an overzealous DNS service (e.g. OpenDNS) redirects to a placeholder
Web site.

DNS service (e.g. OpenDNS) resolves a non-existent domain name.  The test
is now skipped instead.

reset, check the version of the OpenSSL headers Python was compiled against,
rather than the runtime version of the OpenSSL library.

The Python signal handler for SIGABRT is not called on os.abort() (only if the
signal is raised manually or sent by another process). Patch by Kamil Kisiel.

OS X window manager connection in tk tests, use OS X Application Services
API calls instead.

scripts using a encoding different than UTF-8 (read the coding cookie of the
script).

subprocess.Popen.communicate() now also handles EINTR errors if the process has
only one pipe.

tests.

testcase failure in test_ssl.

issue10403 - Let's not use members anymore. Use 'attribute' where it denotes attribute and 'methods' where it denotes methods. Context should clarify usage.

fresh process with only one thread and to not change signal handling of the
parent process.

On FreeBSD, the SIGALRM signal is sometimes received by the reader thread.

test_tk or test_ttk_guionly under a username that is not currently logged
in to the console windowserver (as may be the case under buildbot or ssh).

shutdown, if globals()['__file__'] is None.

shutdown, if globals()['__file__'] is None.

instead of text mode using the locale encoding, to avoid encoding issues.

instead of text mode using the locale encoding, to support other encodings than
UTF-8 (scripts using the coding cookie).

of the text mode (using the locale encoding) to avoid encoding issues.

This requires some trickery to properly save the exception state if the
generator creates its own exception state.

This prevents generator exception state from leaking into the caller.

Closes #12475.