python脚本读取和写入注册表的路径
问题描述:
我开发了一个python脚本,其中我有一个设置窗口,其中有选择安装软件的路径的选项。当单击设置窗口的确定按钮时,我想要将所有选定的路径写入注册表,并在设置窗口再次打开时读取相同的内容。 我的代码如下所示。python脚本读取和写入注册表的路径
def OnOk(self, event):
data1=self.field1.GetValue() #path selected in setting window
aReg = ConnectRegistry(None,HKEY_LOCAL_MACHINE)
keyVal=OpenKey(aReg,r"SOFTWARE\my path to\Registry", 0,KEY_WRITE)
try:
SetValueEx(keyVal,"Log file",0,REG_SZ,data1)
except EnvironmentError:
pass
CloseKey(keyVal)
CloseKey(aReg)
我得到一个错误象下面这样:
Traceback (most recent call last):
File "D:\PROJECT\project.py", line 305, in OnOk
keyVal=OpenKey(aReg,r"SOFTWARE\my path to\Registry", 0,KEY_WRITE)
WindowsError: [Error 5] Access is denied
而且从注册表中读取,保存的注册表在设定window.I显示了以下code.Though其工作尝试,但不满意我编程的方式。帮助我解决更好的解决方案
key = OpenKey(HKEY_CURRENT_USER, r'Software\my path to\Registry', 0, KEY_READ)
for i in range(4):
try:
n,v,t = EnumValue(key,i)
if i==0:
self.field2.SetValue(v)
elif i==1:
self.field3.SetValue(v)
elif i==2:
self.field4.SetValue(v)
elif i==3:
self.field1.SetValue(v)
except EnvironmentError:
pass
CloseKey(key)
答
Python脚本从注册表中读取如下:
try:
root_key=OpenKey(HKEY_CURRENT_USER, r'SOFTWARE\my path to\Registry', 0, KEY_READ)
[Pathname,regtype]=(QueryValueEx(root_key,"Pathname"))
CloseKey(root_key)
if (""==Pathname):
raise WindowsError
except WindowsError:
return [""]
Python脚本写入注册表是:
try:
keyval=r"SOFTWARE\my path to\Registry"
if not os.path.exists("keyval"):
key = CreateKey(HKEY_CURRENT_USER,keyval)
Registrykey= OpenKey(HKEY_CURRENT_USER, r"SOFTWARE\my path to\Registry", 0,KEY_WRITE)
SetValueEx(Registrykey,"Pathname",0,REG_SZ,Pathname)
CloseKey(Registrykey)
return True
except WindowsError:
return False
希望它可以帮助你all.Cheers :)
答
看起来像您没有编辑注册表的权限。如果你是管理员,请运行此脚本,请在高架状态运行此脚本。
答
与@Aramanethota相同,但使用pep8和func def可轻松使用。
REG_PATH = r"SOFTWARE\my_program\Settings"
def set_reg(name, value):
try:
_winreg.CreateKey(_winreg.HKEY_CURRENT_USER, REG_PATH)
registry_key = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, REG_PATH, 0,
_winreg.KEY_WRITE)
_winreg.SetValueEx(registry_key, name, 0, _winreg.REG_SZ, value)
_winreg.CloseKey(registry_key)
return True
except WindowsError:
return False
def get_reg(name):
try:
registry_key = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, REG_PATH, 0,
_winreg.KEY_READ)
value, regtype = _winreg.QueryValueEx(registry_key, name)
_winreg.CloseKey(registry_key)
return value
except WindowsError:
return None
答
来自https://*.com/a/28365272/548792的Python脚本完成了所要求的内容等等。
下面是一些例子,假设它已被保存在当前路径中某处的文件setenv.py
中。 注意,在这个例子,你有你的电脑上没有管理权限,这样的变化仅适用于本地用户发生:
> REM ## Query env-var:
> setenv.py PATH C:\foo
!!!Cannot access HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment:PATH due to: [WinError 5] Access is denied
!!!Cannot find HKEY_CURRENT_USER\Environment:PATH due to: [WinError 2] The system cannot find the file specified
> REM ## Set env-var:
> setenv.py PATH C:\foo
!!!Cannot access HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment:PATH due to: [WinError 5] Access is denied
---Updated HKEY_CURRENT_USER\Environment:PATH=C:\foo
> REM ## Append env-var:
> setenv.py +PATH D:\Bar
!!!Cannot access HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment:PATH due to: [WinError 5] Access is denied
---Updated HKEY_CURRENT_USER\Environment:PATH=C:\foo;D:\Bar
> REM ## Delete env-var:
> setenv.py -PATH
!!!Cannot access HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment:PATH due to: [WinError 5] Access is denied
---Deleted HKEY_CURRENT_USER\Environment:PATH
答
#Python3 version of hugo24's snippet
import winreg
REG_PATH = r"Control Panel\Mouse"
def set_reg(name, value):
try:
winreg.CreateKey(winreg.HKEY_CURRENT_USER, REG_PATH)
registry_key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, REG_PATH, 0,
winreg.KEY_WRITE)
winreg.SetValueEx(registry_key, name, 0, winreg.REG_SZ, value)
winreg.CloseKey(registry_key)
return True
except WindowsError:
return False
def get_reg(name):
try:
registry_key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, REG_PATH, 0,
winreg.KEY_READ)
value, regtype = winreg.QueryValueEx(registry_key, name)
winreg.CloseKey(registry_key)
return value
except WindowsError:
return None
#Example MouseSensitivity
#Read value
print (get_reg('MouseSensitivity'))
#Set Value 1/20 (will just write the value to reg, the changed mouse val requires a win re-log to apply*)
set_reg('MouseSensitivity', str(10))
#*For instant apply of SystemParameters like the mouse speed on-write, you can use win32gui/SPI
#http://docs.activestate.com/activepython/3.4/pywin32/win32gui__SystemParametersInfo_meth.html
答
这是一类我写的(蟒蛇2)有能力在完成操作注册表时恢复状态。该类没有正确测试,因此它可能包含一些错误:
import _winreg as winreg
class Registry(object):
def __init__(self, restore_state=False):
self.m_backup = {}
self.m_restore_state = restore_state
def get_key(self, hkey, subkey, access, create_if_doesnt_exist=True):
created_key = False
registry_key = None
try:
registry_key = winreg.OpenKey(hkey, subkey, 0, access)
except WindowsError:
try:
if create_if_doesnt_exist:
registry_key = winreg.CreateKey(hkey, subkey)
if registry_key not in self.m_backup:
self.m_backup[registry_key] = ({}, (hkey, subkey))
else:
registry_key = None
except WindowsError:
if registry_key:
self.close_key(registry_key)
raise Exception('Registry does not exist and could not be created.')
return registry_key
def close_key(self, registry_key):
closed = False
if registry_key:
try:
winreg.CloseKey(registry_key)
closed = True
except:
closed = False
return closed
def get_reg_value(self, hkey, subkey, name):
value = None
registry_key = self.get_key(hkey, subkey, winreg.KEY_READ, False)
if registry_key:
try:
value, _ = winreg.QueryValueEx(registry_key, name)
except WindowsError:
value = None
finally:
self.close_key(registry_key)
return value
def set_reg_value(self, hkey, subkey, name, type, value):
registry_key = self.get_key(hkey, subkey, winreg.KEY_WRITE, True)
backed_up = False
was_set = False
if registry_key:
if self.m_restore_state:
if registry_key not in self.m_backup:
self.m_backup[registry_key] = ({}, None)
existing_value = self.get_reg_value(hkey, subkey, name)
if existing_value:
self.m_backup[registry_key][0][name] = (existing_value, type, False)
else:
self.m_backup[registry_key][0][name] = (None, None, True)
backed_up = True
try:
winreg.SetValueEx(registry_key, name, 0, type, value)
was_set = True
except WindowsError:
was_set = False
finally:
if not backed_up:
self.close_key(registry_key)
return was_set
def restore_state(self):
if self.m_restore_state:
for registry_key, data in self.m_backup.iteritems():
backup_dict, key_info = data
try:
for name, backup_data in backup_dict.iteritems():
value, type, was_created = backup_data
if was_created:
print registry_key, name
winreg.DeleteValue(registry_key, name)
else:
winreg.SetValueEx(registry_key, name, 0, type, value)
if key_info:
hkey, subkey = key_info
winreg.DeleteKey(hkey, subkey)
except:
raise Exception('Could not restore value')
self.close_key(registry_key)
def __del__(self):
if self.m_restore_state:
self.restore_state()
是的,我使用的是来宾用户,所以我没有得到它的权利。我将HKEY_LOCAL_MACHINE更改为HKEY_CURRENT_USER,现在工作正常。 – Aramanethota 2013-02-28 06:23:04
IS HKEY_CURRENT_USER是否适用于管理员和其他用户帐户? – Aramanethota 2013-02-28 06:26:33
如果访客用户可以访问注册表中的密钥,那么Admin也是如此。 – 2013-02-28 06:30:20