add geographic distance and estimated travel time calculator

Author: naylin-dev

Geographic Distance/geographic_distance.py

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+from geopy.distance import geodesic
+
+
+def calculate_distance_and_time(coord1, coord2, avg_speed):
+    """
+    Calculate the distance between two coordinates and estimate travel time.
+    :param coord1: Tuple containing the latitude and longitude of the first location (lat1, lon1)
+    :param coord2: Tuple containing the latitude and longitude of the second location (lat2, lon2)
+    :param avg_speed: Average speed in km/h for estimating travel time
+    :return: Distance in kilometers and estimated travel time in hours
+    """
+    if not (isinstance(coord1, tuple) and isinstance(coord2, tuple)):
+        raise ValueError("Coordinates must be in the format 'lat, lon'")
+
+    # Calculate geodesic distance
+    distance = geodesic(coord1, coord2).kilometers
+    # Estimate travel time (distance / speed)
+    if avg_speed > 0:
+        travel_time = distance / avg_speed
+    else:
+        raise ValueError("Average speed must be greater than 0.")
+    return distance, travel_time
+
+
+def main():
+    # Coordinates (latitude, longitude)
+    coord1 = input("Enter the latitude and longitude of the first location (lat1, lon1) Example: 40.7128, -74.006: ")
+    coord2 = input("Enter the latitude and longitude of the second location (lat2, lon2) Example: 37.7749, -122.4194: ")
+
+    # Speed in km/h (e.g., driving speed)
+    avg_speed = float(input("Enter the average speed in km/h Example: 60: "))
+
+    # Calculate the distance and travel time
+    distance, travel_time = calculate_distance_and_time(coord1, coord2, avg_speed)
+
+    print(f"Distance between the two coordinates: {distance:.2f} km")
+    print(f"Estimated travel time: {travel_time:.2f} hours")
+
+
+if __name__ == "__main__":
+    main()

Geographic Distance/requirements.txt

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+geopy==2.4.1
+pytest==8.3.3

Geographic Distance/runtime.txt

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+python-3.12.7

Geographic Distance/test_geographic_distance.py

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+import pytest
+from geographic_distance import calculate_distance_and_time
+
+
+def test_calculate_distance_and_time():
+    # Test with valid coordinates and speed
+    coord1 = (40.7128, -74.006)
+    coord2 = (37.7749, -122.4194)
+    avg_speed = 60
+    distance, travel_time = calculate_distance_and_time(coord1, coord2, avg_speed)
+    assert distance > 0
+    assert travel_time > 0
+
+
+def test_calculate_distance_and_time_invalid_speed():
+    # Test with invalid speed (zero)
+    coord1 = (40.7128, -74.006)
+    coord2 = (37.7749, -122.4194)
+    avg_speed = 0
+    with pytest.raises(ValueError):
+        calculate_distance_and_time(coord1, coord2, avg_speed)
+
+
+def test_calculate_distance_and_time_invalid_coordinates():
+    # Test with invalid coordinates (not tuples)
+    coord1 = "40.7128, -74.006"
+    coord2 = "37.7749, -122.4194"
+    avg_speed = 60
+    with pytest.raises(ValueError):
+        calculate_distance_and_time(coord1, coord2, avg_speed)
+
+
+def test_calculate_distance_and_time_same_coordinates():
+    # Test with same coordinates
+    coord1 = (40.7128, -74.006)
+    coord2 = (40.7128, -74.006)
+    avg_speed = 60
+    distance, travel_time = calculate_distance_and_time(coord1, coord2, avg_speed)
+    assert distance == 0
+    assert travel_time == 0