在Linux上从Python连接到一个受保护的WiFi。

I'm creating a software for Ubuntu Linux that needs to connect to a WiFi AP. The WiFi network is not predefined and can change several times during a single run of the software (the user is the one who orders the change). The idea is this: given a set of SSIDs and their WPA or WEP passphrases, the software should be able to switch between the networks on the whim, without the need to change any configuration files anywhere in the system.I'm creating a software for Ubuntu Linux that n