bat安裝python的msi包

#把python-2.7.3.amd64.msi和這個腳本放在同一個目錄下

@ECHO OFF

::定於初始變量
SET python_home=C:\Python27
SET python_exe=%python_home%\python.exe

::判斷python是否安裝
if exist %python_exe% (
echo file %python_exe% is exist ......
) else (
::默認安裝目錄為C:\Python27
ECHO Start to install python-2.7.3.amd64 ......
msiexec /i python-2.7.3.amd64.msi /quiet /passive
ECHO install python2.76 successfully......
)

::檢查path中有沒有c:\python27(有就跳到run，沒有就接着執行)
echo start to set python sys path.......
echo %path%|findstr /i "%python_home%"&&(goto run)

::添加到環境變量
echo check python path......
wmic ENVIRONMENT where "name='path' and username='<system>'" set VariableValue="%path%;%python_home%"
::再永久生效
echo aplly path......
set path=%path%;%python_home%

path

:run
::開始安裝setuptools

::開始執行python
echo now run py........
python a.py

pause
exit