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Process for upgrading the stdlib to a new cpython version
==========================================================
.. note::
overly detailed
0. make sure your working dir is clean
1. check out this branch
2. upgrade the files there
2a. `rm -rf lib-python/3/*`
2b. copy the files from the cpython repo
2c. copy to `lib_pypy`
- `Modules/_ctypes/_ctypes_test.c`
- `Modules/_testcapimodule.c`
- `Modules/_testcapi_feature_macros.inc`
- `Modules/_testmultiphase.c`
- `Modules/clinic/_testmultiphase.c.h`
2d. `git add lib-python/3/`
2e. show copied files in cpython repo by running appropriate git commands
2f. fix copies / renames manually
2g. Do not delete the CPython token.py, it is needed for app_main tests
3. update stdlib-version.txt with the output of `git status` from the cpython repo
4. commit
5. update to py3.11
6. create a integration branch for the new stdlib
(just git branch stdlib-$version)
7. merge vendor/stdlib or vendor/stdlib-3-*
8. commit
10. fix issues. Note especially changes in datetime.py, venv/__init__.py, and others.
11. commit --close-branch
14. update version numbers in sys/version.py and cpyext/include/patch_level.h
Process for updating a point release if the diff is small
=========================================================
In cpython, do `git diff -r <current> -r <newer> Lib > <outfile>`
so for instance `git diff -r v3.9.7 -r v3.9.9 Lib > /tmp/patch3.9.9`
In pypy, cd into `lib-python/3`
Then do
patch -p2 -i <outfile>
If patch asks about reversed patches, reply "no" and apply anyway "yes"
Carefully note the failures in the *.rej files and try to resolve the conflicts.
Delete all the *.orig files, and look for files that should be added to version control
Look for removed files that should be deleted from version control
Then update sys/version.py, cpyext/include/patchlevel.h, and ./stdlib-version.txt
Make sure binary files (especially pip and setuptools wheels) were copied
correctly. On at least one occasion they were empty after this process.
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