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#2532: Documented strange behaviour in "PreparedRequest.prepare_cookies", caused by cookielib. Also documented a workaround if absolutely necessary.

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Smiley Barry
2015-04-06 21:00:51 +03:00
parent 956ec8321a
commit e3c7b43fc9
1 changed files with 9 additions and 1 deletions
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requests/models.py
+9 -1
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@@ -501,7 +501,15 @@ class PreparedRequest(RequestEncodingMixin, RequestHooksMixin):
self.prepare_content_length(self.body)
def prepare_cookies(self, cookies):
"""Prepares the given HTTP cookie data."""
"""Prepares the given HTTP cookie data.
This function eventually generates a ``Cookie`` header from the
given cookies using cookielib. Due to cookielib's design, the header
will not be regenerated if it already exists, meaning this function
can only be called once for the life of the
:class:`PreparedRequest <PreparedRequest>` object. Any subsequent calls
to ``prepare_cookies`` will have no actual effect, unless the "Cookie"
header is removed beforehand."""
if isinstance(cookies, cookielib.CookieJar):
self._cookies = cookies