some refactoring

main.py

@@ -7,9 +7,10 @@ from bokeh.layouts import column
 from bokeh.palettes import brewer
 from bokeh.plotting import figure, curdoc
 from bokeh.models import GeoJSONDataSource, Button, HoverTool, LinearColorMapper, LabelSet, ColumnDataSource
-from bokeh.tile_providers import get_provider #, Vendors
+from bokeh.tile_providers import get_provider
 from bokeh.transform import factor_cmap
 import time
+import urllib
 
 def lonlattowebmercator(df, lon="LON", lat="LAT"):
     k = 6378137
@@ -20,8 +21,9 @@ def lonlattowebmercator(df, lon="LON", lat="LAT"):
 def getPositions():
     ## Get the live locations of the vehicles
     feed = gtfs_realtime_pb2.FeedMessage()
-    response = requests.get('http://gtfs.ovapi.nl/nl/vehiclePositions.pb')
+    response = requests.get('https://gtfs.ovapi.nl/nl/vehiclePositions.pb')
     feed.ParseFromString(response.content)
+    print(feed)
     vehicle_positions = []
 
     for entity in feed.entity:
@@ -39,7 +41,6 @@ def update():
     ## Merge tables
     df = df_vehiclePositions.merge(df_routes, on="route_id", how="right")
     df = df[(df["route_type"]==1) | (df["route_type"]==2) | (df["route_type"]==3)]
-    print(df["longitude"])
     Source.stream(df, rollover=len(df["longitude"]))
     labels = LabelSet(x='x',y='y',x_offset=5,y_offset=5,source=Source,render_mode='canvas')
    
@@ -64,5 +65,5 @@ p.add_tools(my_hover)
 
 p.circle('x', 'y', source=Source)
 curdoc().add_root(p)
-curdoc().add_periodic_callback(update,1000)
+curdoc().add_periodic_callback(update,5000)
 p.legend.location = "top_left"