Function key_from_req

piptools/utils.py:69–83

Get an all-lowercase version of the requirement's name. **Note:** If the argument is an instance of ``pip._internal.resolution.resolvelib.base.Requirement`` (like ``pip._internal.resolution.resolvelib.requirements.SpecifierRequirement``), then the name might include an extras s

(req: InstallRequirement | Requirement | PipRequirement)

def key_from_req(req: InstallRequirement | Requirement | PipRequirement) -> str:
    """
    Get an all-lowercase version of the requirement's name.

    **Note:** If the argument is an instance of
    ``pip._internal.resolution.resolvelib.base.Requirement`` (like
    ``pip._internal.resolution.resolvelib.requirements.SpecifierRequirement``),
    then the name might include an extras specification.
    Apply :py:func:`strip_extras` to the result of this function if you need
    the package name only.

    :param req: the requirement the key is computed for
    :return: the canonical name of the requirement
    """
    return canonicalize_name(req.name)


def comment(text: str) -> str: