PamGram/utils/app/manager.py
2022-07-26 18:07:31 +08:00

99 lines
3.5 KiB
Python

import inspect
import os
from glob import glob
from importlib import import_module
from typing import List, Union, Dict
from logger import Log
from model.types import Func
from utils.aiobrowser import AioBrowser
from utils.mysql import MySQL
from utils.redisdb import RedisDB
ServiceFunctions: List[Func] = []
ServiceDict: Dict[str, Func] = {}
def listener_service():
"""监听服务"""
def decorator(func: Func):
ServiceFunctions.append(
func
)
return func
return decorator
class AppsManager:
def __init__(self, mysql: MySQL, redis: RedisDB, browser: AioBrowser):
self.browser = browser
self.redis = redis
self.mysql = mysql
self.app_list: List[str] = []
self.exclude_list: List[str] = []
def refresh_list(self, app_paths):
self.app_list.clear()
app_paths = glob(app_paths)
for app_path in app_paths:
if os.path.isdir(app_path):
app_path = os.path.basename(app_path)
self.app_list.append(app_path)
def add_exclude(self, exclude: Union[str, List[str]]):
if isinstance(exclude, str):
self.exclude_list.append(exclude)
elif isinstance(exclude, list):
self.exclude_list.extend(exclude)
else:
raise TypeError
def import_module(self):
for app_name in self.app_list:
if app_name not in self.exclude_list:
try:
import_module(f"app.{app_name}")
except ImportError as exc:
Log.warning(f"Service模块 {app_name} 导入失败", exc)
except ImportWarning as exc:
Log.warning(f"Service模块 {app_name} 加载成功但有警告", exc)
except Exception as exc:
Log.warning(f"Service模块 {app_name} 加载失败", exc)
else:
Log.debug(f"Service模块 {app_name} 加载成功")
def add_service(self):
for func in ServiceFunctions:
if callable(func):
kwargs = {}
try:
signature = inspect.signature(func)
except ValueError as exception:
if "no signature found" in str(exception):
Log.warning("no signature found", exception)
break
elif "not supported by signature" in str(exception):
Log.warning("not supported by signature", exception)
break
else:
raise exception
else:
for parameter_name, parameter in signature.parameters.items():
annotation = parameter.annotation
if issubclass(annotation, MySQL):
kwargs[parameter_name] = self.mysql
if issubclass(annotation, RedisDB):
kwargs[parameter_name] = self.redis
if issubclass(annotation, AioBrowser):
kwargs[parameter_name] = self.browser
try:
handlers_list = func(**kwargs)
class_name = handlers_list.__class__.__name__
ServiceDict.setdefault(class_name, handlers_list)
except Exception as exc:
Log.error("初始化Service失败", exc)
finally:
pass