def __call__(self, environ, start_response):
"""
Makes object of the Router class callables as specified by the WSGI
spceification
Args:
environ: (dict): The WSGI environment dict
start_response: (callable): The WSGI response callable
"""
req = Request(environ)
for regex, method, app, vars in self.routes:
match = regex.match(req.path_info)
if match and req.method == method:
req.urlvars = match.groupdict()
if hasattr(req, 'extras'):
req.extras.update(vars)
else:
req.extras = vars
return app(environ, start_response)
error = exc.HTTPNotFound()
return error(environ, start_response)
