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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/setuptools/_normalization.py | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-4a52a71956a8d46fcb7294ac71734504bb09bcc2.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/setuptools/_normalization.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/setuptools/_normalization.py | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/setuptools/_normalization.py b/.venv/lib/python3.12/site-packages/setuptools/_normalization.py new file mode 100644 index 00000000..0937a4fa --- /dev/null +++ b/.venv/lib/python3.12/site-packages/setuptools/_normalization.py @@ -0,0 +1,179 @@ +""" +Helpers for normalization as expected in wheel/sdist/module file names +and core metadata +""" + +import re +from typing import TYPE_CHECKING + +import packaging + +# https://packaging.python.org/en/latest/specifications/core-metadata/#name +_VALID_NAME = re.compile(r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$", re.I) +_UNSAFE_NAME_CHARS = re.compile(r"[^A-Z0-9._-]+", re.I) +_NON_ALPHANUMERIC = re.compile(r"[^A-Z0-9]+", re.I) +_PEP440_FALLBACK = re.compile(r"^v?(?P<safe>(?:[0-9]+!)?[0-9]+(?:\.[0-9]+)*)", re.I) + + +def safe_identifier(name: str) -> str: + """Make a string safe to be used as Python identifier. + >>> safe_identifier("12abc") + '_12abc' + >>> safe_identifier("__editable__.myns.pkg-78.9.3_local") + '__editable___myns_pkg_78_9_3_local' + """ + safe = re.sub(r'\W|^(?=\d)', '_', name) + assert safe.isidentifier() + return safe + + +def safe_name(component: str) -> str: + """Escape a component used as a project name according to Core Metadata. + >>> safe_name("hello world") + 'hello-world' + >>> safe_name("hello?world") + 'hello-world' + >>> safe_name("hello_world") + 'hello_world' + """ + # See pkg_resources.safe_name + return _UNSAFE_NAME_CHARS.sub("-", component) + + +def safe_version(version: str) -> str: + """Convert an arbitrary string into a valid version string. + Can still raise an ``InvalidVersion`` exception. + To avoid exceptions use ``best_effort_version``. + >>> safe_version("1988 12 25") + '1988.12.25' + >>> safe_version("v0.2.1") + '0.2.1' + >>> safe_version("v0.2?beta") + '0.2b0' + >>> safe_version("v0.2 beta") + '0.2b0' + >>> safe_version("ubuntu lts") + Traceback (most recent call last): + ... + packaging.version.InvalidVersion: Invalid version: 'ubuntu.lts' + """ + v = version.replace(' ', '.') + try: + return str(packaging.version.Version(v)) + except packaging.version.InvalidVersion: + attempt = _UNSAFE_NAME_CHARS.sub("-", v) + return str(packaging.version.Version(attempt)) + + +def best_effort_version(version: str) -> str: + """Convert an arbitrary string into a version-like string. + Fallback when ``safe_version`` is not safe enough. + >>> best_effort_version("v0.2 beta") + '0.2b0' + >>> best_effort_version("ubuntu lts") + '0.dev0+sanitized.ubuntu.lts' + >>> best_effort_version("0.23ubuntu1") + '0.23.dev0+sanitized.ubuntu1' + >>> best_effort_version("0.23-") + '0.23.dev0+sanitized' + >>> best_effort_version("0.-_") + '0.dev0+sanitized' + >>> best_effort_version("42.+?1") + '42.dev0+sanitized.1' + """ + # See pkg_resources._forgiving_version + try: + return safe_version(version) + except packaging.version.InvalidVersion: + v = version.replace(' ', '.') + match = _PEP440_FALLBACK.search(v) + if match: + safe = match["safe"] + rest = v[len(safe) :] + else: + safe = "0" + rest = version + safe_rest = _NON_ALPHANUMERIC.sub(".", rest).strip(".") + local = f"sanitized.{safe_rest}".strip(".") + return safe_version(f"{safe}.dev0+{local}") + + +def safe_extra(extra: str) -> str: + """Normalize extra name according to PEP 685 + >>> safe_extra("_FrIeNdLy-._.-bArD") + 'friendly-bard' + >>> safe_extra("FrIeNdLy-._.-bArD__._-") + 'friendly-bard' + """ + return _NON_ALPHANUMERIC.sub("-", extra).strip("-").lower() + + +def filename_component(value: str) -> str: + """Normalize each component of a filename (e.g. distribution/version part of wheel) + Note: ``value`` needs to be already normalized. + >>> filename_component("my-pkg") + 'my_pkg' + """ + return value.replace("-", "_").strip("_") + + +def filename_component_broken(value: str) -> str: + """ + Produce the incorrect filename component for compatibility. + + See pypa/setuptools#4167 for detailed analysis. + + TODO: replace this with filename_component after pip 24 is + nearly-ubiquitous. + + >>> filename_component_broken('foo_bar-baz') + 'foo-bar-baz' + """ + return value.replace('_', '-') + + +def safer_name(value: str) -> str: + """Like ``safe_name`` but can be used as filename component for wheel""" + # See bdist_wheel.safer_name + return ( + # Per https://packaging.python.org/en/latest/specifications/name-normalization/#name-normalization + re.sub(r"[-_.]+", "-", safe_name(value)) + .lower() + # Per https://packaging.python.org/en/latest/specifications/binary-distribution-format/#escaping-and-unicode + .replace("-", "_") + ) + + +def safer_best_effort_version(value: str) -> str: + """Like ``best_effort_version`` but can be used as filename component for wheel""" + # See bdist_wheel.safer_verion + # TODO: Replace with only safe_version in the future (no need for best effort) + return filename_component(best_effort_version(value)) + + +def _missing_canonicalize_license_expression(expression: str) -> str: + """ + Defer import error to affect only users that actually use it + https://github.com/pypa/setuptools/issues/4894 + >>> _missing_canonicalize_license_expression("a OR b") + Traceback (most recent call last): + ... + ImportError: ...Cannot import `packaging.licenses`... + """ + raise ImportError( + "Cannot import `packaging.licenses`." + """ + Setuptools>=77.0.0 requires "packaging>=24.2" to work properly. + Please make sure you have a suitable version installed. + """ + ) + + +try: + from packaging.licenses import ( + canonicalize_license_expression as _canonicalize_license_expression, + ) +except ImportError: # pragma: nocover + if not TYPE_CHECKING: + # XXX: pyright is still upset even with # pyright: ignore[reportAssignmentType] + _canonicalize_license_expression = _missing_canonicalize_license_expression |