Create app.py

app.py

@@ -0,0 +1,59 @@
+import streamlit as st
+import pandas as pd
+import tariff_scraper
+
+# UI Components
+def main():
+    st.sidebar.title("Electricity Tariff App")
+    st.sidebar.header("Navigation")
+
+    # Button to Fetch Tariff Data
+    if st.sidebar.button("Fetch Tariff Data"):
+        url = "https://iesco.com.pk/index.php/customer-services/tariff-guide"
+        try:
+            tariff_data = tariff_scraper.fetch_tariff_data(url)
+            tariff_scraper.save_tariff_data(tariff_data, "tariff_data.xlsx")
+            st.success("Tariff data fetched and saved successfully!")
+        except Exception as e:
+            st.error(f"Error: {e}")
+
+    # Dropdown for Load Type
+    tariff_data_file = "tariff_data.xlsx"
+    if st.sidebar.button("Load Tariff Data"):
+        try:
+            tariffs = pd.ExcelFile(tariff_data_file)
+            sections = tariffs.sheet_names
+            selected_section = st.sidebar.selectbox("Select Tariff Section", sections)
+
+            df = tariffs.parse(selected_section)
+            st.write(f"### {selected_section}")
+            st.dataframe(df)
+        except Exception as e:
+            st.error(f"Error: {e}")
+
+    st.header("Electricity Bill Calculator")
+    appliances = []
+
+    # Appliance Input Section
+    col1, col2, col3 = st.columns(3)
+    with col1:
+        appliance_name = st.text_input("Appliance Name")
+    with col2:
+        appliance_count = st.number_input("Number of Appliances", min_value=1, step=1)
+    with col3:
+        usage_hours = st.number_input("Usage Hours per Day", min_value=0.0, step=0.5)
+
+    if st.button("Add Appliance"):
+        appliances.append((appliance_name, appliance_count, usage_hours))
+        st.write(f"Added {appliance_name}: {appliance_count} appliances used {usage_hours} hours/day.")
+
+    # Calculate Bill
+    if st.button("Calculate Bill"):
+        if not appliances:
+            st.error("Please add appliances before calculating.")
+        else:
+            total_units = sum(appliance_count * usage_hours * 30 for _, appliance_count, usage_hours in appliances)
+            st.write(f"Total Units Consumed: {total_units} kWh")
+
+if __name__ == "__main__":
+    main()