backport context argument of urlopen (#22366) for pep 476
diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index 019f59c..23ac29b 100644
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -16,7 +16,7 @@
The :mod:`urllib.request` module defines the following functions:
-.. function:: urlopen(url, data=None[, timeout], *, cafile=None, capath=None, cadefault=False)
+.. function:: urlopen(url, data=None[, timeout], *, cafile=None, capath=None, cadefault=False, context=None)
Open the URL *url*, which can be either a string or a
:class:`Request` object.
@@ -47,6 +47,10 @@
the global default timeout setting will be used). This actually
only works for HTTP, HTTPS and FTP connections.
+ If *context* is specified, it must be a :class:`ssl.SSLContext` instance
+ describing the various SSL options. See
+ :class:`~http.client.HTTPSConnection` for more details.
+
The optional *cafile* and *capath* parameters specify a set of trusted
CA certificates for HTTPS requests. *cafile* should point to a single
file containing a bundle of CA certificates, whereas *capath* should
@@ -111,6 +115,9 @@
.. versionchanged:: 3.3
*cadefault* was added.
+ .. versionchanged:: 3.4.3
+ *context* was added.
+
.. function:: install_opener(opener)
Install an :class:`OpenerDirector` instance as the default global opener.