asm

asm/venv/lib/python3.11/site-packages/setuptools/_reqs.py

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+from functools import lru_cache
+from typing import Callable, Iterable, Iterator, TypeVar, Union, overload
+
+import setuptools.extern.jaraco.text as text
+from setuptools.extern.packaging.requirements import Requirement
+
+_T = TypeVar("_T")
+_StrOrIter = Union[str, Iterable[str]]
+
+
+parse_req: Callable[[str], Requirement] = lru_cache()(Requirement)
+# Setuptools parses the same requirement many times
+# (e.g. first for validation than for normalisation),
+# so it might be worth to cache.
+
+
+def parse_strings(strs: _StrOrIter) -> Iterator[str]:
+    """
+    Yield requirement strings for each specification in `strs`.
+
+    `strs` must be a string, or a (possibly-nested) iterable thereof.
+    """
+    return text.join_continuation(map(text.drop_comment, text.yield_lines(strs)))
+
+
+@overload
+def parse(strs: _StrOrIter) -> Iterator[Requirement]:
+    ...
+
+
+@overload
+def parse(strs: _StrOrIter, parser: Callable[[str], _T]) -> Iterator[_T]:
+    ...
+
+
+def parse(strs, parser=parse_req):
+    """
+    Replacement for ``pkg_resources.parse_requirements`` that uses ``packaging``.
+    """
+    return map(parser, parse_strings(strs))