[Python-Dev] Re: [Webmaster] Python for Mac OS X Catalina

[Ana Simion via Python-Dev]

Dear All, 

Thank you very much for your quick responses - I’ve managed to install it via 
Finder rather than clicking directly on the link in the downloads bar.

Many thanks, 

Ana Simion



> On 16 Aug 2019, at 17:50, Ned Deily  wrote:
> 
> On Aug 16, 2019, at 06:11, Ronald Oussoren via Python-Dev 
> mailto:python-dev@python.org>> wrote:
> As a workaround it is possible to install Python by choosing “open” from the 
> context-menu of in the Finder instead of double clicking on the installer.   
> This is currently necessary because the macOS Catalina has stricter 
> requirements for signing installers, and the Python.org  
> installers do not yet comply with those stricter requirements.
> 
> And we will be addressing this for current Python installers prior to the 
> upcoming official release of macOS 10.15 Catalina.
> 
>   --
> Ned Deily
> n...@python.org  -- []

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[Python-Dev] subtype_dealloc causes segfaults on c heap type subclasses

[Eddie Elizondo]

Hi everyone, 

I found a bug in subtype_dealloc causing segfaults when used with C heap types. 
Given that it modifies the deallocation routine of every instance, I thought it 
was important to surface this in here as well. Also worth noting, this blocks 
the adoption of PEP384 in C Extension modules that depend on subclassable types.

The bug and the fix are explained in detail in the PR: 
https://github.com/python/cpython/pull/15323
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