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Port 23-argument _posixsubprocess.fork_exec to Argument Clinic #94518

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@arhadthedev

Description

@arhadthedev

Currently the function is parsed with the following behemoth:

if (!PyArg_ParseTuple(
            args, "OOpO!OOiiiiiiiiii" _Py_PARSE_PID "OOOiOp:fork_exec",
            &process_args, &executable_list,
            &close_fds, &PyTuple_Type, &py_fds_to_keep,
            &cwd_obj, &env_list,
            &p2cread, &p2cwrite, &c2pread, &c2pwrite,
            &errread, &errwrite, &errpipe_read, &errpipe_write,
            &restore_signals, &call_setsid, &pgid_to_set,
            &gid_object, &groups_list, &uid_object, &child_umask,
            &preexec_fn, &allow_vfork))
        return NULL;

Conversion will:

  • hide this from a realm of manual and error-prone labor into a precise and checked world of automation
  • allow to use faster methods like METH_FASTCALL+_PyArg_CheckPositional.

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