Files
chatgpt-on-wechat/plugins/plugin_manager.py
2023-03-12 22:49:07 +08:00

90 lines
3.4 KiB
Python

# encoding:utf-8
import importlib
import json
import os
from common.singleton import singleton
from .event import *
from .plugin import *
from common.log import logger
@singleton
class PluginManager:
def __init__(self):
self.plugins = {}
self.listening_plugins = {}
self.instances = {}
def register(self, name: str, desc: str, version: str, author: str):
def wrapper(plugincls):
self.plugins[name] = plugincls
plugincls.name = name
plugincls.desc = desc
plugincls.version = version
plugincls.author = author
plugincls.enabled = True
logger.info("Plugin %s_v%s registered" % (name, version))
return plugincls
return wrapper
def save_config(self, pconf):
with open("plugins/plugins.json", "w", encoding="utf-8") as f:
json.dump(pconf, f, indent=4, ensure_ascii=False)
def load_config(self):
logger.info("Loading plugins config...")
plugins_dir = "plugins"
for plugin_name in os.listdir(plugins_dir):
plugin_path = os.path.join(plugins_dir, plugin_name)
if os.path.isdir(plugin_path):
# 判断插件是否包含同名.py文件
main_module_path = os.path.join(plugin_path, plugin_name+".py")
if os.path.isfile(main_module_path):
# 导入插件
import_path = "{}.{}.{}".format(plugins_dir, plugin_name, plugin_name)
main_module = importlib.import_module(import_path)
modified = False
if os.path.exists("plugins/plugins.json"):
with open("plugins/plugins.json", "r", encoding="utf-8") as f:
pconf = json.load(f)
else:
modified = True
pconf = {"plugins": []}
for name, plugincls in self.plugins.items():
if name not in [plugin["name"] for plugin in pconf["plugins"]]:
modified = True
logger.info("Plugin %s not found in pconfig, adding to pconfig..." % name)
pconf["plugins"].append({"name": name, "enabled": True})
if modified:
self.save_config(pconf)
return pconf
def load_plugins(self):
pconf = self.load_config()
logger.debug("plugins.json config={}".format(pconf))
for plugin in pconf["plugins"]:
name = plugin["name"]
enabled = plugin["enabled"]
self.plugins[name].enabled = enabled
for name, plugincls in self.plugins.items():
if plugincls.enabled:
if name not in self.instances:
instance = plugincls()
self.instances[name] = instance
for event in instance.handlers:
if event not in self.listening_plugins:
self.listening_plugins[event] = []
self.listening_plugins[event].append(name)
def emit_event(self, e_context: EventContext, *args, **kwargs):
if e_context.event in self.listening_plugins:
for name in self.listening_plugins[e_context.event]:
if e_context.action == EventAction.CONTINUE:
logger.debug("Plugin %s triggered by event %s" % (name,e_context.event))
instance = self.instances[name]
instance.handlers[e_context.event](e_context, *args, **kwargs)
return e_context