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Metadata-Version: 2.1
Name: future
Version: 1.0.0
Summary: Clean single-source support for Python 3 and 2
Home-page: https://python-future.org
Author: Ed Schofield
Author-email: ed@pythoncharmers.com
License: MIT
Project-URL: Source, https://github.com/PythonCharmers/python-future
Keywords: future past python3 migration futurize backport six 2to3 modernize pasteurize 3to2
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.6
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.3
Classifier: Programming Language :: Python :: 3.4
Classifier: Programming Language :: Python :: 3.5
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: License :: OSI Approved
Classifier: License :: OSI Approved :: MIT License
Classifier: Development Status :: 6 - Mature
Classifier: Intended Audience :: Developers
Requires-Python: >=2.6, !=3.0.*, !=3.1.*, !=3.2.*
License-File: LICENSE.txt


future: Easy, safe support for Python 2/3 compatibility
=======================================================

``future`` is the missing compatibility layer between Python 2 and Python
3. It allows you to use a single, clean Python 3.x-compatible codebase to
support both Python 2 and Python 3 with minimal overhead.

It is designed to be used as follows::

    from __future__ import (absolute_import, division,
                            print_function, unicode_literals)
    from builtins import (
             bytes, dict, int, list, object, range, str,
             ascii, chr, hex, input, next, oct, open,
             pow, round, super,
             filter, map, zip)

followed by predominantly standard, idiomatic Python 3 code that then runs
similarly on Python 2.6/2.7 and Python 3.3+.

The imports have no effect on Python 3. On Python 2, they shadow the
corresponding builtins, which normally have different semantics on Python 3
versus 2, to provide their Python 3 semantics.


Standard library reorganization
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

``future`` supports the standard library reorganization (PEP 3108) through the
following Py3 interfaces:

    >>> # Top-level packages with Py3 names provided on Py2:
    >>> import html.parser
    >>> import queue
    >>> import tkinter.dialog
    >>> import xmlrpc.client
    >>> # etc.

    >>> # Aliases provided for extensions to existing Py2 module names:
    >>> from future.standard_library import install_aliases
    >>> install_aliases()

    >>> from collections import Counter, OrderedDict   # backported to Py2.6
    >>> from collections import UserDict, UserList, UserString
    >>> import urllib.request
    >>> from itertools import filterfalse, zip_longest
    >>> from subprocess import getoutput, getstatusoutput


Automatic conversion
--------------------

An included script called `futurize
<https://python-future.org/automatic_conversion.html>`_ aids in converting
code (from either Python 2 or Python 3) to code compatible with both
platforms. It is similar to ``python-modernize`` but goes further in
providing Python 3 compatibility through the use of the backported types
and builtin functions in ``future``.


Documentation
-------------

See: https://python-future.org


Credits
-------

:Author:  Ed Schofield, Jordan M. Adler, et al
:Sponsor: Python Charmers: https://pythoncharmers.com
:Others:  See docs/credits.rst or https://python-future.org/credits.html


Licensing
---------
Copyright 2013-2024 Python Charmers, Australia.
The software is distributed under an MIT licence. See LICENSE.txt.