Files
dify-plugin-sdks/python/dify_plugin/core/server/router.py
T
QuantumGhost 22ae421dd6 feat(python): Integrate flake8-builtins (A) ruleset with ruff (#66)
Introduce the flake8-builtins (A) ruleset to prevent accidental shadowing
of Python's built-in functions.

Address existing issues primarily by adding `# noqa` to suppress warnings where necessary.
2025-03-24 18:58:50 +08:00

80 lines
2.9 KiB
Python

import inspect
import logging
from collections.abc import Callable
from typing import Any, Optional
from dify_plugin.core.runtime import Session
from dify_plugin.core.server.__base.request_reader import RequestReader
from dify_plugin.core.server.__base.response_writer import ResponseWriter
logger = logging.getLogger(__file__)
class Route:
filter: Callable[[dict], bool]
func: Callable
def __init__(self, filter: Callable[[dict], bool], func) -> None: # noqa: A002
self.filter = filter
self.func = func
class Router:
routes: list[Route]
request_reader: RequestReader
def __init__(self, request_reader: RequestReader, response_writer: Optional[ResponseWriter]) -> None:
self.routes = []
self.request_reader = request_reader
self.response_writer = response_writer
def register_route(self, f: Callable, filter: Callable[[dict], bool], instance: Any = None): # noqa: A002
sig = inspect.signature(f)
parameters = list(sig.parameters.values())
if len(parameters) == 0:
raise ValueError("Route function must have at least one parameter")
if instance:
# get first parameter of func
parameter = parameters[2]
# get annotation of the first parameter
annotation = parameter.annotation
def wrapper(session: Session, data: dict):
try:
data = annotation(**data)
except TypeError as e:
if not self.response_writer:
logger.exception("failed to route request: %s")
else:
self.response_writer.error(
session_id=session.session_id,
data={"error": str(e), "error_type": type(e).__name__},
)
return f(instance, session, data)
else:
# get first parameter of func
parameter = parameters[1]
# get annotation of the first parameter
annotation = parameter.annotation
def wrapper(session: Session, data: dict):
try:
data = annotation(**data)
except TypeError as e:
if not self.response_writer:
logger.exception("failed to route request: %s")
else:
self.response_writer.error(
session_id=session.session_id,
data={"error": str(e), "error_type": type(e).__name__},
)
return f(session, data)
self.routes.append(Route(filter, wrapper))
def dispatch(self, session: Session, data: dict) -> Any:
for route in self.routes:
if route.filter(data):
return route.func(session, data)