backport context argument of urlopen (#22366) for pep 476
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index 67c7566..e0c8116 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -136,9 +136,14 @@
_opener = None
def urlopen(url, data=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
- *, cafile=None, capath=None, cadefault=False):
+ *, cafile=None, capath=None, cadefault=False, context=None):
global _opener
if cafile or capath or cadefault:
+ if context is not None:
+ raise ValueError(
+ "You can't pass both context and any of cafile, capath, and "
+ "cadefault"
+ )
if not _have_ssl:
raise ValueError('SSL support not available')
context = ssl._create_stdlib_context(cert_reqs=ssl.CERT_REQUIRED,
@@ -146,6 +151,9 @@
capath=capath)
https_handler = HTTPSHandler(context=context, check_hostname=True)
opener = build_opener(https_handler)
+ elif context:
+ https_handler = HTTPSHandler(context=context)
+ opener = build_opener(https_handler)
elif _opener is None:
_opener = opener = build_opener()
else: