def __init__(self, wsgi_app, url_pattern):
    super(WSGIHandler, self).__init__(re.compile(url_pattern))
    self._wsgi_app = wsgi_app
Initializer for WSGIHandler.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/wsgi_handler.py/WSGIHandler.__init__