fixed flaky wifi check

travelInfo.py

@@ -29,29 +29,31 @@ def get_api_db():
 # Request data from travelynx
 def get_api_tl():
     global tripDataTl
-    tripDataTl_response = requests.get("https://travelynx.de/api/v1/status/[YOUR API TOKEN", timeout=5)
+    tripDataTl_response = requests.get("https://travelynx.de/api/v1/status/[YOUR API TOKEN]", timeout=5)
     tripDataTl = tripDataTl_response.json() 
 
 
 # Look for the current SSID. Replace wlp2s0 with the real name of your wifi interface and check, that the path to iwlist is correct (just type 'which iwlist' in the terminal)
 def get_ssid():
-
-    scanoutput = check_output(["/usr/sbin/iwlist", "wlp2s0", "scan"])
+    try:
+        output = check_output(['/usr/sbin/iwgetid']).decode('utf-8')
+        ssid=output.split('"')[1]
+        return ssid
+    except:
+        pass
     
-    for line in scanoutput.split():
-      line = line.decode("utf-8")
-      if line[:5]  == "ESSID":
-        ssid = line.split('"')[1]
-    return ssid
 
 # Get Speed from ICE-Portal
 def get_speed_db():
-    if statusData["speed"]==None:
-        return "No Speed"
-    else:
+    try:
         speed= str(statusData["speed"])
+        if speed==None:
+            speed="No Speed"
         return speed
 
+    except:
+        return "No Speed"
+
 # Figure out, whats the next station and filter the output for this. 
 def get_next_db():
     if tripData["trip"]["stopInfo"] == None :
@@ -78,6 +80,11 @@ def get_next_tl():
             arrivalDelay="{:+.0f}".format(((uActualTime-uScheduledTime)/60))
             arrivalTime = datetime.fromtimestamp(uActualTime, tz=timezone).strftime('%H:%M')
             break
+        else:
+            nextStationName=tripDataTl['toStation']['name']
+            arrivalTime=None
+            arrivalDelay=None
+            break
     tripinfo = nextStationName+" "+arrivalTime+" ("+arrivalDelay+")"
     #tripinfo = nextStationName+" "+ arrivalTime+" ("+ arrivalDelay+") @ "+ nextStationTrack
     return tripinfo