Patch by Alessandro Moura.

This fixes a regression introduced in the commit for issue #15302, which
switched regrtest from getopt to argparse.

file descriptor receive the incorrect type.

file descriptor receive the incorrect type.

Add a comment about *not* caching the hash value. Issue #9685 suggested to memorize the hash value, but the feature request was rejected because no speed ups were found.

Issue #16884: updated logging documentation to include lastResort and use 'note' directives where appropriate.

Found by Christian with Coverity.

Issue #8109: The ssl module now has support for server-side SNI, thanks to a :meth:`SSLContext.set_servername_callback` method.
Patch by Daniel Black.

In conformance with the documentation and the Python version.
Patch by Franck Michea.

In conformance with the documentation and the Python version.
Patch by Franck Michea.

close-on-exec flag atomically.

a key whose repr raise an exception.

a key whose repr raise an exception.