Fix empty component return in isolines

server/lib/python/cartodb_services/cartodb_services/here/routing.py

@@ -77,8 +77,12 @@ class HereMapsRoutingIsoline:
         isolines_response = parsed_response['response']['isoline']
         isolines = []
         for isoline in isolines_response:
+            if not isoline['component']:
+                geom_value = []
+            else:
+                geom_value = isoline['component'][0]['shape']
             isolines.append({'range': isoline['range'],
-                             'geom': isoline['component'][0]['shape']})
+                             'geom': geom_value})
 
         return isolines
 

server/lib/python/cartodb_services/cartodb_services/here/types.py

@@ -4,13 +4,18 @@ import plpy
 
 def geo_polyline_to_multipolygon(polyline):
     """Convert a HERE polyline shape to a PostGIS multipolygon"""
-    coordinates = []
+    # In case we receive an empty polyline from here and we don't want to
-    for point in polyline:
+    # change this kind of thing in the extension sql
-        lat, lon = point.split(',')
+    if not polyline:
-        coordinates.append("%s %s" % (lon, lat))
+        sql = "SELECT ST_MPolyFromText(NULL, 4326) as geom"
-    wkt_coordinates = ','.join(coordinates)
+    else:
+        coordinates = []
+        for point in polyline:
+            lat, lon = point.split(',')
+            coordinates.append("%s %s" % (lon, lat))
+        wkt_coordinates = ','.join(coordinates)
+
+        sql = "SELECT ST_MPolyFromText('MULTIPOLYGON((({0})))', 4326) as geom".format(wkt_coordinates)
 
-    sql = "SELECT ST_MPolyFromText('MULTIPOLYGON((({0})))', 4326) as geom".format(wkt_coordinates)
     geometry = plpy.execute(sql, 1)[0]['geom']
-
     return geometry

server/lib/python/cartodb_services/setup.py

@@ -10,7 +10,7 @@ from setuptools import setup, find_packages
 setup(
     name='cartodb_services',
 
-    version='0.7.0',
+    version='0.7.1',
 
     description='CartoDB Services API Python Library',