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bpo-39259: smtp.SMTP/SMTP_SSL now reject timeout = 0 (GH-17958)

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Dong-hee Na 2020-01-14 16:49:59 +09:00 • committed by Victor Stinner
parent 2de064e630
commit 62e3973395
5 changed files with 29 additions and 7 deletions
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6
Doc/library/smtplib.rst
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@ -70,6 +70,9 @@ Protocol) and :rfc:`1869` (SMTP Service Extensions).
.. versionadded:: 3.5
The SMTPUTF8 extension (:rfc:`6531`) is now supported.
.. versionchanged:: 3.9
If the *timeout* parameter is set to be zero, it will raise a
:class:`ValueError` to prevent the creation of a non-blocking socket
.. class:: SMTP_SSL(host='', port=0, local_hostname=None, keyfile=None, \
certfile=None [, timeout], context=None, \
@ -108,6 +111,9 @@ Protocol) and :rfc:`1869` (SMTP Service Extensions).
:func:`ssl.create_default_context` select the system's trusted CA
certificates for you.
.. versionchanged:: 3.9
If the *timeout* parameter is set to be zero, it will raise a
:class:`ValueError` to prevent the creation of a non-blocking socket
.. class:: LMTP(host='', port=LMTP_PORT, local_hostname=None, source_address=None)

7
Doc/whatsnew/3.9.rst
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@ -259,6 +259,13 @@ now raises :exc:`ImportError` instead of :exc:`ValueError` for invalid relative
import attempts.
(Contributed by Ngalim Siregar in :issue:`37444`.)
smtplib
-------
:class:`~smtplib.SMTP` and :class:`~smtplib.SMTP_SSL` now raise a :class:`ValueError`
if the given timeout for their constructor is zero to prevent the creation of
a non-blocking socket. (Contributed by Dong-hee Na in :issue:`39259`.)
signal
------