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gh-88574: Handle extra blank response line in imaplib #26701

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gh-88574: Handle extra blank response line in imaplib #26701

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In imaplib, deal with extra blank line 
Some (buggy) IMAP servers add an extra blank line after a literal value. This ignores the blank line.
MacOS mail and T'bird can deal with the blank line so it seems to be a somewhat common server bug.
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@jrlevine
jrlevine authored Jun 13, 2021
commit 30f68db816c96c7783ce6a8adcc983b90b3a6f5b
3 changes: 3 additions & 0 deletions Lib/imaplib.py
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Expand Up @@ -1128,6 +1128,9 @@ def _get_response(self):
# Read trailer - possibly containing another literal

dat = self._get_line()
# ignore blank line some servers send after the counted data
if dat == b'':
dat = self._get_line()

self._append_untagged(typ, dat)

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