import os
import sys
import subprocess
'''
# 用户环境变量注册表位置
set regPath= HKEY_CURRENT_USER\Environment
# 系统环境变量注册表位置
set regPath= HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session" "Manager\Environment
reg add %regPath% /v %key% /t REG_EXPAND_SZ /d "%oldValue%;%value%" /f
'''
SET_ENV = r'''
@echo
set %{key}%={value}
echo %{key}%
if {user}==sys (
setx /M｛key｝ "%{key}%"
) else (
setx {key} "%{key}%"
)
'''
ADD_ENV = r'''
@echo off
if {user}==sys (
set regPath= HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session" "Manager\Environment
) else (
set regPath= HKEY_CURRENT_USER\Environment
)
set key={key}
set value={value}
:: 判断是否存在该路径
reg query %regPath% /v %key% 1>nul 2>nul
if %ERRORLEVEL%==0 (
:: 取值
For /f "tokens=3* delims= " %%i in ('Reg Query %regPath% /v %key% ') do (
if "%%j"=="" (Set oldValue=%%i) else (Set oldValue=%%i %%j)
)
) else Set oldValue="."
:: 备份注册表
reg export %regPath% %~dp0%~n0.reg
:: 写入环境变量
if "%oldValue%"=="." (
reg add %regPath% /v %key% /t REG_EXPAND_SZ /d "%value%" /f
) else (
reg add %regPath% /v %key% /t REG_EXPAND_SZ /d "%oldValue%;%value%" /f
)
'''
class WinReg:
# 连续运行 bat 命令
def runbat(self, bat):
tmp_bat_file = 'tmp.bat'
with open(tmp_bat_file, 'w',encoding="utf-8") as f:
f.writelines(bat)
#print(tmp_bat_file)
self.runcmd(tmp_bat_file)
# 添加环境变量
def append_env(self, is_sys, key, value):
# 运行设置环境变量命令
user = 'sys' if is_sys else 'me'
cmds = ADD_ENV.format(user=user, key=key, value=value)
#print("cmd: %s" % cmds)
self.runbat(cmds)
# 设置环境变量
def _set_env(self, is_sys, key, value):
user = 'sys' if is_sys else 'me'
cmds = SET_ENV.format(user=user, key=key, value=value)
self.runbat(cmds)
def runcmd(self,file):
p = subprocess.Popen(file, shell=True, stdout=subprocess.PIPE,stderr=subprocess.STDOUT)
print(p)
def append_path(self,path):
print("添加")
self.append_env(1,"Path",path)
winreg = WinReg()
winreg.append_path(r"D:\Program Files (x86)\ffmpeg\bin")
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