58 lines
2.3 KiB
Batchfile
58 lines
2.3 KiB
Batchfile
|
@rem
|
||
|
|
@rem Searches for python.exe and may download a private copy from nuget.
|
||
|
|
@rem
|
||
|
|
@rem This file is supposed to modify the state of the caller (specifically
|
||
|
|
@rem the MSBUILD variable), so we do not use setlocal or echo, and avoid
|
||
|
|
@rem changing any other persistent state.
|
||
|
|
@rem
|
||
|
|
|
||
|
|
@rem No arguments provided means do full search
|
||
|
|
@if '%1' EQU '' goto :begin_search
|
||
|
|
|
||
|
|
@rem One argument may be the full path. Use a goto so we don't try to
|
||
|
|
@rem parse the next if statement - incorrect quoting in the multi-arg
|
||
|
|
@rem case can cause us to break immediately.
|
||
|
|
@if '%2' EQU '' goto :one_arg
|
||
|
|
|
||
|
|
@rem Entire command line may represent the full path if quoting failed.
|
||
|
|
@if exist "%*" (set PYTHON="%*") & (set _Py_Python_Source=from environment) & goto :found
|
||
|
|
@goto :begin_search
|
||
|
|
|
||
|
|
:one_arg
|
||
|
|
@if exist "%~1" (set PYTHON="%~1") & (set _Py_Python_Source=from environment) & goto :found
|
||
|
|
|
||
|
|
:begin_search
|
||
|
|
@set PYTHON=
|
||
|
|
|
||
|
|
@set _Py_EXTERNALS_DIR=%EXTERNAL_DIR%
|
||
|
|
@if "%_Py_EXTERNALS_DIR%"=="" (set _Py_EXTERNALS_DIR=%~dp0\..\externals)
|
||
|
|
|
||
|
|
@rem If we have Python in externals, use that one
|
||
|
|
@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 py.exe finds a recent enough version, use that one
|
||
|
|
@py -3.6 -V >nul 2>&1 && (set PYTHON=py -3.6) && (set _Py_Python_Source=found with py.exe) && goto :found
|
||
|
|
|
||
|
|
@if NOT exist "%_Py_EXTERNALS_DIR%" mkdir "%_Py_EXTERNALS_DIR%"
|
||
|
|
@set _Py_NUGET=%NUGET%
|
||
|
|
@set _Py_NUGET_URL=%NUGET_URL%
|
||
|
|
@if "%_Py_NUGET%"=="" (set _Py_NUGET=%EXTERNALS_DIR%\nuget.exe)
|
||
|
|
@if "%_Py_NUGET_URL%"=="" (set _Py_NUGET_URL=https://aka.ms/nugetclidl)
|
||
|
|
@if NOT exist "%_Py_NUGET%" (
|
||
|
|
@echo Downloading nuget...
|
||
|
|
@rem NB: Must use single quotes around NUGET here, NOT double!
|
||
|
|
@rem Otherwise, a space in the path would break things
|
||
|
|
@powershell.exe -Command Invoke-WebRequest %_Py_NUGET_URL% -OutFile '%_Py_NUGET%'
|
||
|
|
)
|
||
|
|
@echo Installing Python via nuget...
|
||
|
|
@"%_Py_NUGET%" install pythonx86 -ExcludeVersion -OutputDirectory "%_Py_EXTERNALS_DIR%"
|
||
|
|
@rem Quote it here; it's not quoted later because "py -3.6" wouldn't work
|
||
|
|
@if not errorlevel 1 (set PYTHON="%_Py_EXTERNALS_DIR%\pythonx86\tools\python.exe") & (set _Py_Python_Source=found on nuget.org) & goto :found
|
||
|
|
|
||
|
|
|
||
|
|
@exit /b 1
|
||
|
|
|
||
|
|
:found
|
||
|
|
@echo Using %PYTHON% (%_Py_Python_Source%)
|
||
|
|
@set _Py_Python_Source=
|