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7 views1 page

Howto Cporting

Uploaded by

datacollector0007
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We take content rights seriously. If you suspect this is your content, claim it here.
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Porting Extension Modules to Python

3
Release 3.13.6

Guido van Rossum and the Python development team

August 10, 2025


Python Software Foundation
Email: docs@python.org

Contents

We recommend the following resources for porting extension modules to Python 3:


• The Migrating C extensions chapter from Supporting Python 3: An in-depth guide, a book on moving from
Python 2 to Python 3 in general, guides the reader through porting an extension module.
• The Porting guide from the py3c project provides opinionated suggestions with supporting code.
• Recommended third party tools offer abstractions over the Python’s C API. Extensions generally need to be
re-written to use one of them, but the library then handles differences between various Python versions and
implementations.

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