gh-153511: Removes Tools/msi, Tools/nuget, and legacy py.exe launcher sources

.azure-pipelines/windows-layout-steps.yml

@@ -12,7 +12,7 @@ steps:
   displayName: Show layout info (${{ parameters.kind }})
 
 - ${{ if eq(parameters.fulltest, 'true') }}:
-  - script: .\python.exe -m test -q -uall -u-cpu -rwW --slowest --timeout=1200 -j0 --junit-xml="$(Build.BinariesDirectory)\test-results-${{ parameters.kind }}.xml" --tempdir "$(Build.BinariesDirectory)\tmp-${{ parameters.kind }}-$(arch)" -i test_launcher
+  - script: .\python.exe -m test -q -uall -u-cpu -rwW --slowest --timeout=1200 -j0 --junit-xml="$(Build.BinariesDirectory)\test-results-${{ parameters.kind }}.xml" --tempdir "$(Build.BinariesDirectory)\tmp-${{ parameters.kind }}-$(arch)"
     workingDirectory: $(Build.BinariesDirectory)\layout-${{ parameters.kind }}-$(arch)
     displayName: ${{ parameters.kind }} Tests
     env:

.gitattributes

@@ -19,7 +19,7 @@
 *.zip binary
 
 # Specific binary files
-PC/classicAppCompat.* binary
+# -- None right now --
 
 # Text files that should not be subject to eol conversion
 [attr]noeol -text

.github/CODEOWNERS

@@ -188,12 +188,8 @@ Tools/wasm/wasi               @brettcannon @emmatyping @savannahostrowski
 PC/                           @python/windows-team
 PCbuild/                      @python/windows-team
 
-# Windows installer packages
-Tools/msi/                    @python/windows-team
-Tools/nuget/                  @python/windows-team
-
-# Windows Launcher
-PC/launcher.c                 @python/windows-team @vsajip
+# Windows Venv launcher/redirector
+PC/venvlauncher.c             @python/windows-team @vsajip
 
 
 # ----------------------------------------------------------------------------

.github/workflows/build.yml

@@ -181,22 +181,6 @@ jobs:
       free-threading: ${{ matrix.free-threading }}
       interpreter: ${{ matrix.interpreter }}
 
-  build-windows-msi:
-    # ${{ '' } is a hack to nest jobs under the same sidebar category.
-    name: Windows MSI${{ '' }}  # zizmor: ignore[obfuscation]
-    needs: build-context
-    if: fromJSON(needs.build-context.outputs.run-windows-msi)
-    strategy:
-      fail-fast: false
-      matrix:
-        arch:
-        - x86
-        - x64
-        - arm64
-    uses: ./.github/workflows/reusable-windows-msi.yml
-    with:
-      arch: ${{ matrix.arch }}
-
   build-macos:
     name: >-
       macOS
@@ -659,7 +643,6 @@ jobs:
     - check-generated-files
     - check-c-api-docs
     - build-windows
-    - build-windows-msi
     - build-macos
     - build-ubuntu
     - build-ubuntu-ssltests
@@ -680,7 +663,6 @@ jobs:
         allowed-failures: >-
           build-android,
           build-emscripten,
-          build-windows-msi,
           build-ubuntu-ssltests,
           test-hypothesis,
           cifuzz,

.github/workflows/reusable-context.yml

@@ -47,9 +47,6 @@ on:  # yamllint disable-line rule:truthy
       run-wasi:
         description: Whether to run the WASI tests
         value: ${{ jobs.compute-changes.outputs.run-wasi }}  # bool
-      run-windows-msi:
-        description: Whether to run the MSI installer smoke tests
-        value: ${{ jobs.compute-changes.outputs.run-windows-msi }}  # bool
       run-windows-tests:
         description: Whether to run the Windows tests
         value: ${{ jobs.compute-changes.outputs.run-windows-tests }}  # bool
@@ -73,7 +70,6 @@ jobs:
       run-ubuntu: ${{ steps.changes.outputs.run-ubuntu }}
       run-emscripten: ${{ steps.changes.outputs.run-emscripten }}
       run-wasi: ${{ steps.changes.outputs.run-wasi }}
-      run-windows-msi: ${{ steps.changes.outputs.run-windows-msi }}
       run-windows-tests: ${{ steps.changes.outputs.run-windows-tests }}
     steps:
     - name: Set up Python

.gitignore

@@ -50,7 +50,7 @@ gmon.out
 
 *.exe
 
-# Ignore core dumps... but not Tools/msi/core/ or the like.
+# Ignore core dumps... but not .../core/ subdirectories
 core
 !core/
 
@@ -158,7 +158,6 @@ Tools/unicode/data/
 /coverage/
 /externals/
 /htmlcov/
-Tools/msi/obj
 Tools/ssl/amd64
 Tools/ssl/win32
 Tools/freeze/test/outdir

Include/internal/pycore_magic_number.h

@@ -310,9 +310,6 @@ Known values:
     You should always use the *upcoming* tag. For example, if 3.12a6 came out
     a week ago, I should put "Python 3.12a7" next to my new magic number.
 
-Whenever PYC_MAGIC_NUMBER is changed, the ranges in the magic_values array in
-PC/launcher.c must also be updated.
-
 */
 
 #define PYC_MAGIC_NUMBER 3704

InternalDocs/interpreter.md

@@ -307,9 +307,7 @@ With a new bytecode you must also change what is called the "magic number" for
 .pyc files: bump the value of the variable `MAGIC_NUMBER` in
 [`Lib/importlib/_bootstrap_external.py`](../Lib/importlib/_bootstrap_external.py).
 Changing this number will lead to all .pyc files with the old `MAGIC_NUMBER`
-to be recompiled by the interpreter on import.  Whenever `MAGIC_NUMBER` is
-changed, the ranges in the `magic_values` array in
-[`PC/launcher.c`](../PC/launcher.c) may also need to be updated.  Changes to
+to be recompiled by the interpreter on import.  Changes to
 [`Lib/importlib/_bootstrap_external.py`](../Lib/importlib/_bootstrap_external.py)
 will take effect only after running `make regen-importlib`.