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[email] bpo-29478: Fix passing max_line_length=None from Compat32 policy (GH-595)

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If max_line_length=None is specified while using the Compat32 policy,
it is no longer ignored.
This commit is contained in:
mircea-cosbuc 2017-06-12 08:43:41 +02:00 • committed by Mariatta
parent 3fd54d4a7e
commit b459f74826
4 changed files with 17 additions and 2 deletions
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8
Lib/email/_policybase.py
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@ -361,8 +361,12 @@ class Compat32(Policy):
# Assume it is a Header-like object.
h = value
if h is not None:
parts.append(h.encode(linesep=self.linesep,
maxlinelen=self.max_line_length))
# The Header class interprets a value of None for maxlinelen as the
# default value of 78, as recommended by RFC 2822.
maxlinelen = 0
if self.max_line_length is not None:
maxlinelen = self.max_line_length
parts.append(h.encode(linesep=self.linesep, maxlinelen=maxlinelen))
parts.append(self.linesep)
return ''.join(parts)