- Use os.makedirs (I had forgotten about it!)
- Let TempdirManager.write_file call os.path.join for us
- Remove custom command added by test_dist
- Use a skip instead of hiding a method with an underscore
- Address pyflakes warnings

I need this for some tests, and it makes code clearer.  This commit also
changes some assertEqual calls to use (actual, expected) order and fix
some pyflakes warnings.

The code is still ugly, but at least it works better now.  Patches to
make it easier to read are welcome, as well as support in #12915.

when imported, instead doing it at build time.  This makes importing
sysconfig faster and reduces Python startup time by 20%.

generator.throw() now gets the traceback from the passed exception's
``__traceback__`` attribute.  Patch by Petri Lehtinen.

generator.throw() now gets the traceback from the passed exception's
`__traceback__` attribute.  Patch by Petri Lehtinen.

  in order to display the prompt correctly.  Patch by Petri Lehtinen.

encoding, to read and write MH mailboxes (.mh_sequences files).

works properly.

PyErr_SetFromErrnoWithFilenameObject() was already fixed by the changeset
793c75177d28. This commit fixes PyErr_SetExcFromWindowsErrWithFilenameObject(),
used on Windows.

See the FreeBSD bug:
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/155606

Merge #13194: zlib.compressobj().copy() and zlib.decompressobj().copy() are now available on Windows.

Issue #13194: zlib.compressobj().copy() and zlib.decompressobj().copy() are now available on Windows.

On Fedora, new files get the 'security.selinux' attribute.