Fix IMAP4WithTimeout compatibility with Python 3.14#641
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Python 3.14 changed imaplib.IMAP4.file from a plain instance attribute
to a read-only property (see cpython commit introducing the change). The
open() override in IMAP4WithTimeout assigned to self.file directly, which
now raises:
AttributeError: property 'file' of 'IMAP4WithTimeout' object has no setter
The fix mirrors what was already done for IMAP4_TLS in commit 64250b0:
remove the open() override entirely and instead pass the timeout through
to the parent __init__, which calls open() itself using self._file
internally. The _create_socket override is kept as-is so the stored
self._timeout fallback still applies for any call path that omits an
explicit timeout.
Fixes mjs#638
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Python 3.14 changed imaplib.IMAP4.file from a plain instance attribute to a read-only property (see cpython commit introducing the change). The open() override in IMAP4WithTimeout assigned to self.file directly, which now raises:
The fix mirrors what was already done for IMAP4_TLS in commit 64250b0: remove the open() override entirely and instead pass the timeout through to the parent init, which calls open() itself using self._file internally. The _create_socket override is kept as-is so the stored self._timeout fallback still applies for any call path that omits an explicit timeout.
Fixes #638