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Auto-install python if need be
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CorpNewt
GitHub
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135
MakeInstall.bat
135
MakeInstall.bat
@ -28,9 +28,13 @@ exit /B
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setlocal enableDelayedExpansion
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REM Setup initial vars
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set "script_name=%~n0.py"
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set "script_name=%~n0.command"
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set "thisDir=%~dp0"
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set /a tried=0
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goto checkscript
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:checkscript
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REM Check for our script first
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if not exist "!thisDir!\!script_name!" (
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echo Could not find !script_name!.
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@ -41,7 +45,9 @@ if not exist "!thisDir!\!script_name!" (
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pause > nul
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exit /b
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)
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goto checkpy
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:checkpy
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REM Get python location
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FOR /F "tokens=* USEBACKQ" %%F IN (`where python 2^> nul`) DO (
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SET "python=%%F"
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@ -49,23 +55,126 @@ FOR /F "tokens=* USEBACKQ" %%F IN (`where python 2^> nul`) DO (
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REM Check for py and give helpful hints!
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if /i "!python!"=="" (
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echo Python is not installed or not found in your PATH var.
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echo Please install it from https://www.python.org/downloads/windows/
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echo.
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echo Make sure you check the box labeled:
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echo.
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echo "Add Python X.X to PATH"
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echo.
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echo Where X.X is the py version you're installing.
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echo.
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echo Press [enter] to quit.
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pause > nul
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exit /b
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if %tried% lss 1 (
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goto installpy
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) else (
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cls
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echo ### ###
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echo # Warning #
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echo ### ###
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REM Couldn't install for whatever reason - give the error message
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echo Python is not installed or not found in your PATH var.
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echo Please install it from https://www.python.org/downloads/windows/
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echo.
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echo Make sure you check the box labeled:
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echo.
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echo "Add Python X.X to PATH"
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echo.
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echo Where X.X is the py version you're installing.
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echo.
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echo Press [enter] to quit.
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pause > nul
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exit /b
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)
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)
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goto runscript
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:installpy
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REM This will attempt to download and install python
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REM First we get the html for the python downloads page for Windows
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set /a tried=%tried%+1
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cls
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echo ### ###
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echo # Installing Python #
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echo ### ###
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echo.
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echo Gathering info from https://www.python.org/downloads/windows/...
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powershell -command "(new-object System.Net.WebClient).DownloadFile('https://www.python.org/downloads/windows/','%TEMP%\pyurl.txt')"
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if not exist "%TEMP%\pyurl.txt" (
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goto checkpy
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)
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echo Parsing for latest...
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REM Got the file, let's parse it
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pushd "%TEMP%"
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set "release="
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for /F "tokens=*" %%x in (pyurl.txt) do (
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set "t=%%x"
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if /i not "%%x" == "" (
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if /i not "!t:Latest Python 3=!"=="!t!" (
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REM echo !t!
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set "release=!t!"
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)
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)
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)
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popd
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REM Let's replace the " with ' and split the string by spaces
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REM to get the actual version number
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set "release=!release:"='!"
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for /F "tokens=8* delims= " %%x in ("!release!") do (
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set "release=%%x"
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)
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REM Once more - split at the < and get the first
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for /F "tokens=1* delims=<" %%x in ("!release!") do (
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set "release=%%x"
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)
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echo Found Python !release! - Downloading...
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REM Let's delete our txt file now - we no longer need it
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del "%TEMP%\pyurl.txt"
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REM At this point - we should have the version number.
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REM We can build the url like so: "https://www.python.org/ftp/python/[version]/python-[version]-amd64.exe"
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set "url=https://www.python.org/ftp/python/!release!/python-!release!-amd64.exe"
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REM Now we download it with our slick powershell command
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powershell -command "(new-object System.Net.WebClient).DownloadFile('!url!','%TEMP%\pyinstall.exe')"
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REM If it doesn't exist - we bail
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if not exist "%TEMP%\pyinstall.exe" (
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goto checkpy
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)
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REM It should exist at this point - let's run it to install silently
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echo Installing...
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echo pyinstall.exe /quiet PrependPath=1 Include_test=0 Shortcuts=0 Include_launcher=0
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pushd "%TEMP%"
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pyinstall.exe /quiet PrependPath=1 Include_test=0 Shortcuts=0 Include_launcher=0
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popd
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echo Installer finsihed with %ERRORLEVEL% status.
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REM Now we should be able to delete the installer and check for py again
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del "%TEMP%\pyinstall.exe"
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REM If it worked, then we should have python in our PATH
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REM this does not get updated right away though - let's try
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REM manually updating the local PATH var
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set "spath="
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set "upath="
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for /f "tokens=2* delims= " %%i in ('reg.exe query "HKCU\Environment" /v "Path" 2^> nul') do (
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if NOT "%%j"=="" (
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set "upath=%%j"
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)
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)
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for /f "tokens=2* delims= " %%i in ('reg.exe query "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v "Path" 2^> nul') do (
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if NOT "%%j"=="" (
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set "spath=%%j"
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)
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)
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if not "!spath!" == "" (
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REM We got something in the system path
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set "PATH=!spath!"
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if not "!upath!" == "" (
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REM We also have something in the user path
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set "PATH=!PATH!;!upath!"
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)
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) else if not "!upath!" == "" (
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set "PATH=!upath!"
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)
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goto checkpy
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exit /b
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:runscript
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REM Python found
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if "%*"=="" (
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"!python!" "!thisDir!!script_name!"
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) else (
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"!python!" "!thisDir!!script_name!" %*
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)
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goto :EOF
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