Extended: Allows for runtime hooking of static class functions AND other type slots
Reason this release was yanked:
copyright
Project description
Fishhook Extended
This module allows for swapping out the slot pointers contained in static classes with the generic slot pointers used by python for heap classes. This allows for assigning arbitrary python functions to static class dunders using hook and hook_cls and for applying new functionality to previously unused dunders. A hooked static dunder can be restored to original functionality using the unhook function
Extended from fishhook by chilaxan
Calling original methods
orig(self, *args, **kwargs)
is a special function that looks up the original implementation of a hooked dunder in the methods cache. It will only work properly when used inside a hooked method where an original implementation existed
Extended: orig
also now looks up the original attribute of a hooked type slot in the attributes cache. Can work anywhere, provided it is given the hooked class.
hooking single methods
@hook(int)
def __add__(self, other):
...
return orig(self, other)
hooking multiple methods
@hook_cls(int)
class int_hook:
attr = ...
def __add__(self, other):
...
Extended: hooking type slots
int_dict_hook = {'a': 3}
hook(int, '__dict__')(int_dict_hook)
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