8000 [email] bpo-29478: Fix passing max_line_length=None from Compat32 policy by mircea-cosbuc · Pull Request #595 · python/cpython · GitHub
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[email] bpo-29478: Fix passing max_line_length=None from Compat32 policy #595

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Merged
merged 3 commits into from
Jun 12, 2017
Merged

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

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a87e200
bpo-29478: Fix passing max_line_length=None from Compat32 policy
mircea-cosbuc Mar 10, 2017
239cb0e
Update Misc/ACKS
mircea-cosbuc Jun 9, 2017
c742f6e
Update Misc/NEWS
mircea-cosbuc Jun 10, 2017
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bpo-29478: Fix passing max_line_length=None from Compat32 policy
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@mircea-cosbuc
mircea-cosbuc committed Jun 12, 2017
commit a87e200a7493f470fdc371dd2c524b35608da059
8 changes: 6 additions & 2 deletions Lib/email/_policybase.py
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Original file line number Diff line number Diff line change
Expand Up @@ -361,8 +361,12 @@ def _fold(self, name, value, sanitize):
# 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)

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7 changes: 7 additions & 0 deletions Lib/test/test_email/test_generator.py
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Expand Up @@ -162,6 +162,13 @@ def test_set_mangle_from_via_policy(self):
g.flatten(msg)
self.assertEqual(s.getvalue(), self.typ(expected))

def test_compat32_max_line_length_does_not_fold_when_none(self):
msg = self.msgmaker(self.typ(self.refold_long_expected[0]))
s = self.ioclass()
g = self.genclass(s, policy=policy.compat32.clone(max_line_length=None))
g.flatten(msg)
self.assertEqual(s.getvalue(), self.typ(self.refold_long_expected[0]))


class TestGenerator(TestGeneratorBase, TestEmailBase):

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