Six

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- Pull request 30: Implement six.moves with a PEP 302 meta path hook.

- Pull request 32: Add six.wraps, which is like functools.wraps but always sets
the __wrapped__ attribute.

- Pull request 35: Improve add_metaclass, so that it doesn't end up inserting
another class into the hierarchy.

- Pull request 34: Add import mappings for dummy_thread.

- Pull request 33: Add import mappings for UserDict and UserList.

- Pull request 31: Select the implementations of dictionary iterator routines
at import time for a 20% speed boost.

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- Raise an AttributeError for six.moves.X when X is a module not available in
the current interpreter.

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- Raise an AttributeError for every attribute of unimportable modules.

- Issue 56: Make the fake modules six.moves puts into sys.modules appear not to
have a __path__ unless they are loaded.

- Pull request 28: Add support for SplitResult.

- Issue 55: Add move mapping for xmlrpc.server.

- Pull request 29: Add move for urllib.parse.splitquery.

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- Issue 53: Make the fake modules six.moves puts into sys.modules appear not to
have a __name__ unless they are loaded.

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- Issue 51: Hack around the Django autoreloader after recent six.moves changes.

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- Removed support for Python 2.4. This is because py.test no longer supports
2.4.

- Fix various import problems including issues 19 and 41. six.moves modules
are now lazy wrappers over the underlying modules instead of the actual
modules themselves.

- Issue 49: Add six.moves mapping for tkinter.ttk.

- Pull request 24: Add __dir__ special method to six.moves modules.

- Issue 47: Fix add_metaclass on classes with a string for the __slots__
variable.

- Issue 44: Fix interpretation of backslashes on Python 2 in the u() function.

- Pull request 21: Add import mapping for urllib's proxy_bypass function.

- Issue 43: Add import mapping for the Python 2 xmlrpclib module.

- Issue 39: Add import mapping for the Python 2 thread module.

- Issue 40: Add import mapping for the Python 2 gdbm module.

- Issue 35: On Python versions less than 2.7, print_ now encodes unicode
strings when outputting to standard streams. (Python 2.7 handles this
automatically.)