[Python-Dev] Re: build cpython on M1 Pro mac

[Yves Duprat]

Guido van Rossum wrote:
> On Wed, Mar 2, 2022 at 8:34 AM Yves Duprat ydup...@gmail.com wrote:
> > How did you find that issue?
> > This message printed from VSCode when I ran my script in debug mode
> > Oh, I see, this is something that pydevd prints when it doesn't understand
> the .pyc file. We changed the bytecode significantly in 3.11 (more than we
> did in previous versions, though it tends to change in each version) --
> that message is at least a decade old.
> > the Pydev extension used by VS Code doesn't yet work well with
> > the changes in 3.11 internals.
> > Is there a simple sheet, white paper about these internal changes ?
> > No, you could follow the discussions on
> https://github.com/faster-cpython/ideas though and ask specific questions
> there if something's not clear.
Ok

> > You should probably inquire with either the
> > Pydev extension (https://github.com/fabioz/Pydev) or the VS Code team
> > about
> > what their plans are for fixing this
> > Thank for the solutions.
> > The specific component to  look for is pydevd --
> https://github.com/fabioz/PyDev.Debugger/. I recommend filing an issue
> there.
see: https://github.com/fabioz/PyDev.Debugger/issues/213
see: https://github.com/microsoft/debugpy/issues/861
Thank for your help
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[Python-Dev] Re: build cpython on M1 Pro mac

[Guido van Rossum]

On Wed, Mar 2, 2022 at 8:34 AM Yves Duprat  wrote:

> > How did you find that issue?
> This message printed from VSCode when I ran my script in debug mode
>

Oh, I see, this is something that pydevd prints when it doesn't understand
the .pyc file. We changed the bytecode significantly in 3.11 (more than we
did in previous versions, though it tends to change in each version) --
that message is at least a decade old.


> > the Pydev extension used by VS Code doesn't yet work well with
> > the changes in 3.11 internals.
> Is there a simple sheet, white paper about these internal changes ?
>

No, you could follow the discussions on
https://github.com/faster-cpython/ideas though and ask specific questions
there if something's not clear.


> >You should probably inquire with either the
> > Pydev extension (https://github.com/fabioz/Pydev) or the VS Code team
> about
> > what their plans are for fixing this
> Thank for the solutions.
>

The specific component to  look for is pydevd --
https://github.com/fabioz/PyDev.Debugger/. I recommend filing an issue
there.

-- 
--Guido van Rossum (python.org/~guido)
*Pronouns: he/him **(why is my pronoun here?)*

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[Python-Dev] Re: build cpython on M1 Pro mac

[Yves Duprat]

> How did you find that issue? 
This message printed from VSCode when I ran my script in debug mode

> the Pydev extension used by VS Code doesn't yet work well with
> the changes in 3.11 internals. 
Is there a simple sheet, white paper about these internal changes ?

>You should probably inquire with either the
> Pydev extension (https://github.com/fabioz/Pydev) or the VS Code team about
> what their plans are for fixing this 
Thank for the solutions.
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[Python-Dev] Re: build cpython on M1 Pro mac

[Guido van Rossum]

How did you find that issue? It seems unlikely that a problem with 3.11 is
caused by an issue reported for Python 2.5 in 2007.

My own understanding of the problem with the VS Code debugger and 3.11
(which I have experienced myself as well :-) is that since 3.11 is still in
alpha mode, the Pydev extension used by VS Code doesn't yet work well with
the changes in 3.11 internals. You should probably inquire with either the
Pydev extension (https://github.com/fabioz/Pydev) or the VS Code team about
what their plans are for fixing this -- I wouldn't blame them if they
decided to wait until 3.11 beta 1 is released, which should happen on or
after May 6th this year.

On Tue, Mar 1, 2022 at 8:25 AM Yves Duprat  wrote:

> Hi,
>
> I built cpython on a mac OSX 12.01. Python runs well.
> When starts, Python shows that version info which looks good:
> 'Python 3.11.0a5+ (heads/fix-issue-43352:f899da7fe5, Feb 25 2022,
> 10:04:53) [Clang 13.0.0 (clang-1300.0.29.30)] on darwin'
>
> But when I want to used it in VSCode to debug a script, I have the
> following message:
> ---
> This version of python seems to be incorrectly compiled
> (internal generated filenames are not absolute).
> This may make the debugger miss breakpoints.
> Related bug: http://bugs.python.org/issue1666807
> ---
> What do I miss ? I looked for a specific option in ./configure but seen
> nothing  ?
> Can someone help me please ?
> Thank
>
> Yves
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>


-- 
--Guido van Rossum (python.org/~guido)
*Pronouns: he/him **(why is my pronoun here?)*

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