You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tentest/doc/DjangoBlog/djangoblog/plugin_manage/hooks.py

45 lines
1.4 KiB

import logging
logger = logging.getLogger(__name__)
_hooks = {}
def register(hook_name: str, callback: callable):
"""
注册一个钩子回调。
"""
if hook_name not in _hooks:
_hooks[hook_name] = []
_hooks[hook_name].append(callback)
logger.debug(f"Registered hook '{hook_name}' with callback '{callback.__name__}'")
def run_action(hook_name: str, *args, **kwargs):
"""
执行一个 Action Hook。
它会按顺序执行所有注册到该钩子上的回调函数。
"""
if hook_name in _hooks:
logger.debug(f"Running action hook '{hook_name}'")
for callback in _hooks[hook_name]:
try:
callback(*args, **kwargs)
except Exception as e:
logger.error(f"Error running action hook '{hook_name}' callback '{callback.__name__}': {e}", exc_info=True)
def apply_filters(hook_name: str, value, *args, **kwargs):
"""
执行一个 Filter Hook。
它会把 value 依次传递给所有注册的回调函数进行处理。
"""
if hook_name in _hooks:
logger.debug(f"Applying filter hook '{hook_name}'")
for callback in _hooks[hook_name]:
try:
value = callback(value, *args, **kwargs)
except Exception as e:
logger.error(f"Error applying filter hook '{hook_name}' callback '{callback.__name__}': {e}", exc_info=True)
return value