def _configure_app()

in src/functions_framework/__init__.py [0:0]

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

def _configure_app(app, function, signature_type):
    # Mount the function at the root. Support GCF's default path behavior
    # Modify the url_map and view_functions directly here instead of using
    # add_url_rule in order to create endpoints that route all methods
    if signature_type == _function_registry.HTTP_SIGNATURE_TYPE:
        app.url_map.add(
            werkzeug.routing.Rule("/", defaults={"path": ""}, endpoint="run")
        )
        app.url_map.add(werkzeug.routing.Rule("/robots.txt", endpoint="error"))
        app.url_map.add(werkzeug.routing.Rule("/favicon.ico", endpoint="error"))
        app.url_map.add(werkzeug.routing.Rule("/<path:path>", endpoint="run"))
        app.view_functions["run"] = _http_view_func_wrapper(function, flask.request)
        app.view_functions["error"] = lambda: flask.abort(404, description="Not Found")
        app.after_request(read_request)
    elif signature_type == _function_registry.BACKGROUNDEVENT_SIGNATURE_TYPE:
        app.url_map.add(
            werkzeug.routing.Rule(
                "/", defaults={"path": ""}, endpoint="run", methods=["POST"]
            )
        )
        app.url_map.add(
            werkzeug.routing.Rule("/<path:path>", endpoint="run", methods=["POST"])
        )
        app.view_functions["run"] = _event_view_func_wrapper(function, flask.request)
        # Add a dummy endpoint for GET /
        app.url_map.add(werkzeug.routing.Rule("/", endpoint="get", methods=["GET"]))
        app.view_functions["get"] = lambda: ""
    elif signature_type == _function_registry.CLOUDEVENT_SIGNATURE_TYPE:
        app.url_map.add(
            werkzeug.routing.Rule(
                "/", defaults={"path": ""}, endpoint=signature_type, methods=["POST"]
            )
        )
        app.url_map.add(
            werkzeug.routing.Rule(
                "/<path:path>", endpoint=signature_type, methods=["POST"]
            )
        )

        app.view_functions[signature_type] = _cloud_event_view_func_wrapper(
            function, flask.request
        )
    elif signature_type == _function_registry.TYPED_SIGNATURE_TYPE:
        app.url_map.add(
            werkzeug.routing.Rule(
                "/", defaults={"path": ""}, endpoint=signature_type, methods=["POST"]
            )
        )
        app.url_map.add(
            werkzeug.routing.Rule(
                "/<path:path>", endpoint=signature_type, methods=["POST"]
            )
        )
        input_type = _function_registry.get_func_input_type(function.__name__)
        app.view_functions[signature_type] = _typed_event_func_wrapper(
            function, flask.request, input_type
        )
    else:
        raise FunctionsFrameworkException(
            "Invalid signature type: {signature_type}".format(
                signature_type=signature_type
            )
        )