Eryk Sun <eryk...@gmail.com> added the comment:
> How are you checking whether it's there or not?
The desktop distribution of 3.9.8 is the most obvious case, since it causes
sys.getwindowsversion() to report Windows 8.0 (6.2.9200):
C:\Temp>"C:\Program Files\Python39\python.exe" -q
>>> import sys
>>> sys.getwindowsversion()
sys.getwindowsversion(major=6, minor=2, build=9200, platform=2,
service_pack='')
But I checked for the manifest directly using the SDK manifest tool, mt.exe.
It's missing in 3.9.8:
C:\Temp>set file=C:\Program Files\Python39\python.exe
C:\Temp>mt -nologo -inputresource:"%file%";#1 -out:python.manifest
mt : general error c101008c: Failed to read the manifest from the resource
of file
"C:\Program Files\Python39\python.exe".
The specified resource type cannot be found in the image file.
C:\Temp>set file=C:\Program
Files\WindowsApps\PythonSoftwareFoundation.Python.3.9_3.9.2288.0_x64__qbz5n2kfra8p0\python.exe
C:\Temp>mt -nologo -inputresource:"%file%";#1 -out:python.manifest
mt : general error c101008c: Failed to read the manifest from the resource
of file
"C:\Program Files\WindowsApps
\PythonSoftwareFoundation.Python.3.9_3.9.2288.0_x64__qbz5n2kfra8p0
\python.exe".
The specified resource type cannot be found in the image file.
For comparison, the manifest is present in 3.10, which was built over a month
ago:
C:\Temp>set file=C:\Program Files\Python310\python.exe
C:\Temp>mt -nologo -inputresource:"%file%";#1 -out:python.manifest
C:\Temp>findstr longPathAware python.manifest
<longPathAware
xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings";>true</longPathAware>
C:\Temp>set file=C:\Program
Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.240.0_x64__qbz5n2kfra8p0\python.exe
C:\Temp>mt -nologo -inputresource:"%file%";#1 -out:python.manifest
C:\Temp>findstr longPathAware python.manifest
<longPathAware
xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings";>true</longPathAware>
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<https://bugs.python.org/issue45777>
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