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When looking for Python in the registry, as specified in PEP514, this was not able to handle installations in a path with spaces, like Program Files. This ensures the whole path is used, fixing the issue. PR-URL: https://github.com/nodejs/node/pull/29236 Reviewed-By: Christian Clauss <cclauss@me.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
66 lines
1.8 KiB
Batchfile
66 lines
1.8 KiB
Batchfile
@IF NOT DEFINED DEBUG_HELPER @ECHO OFF
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echo Looking for Python 2.x
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setlocal enabledelayedexpansion
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:: If python.exe is in %Path%, just validate
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FOR /F "delims=" %%a IN ('where python.exe 2^> NUL') DO (
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SET need_path=0
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SET p=%%~dpa
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IF NOT ERRORLEVEL 1 GOTO :validate
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)
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:: Query the 3 locations mentioned in PEP 514 for a python2 InstallPath
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FOR %%K IN ( "HKCU\Software", "HKLM\SOFTWARE", "HKLM\Software\Wow6432Node") DO (
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SET need_path=1
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CALL :find-versions-v2 %%K
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:: If validate returns 0 just jump to the end
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IF NOT ERRORLEVEL 1 GOTO :validate
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)
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goto :no-python
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:: Find Python 2 installations in a registry location
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:find-versions-v2
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for /f "delims=" %%a in ('reg query "%~1\Python\PythonCore" /f * /k 2^> nul ^| findstr /r ^^HK ^| findstr "\\2\."') do (
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call :read-installpath %%a
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if not errorlevel 1 exit /b 0
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)
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exit /b 1
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:: Read the InstallPath of a given Environment Key to %p%
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:: https://www.python.org/dev/peps/pep-0514/#installpath
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:read-installpath
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:: %%a will receive token 3
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:: %%b will receive *, corresponding to token 4 and all after
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for /f "skip=2 tokens=3*" %%a in ('reg query "%1\InstallPath" /ve /t REG_SZ 2^> nul') do (
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set "head=%%a"
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set "tail=%%b"
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set "p=!head!"
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if not "!tail!"=="" set "p=!head! !tail!"
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exit /b 0
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)
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exit /b 1
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:: Check if %p% holds a path to a real python2 executable
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:validate
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IF NOT EXIST "%p%python.exe" goto :no-python
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:: Check if %p% is python2
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"%p%python.exe" -V 2>&1 | findstr /R "^Python.2.*" > NUL
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IF ERRORLEVEL 1 goto :no-python2
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:: We can wrap it up
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ENDLOCAL & SET pt=%p%& SET need_path_ext=%need_path%
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SET VCBUILD_PYTHON_LOCATION=%pt%python.exe
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IF %need_path_ext%==1 SET Path=%Path%;%pt%
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SET need_path_ext=
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EXIT /B %ERRORLEVEL%
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:no-python2
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echo Python found in %p%, but it is not v2.x.
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exit /B 1
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:no-python
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echo Could not find Python.
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exit /B 1
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