<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def media(self, uri):
 """Play a media file."""

        try:
            local_path, _ = urllib.request.urlretrieve(uri)
            metadata = mutagen.File(local_path, easy=True)
            if metadata.tags:
                self._tags = metadata.tags
            title = self._tags.get(TAG_TITLE, [])
            self._manager[ATTR_TITLE] = title[0] if len(title) else ''
            artist = self._tags.get(TAG_ARTIST, [])
            self._manager[ATTR_ARTIST] = artist[0] if len(artist) else ''
            album = self._tags.get(TAG_ALBUM, [])
            self._manager[ATTR_ALBUM] = album[0] if len(album) else ''
            local_uri = 'file://{}'.format(local_path)

        # urllib.error.HTTPError
        except Exception:  # pylint: disable=broad-except
            local_uri = uri
        self._player.set_state(Gst.State.NULL)
        self._player.set_property(PROP_URI, local_uri)
        self._player.set_state(Gst.State.PLAYING)
        self.state = STATE_PLAYING
        self._manager[ATTR_URI] = uri
        self._manager[ATTR_DURATION] = self._duration()
        self._manager[ATTR_VOLUME] = self._player.get_property(PROP_VOLUME)
        _LOGGER.info('playing %s (as %s)', uri, local_uri)