Create app.py

app.py

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+import gradio as gr
+import requests
+import os
+from groq import Groq
+
+# --- API Clients ---
+
+# 1. Setup Groq Client (AI)
+# It will look for the key in the Environment Variables
+api_key = os.environ.get("GROQ_API_KEY")
+
+# Initialize client only if key exists to prevent immediate crash
+client = Groq(api_key=api_key) if api_key else None
+
+# --- Core Logic Functions ---
+
+def get_coordinates(city_name):
+    """Fetch Lat/Lon for a city name."""
+    try:
+        url = f"https://geocoding-api.open-meteo.com/v1/search?name={city_name}&count=1&language=en&format=json"
+        response = requests.get(url)
+        data = response.json()
+        if "results" in data:
+            return data["results"][0]
+        return None
+    except:
+        return None
+
+def get_weather_data(lat, lon):
+    """Fetch current weather data."""
+    try:
+        url = f"https://api.open-meteo.com/v1/forecast?latitude={lat}&longitude={lon}&current=temperature_2m,relative_humidity_2m,weather_code,wind_speed_10m&timezone=auto"
+        response = requests.get(url)
+        return response.json()
+    except:
+        return None
+
+def generate_weather_report(city_name):
+    """
+    This is the main function called when the user clicks the button.
+    It combines Geocoding, Weather API, and Groq AI.
+    """
+    if not city_name:
+        return "Please enter a city name.", "", "", ""
+
+    # 1. Get Coordinates
+    location = get_coordinates(city_name)
+    if not location:
+        return f"Could not find city: {city_name}", "-", "-", "-"
+
+    # 2. Get Weather
+    weather = get_weather_data(location['latitude'], location['longitude'])
+    if not weather:
+        return "Error fetching weather data.", "-", "-", "-"
+
+    current = weather['current']
+    temp = f"{current['temperature_2m']} °C"
+    humidity = f"{current['relative_humidity_2m']} %"
+    wind = f"{current['wind_speed_10m']} km/h"
+
+    # 3. Get AI Summary using Groq
+    if not client:
+        ai_message = "⚠️ Groq API Key is missing. Please add it to Settings > Secrets."
+    else:
+        try:
+            prompt = f"""
+            The weather in {city_name} is:
+            Temperature: {temp}
+            Humidity: {humidity}
+            Wind Speed: {wind}
+            
+            Provide a witty, helpful weather summary for a visitor. (Max 50 words).
+            """
+            completion = client.chat.completions.create(
+                messages=[{"role": "user", "content": prompt}],
+                model="mixtral-8x7b-32768",
+            )
+            ai_message = completion.choices[0].message.content
+        except Exception as e:
+            ai_message = f"AI Error: {str(e)}"
+
+    return ai_message, temp, humidity, wind
+
+# --- UI Layout (Gradio Blocks) ---
+
+with gr.Blocks(theme=gr.themes.Soft()) as demo:
+    
+    # 1. Home / Header Section
+    gr.Markdown(
+        """
+        # ☁️ AI Weather Companion
+        Welcome! Enter a city below to get real-time weather stats and an AI-generated travel summary.
+        """
+    )
+    
+    # 2. City Selection Section
+    with gr.Row():
+        city_input = gr.Textbox(
+            label="Enter City Name", 
+            placeholder="e.g. Lahore, London, Tokyo",
+            scale=4
+        )
+        search_btn = gr.Button("Get Weather", variant="primary", scale=1)
+
+    # 3. Weather Info Section
+    gr.Markdown("### 📊 Current Conditions")
+    
+    with gr.Row():
+        out_temp = gr.Label(label="Temperature")
+        out_humid = gr.Label(label="Humidity")
+        out_wind = gr.Label(label="Wind Speed")
+
+    # 4. AI Summary Output
+    gr.Markdown("### 🤖 AI Weatherman Says:")
+    out_summary = gr.Markdown("Waiting for input...")
+
+    # Connect the Button to the Function
+    search_btn.click(
+        fn=generate_weather_report,
+        inputs=city_input,
+        outputs=[out_summary, out_temp, out_humid, out_wind]
+    )
+
+# Launch the app
+if __name__ == "__main__":
+    demo.launch()