Create app.py

app.py

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+!pip install gradio --quiet
+import gradio as gr
+
+# Simple simulation model for EV trip energy use
+def estimate_energy(distance_km, elevation_m, avg_speed, temp_c):
+    base_kwh_per_km = 0.18                               # typical EV consumption
+    speed_penalty = 0.001 * (avg_speed - 70)            # penalty per km/h above 70
+    temp_penalty = 0.002 * abs(temp_c - 20)             # penalty per °C deviation
+    elevation_penalty = elevation_m * 0.00002           # kWh per meter of climb
+
+    kwh = distance_km * (base_kwh_per_km + speed_penalty + temp_penalty)
+    kwh += elevation_penalty
+    return round(max(kwh, 0.1), 2)
+
+def range_safe(available_kWh, reserve_kWh, distance_km, elevation_m, avg_speed, temp_c):
+    needed_kWh = estimate_energy(distance_km, elevation_m, avg_speed, temp_c)
+
+    # safety check
+    margin = available_kWh - reserve_kWh - needed_kWh
+
+    if margin >= 5:
+        status = "SAFE TO PROCEED"
+        confidence = "High confidence"
+        bar = "🟩🟩🟩"
+    elif margin >= 0:
+        status = "MARGINALLY SAFE"
+        confidence = "Medium confidence"
+        bar = "🟨🟨⬜"
+    else:
+        status = "CHARGING REQUIRED"
+        confidence = "Low confidence"
+        bar = "🟥⬜⬜"
+
+    explanation = (
+        f"Trip requires {needed_kWh} kWh. "
+        f"You have {available_kWh} kWh available with {reserve_kWh} kWh reserved.\n"
+        f"Energy margin: {round(margin,2)} kWh.\n"
+        f"Confidence level: {confidence}  {bar}"
+    )
+
+    return f"{status}\n\n{explanation}"
+
+demo = gr.Interface(
+    fn=range_safe,
+    inputs=[
+        gr.Number(label="Available Battery (kWh)", value=50),
+        gr.Number(label="Reserve to Keep (kWh)", value=10),
+        gr.Number(label="Distance (km)", value=120),
+        gr.Number(label="Elevation Gain (m)", value=300),
+        gr.Number(label="Average Speed (km/h)", value=80),
+        gr.Number(label="Temperature (°C)", value=15),
+    ],
+    outputs="text",
+    title="Enhanced Range Safe Mode Prototype",
+    description="Multi-factor range safety calculator simulating realistic EV behavior.",
+)
+
+demo.launch()