paths.py 文件源码

def match_to_dict(
        match: Match, path_vars: Dict[str, PathVar],
        errors: bool = True) -> Dict[str, Any]:
    """Convert a regular expression Match to a dict of (name, value) for
    all PathVars.

    Args:
        match: A re.Match.
        path_vars: A dict of PathVars.
        errors: If True, raise an exception on validation error, otherwise
            return None.

    Returns:
        A (name, value) dict.

    Raises:
        ValueError if any values fail validation.
    """
    match_groups = match.groupdict()
    try:
        return dict(
            (name, var(match_groups.get(name, None)))
            for name, var in path_vars.items())
    except ValueError:
        if errors:
            raise
        else:
            return None

# pylint: disable=no-member