an exception set (invalid state).

the exception to not call open() with an exception set.

raise a new exception

Thanks to Christian Heimes for noting the buildbot failures and
to Zachary Ware for providing the patch to make the new tests
play nice with both other platforms and unittest test discovery

Early in the PEP 451 implementation some of the importlib loaders had
their own _get_spec() methods to simplify accommodating them.  However,
later implementations removed the need.  They simply failed to remove
this code at the same time. :)

Patch by Serhiy Storchaka.

Original patch by Simon Sapin.

Original patch by Simon Sapin.

sys.getwindowsversion() and ossaudiodev.setparameters().
Reported by Ned Batchelder.

sys.getwindowsversion() and ossaudiodev.setparameters().
Reported by Ned Batchelder.

- handles main files without a suffix
- handles main submodules properly
- adds test cases for the various kinds of __main__

These mistakes were introduced by the initial PEP 451 merge.

Commit to simplify the backport to python 2.7 and to make the code more
consistent.

very busy/slow buildbot

busy/slow buildbot

EWOULDBLOCK on Windows or VMs hosted on Windows.

EWOULDBLOCK on Windows or VMs hosted on Windows.