feat: Include python3.def itself in the Rust source

All parsing and processing is done in the CI so that the crate itself includes
the python3.def file itself instead of creating it on the fly.

Author: adamreichold

.github/workflows/update.yml

@@ -14,13 +14,16 @@ jobs:
     - uses: actions/checkout@v3
     - name: Fetch latest stable_abi.txt
       run: |
-        curl https://raw.githubusercontent.com/python/cpython/main/Misc/stable_abi.txt > Misc/stable_abi.txt
+        curl https://raw.githubusercontent.com/python/cpython/main/Misc/stable_abi.txt > stable_abi.txt
+    - name: Parse stable_abi.txt to produce python3.def
+      run: |
+        ./parse-stable-abi.py < stable_abi.txt > src/python3.def
     - name: Create Pull Request
       uses: peter-evans/create-pull-request@v4
       with:
         delete-branch: true
         add-paths: |
-          Misc/stable_abi.txt
-        title: 'Update stable_abi.txt to the latest main'
-        commit-message: 'chore: Update stable_abi.txt to the latest main'
+          src/python3.def
+        title: 'Update python3.def using stable_abi.txt from the latest main'
+        commit-message: 'chore: Update python3.def using stable_abi.txt from the latest main'
         body: 'Source: https://raw.githubusercontent.com/python/cpython/main/Misc/stable_abi.txt'

LICENSE

@@ -1,7 +1,6 @@
 MIT License
 
-Copyright (c) 2022 Sergey Kvachonok (except file 'Misc/stable_abi.txt', which is
-Copyright (c) 2022 Python Software Foundation, see 'Misc/LICENSE' for its license)
+Copyright (c) 2022 Sergey Kvachonok, Adam Reichold
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal