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#14983: always add a line end after a MIME boundary marker.

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This is more RFC compliant (see issue) and fixes a problem with
signature verifiers rejecting the part when signed.  There is some
amount of backward compatibility concern here since it changes
the output, but the RFC issue coupled with fixing the problem
with signature verifiers seems worth the small risk of breaking
code that depends on the current incorrect output.
This commit is contained in:
R David Murray 2014-02-08 17:54:56 -05:00
parent 409ea5dac1
commit e9c31470e1
4 changed files with 16 additions and 7 deletions
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3
Lib/email/generator.py
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@ -299,9 +299,8 @@ class Generator:
# body-part
self._fp.write(body_part)
# close-delimiter transport-padding
self.write(self._NL + '--' + boundary + '--')
self.write(self._NL + '--' + boundary + '--' + self._NL)
if msg.epilogue is not None:
self.write(self._NL)
if self._mangle_from_:
epilogue = fcre.sub('>From ', msg.epilogue)
else: