Method from_raw

Tools/c-analyzer/c_parser/info.py:163–173

(cls, raw)

class FileInfo(namedtuple('FileInfo', 'filename lno')):
    @classmethod
    def from_raw(cls, raw):
        if isinstance(raw, cls):
            return raw
        elif isinstance(raw, tuple):
            return cls(*raw)
        elif not raw:
            return None
        elif isinstance(raw, str):
            return cls(raw, -1)
        else:
            raise TypeError(f'unsupported "raw": {raw:!r}')

    def __str__(self):
        return self.filename