def coerce(cls, string):
        """Create a :class:`Requirement` object from a given package spec."""
        match = re.match(cls.spec_regex, string)
        if not match:
            raise InvalidRequirementSpecError("could not parse requirement")
        package = match.group(1)
        if all(match.group(2, 3)):
            version = "".join(match.group(2, 3))
        else:
            version = None
        return cls(package, version)
def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("day", help="The day of the results, with format yyyymmdd")
    args = parser.parse_args()
    install_autopkgtest_results_formatter()
    with tempfile.TemporaryDirectory(dir=os.environ.get("HOME")) as temp_dir:
        clone_results_repo(temp_dir)
        format_results(temp_dir, ACTIVE_DISTROS, args.day)
        commit_and_push(temp_dir, args.day)