def _register_route()

in chalice/app.py [0:0]

• 40 lines of code
• 7 McCabe index (conditional complexity)

    def _register_route(self, name: str, user_handler: UserHandlerFuncType,
                        kwargs: Any, **unused: Dict[str, Any]) -> None:
        actual_kwargs = kwargs['kwargs']
        path = kwargs['path']
        url_prefix = kwargs.pop('url_prefix', None)
        if url_prefix is not None:
            path = '/'.join([url_prefix.rstrip('/'),
                             path.strip('/')]).rstrip('/')
        methods = actual_kwargs.pop('methods', ['GET'])
        route_kwargs = {
            'authorizer': actual_kwargs.pop('authorizer', None),
            'api_key_required': actual_kwargs.pop('api_key_required', None),
            'content_types': actual_kwargs.pop('content_types',
                                               ['application/json']),
            'cors': actual_kwargs.pop('cors', self.api.cors),
        }
        if route_kwargs['cors'] is None:
            route_kwargs['cors'] = self.api.cors
        if not isinstance(route_kwargs['content_types'], list):
            raise ValueError(
                'In view function "%s", the content_types '
                'value must be a list, not %s: %s' % (
                    name, type(route_kwargs['content_types']),
                    route_kwargs['content_types']))
        if actual_kwargs:
            raise TypeError('TypeError: route() got unexpected keyword '
                            'arguments: %s' % ', '.join(list(actual_kwargs)))
        for method in methods:
            if method in self.routes[path]:
                raise ValueError(
                    "Duplicate method: '%s' detected for route: '%s'\n"
                    "between view functions: \"%s\" and \"%s\". A specific "
                    "method may only be specified once for "
                    "a particular path." % (
                        method, path, self.routes[path][method].view_name,
                        name)
                )
            entry = RouteEntry(user_handler, name, path, method,
                               **route_kwargs)
            self.routes[path][method] = entry