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Added undefined __new__ method to non-built-in types #2869
Description
Feature
Currently, non-built-in types (e.g. user defined class) has its __new__ method. So they are different with object.__new__ and it cause error in inspect._signature_from_callable().
RustPython-side
>>>>> type.__new__
<bound method __new__ of <class 'type'>>
>>>>> object.__new__
<bound method __new__ of <class 'object'>>
>>>>> class A:
..... ...
.....
>>>>> A.__new__
<bound method __new__ of <class '__main__.A'>>
>>>>> A.__new__ == object.__new__
False
CPython 3.8-side
>>> type.__new__
<built-in method __new__ of type object at 0x7fc673a1c480>
>>> object.__new__
<built-in method __new__ of type object at 0x7fc673a1c620>
>>> class A:
... ...
...
>>> A.__new__
<built-in method __new__ of type object at 0x7fc673a1c620>
>>> A.__new__ == object.__new__
True
Activity
jamestwebber commentedon Aug 13, 2021
I believe solving this would close #2732
moreal commentedon Aug 13, 2021
I agree with it.
[-]Incompatibility for `__new__` built-in method[/-][+]Added undefined `__new__` method to non-built-in types [/+]