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GH-127178: improve compatibility in _sysconfig_vars_(...).json#128558

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FFY00 merged 4 commits intopython:mainfrom
FFY00:gh-127178-improve-compatibility
Jan 29, 2025
Merged

GH-127178: improve compatibility in _sysconfig_vars_(...).json#128558
FFY00 merged 4 commits intopython:mainfrom
FFY00:gh-127178-improve-compatibility

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@FFY00 FFY00 commented Jan 6, 2025

This patch improves environment and platform compatibility:

  • Data now matches sysconfig.get_config_vars after install
  • userbase now correctly reflects the target platform when cross-compiling
  • test_sysconfigdata_json now takes into account the following situations:
    • Running with a non-default sys.executable path
    • Running under virtual environments
    • Running under relocatable installs

To simplify the detection of relocatable installs, which needs to look at _sysconfigdata_(...), this module is now saved in sys.modules. As part of this change, the code to import the module from a specific directory was refactored to use PathFinder, simplifying the implementation.

Signed-off-by: Filipe Laíns <lains@riseup.net

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