Update app.py

Added scenic route option to Google route feature

app.py

@@ -53,7 +53,7 @@ GOOGLE_KEY=os.getenv('GOOGLE_KEY')
 #              'docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'}
 
 @function_tool
-async def google_route(loc1: str, loc2: str, prefer_public: bool):
+async def google_route(loc1: str, loc2: str, prefer_public: bool, scenic_route: bool):
     '''Uses Google Maps API to obtain a route plan overview, and distance in miles and duration
     for a travel leg between two addresses.
 
@@ -61,6 +61,7 @@ async def google_route(loc1: str, loc2: str, prefer_public: bool):
         loc1: text of the starting point address
         loc2: text of the destination point address
         prefer_public: boolean should be false unless user desired public transportation
+        scenic_route: boolean should be false unless user desired scenic or slow route
 
     Returns:
         a tuple of (distance, duration, overview of the route plan)
@@ -82,6 +83,9 @@ async def google_route(loc1: str, loc2: str, prefer_public: bool):
     if prefer_public:
         modes.reverse()
     for travel_mode in modes:
+        get_alternates = False
+        if travel_mode == 'DRIVE' and scenic_route == True:
+            get_alternates = True
         json_data = {
             'origin': {
                 'address': f'{loc1}',
@@ -91,7 +95,7 @@ async def google_route(loc1: str, loc2: str, prefer_public: bool):
                 },
             'travelMode': travel_mode,
             # 'routingPreference': 'TRAFFIC_AWARE',
-            'computeAlternativeRoutes': False,
+            'computeAlternativeRoutes': get_alternates,
             'routeModifiers': {
                 'avoidTolls': False,
                 'avoidHighways': False,
@@ -105,7 +109,15 @@ async def google_route(loc1: str, loc2: str, prefer_public: bool):
                             headers=headers, json=json_data)
         content = json.loads(response.content)
         if routes := content.get('routes'):
-            if legs := routes[0].get('legs'):
+            route_chosen = 0
+            if get_alternates and len(routes) > 1:
+                max_distance = 0
+                for route_num in range(len(routes)):
+                    if dist_meters := routes[route_num].get('distanceMeters'):
+                        if dist_meters > max_distance:
+                            max_distance = dist_meters
+                            route_chosen = route_num
+            if legs := routes[route_chosen].get('legs'):
                 leg = legs[0]
                 if loc_vals := leg.get('localizedValues'):
                     distance = loc_vals.get('distance','unknown')
@@ -560,7 +572,8 @@ def show_help():
         Better  results are obtained by including detailed descriptions and instructions
             of what you want in the prompt.
         For Google route planning, specify each leg's start/end addresses, and list them
-            separately if multiple legs are involved.
+            separately if multiple legs are involved.  Also, if you want a scenic route or
+            favor public transportation, say so.
         Start a new session whenever memory of previous inputs and responses is no longer
             needed as context.  The agent can only remember so much.
     '''