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pantsbuild / pants / 20328535594

18 Dec 2025 06:46AM UTC coverage: 57.969% (-22.3%) from 80.295%
20328535594

Pull #22954

github

web-flow
Merge ccc9c5409 into 407284c67
Pull Request #22954: free up disk space in runner image

39083 of 67421 relevant lines covered (57.97%)

0.91 hits per line

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25.0
/src/python/pants/util/requirements.py
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# Copyright 2023 Pants project contributors (see CONTRIBUTORS.md).
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# Licensed under the Apache License, Version 2.0 (see LICENSE).
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from collections.abc import Iterator
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from pants.util.pip_requirement import PipRequirement
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def parse_requirements_file(content: str, *, rel_path: str) -> Iterator[PipRequirement]:
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    """Parse all `PipRequirement` objects from a requirements.txt-style file.
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    This will safely ignore any options starting with `--` and will ignore comments. Any pip-style
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    VCS requirements will fail, with a helpful error message describing how to use PEP 440.
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    """
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    for i, line in enumerate(content.splitlines(), start=1):
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        line, _, _ = line.partition("--")
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        line = line.strip().rstrip("\\")
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        if not line or line.startswith(("#", "-")):
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            continue
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        # Strip comments which are otherwise on a valid requirement line.
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        comment_pos = line.find("#")
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        if comment_pos != -1:
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            line = line[0:comment_pos].strip()
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        yield PipRequirement.parse(line, description_of_origin=f"{rel_path} at line {i}")
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