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vcrpy/vcr/patch.py
Kevin McCarthy c8299103fb pep8 fixes
2013-08-23 20:35:43 -10:00

76 lines
2.6 KiB
Python

'''Utilities for patching in cassettes'''
import httplib
from .stubs import VCRHTTPConnection, VCRHTTPSConnection
# Save some of the original types for the purposes of unpatching
_HTTPConnection = httplib.HTTPConnection
_HTTPSConnection = httplib.HTTPSConnection
try:
# Try to save the original types for requests
import requests.packages.urllib3.connectionpool as cpool
_VerifiedHTTPSConnection = cpool.VerifiedHTTPSConnection
_HTTPConnection = cpool.HTTPConnection
except ImportError: # pragma: no cover
pass
try:
# Try to save the original types for urllib3
import urllib3
_VerifiedHTTPSConnection = urllib3.connectionpool.VerifiedHTTPSConnection
except ImportError: # pragma: no cover
pass
def install(cassette):
'''Install a cassette in lieu of actuall fetching'''
httplib.HTTPConnection = httplib.HTTP._connection_class = VCRHTTPConnection
httplib.HTTPSConnection = httplib.HTTPS._connection_class = (
VCRHTTPSConnection)
httplib.HTTPConnection.cassette = cassette
httplib.HTTPSConnection.cassette = cassette
# patch requests
try:
import requests.packages.urllib3.connectionpool as cpool
from .stubs.requests_stubs import VCRVerifiedHTTPSConnection
cpool.VerifiedHTTPSConnection = VCRVerifiedHTTPSConnection
cpool.VerifiedHTTPSConnection.cassette = cassette
cpool.HTTPConnection = VCRHTTPConnection
cpool.HTTPConnection.cassette = cassette
except ImportError: # pragma: no cover
pass
# patch urllib3
try:
import urllib3.connectionpool as cpool
from .stubs.urllib3_stubs import VCRVerifiedHTTPSConnection
cpool.VerifiedHTTPSConnection = VCRVerifiedHTTPSConnection
cpool.VerifiedHTTPSConnection.cassette = cassette
cpool.HTTPConnection = VCRHTTPConnection
cpool.HTTPConnection.cassette = cassette
except ImportError: # pragma: no cover
pass
def reset():
'''Undo all the patching'''
httplib.HTTPConnection = httplib.HTTP._connection_class = _HTTPConnection
httplib.HTTPSConnection = httplib.HTTPS._connection_class = \
_HTTPSConnection
try:
import requests.packages.urllib3.connectionpool as cpool
cpool.VerifiedHTTPSConnection = _VerifiedHTTPSConnection
cpool.HTTPConnection = _HTTPConnection
except ImportError: # pragma: no cover
pass
try:
import urllib3.connectionpool as cpool
cpool.VerifiedHTTPSConnection = _VerifiedHTTPSConnection
cpool.HTTPConnection = _HTTPConnection
except ImportError: # pragma: no cover
pass