Hi everybody,
I'd like to revive this thread as I feel like we have to do something here but
some consensus is needed first.
To recap, the current state of things is as follows:
- in March 2000 (d724b23420f) Christian Tismer contributed the "trashcan" patch
that added Py_TRASHCAN_SAFE_BEGIN and
Doing a search of a huge codebase (work), the predominant user of
PyCode_New* APIs appears to be checked in Cython generated code (in all
sorts of third_party OSS projects). It's in the boilerplate that Cython
extensions make use of via it's __Pyx_PyCode_New macro.
On Tue, 17 Aug 2021 12:00:11 +0200
Łukasz Langa wrote:
>
> Now, there are a couple of things we can do here:
> Option 1: Finish GH-12607 to fix the old macros, keeping in mind this will
> restore compatibility lost with Python 3.8 - 3.10 only for users of 3.11+
> Option 2: Review and merge
Hi Mario,
Thank you for submitting PEP 648 (Extensible customizations of the
interpreter at startup). The Steering Council has reviewed the PEP and
after careful consideration, we have decided to reject the PEP. There are a
number of reasons why we have arrived at this decision so we would like
On Tue, Aug 17, 2021 at 12:05 PM Duncan Grisby wrote:
> I don't know if it is pertinent to this at all, but I raised
> https://bugs.python.org/issue9 in which the faulthandler module can
> lead to a segfault inside Py_TRASHCAN_SAFE_BEGIN. Would that be avoided if
> frameobject.c was changed
On 17. 08. 21 12:00, Łukasz Langa wrote:
Hi everybody,
I'd like to revive this thread as I feel like we have to do something
here but some consensus is needed first.
To recap, the current state of things is as follows:
- *in March 2000* (d724b23420f) Christian Tismer contributed the
I'm late to the thread, and as I read it I see everything I wanted to
say was covered already :)
So just a few clarifications.
The stable ABI is not defined by PEP 384 or PEP 652 or by the header
something is defined in, but by the docs:
- https://docs.python.org/dev/c-api/stable.html
and
I don't know if it is pertinent to this at all, but I
raised https://bugs.python.org/issue9 in which the faulthandler
module can lead to a segfault inside Py_TRASHCAN_SAFE_BEGIN. Would that
be avoided if frameobject.c was changed to use Py_TRASHCAN_BEGIN / END?
Duncan.
On Tue, 2021-08-17 at
If the macro is deprecated, please provide an detailed explanation how
to port existing C code to the new C API, in What's New In Python 3.X
(version where the macro is deprecated, Python 3.11 if I understood
correctly).
Also, is there a way to write a single code base working on Python
See also:
* https://bugs.python.org/issue44881 "Consider integration of
PyObject_GC_UnTrack() with the trashcan C API".
* https://bugs.python.org/issue44897 "Integrate trashcan mechanism
into _Py_Dealloc"
The issue44897 would make all these macros useless ;-)
Victor
Since Cython is a common consumer of this C API, can somone please dig
into Cython to see exactly what it needs in terms of API? How does
Cython create all arguments of the __Pyx_PyCode_New() macro? Does it
copy an existing function to only override some fields, something like
On Sun, 15 Aug 2021 at 22:30, Marco Sulla wrote:
> Oh, this is enough. The sense of the phrase was very clear and you all
> have understood it. Remarking grammatical errors is a gross violation
> of the Netiquette. I ask __immediately__ the intervent of a moderator,
> even if I quite sure, since
My time is short, so thank you for focusing on the real subject.
On Mon, 16 Aug 2021 at 11:00, Jeff Allen wrote:
> I have spent a lot of time reading typeobject.c over the years I've been
> looking at an alternative implementation. It's quite difficult to follow, and
> full of tweaks for
+cc: cython-devel
background reading for those new to the thread:
https://mail.python.org/archives/list/python-dev@python.org/thread/ZWTBR5ESYR26BUIVMXOKPFRLGGYDJSFC/
On Tue, Aug 17, 2021 at 9:47 AM Victor Stinner wrote:
> Since Cython is a common consumer of this C API, can somone please dig
Both locations Greg found seem to be creating a completely *empty* code
object except for the name, filename and lineno. So that would actually
work fine with my proposal.
On Tue, Aug 17, 2021 at 4:24 PM Gregory P. Smith wrote:
> +cc: cython-devel
>
> background reading for those new to the
Victor Stinner wrote:
> Since Cython is a common consumer of this C API, can somone please dig
> into Cython to see exactly what it needs in terms of API? How does
> Cython create all arguments of the __Pyx_PyCode_New() macro? Does it
> copy an existing function to only override some fields,
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