This avoids race conditions when other programs are monitoring
the maildir directory.  Patch by janzert.

(fixes a regression in 3d46ef0c62c5, issue #18873)

source code encoding only in comment lines.

Initial patch by Bruno Piguet.

This is implemented as if a useful .netrc file could exist without passwords,
which is possible in the general case; but in fact our netrc implementation
does not support it.  Fixing that issue will be an enhancement.

Patch by Vlad Shcherbina

The SSLFakeFile.readline() method needs to support limiting readline() as
well.  It's not a full emulation of readline()'s signature, but this class
is only used by smtplib's code, so it doesn't have to be.

Modified version of original patch by Christian Heimes.

Patch contributed by Vajrasky Kok. Addresses Issue #17324

if all necessary functions are already found in libuuid.
Patch by Evgeny Sologubov.

Addresses issue #14927

Patch contributed by Anoop Thomas Mathew.

Addresses issue #18438

 unittest test discovery no longer gets confused when a function
has a different __name__ than its name in the TestCase class dictionary.

Patch contributed by Olivier Hervieu and Dmi Baranov.

Addresses issue #18553

existing directory caused mkstemp and related APIs to fail instead of
retrying. Report and fix by Vlad Shcherbina.

the _sre moduel.

when input list contains duplicates.

Issue #18709: GCC 4.6 complains that 'v' may be used uninitialized in GEN_EMAIL/GEN_URI/GEN_DNS case

Issue #18709: GCC 4.6 complains that 'v' may be used uninitialized in GEN_EMAIL/GEN_URI/GEN_DNS case

64-bit pointer to long (32 bits).

Issue #18876: The FileIO.mode attribute now better reflects the actual mode under which the file was opened.
Patch by Erik Bray.