def find_meta(*meta_file_parts, meta_key):
    """Extract __*meta*__ from meta_file."""
    meta_file = read(*meta_file_parts)
    meta_match = re.search(r"^__{}__ = ['\"]([^'\"]*)['\"]".format(meta_key),
                           meta_file, re.M)
    if meta_match:
        return meta_match.group(1)
    raise RuntimeError("Unable to find __{}__ string.".format(meta_key))
def find_meta(*meta_file_parts, meta_key):
    """Extract __*meta*__ from meta_file."""
    meta_file = read(*meta_file_parts)
    meta_match = re.search(r"^__{}__ = ['\"]([^'\"]*)['\"]".format(meta_key),
                           meta_file, re.M)
    if meta_match:
        return meta_match.group(1)
    raise RuntimeError("Unable to find __{}__ string.".format(meta_key))
Extract __*meta*__ from meta_file.