setup.py 文件源码

def module_requirements(requirements_path, module_names, strict_bounds,
                        conda_format=False):
    module_names = set(module_names)
    found = set()
    module_lines = []
    for line in read_requirements(requirements_path,
                                  strict_bounds=strict_bounds):
        match = REQ_PATTERN.match(line)
        if match is None:
            raise AssertionError("Could not parse requirement: '%s'" % line)

        name = match.group(1)
        if name in module_names:
            found.add(name)
            if conda_format:
                line = _conda_format(line)
            module_lines.append(line)

    if found != module_names:
        raise AssertionError(
            "No requirements found for %s." % (module_names - found)
        )
    return module_lines