConnectionRemover(
-            self._get_cassette_subclass(stubs.VCRRequestsHTTPSConnection)
+            self._get_cassette_subclass(stubs.VCRRequestsHTTPSConnection),
         )
         mock_triples = (
             (conn, "VerifiedHTTPSConnection", stubs.VCRRequestsHTTPSConnection),
@@ -388,10 +376,6 @@ class ConnectionRemover:
         if isinstance(connection, self._connection_class):
             self._connection_pool_to_connections.setdefault(pool, set()).add(connection)
 
-    def remove_connection_to_pool_entry(self, pool, connection):
-        if isinstance(connection, self._connection_class):
-            self._connection_pool_to_connections[self._connection_class].remove(connection)
-
     def __enter__(self):
         return self
 
@@ -402,10 +386,13 @@ class ConnectionRemover:
                 connection = pool.pool.get()
                 if isinstance(connection, self._connection_class):
                     connections.remove(connection)
+                    connection.close()
                 else:
                     readd_connections.append(connection)
             for connection in readd_connections:
                 pool._put_conn(connection)
+            for connection in connections:
+                connection.close()
 
 
 def reset_patchers():
@@ -447,13 +434,6 @@ def reset_patchers():
         yield mock.patch.object(cpool, "HTTPSConnectionWithTimeout", _HTTPSConnectionWithTimeout)
         yield mock.patch.object(cpool, "SCHEME_TO_CONNECTION", _SCHEME_TO_CONNECTION)
 
-    try:
-        import boto.https_connection as cpool
-    except ImportError:  # pragma: no cover
-        pass
-    else:
-        yield mock.patch.object(cpool, "CertValidatingHTTPSConnection", _CertValidatingHTTPSConnection)
-
     try:
         import tornado.simple_httpclient as simple
     except ImportError:  # pragma: no cover

vcr/persisters/filesystem.py

@@ -5,17 +5,25 @@ from pathlib import Path
 from ..serialize import deserialize, serialize
 
 
+class CassetteNotFoundError(FileNotFoundError):
+    pass
+
+
+class CassetteDecodeError(ValueError):
+    pass
+
+
 class FilesystemPersister:
     @classmethod
     def load_cassette(cls, cassette_path, serializer):
         cassette_path = Path(cassette_path)  # if cassette path is already Path this is no operation
         if not cassette_path.is_file():
-            raise ValueError("Cassette not found.")
+            raise CassetteNotFoundError()
         try:
             with cassette_path.open() as f:
                 data = f.read()
-        except UnicodeEncodeError as err:
-            raise ValueError("Can't read Cassette, Encoding is broken") from err
+        except UnicodeDecodeError as err:
+            raise CassetteDecodeError("Can't read Cassette, Encoding is broken") from err
 
         return deserialize(data, serializer)
 

vcr/request.py

@@ -1,9 +1,10 @@
 import logging
 import warnings
+from contextlib import suppress
 from io import BytesIO
 from urllib.parse import parse_qsl, urlparse
 
-from .util import CaseInsensitiveDict
+from .util import CaseInsensitiveDict, _is_nonsequence_iterator
 
 log = logging.getLogger(__name__)
 
@@ -17,13 +18,25 @@ class Request:
         self.method = method
         self.uri = uri
         self._was_file = hasattr(body, "read")
+        self._was_iter = _is_nonsequence_iterator(body)
         if self._was_file:
             self.body = body.read()
+        elif self._was_iter:
+            self.body = list(body)
         else:
             self.body = body
         self.headers = headers
         log.debug("Invoking Request %s", self.uri)
 
+    @property
+    def uri(self):
+        return self._uri
+
+    @uri.setter
+    def uri(self, uri):
+        self._uri = uri
+        self.parsed_uri = urlparse(uri)
+
     @property
     def headers(self):
         return self._headers
@@ -36,7 +49,11 @@ class Request:
 
     @property
     def body(self):
-        return BytesIO(self._body) if self._was_file else self._body
+        if self._was_file:
+            return BytesIO(self._body)
+        if self._was_iter:
+            return iter(self._body)
+        return self._body
 
     @body.setter
     def body(self, value):
@@ -46,37 +63,36 @@ class Request:
 
     def add_header(self, key, value):
         warnings.warn(
-            "Request.add_header is deprecated. " "Please assign to request.headers instead.",
+            "Request.add_header is deprecated. Please assign to request.headers instead.",
             DeprecationWarning,
+            stacklevel=2,
         )
         self.headers[key] = value
 
     @property
     def scheme(self):
-        return urlparse(self.uri).scheme
+        return self.parsed_uri.scheme
 
     @property
     def host(self):
-        return urlparse(self.uri).hostname
+        return self.parsed_uri.hostname
 
     @property
     def port(self):
-        parse_uri = urlparse(self.uri)
-        port = parse_uri.port
+        port = self.parsed_uri.port
         if port is None:
-            try:
-                port = {"https": 443, "http": 80}[parse_uri.scheme]
-            except KeyError:
-                pass
+            with suppress(KeyError):
+                port = {"https": 443, "http": 80}[self.parsed_uri.scheme]
+
         return port
 
     @property
     def path(self):
-        return urlparse(self.uri).path
+        return self.parsed_uri.path
 
     @property
     def query(self):
-        q = urlparse(self.uri).query
+        q = self.parsed_uri.query
         return sorted(parse_qsl(q))
 
     # alias for backwards compatibility
@@ -90,7 +106,7 @@ class Request:
         return self.scheme
 
     def __str__(self):
-        return "<Request ({}) {}>".format(self.method, self.uri)
+        return f"<Request ({self.method}) {self.uri}>"
 
     def __repr__(self):
         return self.__str__()

vcr/serialize.py

@@ -28,7 +28,7 @@ def _warn_about_old_cassette_format():
     raise ValueError(
         "Your cassette files were generated in an older version "
         "of VCR. Delete your cassettes or run the migration script."
-        "See http://git.io/mHhLBg for more details."
+        "See http://git.io/mHhLBg for more details.",
     )
 
 
@@ -53,7 +53,7 @@ def serialize(cassette_dict, serializer):
             "request": compat.convert_to_unicode(request._to_dict()),
             "response": compat.convert_to_unicode(response),
         }
-        for request, response in zip(cassette_dict["requests"], cassette_dict["responses"])
+        for request, response in zip(cassette_dict["requests"], cassette_dict["responses"], strict=False)
     ]
     data = {"version": CASSETTE_FORMAT_VERSION, "interactions": interactions}
     return serializer.serialize(data)

vcr/serializers/compat.py

@@ -56,7 +56,7 @@ def convert_body_to_unicode(resp):
     If the request or responses body is bytes, decode it to a string
     (for python3 support)
     """
-    if type(resp) is not dict:
+    if not isinstance(resp, dict):
         # Some of the tests just serialize and deserialize a string.
         return _convert_string_to_unicode(resp)
     else:

vcr/serializers/jsonserializer.py

@@ -1,7 +1,4 @@
-try:
-    import simplejson as json
-except ImportError:
-    import json
+import json
 
 
 def deserialize(cassette_string):
@@ -17,13 +14,5 @@ def serialize(cassette_dict):
 
     try:
         return json.dumps(cassette_dict, indent=4) + "\n"
-    except UnicodeDecodeError as original:  # py2
-        raise UnicodeDecodeError(
-            original.encoding,
-            b"Error serializing cassette to JSON",
-            original.start,
-            original.end,
-            original.args[-1] + error_message,
-        )
-    except TypeError:  # py3
-        raise TypeError(error_message)
+    except TypeError:
+        raise TypeError(error_message) from None

vcr/stubs/__init__.py

@@ -1,6 +1,7 @@
 """Stubs for patching HTTP and HTTPS requests"""
 
 import logging
+from contextlib import suppress
 from http.client import HTTPConnection, HTTPResponse, HTTPSConnection
 from io import BytesIO
 
@@ -66,6 +67,7 @@ class VCRHTTPResponse(HTTPResponse):
         self.reason = recorded_response["status"]["message"]
         self.status = self.code = recorded_response["status"]["code"]
         self.version = None
+        self.version_string = None
         self._content = BytesIO(self.recorded_response["body"]["string"])
         self._closed = False
         self._original_response = self  # for requests.session.Session cookie extraction
@@ -76,7 +78,7 @@ class VCRHTTPResponse(HTTPResponse):
         # libraries trying to process a chunked response.  By removing the
         # transfer-encoding: chunked header, this should cause the downstream
         # libraries to process this as a non-chunked response.
-        te_key = [h for h in headers.keys() if h.upper() == "TRANSFER-ENCODING"]
+        te_key = [h for h in headers if h.upper() == "TRANSFER-ENCODING"]
         if te_key:
             del headers[te_key[0]]
         self.headers = self.msg = parse_headers(headers)
@@ -186,28 +188,40 @@ class VCRConnection:
         """
         Returns empty string for the default port and ':port' otherwise
         """
-        port = self.real_connection.port
+        port = (
+            self.real_connection.port
+            if not self.real_connection._tunnel_host
+            else self.real_connection._tunnel_port
+        )
         default_port = {"https": 443, "http": 80}[self._protocol]
-        return ":{}".format(port) if port != default_port else ""
+        return f":{port}" if port != default_port else ""
+
+    def _real_host(self):
+        """Returns the request host"""
+        if self.real_connection._tunnel_host:
+            # The real connection is to an HTTPS proxy
+            return self.real_connection._tunnel_host
+        else:
+            return self.real_connection.host
 
     def _uri(self, url):
         """Returns request absolute URI"""
         if url and not url.startswith("/"):
             # Then this must be a proxy request.
             return url
-        uri = "{}://{}{}{}".format(self._protocol, self.real_connection.host, self._port_postfix(), url)
+        uri = f"{self._protocol}://{self._real_host()}{self._port_postfix()}{url}"
         log.debug("Absolute URI: %s", uri)
         return uri
 
     def _url(self, uri):
         """Returns request selector url from absolute URI"""
-        prefix = "{}://{}{}".format(self._protocol, self.real_connection.host, self._port_postfix())
+        prefix = f"{self._protocol}://{self._real_host()}{self._port_postfix()}"
         return uri.replace(prefix, "", 1)
 
     def request(self, method, url, body=None, headers=None, *args, **kwargs):
         """Persist the request metadata in self._vcr_request"""
         self._vcr_request = Request(method=method, uri=self._uri(url), body=body, headers=headers or {})
-        log.debug("Got {}".format(self._vcr_request))
+        log.debug(f"Got {self._vcr_request}")
 
         # Note: The request may not actually be finished at this point, so
         # I'm not sending the actual request until getresponse().  This
@@ -223,7 +237,7 @@ class VCRConnection:
         of putheader() calls.
         """
         self._vcr_request = Request(method=method, uri=self._uri(url), body="", headers={})
-        log.debug("Got {}".format(self._vcr_request))
+        log.debug(f"Got {self._vcr_request}")
 
     def putheader(self, header, *values):
         self._vcr_request.headers[header] = values
@@ -255,19 +269,20 @@ class VCRConnection:
         # Check to see if the cassette has a response for this request. If so,
         # then return it
         if self.cassette.can_play_response_for(self._vcr_request):
-            log.info("Playing response for {} from cassette".format(self._vcr_request))
+            log.info(f"Playing response for {self._vcr_request} from cassette")
             response = self.cassette.play_response(self._vcr_request)
             return VCRHTTPResponse(response)
         else:
             if self.cassette.write_protected and self.cassette.filter_request(self._vcr_request):
                 raise CannotOverwriteExistingCassetteException(
-                    cassette=self.cassette, failed_request=self._vcr_request
+                    cassette=self.cassette,
+                    failed_request=self._vcr_request,
                 )
 
             # Otherwise, we should send the request, then get the response
             # and return it.
 
-            log.info("{} not in cassette, sending to real server".format(self._vcr_request))
+            log.info(f"{self._vcr_request} not in cassette, sending to real server")
             # This is imported here to avoid circular import.
             # TODO(@IvanMalison): Refactor to allow normal import.
             from vcr.patch import force_reset
@@ -356,12 +371,8 @@ class VCRConnection:
         TODO: Separately setting the attribute on the two instances is not
         ideal. We should switch to a proxying implementation.
         """
-        try:
+        with suppress(AttributeError):
             setattr(self.real_connection, name, value)
-        except AttributeError:
-            # raised if real_connection has not been set yet, such as when
-            # we're setting the real_connection itself for the first time
-            pass
 
         super().__setattr__(name, value)
 
@@ -388,6 +399,8 @@ class VCRHTTPConnection(VCRConnection):
 
     _baseclass = HTTPConnection
     _protocol = "http"
+    debuglevel = _baseclass.debuglevel
+    _http_vsn = _baseclass._http_vsn
 
 
 class VCRHTTPSConnection(VCRConnection):
@@ -396,3 +409,5 @@ class VCRHTTPSConnection(VCRConnection):
     _baseclass = HTTPSConnection
     _protocol = "https"
     is_verified = True
+    debuglevel = _baseclass.debuglevel
+    _http_vsn = _baseclass._http_vsn

vcr/stubs/aiohttp_stubs.py

@@ -1,10 +1,11 @@
 """Stubs for aiohttp HTTP clients"""
+
 import asyncio
 import functools
 import json
 import logging
+from collections.abc import Mapping
 from http.cookies import CookieError, Morsel, SimpleCookie
-from typing import Mapping, Union
 
 from aiohttp import ClientConnectionError, ClientResponse, CookieJar, RequestInfo, hdrs, streams
 from aiohttp.helpers import strip_auth_from_url
@@ -35,7 +36,7 @@ class MockClientResponse(ClientResponse):
             session=None,
         )
 
-    async def json(self, *, encoding="utf-8", loads=json.loads, **kwargs):  # NOQA: E999
+    async def json(self, *, encoding="utf-8", loads=json.loads, **kwargs):
         stripped = self._body.strip()
         if not stripped:
             return None
@@ -66,7 +67,7 @@ def build_response(vcr_request, vcr_response, history):
         headers=_deserialize_headers(vcr_request.headers),
         real_url=URL(vcr_request.url),
     )
-    response = MockClientResponse(vcr_request.method, URL(vcr_response.get("url")), request_info=request_info)
+    response = MockClientResponse(vcr_request.method, URL(vcr_request.url), request_info=request_info)
     response.status = vcr_response["status"]["code"]
     response._body = vcr_response["body"].get("string", b"")
     response.reason = vcr_response["status"]["message"]
@@ -162,8 +163,7 @@ async def record_response(cassette, vcr_request, response):
     vcr_response = {
         "status": {"code": response.status, "message": response.reason},
         "headers": _serialize_headers(response.headers),
-        "body": body,  # NOQA: E999
-        "url": str(response.url),
+        "body": body,
     }
 
     cassette.append(vcr_request, vcr_response)
@@ -229,7 +229,7 @@ def _build_cookie_header(session, cookies, cookie_header, url):
     return c.output(header="", sep=";").strip()
 
 
-def _build_url_with_params(url_str: str, params: Mapping[str, Union[str, int, float]]) -> URL:
+def _build_url_with_params(url_str: str, params: Mapping[str, str | int | float]) -> URL:
     # This code is basically a copy&paste of aiohttp.
     # https://github.com/aio-libs/aiohttp/blob/master/aiohttp/client_reqrep.py#L225
     url = URL(url_str)
@@ -261,7 +261,7 @@ def vcr_request(cassette, real_request):
         vcr_request = Request(method, str(request_url), data, _serialize_headers(headers))
 
         if cassette.can_play_response_for(vcr_request):
-            log.info("Playing response for {} from cassette".format(vcr_request))
+            log.info(f"Playing response for {vcr_request} from cassette")
             response = play_responses(cassette, vcr_request, kwargs)
             for redirect in response.history:
                 self._cookie_jar.update_cookies(redirect.cookies, redirect.url)
@@ -273,7 +273,7 @@ def vcr_request(cassette, real_request):
 
         log.info("%s not in cassette, sending to real server", vcr_request)
 
-        response = await real_request(self, method, url, **kwargs)  # NOQA: E999
+        response = await real_request(self, method, url, **kwargs)
         await record_responses(cassette, vcr_request, response)
         return response
 

vcr/stubs/boto3_stubs.py

@@ -1,4 +1,5 @@
 """Stubs for boto3"""
+
 from botocore.awsrequest import AWSHTTPConnection as HTTPConnection
 from botocore.awsrequest import AWSHTTPSConnection as VerifiedHTTPSConnection
 

vcr/stubs/boto_stubs.py

@@ -1,9 +0,0 @@
-"""Stubs for boto"""
-
-from boto.https_connection import CertValidatingHTTPSConnection
-
-from ..stubs import VCRHTTPSConnection
-
-
-class VCRCertValidatingHTTPSConnection(VCRHTTPSConnection):
-    _baseclass = CertValidatingHTTPSConnection

vcr/stubs/httpcore_stubs.py

@@ -0,0 +1,215 @@
+import asyncio
+import functools
+import logging
+from collections import defaultdict
+from collections.abc import AsyncIterable, Iterable
+
+from httpcore import Response
+from httpcore._models import ByteStream
+
+from vcr.errors import CannotOverwriteExistingCassetteException
+from vcr.filters import decode_response
+from vcr.request import Request as VcrRequest
+from vcr.serializers.compat import convert_body_to_bytes
+
+_logger = logging.getLogger(__name__)
+
+
+async def _convert_byte_stream(stream):
+    if isinstance(stream, Iterable):
+        return list(stream)
+
+    if isinstance(stream, AsyncIterable):
+        return [part async for part in stream]
+
+    raise TypeError(
+        f"_convert_byte_stream: stream must be Iterable or AsyncIterable, got {type(stream).__name__}",
+    )
+
+
+def _serialize_headers(real_response):
+    """
+    Some headers can appear multiple times, like "Set-Cookie".
+    Therefore serialize every header key to a list of values.
+    """
+
+    headers = defaultdict(list)
+
+    for name, value in real_response.headers:
+        headers[name.decode("ascii")].append(value.decode("ascii"))
+
+    return dict(headers)
+
+
+async def _serialize_response(real_response):
+    # The reason_phrase may not exist
+    try:
+        reason_phrase = real_response.extensions["reason_phrase"].decode("ascii")
+    except KeyError:
+        reason_phrase = None
+
+    # Reading the response stream consumes the iterator, so we need to restore it afterwards
+    content = b"".join(await _convert_byte_stream(real_response.stream))
+    real_response.stream = ByteStream(content)
+
+    return {
+        "status": {"code": real_response.status, "message": reason_phrase},
+        "headers": _serialize_headers(real_response),
+        "body": {"string": content},
+    }
+
+
+def _deserialize_headers(headers):
+    """
+    httpcore accepts headers as list of tuples of header key and value.
+    """
+
+    return [
+        (name.encode("ascii"), value.encode("ascii")) for name, values in headers.items() for value in values
+    ]
+
+
+def _deserialize_response(vcr_response):
+    # Cassette format generated for HTTPX requests by older versions of
+    # vcrpy. We restructure the content to resemble what a regular
+    # cassette looks like.
+    if "status_code" in vcr_response:
+        vcr_response = decode_response(
+            convert_body_to_bytes(
+                {
+                    "headers": vcr_response["headers"],
+                    "body": {"string": vcr_response["content"]},
+                    "status": {"code": vcr_response["status_code"]},
+                },
+            ),
+        )
+        extensions = None
+    else:
+        extensions = (
+            {"reason_phrase": vcr_response["status"]["message"].encode("ascii")}
+            if vcr_response["status"]["message"]
+            else None
+        )
+
+    return Response(
+        vcr_response["status"]["code"],
+        headers=_deserialize_headers(vcr_response["headers"]),
+        content=vcr_response["body"]["string"],
+        extensions=extensions,
+    )
+
+
+async def _make_vcr_request(real_request):
+    # Reading the request stream consumes the iterator, so we need to restore it afterwards
+    body = b"".join(await _convert_byte_stream(real_request.stream))
+    real_request.stream = ByteStream(body)
+
+    uri = bytes(real_request.url).decode("ascii")
+
+    # As per HTTPX: If there are multiple headers with the same key, then we concatenate them with commas
+    headers = defaultdict(list)
+
+    for name, value in real_request.headers:
+        headers[name.decode("ascii")].append(value.decode("ascii"))
+
+    headers = {name: ", ".join(values) for name, values in headers.items()}
+
+    return VcrRequest(real_request.method.decode("ascii"), uri, body, headers)
+
+
+async def _vcr_request(cassette, real_request):
+    vcr_request = await _make_vcr_request(real_request)
+
+    if cassette.can_play_response_for(vcr_request):
+        return vcr_request, _play_responses(cassette, vcr_request)
+
+    if cassette.write_protected and cassette.filter_request(vcr_request):
+        raise CannotOverwriteExistingCassetteException(
+            cassette=cassette,
+            failed_request=vcr_request,
+        )
+
+    _logger.info("%s not in cassette, sending to real server", vcr_request)
+
+    return vcr_request, None
+
+
+async def _record_responses(cassette, vcr_request, real_response):
+    cassette.append(vcr_request, await _serialize_response(real_response))
+
+
+def _play_responses(cassette, vcr_request):
+    vcr_response = cassette.play_response(vcr_request)
+    real_response = _deserialize_response(vcr_response)
+
+    return real_response
+
+
+async def _vcr_handle_async_request(
+    cassette,
+    real_handle_async_request,
+    self,
+    real_request,
+):
+    vcr_request, vcr_response = await _vcr_request(cassette, real_request)
+
+    if vcr_response:
+        return vcr_response
+
+    real_response = await real_handle_async_request(self, real_request)
+    await _record_responses(cassette, vcr_request, real_response)
+
+    return real_response
+
+
+def vcr_handle_async_request(cassette, real_handle_async_request):
+    @functools.wraps(real_handle_async_request)
+    def _inner_handle_async_request(self, real_request):
+        return _vcr_handle_async_request(
+            cassette,
+            real_handle_async_request,
+            self,
+            real_request,
+        )
+
+    return _inner_handle_async_request
+
+
+def _run_async_function(sync_func, *args, **kwargs):
+    """
+    Safely run an asynchronous function from a synchronous context.
+    Handles both cases:
+    - An event loop is already running.
+    - No event loop exists yet.
+    """
+    try:
+        asyncio.get_running_loop()
+    except RuntimeError:
+        return asyncio.run(sync_func(*args, **kwargs))
+    else:
+        # If inside a running loop, create a task and wait for it
+        return asyncio.ensure_future(sync_func(*args, **kwargs))
+
+
+def _vcr_handle_request(cassette, real_handle_request, self, real_request):
+    vcr_request, vcr_response = _run_async_function(
+        _vcr_request,
+        cassette,
+        real_request,
+    )
+
+    if vcr_response:
+        return vcr_response
+
+    real_response = real_handle_request(self, real_request)
+    _run_async_function(_record_responses, cassette, vcr_request, real_response)
+
+    return real_response
+
+
+def vcr_handle_request(cassette, real_handle_request):
+    @functools.wraps(real_handle_request)
+    def _inner_handle_request(self, real_request):
+        return _vcr_handle_request(cassette, real_handle_request, self, real_request)
+
+    return _inner_handle_request

vcr/stubs/httpx_stubs.py

@@ -1,171 +0,0 @@
-import functools
-import inspect
-import logging
-from unittest.mock import MagicMock, patch
-
-import httpx
-
-from vcr.errors import CannotOverwriteExistingCassetteException
-from vcr.request import Request as VcrRequest
-
-_httpx_signature = inspect.signature(httpx.Client.request)
-
-try:
-    HTTPX_REDIRECT_PARAM = _httpx_signature.parameters["follow_redirects"]
-except KeyError:
-    HTTPX_REDIRECT_PARAM = _httpx_signature.parameters["allow_redirects"]
-
-
-_logger = logging.getLogger(__name__)
-
-
-def _transform_headers(httpx_response):
-    """
-    Some headers can appear multiple times, like "Set-Cookie".
-    Therefore transform to every header key to list of values.
-    """
-
-    out = {}
-    for key, var in httpx_response.headers.raw:
-        decoded_key = key.decode("utf-8")
-        out.setdefault(decoded_key, [])
-        out[decoded_key].append(var.decode("utf-8"))
-    return out
-
-
-def _to_serialized_response(httpx_response):
-    return {
-        "status_code": httpx_response.status_code,
-        "http_version": httpx_response.http_version,
-        "headers": _transform_headers(httpx_response),
-        "content": httpx_response.content.decode("utf-8", "ignore"),
-    }
-
-
-def _from_serialized_headers(headers):
-    """
-    httpx accepts headers as list of tuples of header key and value.
-    """
-
-    header_list = []
-    for key, values in headers.items():
-        for v in values:
-            header_list.append((key, v))
-    return header_list
-
-
-@patch("httpx.Response.close", MagicMock())
-@patch("httpx.Response.read", MagicMock())
-def _from_serialized_response(request, serialized_response, history=None):
-    content = serialized_response.get("content").encode()
-    response = httpx.Response(
-        status_code=serialized_response.get("status_code"),
-        request=request,
-        headers=_from_serialized_headers(serialized_response.get("headers")),
-        content=content,
-        history=history or [],
-    )
-    response._content = content
-    return response
-
-
-def _make_vcr_request(httpx_request, **kwargs):
-    body = httpx_request.read().decode("utf-8")
-    uri = str(httpx_request.url)
-    headers = dict(httpx_request.headers)
-    return VcrRequest(httpx_request.method, uri, body, headers)
-
-
-def _shared_vcr_send(cassette, real_send, *args, **kwargs):
-    real_request = args[1]
-
-    vcr_request = _make_vcr_request(real_request, **kwargs)
-
-    if cassette.can_play_response_for(vcr_request):
-        return vcr_request, _play_responses(cassette, real_request, vcr_request, args[0], kwargs)
-
-    if cassette.write_protected and cassette.filter_request(vcr_request):
-        raise CannotOverwriteExistingCassetteException(cassette=cassette, failed_request=vcr_request)
-
-    _logger.info("%s not in cassette, sending to real server", vcr_request)
-    return vcr_request, None
-
-
-def _record_responses(cassette, vcr_request, real_response):
-    for past_real_response in real_response.history:
-        past_vcr_request = _make_vcr_request(past_real_response.request)
-        cassette.append(past_vcr_request, _to_serialized_response(past_real_response))
-
-    if real_response.history:
-        # If there was a redirection keep we want the request which will hold the
-        # final redirect value
-        vcr_request = _make_vcr_request(real_response.request)
-
-    cassette.append(vcr_request, _to_serialized_response(real_response))
-    return real_response
-
-
-def _play_responses(cassette, request, vcr_request, client, kwargs):
-    history = []
-
-    allow_redirects = kwargs.get(
-        HTTPX_REDIRECT_PARAM.name,
-        HTTPX_REDIRECT_PARAM.default,
-    )
-    vcr_response = cassette.play_response(vcr_request)
-    response = _from_serialized_response(request, vcr_response)
-
-    while allow_redirects and 300 <= response.status_code <= 399:
-        next_url = response.headers.get("location")
-        if not next_url:
-            break
-
-        vcr_request = VcrRequest("GET", next_url, None, dict(response.headers))
-        vcr_request = cassette.find_requests_with_most_matches(vcr_request)[0][0]
-
-        history.append(response)
-        # add cookies from response to session cookie store
-        client.cookies.extract_cookies(response)
-
-        vcr_response = cassette.play_response(vcr_request)
-        response = _from_serialized_response(vcr_request, vcr_response, history)
-
-    return response
-
-
-async def _async_vcr_send(cassette, real_send, *args, **kwargs):
-    vcr_request, response = _shared_vcr_send(cassette, real_send, *args, **kwargs)
-    if response:
-        # add cookies from response to session cookie store
-        args[0].cookies.extract_cookies(response)
-        return response
-
-    real_response = await real_send(*args, **kwargs)
-    return _record_responses(cassette, vcr_request, real_response)
-
-
-def async_vcr_send(cassette, real_send):
-    @functools.wraps(real_send)
-    def _inner_send(*args, **kwargs):
-        return _async_vcr_send(cassette, real_send, *args, **kwargs)
-
-    return _inner_send
-
-
-def _sync_vcr_send(cassette, real_send, *args, **kwargs):
-    vcr_request, response = _shared_vcr_send(cassette, real_send, *args, **kwargs)
-    if response:
-        # add cookies from response to session cookie store
-        args[0].cookies.extract_cookies(response)
-        return response
-
-    real_response = real_send(*args, **kwargs)
-    return _record_responses(cassette, vcr_request, real_response)
-
-
-def sync_vcr_send(cassette, real_send):
-    @functools.wraps(real_send)
-    def _inner_send(*args, **kwargs):
-        return _sync_vcr_send(cassette, real_send, *args, **kwargs)
-
-    return _inner_send

vcr/stubs/tornado_stubs.py

@@ -1,4 +1,5 @@
 """Stubs for tornado HTTP clients"""
+
 import functools
 from io import BytesIO
 
@@ -29,9 +30,9 @@ def vcr_fetch_impl(cassette, real_fetch_impl):
                 request,
                 599,
                 error=Exception(
-                    "The request (%s) uses AsyncHTTPClient functionality "
+                    f"The request ({request!r}) uses AsyncHTTPClient functionality "
                     "that is not yet supported by VCR.py. Please make the "
-                    "request outside a VCR.py context." % repr(request)
+                    "request outside a VCR.py context.",
                 ),
                 request_time=self.io_loop.time() - request.start_time,
             )
@@ -65,14 +66,15 @@ def vcr_fetch_impl(cassette, real_fetch_impl):
                     request,
                     599,
                     error=CannotOverwriteExistingCassetteException(
-                        cassette=cassette, failed_request=vcr_request
+                        cassette=cassette,
+                        failed_request=vcr_request,
                     ),
                     request_time=self.io_loop.time() - request.start_time,
                 )
                 return callback(response)
 
             def new_callback(response):
-                headers = [(k, response.headers.get_list(k)) for k in response.headers.keys()]
+                headers = [(k, response.headers.get_list(k)) for k in response.headers]
 
                 vcr_response = {
                     "status": {"code": response.code, "message": response.reason},

vcr/unittest.py

@@ -32,7 +32,7 @@ class VCRMixin:
         return os.path.join(testdir, "cassettes")
 
     def _get_cassette_name(self):
-        return "{0}.{1}.yaml".format(self.__class__.__name__, self._testMethodName)
+        return f"{self.__class__.__name__}.{self._testMethodName}.yaml"
 
 
 class VCRTestCase(VCRMixin, unittest.TestCase):

vcr/util.py

@@ -1,9 +1,5 @@
 import types
-
-try:
-    from collections.abc import Mapping, MutableMapping
-except ImportError:
-    from collections import Mapping, MutableMapping
+from collections.abc import Mapping, MutableMapping
 
 
 # Shamelessly stolen from https://github.com/kennethreitz/requests/blob/master/requests/structures.py
@@ -31,7 +27,7 @@ class CaseInsensitiveDict(MutableMapping):
     """
 
     def __init__(self, data=None, **kwargs):
-        self._store = dict()
+        self._store = {}
         if data is None:
             data = {}
         self.update(data, **kwargs)
@@ -93,9 +89,28 @@ def compose(*functions):
     return composed
 
 
+def _is_nonsequence_iterator(obj):
+    return hasattr(obj, "__iter__") and not isinstance(
+        obj,
+        (bytearray, bytes, dict, list, str),
+    )
+
+
 def read_body(request):
     if hasattr(request.body, "read"):
         return request.body.read()
+    if _is_nonsequence_iterator(request.body):
+        body = list(request.body)
+        if body:
+            if isinstance(body[0], str):
+                return "".join(body).encode("utf-8")
+            elif isinstance(body[0], (bytes, bytearray)):
+                return b"".join(body)
+            elif isinstance(body[0], int):
+                return bytes(body)
+            else:
+                raise ValueError(f"Body type {type(body[0])} not supported")
+        return b""
     return request.body