Change browser proxy settings from Python?

Question

I have written a program that relies on a proxy to function. I now need a script that will check to see if the browser is set to use the right proxy, and if not, change it t

Answer 1

Much thanks to @Cesar Canassa, but there is a small problem, you should always refresh after you change the setting, otherwise the changes you just made in winreg will be discarded when you refresh. So it should be like this.

import ctypes

INTERNET_OPTION_REFRESH = 37
INTERNET_OPTION_SETTINGS_CHANGED = 39

internet_set_option = ctypes.windll.Wininet.InternetSetOptionW

internet_set_option(0, INTERNET_OPTION_SETTINGS_CHANGED, 0, 0)
internet_set_option(0, INTERNET_OPTION_REFRESH, 0, 0)