Use ruff as linter

pyproject.toml

@@ -18,3 +18,19 @@ ignore-regex = "\\\\[fnrstv]"
 markers = [
     "online",
 ]
+
+[tool.ruff]
+select = [
+    "C4",  # flake8-comprehensions
+    "COM", # flake8-commas
+    "I",   # isort
+    "ISC", # flake8-implicit-str-concat
+    "PIE", # flake8-pie
+    "RUF", # Ruff-specific rules
+    "UP",  # pyupgrade
+]
+line-length = 110
+target-version = "py38"
+
+[tool.ruff.isort]
+known-first-party = [ "vcr" ]

tests/integration/test_aiohttp.py

@@ -7,9 +7,9 @@ import pytest
 asyncio = pytest.importorskip("asyncio")
 aiohttp = pytest.importorskip("aiohttp")
 
-import vcr  # noqa: E402
+import vcr
 
-from .aiohttp_utils import aiohttp_app, aiohttp_request  # noqa: E402
+from .aiohttp_utils import aiohttp_app, aiohttp_request
 
 
 def run_in_loop(fn):
@@ -278,9 +278,7 @@ 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 dict(cassette_response.request_info.headers.items()) == dict(response.request_info.headers.items())
     assert cassette_response.request_info.real_url == response.request_info.real_url
 
 
@@ -351,7 +349,10 @@ def test_cookies(httpbin_both, httpbin_ssl_context, tmpdir):
             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)
                 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)
@@ -361,7 +362,10 @@ def test_cookies(httpbin_both, httpbin_ssl_context, tmpdir):
             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)
                 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)
@@ -407,7 +411,7 @@ def test_cookies_redirect(httpbin_both, httpbin_ssl_context, tmpdir):
         # 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)

tests/integration/test_boto.py

@@ -2,14 +2,14 @@ import pytest
 
 boto = pytest.importorskip("boto")
 
-from configparser import DuplicateSectionError  # NOQA
+from configparser import DuplicateSectionError
 
-import boto  # NOQA
-import boto.iam  # NOQA
-from boto.s3.connection import S3Connection  # NOQA
-from boto.s3.key import Key  # NOQA
+import boto
+import boto.iam
+from boto.s3.connection import S3Connection
+from boto.s3.key import Key
 
-import vcr  # NOQA
+import vcr
 
 
 def test_boto_stubs(tmpdir):

tests/integration/test_boto3.py

@@ -4,13 +4,13 @@ import pytest
 
 boto3 = pytest.importorskip("boto3")
 
-import boto3  # NOQA
-import botocore  # NOQA
+import boto3
+import botocore
 
-import vcr  # NOQA
+import vcr
 
 try:
-    from botocore import awsrequest  # NOQA
+    from botocore import awsrequest
 
     botocore_awsrequest = True
 except ImportError:

tests/integration/test_httpx.py

@@ -5,8 +5,8 @@ import pytest
 asyncio = pytest.importorskip("asyncio")
 httpx = pytest.importorskip("httpx")
 
-import vcr  # noqa: E402
-from vcr.stubs.httpx_stubs import HTTPX_REDIRECT_PARAM  # noqa: E402
+import vcr
+from vcr.stubs.httpx_stubs import HTTPX_REDIRECT_PARAM
 
 
 class BaseDoRequest:
@@ -185,9 +185,7 @@ def test_redirect(mockbin, yml, do_request):
     # 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()
-    }
+    assert dict(cassette_response.request.headers.items()) == dict(response.request.headers.items())
 
 
 @pytest.mark.online
@@ -242,10 +240,10 @@ def test_behind_proxy(do_request):
 @pytest.mark.online
 def test_cookies(tmpdir, mockbin, 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"}

tests/integration/test_matchers.py

@@ -72,7 +72,12 @@ def test_method_matcher(cassette, httpbin, httpbin_secure):
 
 
 @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)

tests/integration/test_requests.py

@@ -5,7 +5,7 @@ from assertions import assert_cassette_empty, assert_is_json_bytes
 import vcr
 
 requests = pytest.importorskip("requests")
-from requests.exceptions import ConnectionError  # noqa E402
+from requests.exceptions import ConnectionError  # E402
 
 
 def test_status_code(httpbin_both, tmpdir):
@@ -171,7 +171,8 @@ 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

tests/integration/test_tornado.py

@@ -242,7 +242,10 @@ def test_unsupported_features_raise_error_disabled(get_client, tmpdir):
 
     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)

tests/integration/test_urllib3.py

@@ -16,7 +16,8 @@ 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.
     )
 
 

tests/integration/test_wild.py

@@ -7,7 +7,7 @@ import pytest
 
 requests = pytest.importorskip("requests")
 
-import vcr  # NOQA
+import vcr
 
 
 def test_domain_redirect():

tests/unit/test_cassettes.py

@@ -20,10 +20,13 @@ 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
@@ -218,7 +221,7 @@ 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")
 

tests/unit/test_errors.py

@@ -55,15 +55,17 @@ 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)
+        "Can't overwrite existing cassette ({!r}) in your current record mode ({!r}).\n"
+        "No match for the request ({!r}) was found.\n"
+        "{}".format(cassette._path, cassette.record_mode, failed_request, expected_message)
     )
     assert exception_message == expected

tests/unit/test_matchers.py

@@ -74,10 +74,16 @@ 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 +92,38 @@ 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 +134,16 @@ 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"},
             ),
         ),
         (
@@ -139,10 +166,16 @@ 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_response.py

@@ -88,11 +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_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")
 

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 +368,7 @@ 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

tests/unit/test_vcr_import.py

@@ -6,7 +6,7 @@ def test_vcr_import_deprecation(recwarn):
         # Remove imported module entry if already loaded in another test
         del sys.modules["vcr"]
 
-    import vcr  # noqa: F401
+    import vcr
 
     if sys.version_info[0] == 2:
         assert len(recwarn) == 1

tox.ini

@@ -37,15 +37,10 @@ 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
+    ruff check .
 deps =
-  flake8
   black
-  isort
+  ruff
 basepython = python3.10
 
 [testenv:docs]

vcr/__init__.py

@@ -2,7 +2,7 @@ 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  # import is not used in this file
 
 __version__ = "5.0.0"
 

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

@@ -81,7 +81,8 @@ 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"]
@@ -280,7 +281,7 @@ class Cassette:
                 return response
         # The cassette doesn't contain the request asked for.
         raise UnhandledHTTPRequestError(
-            f"The cassette ({self._path!r}) doesn't contain the request ({request!r}) asked for"
+            f"The cassette ({self._path!r}) doesn't contain the request ({request!r}) asked for",
         )
 
     def responses_of(self, request):
@@ -295,7 +296,7 @@ class Cassette:
             return responses
         # The cassette doesn't contain the request asked for.
         raise UnhandledHTTPRequestError(
-            f"The cassette ({self._path!r}) doesn't contain the request ({request!r}) asked for"
+            f"The cassette ({self._path!r}) doesn't contain the request ({request!r}) asked for",
         )
 
     def rewind(self):

vcr/config.py

@@ -162,7 +162,8 @@ 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 +187,12 @@ 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 +202,12 @@ 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)

vcr/errors.py

@@ -14,29 +14,28 @@ class CannotOverwriteExistingCassetteException(Exception):
         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])
+                len(best_matches),
+                len(best_matches[0][2]),
             )
 
             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)
+            "Can't overwrite existing cassette ({!r}) in "
+            "your current record mode ({!r}).\n"
+            "No match for the request ({!r}) was found.\n"
+            "{}".format(cassette._path, cassette.record_mode, failed_request, best_matches_msg)
         )
 
 
 class UnhandledHTTPRequestError(KeyError):
     """Raised when a cassette does not contain the request we want."""
-
-    pass

vcr/migration.py

@@ -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):
@@ -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]

vcr/patch.py

@@ -18,13 +18,13 @@ try:
     from botocore.awsrequest import AWSHTTPConnection, AWSHTTPSConnection
 except ImportError as e:
     try:
-        import botocore.vendored.requests  # noqa: F401
+        import botocore.vendored.requests
     except ImportError:  # pragma: no cover
         pass
     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 +53,7 @@ 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)",
         )
 
 
@@ -144,7 +144,9 @@ 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):
@@ -186,7 +188,7 @@ class CassettePatcherBuilder:
         bases = (base_class,)
         if not issubclass(base_class, object):  # Check for old style class
             bases += (object,)
-        return type(f"{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):
@@ -333,10 +335,10 @@ class CassettePatcherBuilder:
 
     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),

vcr/request.py

@@ -46,7 +46,7 @@ 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,
         )
         self.headers[key] = value

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.",
     )
 
 

vcr/stubs/__init__.py

@@ -261,7 +261,8 @@ class VCRConnection:
         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

vcr/stubs/aiohttp_stubs.py

@@ -35,7 +35,7 @@ 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
@@ -162,7 +162,7 @@ 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
+        "body": body,
         "url": str(response.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/tornado_stubs.py

@@ -31,7 +31,7 @@ def vcr_fetch_impl(cassette, real_fetch_impl):
                 error=Exception(
                     "The request (%s) 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." % repr(request),
                 ),
                 request_time=self.io_loop.time() - request.start_time,
             )
@@ -65,7 +65,8 @@ 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,
                 )

vcr/util.py

@@ -27,7 +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)