Issue #19422: Explicitly disallow non-SOCK_STREAM sockets in the ssl module, rather than silently let them emit clear text data.

In issue 20074 it was pointed out that getpass would fail with a traceback if
stdin was, for example /dev/null, which is a non-unlikely scenario.

Also backported the tests from issue 17484 as modified by issue 18116.

(What I really did was copy getpass.py and test_getpass.py from their
state on tip as of 17bd04fbf3d3).

disabled since 3.0 due to the changes in listcomp handling.

methods.

the same result as in 2.x.

Fix urllib.request.build_opener mocking in test_distutils (should fix some random buildbot failures)

Issue #18879: When a method is looked up on a temporary file, avoid closing the file before the method is possibly called.

from X.org distribution using makelocalealias.py.

locale encodings with hyphens.

ValueError if num is negative (instead of raising a SystemError).

(wrong type).

quotechar fields.  Original patch by Vajrasky Kok.

Patch by Serhiy Storchaka.

Original patch by Simon Sapin.