if sys.hexversion > 0x03000000:
import winreg
else:
import _winreg as winreg
import win32con
from win32gui import SendMessage
class Win32Environment:
"""Utility class to get/set windows environment variable"""
def __init__(self, scope):
assert scope in ('user', 'system')
self.scope = scope
if scope == 'user':
self.root = winreg.HKEY_CURRENT_USER
self.subkey = 'Environment'
else:
self.root = winreg.HKEY_LOCAL_MACHINE
self.subkey = r'SYSTEM\CurrentControlSet\Control\Session Manager\Environment'
def getenv(self, name):
key = winreg.OpenKey(self.root, self.subkey, 0, winreg.KEY_READ)
try:
value, _ = winreg.QueryValueEx(key, name)
except WindowsError:
value = ''
return value
def setenv(self, name, value):
if self.scope != 'user': raise NotImplementedError('setenv supported only for user env')
key = winreg.OpenKey(self.root, self.subkey, 0, winreg.KEY_ALL_ACCESS)
winreg.SetValueEx(key, name, 0, winreg.REG_EXPAND_SZ, value)
winreg.CloseKey(key)
SendMessage(
win32con.HWND_BROADCAST, win32con.WM_SETTINGCHANGE, 0, self.subkey)
Diff to Previous Revision
--- revision 3 2011-03-22 23:52:56
+++ revision 4 2011-03-22 23:55:04
@@ -2,6 +2,8 @@
import winreg
else:
import _winreg as winreg
+import win32con
+from win32gui import SendMessage
class Win32Environment:
"""Utility class to get/set windows environment variable"""
@@ -25,9 +27,7 @@
return value
def setenv(self, name, value):
- import win32con
- from win32gui import SendMessage
- assert self.scope == 'user', 'setenv supported only for user env'
+ if self.scope != 'user': raise NotImplementedError('setenv supported only for user env')
key = winreg.OpenKey(self.root, self.subkey, 0, winreg.KEY_ALL_ACCESS)
winreg.SetValueEx(key, name, 0, winreg.REG_EXPAND_SZ, value)
winreg.CloseKey(key)
