Validate license-files glob patterns #4841
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cdce8p
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cdce8p
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Feb 18, 2025
setuptools/dist.py
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| def _validate_and_expand_pattern(self, pattern): | ||
| """Validate license file patterns according to the PyPA specifications. | ||
| https://packaging.python.org/en/latest/specifications/pyproject-toml/#license-files | ||
| """ | ||
| if ".." in pattern: | ||
| raise InvalidConfigError( | ||
| f"License file pattern '{pattern}' cannot contain '..'" | ||
| ) | ||
| if pattern.startswith((os.sep, "/")) or ":\\" in pattern: | ||
| raise InvalidConfigError( | ||
| f"License file pattern '{pattern}' should be relative and " | ||
| "must not start with '/'" | ||
| ) | ||
| if _license_files_allowed_chars.match(pattern) is None: | ||
| raise InvalidConfigError( | ||
| f"License file pattern '{pattern}' contains invalid " | ||
| "characters. " | ||
| "https://packaging.python.org/en/latest/specifications/pyproject-toml/#license-files" | ||
| ) |
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This is similar to the validation pattern I added in flit a few weeks ago. pypa/flit#705
cdce8p
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Thank you very much @cdce8p. I think I would like to absorb some of these validations into #4838. We will need to convert the exceptions into deprecation warnings as there is a change builds start to fail It is a bit annoying that PEP 638 is so heavy in terms of mandatory validations... |
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Alternative approach to #4838.
Validate each pattern and raise an exception if it is invalid or a pattern doesn't match any license files.
This will also apply to existing configs with
license-filesinsetup.cfgandtools.setuptools.license-files, however I don't think that's an issue as these are almost always real problems and easy to fix.Ref: #4829