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#9559: Don't call _pre_mailbox_hook more than once

This commit is contained in:
Petri Lehtinen 2012-06-29 13:43:37 +03:00
parent 9d5d507322
commit 4e6e5a06bb
1 changed files with 5 additions and 2 deletions
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7
Lib/mailbox.py
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@ -714,8 +714,11 @@ class _singlefileMailbox(Mailbox):
"""Append message to mailbox and return (start, stop) offsets."""
self._file.seek(0, 2)
before = self._file.tell()
if len(self._toc) == 0:
# This is the first message
if len(self._toc) == 0 and not self._pending:
# This is the first message, and the _pre_mailbox_hook
# hasn't yet been called. If self._pending is True,
# messages have been removed, so _pre_mailbox_hook must
# have been called already.
self._pre_mailbox_hook(self._file)
try:
self._pre_message_hook(self._file)