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#20476: Deal with the message_factory circular import differently.

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It turns out we can't depend on email.message getting imported every place
message_factory is needed, so to avoid a circular import we need to special
case Policy.message_factory=None in the parser instead of using monkey
patching.  I had a feeling that was a bad idea when I did it.
This commit is contained in:
R David Murray 2016-09-10 00:22:25 -04:00
parent c7454ff5fc
commit b067c8fdd1
5 changed files with 9 additions and 8 deletions
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3
Lib/email/message.py
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@ -1162,6 +1162,3 @@ class EmailMessage(MIMEPart):
super().set_content(*args, **kw)
if 'MIME-Version' not in self:
self['MIME-Version'] = '1.0'
# Set message_factory on Policy here to avoid a circular import.
Policy.message_factory = Message