+class simplefunc(perfobj):
+ """An implementation of the `invoke' interface. Put callables in
+ it using the normal dict assignment syntax, and it will call them
+ when invoked with the corresponding method name. Additionally, it
+ updates itself with any keyword-arguments it is initialized with."""
+ def __init__(self, *args, **kwargs):
+ super().__init__(*args)
+ self.map = {}
+ self.map.update(kwargs)
+
+ def __setitem__(self, name, func):
+ self.map[name] = func
+
+ def __delitem__(self, name):
+ del self.map[name]
+
+ def invoke(self, method, *args, **kwargs):
+ if method not in self.map:
+ raise AttributeError(method)
+ self.map[method](*args, **kwargs)
+
+ def pdm_protocols(self):
+ return super().pdm_protocols() + ["invoke"]
+