Create main_app.py

main_app.py

@@ -0,0 +1,68 @@
+import streamlit as st
+from tariff_scraper import scrape_tariff_data
+
+def main():
+    st.title("Electricity Bill Calculator with Tariff Scraper")
+    st.sidebar.subheader("Tariff Data Scraper")
+
+    # Tariff Scraper Section
+    st.sidebar.write("Enter the URL of the electricity tariff page:")
+    url = st.sidebar.text_input("Tariff URL", "https://iesco.com.pk/index.php/customer-services/tariff-guide")
+    
+    if st.sidebar.button("Scrape Tariff Data"):
+        if url:
+            with st.spinner("Scraping data..."):
+                data = scrape_tariff_data(url)
+                if isinstance(data, list):
+                    st.success("Tariff data fetched successfully!")
+                    st.write("### Scraped Tariff Data")
+                    for row in data[:10]:  # Display first 10 rows
+                        st.write(row)
+                else:
+                    st.error(data)
+        else:
+            st.sidebar.error("Please provide a valid URL.")
+
+    # Electricity Bill Calculator Section
+    st.write("## Electricity Bill Calculator")
+    st.sidebar.subheader("Appliance Usage")
+    
+    appliances = {
+        "Fan": 75, "Air Conditioner (1 Ton)": 1500, "Refrigerator": 150,
+        "LED Bulb (20W)": 20, "Iron": 1000, "Microwave Oven": 1200
+    }
+    tariff_rate = st.sidebar.number_input("Tariff Rate (PKR/unit)", min_value=0.0, value=20.0)
+    appliance = st.sidebar.selectbox("Select Appliance", options=list(appliances.keys()))
+    quantity = st.sidebar.number_input("Quantity", min_value=1, value=1)
+    usage_hours = st.sidebar.number_input("Usage Hours/Day", min_value=1.0, value=6.0)
+    
+    if st.sidebar.button("Add Appliance"):
+        st.session_state.setdefault("appliances", []).append({
+            "appliance": appliance,
+            "load": appliances[appliance],
+            "quantity": quantity,
+            "usage_hours": usage_hours
+        })
+        st.sidebar.success(f"{quantity} x {appliance} added.")
+
+    # Display Appliances
+    st.write("### Selected Appliances")
+    if "appliances" in st.session_state:
+        for app in st.session_state["appliances"]:
+            st.write(f"{app['quantity']} x {app['appliance']} ({app['usage_hours']} hours/day)")
+    else:
+        st.write("No appliances added yet.")
+
+    # Calculate and Display Bill
+    if st.button("Calculate Bill"):
+        if "appliances" in st.session_state:
+            total_units = sum(
+                app["quantity"] * app["load"] * app["usage_hours"] / 1000 for app in st.session_state["appliances"]
+            )
+            bill = total_units * 30 * tariff_rate
+            st.success(f"Estimated Monthly Bill: PKR {bill:.2f}")
+        else:
+            st.warning("No appliances added for calculation.")
+
+if __name__ == "__main__":
+    main()