bpo-45020: Drop the frozen .h files from the repo. (gh-28375)

The main advantage is that the files will no longer show up in diffs and PRs. That means, for a PR, the number of files / lines changed will more clearly reflect the actual change.

https://bugs.python.org/issue45020

Author: ericsnowcurrently

.gitignore

@@ -121,12 +121,10 @@ Tools/msi/obj
 Tools/ssl/amd64
 Tools/ssl/win32
 
-# TODO: Once we auto-regen frozem modules for Windows builds
-# we can drop the .h files from the repo and ignore them here.
-# At that point we will rely the frozen manifest file to identify
-# changed generated files.  We'll drop the entry for it then.
-# See: Tools/scripts/freeze_modules.py.
-#Python/frozen_modules/*.h
+# The frozen modules are always generated at build time.
+Python/frozen_modules/*.h
+# The manifest can be generated at any time with "make regen-frozen".
+Python/frozen_modules/MANIFEST
 
 # Two-trick pony for OSX and other case insensitive file systems:
 # Ignore ./python binary on Unix but still look into ./Python/ directory.

PCbuild/_freeze_module.vcxproj

@@ -245,6 +245,46 @@
       <IntFile>$(IntDir)zipimport.g.h</IntFile>
       <OutFile>$(PySourcePath)Python\frozen_modules\zipimport.h</OutFile>
     </None>
+    <None Include="..\Lib\abc.py">
+      <ModName>abc</ModName>
+      <IntFile>$(IntDir)abc.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\abc.h</OutFile>
+    </None>
+    <None Include="..\Lib\io.py">
+      <ModName>io</ModName>
+      <IntFile>$(IntDir)io.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\io.h</OutFile>
+    </None>
+    <None Include="..\Lib\_collections_abc.py">
+      <ModName>_collections_abc</ModName>
+      <IntFile>$(IntDir)_collections_abc.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\_collections_abc.h</OutFile>
+    </None>
+    <None Include="..\Lib\_sitebuiltins.py">
+      <ModName>_sitebuiltins</ModName>
+      <IntFile>$(IntDir)_sitebuiltins.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\_sitebuiltins.h</OutFile>
+    </None>
+    <None Include="..\Lib\genericpath.py">
+      <ModName>genericpath</ModName>
+      <IntFile>$(IntDir)genericpath.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\genericpath.h</OutFile>
+    </None>
+    <None Include="..\Lib\ntpath.py">
+      <ModName>ntpath</ModName>
+      <IntFile>$(IntDir)ntpath.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\ntpath.h</OutFile>
+    </None>
+    <None Include="..\Lib\posixpath.py">
+      <ModName>posixpath</ModName>
+      <IntFile>$(IntDir)posixpath.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\posixpath.h</OutFile>
+    </None>
+    <None Include="..\Lib\stat.py">
+      <ModName>stat</ModName>
+      <IntFile>$(IntDir)stat.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\frozen_modules\stat.h</OutFile>
+    </None>
     <None Include="..\Lib\__hello__.py">
       <ModName>__hello__</ModName>
       <IntFile>$(IntDir)__hello__.g.h</IntFile>

PCbuild/_freeze_module.vcxproj.filters

@@ -25,6 +25,30 @@
     <None Include="..\Lib\zipimport.py">
       <Filter>Python Files</Filter>
     </None>
+    <None Include="..\Lib\abc.py">
+      <Filter>Python Files</Filter>
+    </None>
+    <None Include="..\Lib\io.py">
+      <Filter>Python Files</Filter>
+    </None>
+    <None Include="..\Lib\_collections_abc.py">
+      <Filter>Python Files</Filter>
+    </None>
+    <None Include="..\Lib\_sitebuiltins.py">
+      <Filter>Python Files</Filter>
+    </None>
+    <None Include="..\Lib\genericpath.py">
+      <Filter>Python Files</Filter>
+    </None>
+    <None Include="..\Lib\ntpath.py">
+      <Filter>Python Files</Filter>
+    </None>
+    <None Include="..\Lib\posixpath.py">
+      <Filter>Python Files</Filter>
+    </None>
+    <None Include="..\Lib\stat.py">
+      <Filter>Python Files</Filter>
+    </None>
     <None Include="..\Lib\__hello__.py">
       <Filter>Python Files</Filter>
     </None>