Upload tool

app.py

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

requirements.txt

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+googlemaps
+smolagents

tool.py

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+from smolagents import Tool
+from typing import Optional
+
+class SimpleTool(Tool):
+    name = "get_travel_duration"
+    description = "Gets the travel time between two places."
+    inputs = {"start_location":{"type":"string","description":"the place from which you start your ride"},"destination_location":{"type":"string","description":"the place of arrival"},"transportation_mode":{"type":"string","nullable":True,"description":"The transportation mode, in '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:
+        """Gets the travel time between two places.
+
+        Args:
+            start_location: the place from which you start your ride
+            destination_location: the place of arrival
+            transportation_mode: The transportation mode, in 'driving', 'walking', 'bicycling', or 'transit'. Defaults to 'driving'.
+        """
+        import os   # All imports are placed within the function, to allow for sharing to Hub.
+        import googlemaps
+        from datetime import datetime
+
+        gmaps = googlemaps.Client(os.getenv("GMAPS_API_KEY"))
+
+        if transportation_mode is None:
+            transportation_mode = "driving"
+        try:
+            directions_result = gmaps.directions(
+                start_location,
+                destination_location,
+                mode=transportation_mode,
+                departure_time=datetime(2025, 6, 6, 11, 0), # At 11, date far in the future
+            )
+            if len(directions_result) == 0:
+                return "No way found between these places with the required transportation mode."
+            return directions_result[0]["legs"][0]["duration"]["text"]
+        except Exception as e:
+            print(e)
+            return e