On 2018-02-19 09:57, Sum J wrote: > Hi, > > I am using below python code (Python 2.7) to reset the proxy of my Ubuntu > (Cent OS 6) system, but I am unable to reset the proxy:
I'm sure you know this, but CentOS and Ubuntu are two different things. > > Code : > import os > print "Unsetting http..." > os.system("unset http_proxy") > os.system("echo $http_proxy") > print "http is reset" Please pay attention to indentation when pasting Python code. I know what you mean, but as such this code wouldn't even run. > > Output : > Unsetting http... > http://web-proxy.xxxx.xxxxxxx.net:8080 > http is reset > Process finished with exit code 0 > > It should not return ' http://web-proxy.xxxx.xxxxxxx.net:8080 ' in output. > > I run the same unset command from terminal , then I see that proxy is > reset: > > [trex@sumlnxvm ~]$ unset $HTTP_PROXY > [trex@sumlnxvm ~]$ echo $HTTP_PROXY It is not possible to modify a parent process's environment from within a child process. Can I interest you in a shell function or alias? If you want to remove the environment variable for future processes you start from your python script, simply modify os.environ. For example: (using an environment variable I actually have on my system) % cat del_env.py import os os.system('echo desktop $XDG_SESSION_DESKTOP') print('removing') del os.environ['XDG_SESSION_DESKTOP'] os.system('echo desktop $XDG_SESSION_DESKTOP') % python del_env.py desktop gnome removing desktop % echo $XDG_SESSION_DESKTOP gnome -- Thomas > > [trex@sumlnxvm ~]$ > > > Please suggest how to reset system proxy using Python Code > > Regards, > Sumit > -- https://mail.python.org/mailman/listinfo/python-list