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Allow errors for missing [build-system] table with no metadata #1944

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Merged
merged 2 commits into from
Nov 10, 2025
Merged

Allow errors for missing [build-system] table with no metadata #1944

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ac13541
Allow errors for missing `[build-system]` table with no metadata
pradyunsg Nov 9, 2025
a8d0421
Merge branch 'main' into allow-presenting-errors-on-missing-metadata
ncoghlan Nov 10, 2025
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4 changes: 4 additions & 0 deletions source/specifications/pyproject-toml.rst
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Expand Up @@ -61,6 +61,10 @@ table then the default values as specified above should be used.
If the table is specified but is missing required fields then the tool
should consider it an error.

Tools may choose to present an error to the user if the file exists,
``[build-system]`` table is missing, and there is no clear indication
that the project should be built (e.g., no setup.py/setup.cfg or other
build configuration files, and no ``[project]`` table).

To provide a type-specific representation of the resulting data from
the TOML file for illustrative purposes only, the following
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