Unable to build on Python 3.12

Open

#24 opened on Oct 14, 2023 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 38/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: c, python
Domain: databases

Research direction

Start with the Python 3.12 build errors in asyncpg/pgproto/pgproto.c, especially the lines accessing PyLongObject.ob_digit. Compare the reported access with the proposed long_value->ob_digit change, then rebuild py-pgproto on Python 3.12 and confirm those errors are resolved.

Written by the indexing model from the issue text.

Description

Getting a lot of these errors when trying to build https://github.com/MagicStack/asyncpg on Python 3.12:

  asyncpg/pgproto/pgproto.c:40800:55: error: no member named 'ob_digit' in 'struct _longobject'
              const digit* digits = ((PyLongObject*)x)->ob_digit;
                                    ~~~~~~~~~~~~~~~~~~  ^
  asyncpg/pgproto/pgproto.c:40855:55: error: no member named 'ob_digit' in 'struct _longobject'
              const digit* digits = ((PyLongObject*)x)->ob_digit;
                                    ~~~~~~~~~~~~~~~~~~  ^
  asyncpg/pgproto/pgproto.c:41034:55: error: no member named 'ob_digit' in 'struct _longobject'
              const digit* digits = ((PyLongObject*)x)->ob_digit;
                                    ~~~~~~~~~~~~~~~~~~  ^

I believe this can be solved by converting ((PyLongObject*)x)->ob_digit to ((PyLongObject*)x)->long_value->ob_digit

Dominant language: Cython
Stars: 38
Forks: 21
PR merge metrics: No merged PRs in 30d

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