[Python-Dev] Re: Mixed Python/C debugging

2023-04-26 Thread Wes Turner
"Debugging a Mixed Python and C Language Stack" (2023)
https://developer.nvidia.com/blog/debugging-mixed-python-and-c-language-stack/
https://news.ycombinator.com/item?id=35706687

On Mon, Dec 2, 2019, 10:59 AM Skip Montanaro 
wrote:

> Thanks for the responses. I know there are multiple tools out there (to
> wit, Wes's response), but I'm really after what people actually use and
> find works. I apologize that wasn't clear. I did neglect to mention that my
> environment is Linux (specifically Ubuntu 18.04), so Windows-based
> solutions aren't likely to be workable for me.
>
> For the time being, I've been working through one or two of the
> docs/tutorials about the parsing/compiler internals which focus on the C
> side, so gdb with curses display enabled (Ctrl-X a) and built-in PyObject
> support has been sufficient. I will eventually need mixed language
> debugging though. And, as an Emacs user, how this might play in that
> sandbox is of interest.
>
> Skip
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[Python-Dev] Re: Mixed Python/C debugging

2019-12-02 Thread Skip Montanaro
Thanks for the responses. I know there are multiple tools out there (to
wit, Wes's response), but I'm really after what people actually use and
find works. I apologize that wasn't clear. I did neglect to mention that my
environment is Linux (specifically Ubuntu 18.04), so Windows-based
solutions aren't likely to be workable for me.

For the time being, I've been working through one or two of the
docs/tutorials about the parsing/compiler internals which focus on the C
side, so gdb with curses display enabled (Ctrl-X a) and built-in PyObject
support has been sufficient. I will eventually need mixed language
debugging though. And, as an Emacs user, how this might play in that
sandbox is of interest.

Skip
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[Python-Dev] Re: Mixed Python/C debugging

2019-12-02 Thread Sasha Kacanski
Same here, I do Pycharm and it is possible to add clion plugin and go
through C code ...

On Mon, Dec 2, 2019 at 8:34 AM Fabio Zadrozny  wrote:

> Hi Skip,
>
> I just wanted to note that what I usually do in this case is having 2
> debuggers attached.
>
> i.e.: start one any way you want and then do an attach to from the other
> debugger -- in my case as I'm usually on the Python side I usually start
> the Python debugger and then do an attach to from the C++ IDE, but you can
> probably do it the other way around too :)
>
> On Sun, Dec 1, 2019 at 1:57 PM Skip Montanaro 
> wrote:
>
>> Having tried comp.lang.python with no response, I turn here...
>>
>> After at least ten years away from Python's run-time interpreter &
>> byte code compiler, I'm getting set to familiarize myself with that
>> again. This will, I think, entail debugging a mixed Python/C
>> environment. I'm an Emacs user and am aware that GDB since 7.0 has
>> support for debugging at the Python code level. Is Emacs+GDB my best
>> bet? Are there any Python IDEs which support C-level breakpoints and
>> debugging?
>>
>> Thanks,
>>
>> Skip
>> ___
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>> Code of Conduct: http://python.org/psf/codeofconduct/
>>
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-- 
Aleksandar Kacanski
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[Python-Dev] Re: Mixed Python/C debugging

2019-12-02 Thread Fabio Zadrozny
 Hi Skip,

I just wanted to note that what I usually do in this case is having 2
debuggers attached.

i.e.: start one any way you want and then do an attach to from the other
debugger -- in my case as I'm usually on the Python side I usually start
the Python debugger and then do an attach to from the C++ IDE, but you can
probably do it the other way around too :)

On Sun, Dec 1, 2019 at 1:57 PM Skip Montanaro 
wrote:

> Having tried comp.lang.python with no response, I turn here...
>
> After at least ten years away from Python's run-time interpreter &
> byte code compiler, I'm getting set to familiarize myself with that
> again. This will, I think, entail debugging a mixed Python/C
> environment. I'm an Emacs user and am aware that GDB since 7.0 has
> support for debugging at the Python code level. Is Emacs+GDB my best
> bet? Are there any Python IDEs which support C-level breakpoints and
> debugging?
>
> Thanks,
>
> Skip
> ___
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> Code of Conduct: http://python.org/psf/codeofconduct/
>
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[Python-Dev] Re: Mixed Python/C debugging

2019-12-01 Thread Wes Turner
Your question is specifically about IDEs with support for mixed-mode
debugging (with gdb), so I went looking for an answer:

https://wiki.python.org/moin/DebuggingWithGdb (which is not responsive and
almost unreadable on a mobile device) links to
https://fedoraproject.org/wiki/Features/EasierPythonDebugging , which
mentions the py-list, py-up and py-down, py-bt, py-print, and py-locals GDB
commands that are also described in ** https://devguide.python.org/gdb/ **


https://wiki.python.org/moin/PythonDebuggingTools Ctrl-F "gdb" mentions:
DDD, pyclewn (vim), trepan3k (which is gdb-like and supports breaking at
c-line and also handles bytecode disassembly)

Apparently, GHIDRA does not have a debugger but there is a plugin for
following along with gdb in ghidra called
https://github.com/Comsecuris/gdbghidra , which may or may not be useful.

https://github.com/Mistobaan/pyclewn hasn't been updated in years, but may
have useful bits for implementing mixed-mode debugging in other non-vim
IDEs.

https://reverseengineering.stackexchange.com/questions/1392/decent-gui-for-gdb
lists a number of GUIs for GDB; including voltronnn:

> There's Voltron, which is an extensible Python debugger UI that supports
LLDB, GDB, VDB, and WinDbg/CDB (via PyKD) and runs on macOS, Linux and
Windows. For the first three it supports x86, x86_64, and arm with even
arm64 support for lldb while adding even powerpc support for gdb.
https://github.com/snare/voltron

https://developers.redhat.com/blog/2017/11/10/gdb-python-api/ describes the
GDB Python API.

https://pythonextensionpatterns.readthedocs.io/en/latest/debugging/debug_in_ide.html#writing-a-c-function-to-call-any-python-unit-test
may be helpful.

Does DDD support mixed-mode debugging?
https://www.gnu.org/software/ddd/manual/html_mono/ddd.html

Essentially, for IDE support, AFAIU, the basic functionality is:
- set breakpoints: `b c-file.c:123`
- step through them while seeking-to and highlighting the current breakpoint
- provide one or more panes for executing GDB commands within the current
or other frames


The GDB Python API docs:
https://sourceware.org/gdb/onlinedocs/gdb/Python-API.html

The devguide gdb page may be the place to list IDEs with support for
mixed-mode debugging of Python and C/C++/Cython specifically with gdb?

On Sunday, December 1, 2019, Skip Montanaro 
wrote:
> Having tried comp.lang.python with no response, I turn here...
>
> After at least ten years away from Python's run-time interpreter &
> byte code compiler, I'm getting set to familiarize myself with that
> again. This will, I think, entail debugging a mixed Python/C
> environment. I'm an Emacs user and am aware that GDB since 7.0 has
> support for debugging at the Python code level. Is Emacs+GDB my best
> bet? Are there any Python IDEs which support C-level breakpoints and
> debugging?
>
> Thanks,
>
> Skip
> ___
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[Python-Dev] Re: Mixed Python/C debugging

2019-12-01 Thread Dino Viehland
Python Tools for Visual Studio has supported mixed mode debugging for a
while... I'm not sure if that support would have ever ended up in VS Code
Python extension so it might be a windows only solution which might not
help you much.

On Sun, Dec 1, 2019, 9:04 AM Skip Montanaro 
wrote:

> Having tried comp.lang.python with no response, I turn here...
>
> After at least ten years away from Python's run-time interpreter &
> byte code compiler, I'm getting set to familiarize myself with that
> again. This will, I think, entail debugging a mixed Python/C
> environment. I'm an Emacs user and am aware that GDB since 7.0 has
> support for debugging at the Python code level. Is Emacs+GDB my best
> bet? Are there any Python IDEs which support C-level breakpoints and
> debugging?
>
> Thanks,
>
> Skip
> ___
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>
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