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May 25, 2020 · I recently needed to download Python packages on a macOS machine with Python 3.7 to deploy later on a Linux machine with Python 3.7. I therefore executed the following command to download the needed packages: pip3 download --platform manylinux1_x86_64 --python-version 3.7 --abi cp37m --only-binary :all: <package>
Nov 15, 2022 · This is where the stable ABI becomes critical: instead of building one wheel per Python, version packagers can build an “abi3” wheel for the lowest supported Python version. This comes with the guarantee that the wheel will work on all future (minor) releases, solving both the build matrix size problem and the ecosystem bootstrapping problem above.
Sep 18, 2023 · PEP 703 poses some issues regarding the stable ABI. I’ve described these issue below along with a short proposal. tl;dr The --disable-gil builds of CPython 3.13 will not be able to load existing wheels that target the stable ABI. However, we can make wheels that target the 3.13+ stable ABI work with both the default (with GIL) and --disable-gil builds going forward. Background CPython C API ...
Nov 13, 2024 · ABI Tag# The ABI tag indicates which Python ABI is required by any included extension modules. For implementation-specific ABIs, the implementation is abbreviated in the same way as the Python Tag, e.g. cp33d would be the CPython 3.3 ABI with debugging. The CPython stable ABI is abi3 as in the shared library suffix.
Jul 20, 2024 · Here is an example of how the Python ABI is used in CPython. Consider the following Python code: import math. result = math.sqrt(16.0) This code imports the math module and calls the sqrt() function to calculate the square root of 16.0. The math module is implemented as a C extension module, which is linked dynamically to the Python interpreter.
In other words: if you build against the stable ABI for Python 3.5, your extension should work without modification on Python 3.9. The stable ABI simplifies packaging of CPython extensions, since the packager only needs to build one abi3 wheel that targets the minimum supported Python version. To signal that a Python wheel contains abi3 ...
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Feb 2, 2021 · Motivation. :pep: 384 defined a limited API and stable ABI, which allows extenders and. embedders of CPython to compile extension modules that are binary-compatible. with any subsequent version of 3.x. In theory, this brings several advantages. A module can be built only once per platform and support multiple versions.
