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patch 9.0.1980: win32: issues with stable python ABI

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Problem:  win32: issues with stable python ABI
Solution: if_python3,win32: Fix Python3 stable ABI

There were some issues in current stable ABI implementation on Windows:
* Python DLL name should be `python3.dll` instead of `python311.dll` and
  so on. (See: https://docs.python.org/3/c-api/stable.html)
* Some non-stable API functions were used:
  - `_PyObject_NextNotImplemented`
  - `PyStdPrinter_Type`
* `reset_stdin()` and `hook_py_exit()` didn't work with `python3.dll`.
  `python3.dll` is a special type of DLL called forwarder DLL.
  It just forwards the functions to other DLL (e.g. `python311.dll`).
  There were two issues regarding these functions:
  - `python3.dll` doesn't have import tables. This caused a crash in
    `get_imported_func_info()`. Add a check whether the specified DLL
    has an import table.
  - `reset_stdin()` and `hook_py_exit()` should be applied to the
    forwarded DLL (e.g. `python311.dll`), not to `python3.dll`.
    Check the export directory of `python3.dll` to find the forwarded
    DLL and apply the functions to it.

closes: #13260

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Ken Takata <kentkt@csc.jp>
This commit is contained in:
Ken Takata
2023-10-04 20:05:05 +02:00
committed by Christian Brabandt
parent 317468aace
commit 119fdd9293
6 changed files with 102 additions and 15 deletions
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2
src/version.c
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@@ -704,6 +704,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1980,
/**/
1979,
/**/