Upload tool

app.py

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+from smolagents import launch_gradio_demo
+from tool import SimpleTool
+
+tool = SimpleTool()
+
+launch_gradio_demo(tool)

requirements.txt

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+geopy
+osmnx
+smolagents

tool.py

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+from smolagents import Tool
+from typing import Any, Optional
+
+class SimpleTool(Tool):
+    name = "calculate_journey_metrics"
+    description = "Calculates comprehensive journey metrics including distance and time using OpenStreetMap."
+    inputs = {"start_location":{"type":"string","description":"The starting point of the journey."},"destination_location":{"type":"string","description":"The endpoint of the journey."},"transportation_mode":{"type":"string","nullable":True,"description":"Mode of transport ('driving', 'walking', 'bicycling', or 'transit'). Defaults to 'driving'."}}
+    output_type = "string"
+
+    def forward(self, start_location: str, destination_location: str, transportation_mode: Optional[str] = None) -> str:
+        """Calculates comprehensive journey metrics including distance and time using OpenStreetMap.
+
+        Args:
+            start_location: The starting point of the journey.
+            destination_location: The endpoint of the journey.
+            transportation_mode: Mode of transport ('driving', 'walking', 'bicycling', or 'transit'). 
+                               Defaults to 'driving'.
+
+        Returns:
+            str: A detailed description of the journey including distance and time.
+        """
+        import osmnx as ox
+        from geopy.distance import geodesic
+
+        try:
+            # Get coordinates
+            start_coords = ox.geocode(start_location)
+            end_coords = ox.geocode(destination_location)
+
+            # Calculate straight-line distance
+            distance_km = geodesic(start_coords, end_coords).kilometers
+
+            # Define speeds (km/h)
+            speeds = {
+                'driving': 60,
+                'walking': 5,
+                'bicycling': 15,
+                'transit': 25
+            }
+
+            # Get speed for mode
+            speed = speeds.get(transportation_mode, speeds['driving'])
+
+            # Calculate time
+            hours = distance_km / speed
+            minutes = hours * 60
+
+            # Format response based on time
+            if minutes < 60:
+                time_str = f"{int(minutes)} minutes"
+            elif hours < 24:
+                hrs = int(hours)
+                mins = int((hours - hrs) * 60)
+                time_str = f"{hrs} hours and {mins} minutes"
+            else:
+                days = hours / 24
+                time_str = f"{days:.1f} days"
+
+            response = (
+                f"Journey metrics:\n"
+                f"Distance: {distance_km:.1f} kilometers\n"
+                f"Estimated time: {time_str}\n"
+                f"Mode: {transportation_mode or 'driving'}"
+            )
+
+            return response
+
+        except Exception as e:
+            return f"Error calculating journey metrics: {str(e)}"