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27 lines
1006 B
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.. highlight:: c
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.. _cporting-howto:
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*************************************
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Porting Extension Modules to Python 3
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*************************************
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We recommend the following resources for porting extension modules to Python 3:
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* The `Migrating C extensions`_ chapter from
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*Supporting Python 3: An in-depth guide*, a book on moving from Python 2
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to Python 3 in general, guides the reader through porting an extension
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module.
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* The `Porting guide`_ from the *py3c* project provides opinionated
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suggestions with supporting code.
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* The `Cython`_ and `CFFI`_ libraries offer abstractions over
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Python's C API.
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Extensions generally need to be re-written to use one of them,
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but the library then handles differences between various Python
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versions and implementations.
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.. _Migrating C extensions: http://python3porting.com/cextensions.html
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.. _Porting guide: https://py3c.readthedocs.io/en/latest/guide.html
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.. _Cython: https://cython.org/
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.. _CFFI: https://cffi.readthedocs.io/en/latest/
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