Comments (5)
I've had the same problems as well. I was messing around with dunders, and some raise KeyError
where the attr definitely exists (I checked with __dict__
and similar things). However, this is peculiar:
It didn't raise an error.
Do only some dunders not work?
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Also, other issues with the same format (cursing __something__
fails) seem to be the same problem, but just more specific (cursing __init__
fails, __iter__
fails, etc)
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__str__
and __new__
have been registered
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and my pull request will register a lot more
You know what? Ill try to register them all.
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Another proof that cursing dunder methods fails.
I was trying to make numeric types callable, to implement implicit multiplication as it's known in some programming languages such as Julia.
from forbiddenfruit import curse, reverse
def __call__(self, other, /):
return self * other
for cls in (int, float, complex):
curse(cls, "__call__", __call__)
print(2(6))
This of course gave a SyntaxWarning that int
objects are not callable, but also threw a KeyError: '__call__'
.
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Related Issues (20)
- test fails with py3.8 and pytest HOT 3
- str.__mod__ method is not patchable! HOT 1
- Unable to perfectly re-curse to __add__ HOT 2
- Cursing int with __iter__ fails with an error HOT 1
- Possible simplification of patchable_builtin() HOT 2
- Provide wheel packages? HOT 8
- Exceptions raised in cursed-in dunder methods are not raised to calling code
- Crash on Windows if dunder methods cursed into `ctypes.c_int` raises an exception
- Fix simple typo: infomation -> information HOT 1
- Replacing __hash__ returns a key error HOT 1
- Patch for str __add__ not working
- object has no attribute '__dict__' HOT 1
- how to use reverse with existing attributes HOT 2
- MacOS errors monkeypatching `object`
- Undiagnosed crash (Windows 11, Python 3.10)
- How to make the additional function can be autocompleted in VS Code? HOT 1
- Add `pyproject.toml` or implement wheel-based distribution
- Unable to curse __call__
- __init_subclass__ seems to not be implemented as a cursable magic method
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