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bpo-40432: Use python 3.8 or higher to compile CPython on Windows (#25389)

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Ken Jin 2021-04-27 03:11:43 +08:00 committed by GitHub
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commit 425434dadc
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Misc/NEWS.d/next/Windows/2021-04-20-23-07-22.bpo-40432.9OFpoq.rst Normal file
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Updated pegen regeneration script on Windows to find and use Python 3.8 or
higher. Prior to this, pegen regeneration already required 3.8 or higher,
but the script may have used lower versions of Python.

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PCbuild/find_python.bat
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@ -34,10 +34,10 @@
@if exist "%_Py_EXTERNALS_DIR%\pythonx86\tools\python.exe" (set PYTHON="%_Py_EXTERNALS_DIR%\pythonx86\tools\python.exe") & (set _Py_Python_Source=found in externals directory) & goto :found
@rem If HOST_PYTHON is recent enough, use that
@if NOT "%HOST_PYTHON%"=="" @%HOST_PYTHON% -Ec "import sys; assert sys.version_info[:2] >= (3, 6)" >nul 2>nul && (set PYTHON="%HOST_PYTHON%") && (set _Py_Python_Source=found as HOST_PYTHON) && goto :found
@if NOT "%HOST_PYTHON%"=="" @%HOST_PYTHON% -Ec "import sys; assert sys.version_info[:2] >= (3, 8)" >nul 2>nul && (set PYTHON="%HOST_PYTHON%") && (set _Py_Python_Source=found as HOST_PYTHON) && goto :found
@rem If py.exe finds a recent enough version, use that one
@for %%p in (3.8 3.7 3.6) do @py -%%p -EV >nul 2>&1 && (set PYTHON=py -%%p) && (set _Py_Python_Source=found %%p with py.exe) && goto :found
@for %%p in (3.9 3.8) do @py -%%p -EV >nul 2>&1 && (set PYTHON=py -%%p) && (set _Py_Python_Source=found %%p with py.exe) && goto :found
@if NOT exist "%_Py_EXTERNALS_DIR%" mkdir "%_Py_EXTERNALS_DIR%"
@set _Py_NUGET=%NUGET%