[issue11289] smtplib context manager

[Giampaolo Rodola']

New submission from Giampaolo Rodola' <g.rodola at gmail.com>:

Patch in attachment provides a context manager for SMTP class so that it can be used with the "with" statement.

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messages: 129096
nosy: giampaolo.rodola, pitrou
priority: normal
severity: normal
status: open
title: smtplib context manager
versions: Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11289>
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