working...

fuswim

 #!/usr/bin/env python3
-import iwlist
 import iw_parse
+from pprint import pprint
+import psutil
+import sys
+from shell_cmd import sh
 
 try:
    from setproctitle import setproctitle
 
    setproctitle("fuswim")
+except:
+   pass
+
+boot=False
+auto=False
+
+
+def kill_proc(name, ops=False):
+   for process in psutil.process_iter():
+      if process.name() == name:
+         if ops:
+            if ops in process.cmdline():
+               process.kill()
+         else:
+            process.kill()
+
+def start_wpa(interface):
+   kill_proc("dhclient", interface)
+   kill_proc("wpa_supplicant", interface)
+   sh("/sbin/wpa_supplicant -s -B -P /run/wpa_supplicant."+interface+".pid -i wlan0 -D nl80211,wext -C /run/wpa_supplicant")
+
+if len(sys.argv) > 1 and sys.argv[1] == 'boot':
+   print(' * fuswim starts... ')
+   boot=True
+   auto=True
+
+if len(sys.argv) > 1 and sys.argv[1] == 'auto':
+   auto=True
+
+interface = "wlan0"
+if sys.argv[-1] not in ['auto','boot',sys.argv[0]]:
+   interface = sys.argv[-1]
+
+if not interface in psutil.net_if_stats().keys():
+   print("Interface "+interface+" doesn't exists. Exiting...")
+   sys.exit(1)
+
+
+# check for wpa_supplicant
+wpas = False
+for process in psutil.process_iter():
+   if process.name() == 'wpa_supplicant':
+      if interface in process.cmdline():
+         wpas = True
+if not wpas:
+   if auto not boot:
+      print("wpa_supplicant for "+interface+" not running, launch it... ")
+      start_wpa(interface)
+   else:
+      print("wpa_supplicant for "+interface+" not running, exiting... ")
+      sys.exit(1)
+else:
+   if psutil.net_if_stats()[interface].isup:
+      if boot:
+         print("wpa_supplicant for "+interface+" already configured, exiting... ")
+         sys.exit(0)
+      else:
+         print("wpa_supplicant for "+interface+" already configured, reconfiguring it")
+         start_wpa(interface)
+   else:
+      print("wpa_supplicant for "+interface+" already configured, reconfiguring it")
+      start_wpa(interface)
 
-from pprint import pprint
 
-netw = iw_parse.get_interfaces(interface="wlan0")
-pprint(netw)
+# detect all networks...
+#netw = iw_parse.get_interfaces(interface="wlan0")
+#pprint(netw)
 
-#networks = iwlist.parse(iwlist.scan('wlan0'))
-#pprint(networks)