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docs/automatic_conversion.rst
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Jon Dufresne
Trim trailing white space throughout the project
10 сен 2018, 23:58
10 сен 2018, 23:58
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.. _automatic-conversion: Automatic conversion to Py2/3 ============================= The ``future`` source tree includes scripts called ``futurize`` and ``pasteurize`` to aid in making Python 2 code or Python 3 code compatible with both platforms (Py2/3) using the :mod:`future` module. These are based on ``lib2to3`` and use fixers from ``2to3``, ``3to2``, and ``python-modernize``. ``futurize`` passes Python 2 code through all the appropriate fixers to turn it into valid Python 3 code, and then adds ``__future__`` and ``future`` package imports. For conversions from Python 3 code to Py2/3, use the ``pasteurize`` script instead. This converts Py3-only constructs (e.g. new metaclass syntax) and adds ``__future__`` and ``future`` imports to the top of each module. In both cases, the result should be relatively clean Py3-style code that runs mostly unchanged on both Python 2 and Python 3. .. include:: futurize.rst .. include:: futurize_cheatsheet.rst .. include:: pasteurize.rst .. include:: conversion_limitations.rst