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docs/conversion_limitations.rst
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Ed Schofield
Docs: improve organization
15 дек 2014, 02:12
15 дек 2014, 02:12
fd44b5e
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.. _futurize-limitations: Known limitations ----------------- ``futurize`` and ``pasteurize`` are useful to automate much of the work of porting, particularly the boring repetitive text substitutions. They also help to flag which parts of the code require attention. Nevertheless, ``futurize`` and ``pasteurize`` are still incomplete and make some mistakes, like 2to3, on which they are based. Please report bugs on `GitHub <https://github.com/PythonCharmers/python-future/>`_. Contributions to the ``lib2to3``-based fixers for ``futurize`` and ``pasteurize`` are particularly welcome! Please see :ref:`contributing`. ``futurize`` doesn't currently make the following change automatically: 1. Strings containing ``\U`` produce a ``SyntaxError`` on Python 3. An example is:: s = 'C:\Users'. Python 2 expands this to ``s = 'C:\\Users'``, but Python 3 requires a raw prefix (``r'...'``). This also applies to multi-line strings (including multi-line docstrings). Also see the tests in ``future/tests/test_futurize.py`` marked ``@expectedFailure`` or ``@skip`` for known limitations.