Addd hook capability

radicale/app/__init__.py

@@ -41,7 +41,7 @@ import defusedxml.ElementTree as DefusedET
 import pkg_resources
 
 from radicale import (auth, httputils, log, pathutils, rights, storage, web,
-                      xmlutils)
+                      xmlutils, hook)
 from radicale.app.delete import ApplicationDeleteMixin
 from radicale.app.get import ApplicationGetMixin
 from radicale.app.head import ApplicationHeadMixin
@@ -82,6 +82,7 @@ class Application(
         self._rights = rights.load(configuration)
         self._web = web.load(configuration)
         self._encoding = configuration.get("encoding", "request")
+        self._hook = hook.load(configuration)
 
     def _headers_log(self, environ):
         """Sanitize headers for logging."""