builtins: memoryview.cast's shape is kw-only

[hauntsaninja]

No description provided.

[Akuli]

This doesn't seem to be correct:

akuli@akuli-desktop:~$ python3.6
Python 3.6.10 (default, Apr 27 2020, 19:39:25) 
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> memoryview(b'asdfghjk').cast('i', (2,))[0]
1717859169
>>> 
akuli@akuli-desktop:~$ python3.7
Python 3.7.3 (default, Jul 25 2020, 13:03:44) 
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> memoryview(b'asdfghjk').cast('i', (2,))[0]
1717859169
>>> 
akuli@akuli-desktop:~$ python3.8
Python 3.8.0 (default, Oct 21 2019, 20:27:53) 
[GCC 6.3.0 20170516] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> memoryview(b'asdfghjk').cast('i', (2,))[0]
1717859169
>>> 
akuli@akuli-desktop:~$ python3.9
Python 3.9.1 (default, Jan 11 2021, 15:01:24) 
[GCC 8.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> memoryview(b'asdfghjk').cast('i', (2,))[0]
1717859169
>>> 

[hauntsaninja]

Thanks for checking! Looks like inspect.signature was "fixed" in python/cpython#21421 (I say "fixed" because the default value is NULL so inspect.signature now raises. But __text_signature__ now shows the right thing)