Python WiFi Example

wifi.py

# -*- coding: utf-8 -*-

import wifi


def Search():
    wifilist = []

    cells = wifi.Cell.all('wlan0')

    for cell in cells:
        wifilist.append(cell)

    return wifilist


def FindFromSearchList(ssid):
    wifilist = Search()

    for cell in wifilist:
        if cell.ssid == ssid:
            return cell

    return False


def FindFromSavedList(ssid):
    cell = wifi.Scheme.find('wlan0', ssid)

    if cell:
        return cell

    return False


def Connect(ssid, password=None):
    cell = FindFromSearchList(ssid)

    if cell:
        savedcell = FindFromSavedList(cell.ssid)

        # Already Saved from Setting
        if savedcell:
            savedcell.activate()
            return cell

        # First time to conenct
        else:
            if cell.encrypted:
                if password:
                    scheme = Add(cell, password)

                    try:
                        scheme.activate()

                    # Wrong Password
                    except wifi.exceptions.ConnectionError:
                        Delete(ssid)
                        return False

                    return cell
                else:
                    return False
            else:
                scheme = Add(cell)

                try:
                    scheme.activate()
                except wifi.exceptions.ConnectionError:
                    Delete(ssid)
                    return False

                return cell
    
    return False


def Add(cell, password=None):
    if not cell:
        return False

    scheme = wifi.Scheme.for_cell('wlan0', cell.ssid, cell, password)
    scheme.save()
    return scheme


def Delete(ssid):
    if not ssid:
        return False

    cell = FindFromSavedList(ssid)

    if cell:
        cell.delete()
        return True

    return False


if __name__ == '__main__':
    # Search WiFi and return WiFi list
    print Search()

    # Connect WiFi with password & without password
    print Connect('OpenWiFi')
    print Connect('ClosedWiFi', 'password')

    # Delete WiFi from auto connect list
    print Delete('DeleteWiFi')

Guys…can you give me pls an answer of this question…my devise is not rooted..
Can this script run without any problems ???

Hi!

Any solution for the returned non-zero error returned by the scheme.activate() method?

Here is the complete error message below:
Traceback (most recent call last):
File "/home/pi/projects/wifi_connect.py", line 106, in
print(Connect('test', '12345678'))
File "/home/pi/projects/wifi_connect.py", line 54, in Connect
scheme.activate()
File "/home/pi/.local/lib/python3.9/site-packages/wifi/scheme.py", line 172, in activate
subprocess.check_output(['/sbin/ifdown', self.interface], stderr=subprocess.STDOUT)
File "/usr/lib/python3.9/subprocess.py", line 424, in check_output
return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
File "/usr/lib/python3.9/subprocess.py", line 528, in run
raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['/sbin/ifdown', 'wlan0']' returned non-zero exit status 1.