@property<EOL><INDENT>def _url(self):<DEDENT>
if self._api_arg:<EOL><INDENT>mypart = str(self._api_arg)<EOL><DEDENT>else:<EOL><INDENT>mypart = self._name<EOL><DEDENT>if self._parent:<EOL><INDENT>return '<STR_LIT:/>'.join(filter(None, [self._parent._url, mypart]))<EOL><DEDENT>else:<EOL><INDENT>return mypart<EOL><DEDENT>
Resolve the URL to this point.

>>> trello = TrelloAPIV1('APIKEY')
>>> trello.batch._url
'1/batch'
>>> trello.boards(board_id='BOARD_ID')._url
'1/boards/BOARD_ID'
>>> trello.boards(board_id='BOARD_ID')(field='FIELD')._url
'1/boards/BOARD_ID/FIELD'
>>> trello.boards(board_id='BOARD_ID').cards(filter='FILTER')._url
'1/boards/BOARD_ID/cards/FILTER'