netswitch 0.0.1

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Netswitch

Network switching. Make sure you're connecting with the priority that you want.

Works on Linux (relies on wpa_supplicant)

Install

pip install netswitch

Usage

Network Switching

import time
import netswitch

netswitch.sync_aps('path/to/aps')

switch = netswitch.NetSwitch([
    {'interface': 'wlan*', 'ssids': 'lifeline'},
    'eth*',  # equivalent to {'interface': 'eth*'}
    'ppp*',
    {'interface': 'wlan*'},  # implied - 'ssids': '*'
])

while True:
    time.sleep(10)
    connected = switch.check()
# or equivalently
switch.run(interval=10)

For example, assume your setup is:

• ifaces: wlan0 (built-in Pi 4 wifi), wlan1 (usb wifi dongle), ppp0 (cellular)
• trusted ssids: nyu, nyu-legacy

Procedure - at any point in these steps, if we connect, we're finished:

• check wlan1 for s0nycL1f3l1ne, if yes, connect
• check wlan0 for s0nycL1f3l1ne, if yes, connect
• check for eth0 and internet connected thru interface
• check for ppp0 and internet connected thru interface
  • should we control wvdial or whatevs in this ???
• check wlan1 for [nyu, nyu-legacy], if yes, connect
• check wlan0 for [nyu, nyu-legacy], if yes, connect
• check if internet is already connected thru any interface

TODO

• tests - .travis.yml
• eth0 connection, ppp0 connection
• /etc/network/interfaces setup? / instructions?
• restart interface if it's missing / not connected? maybe only 0, or if it showed up once?
• time since connected - restart after a certain amount of time.