Create app.py

app.py

@@ -0,0 +1,54 @@
+import gradio as gr
+
+def cmda_redevelopment_calculator(uds, num_owners, guideline_value, construction_cost, current_area):
+    # Calculations
+    normal_fsi_area = 2.0 * uds
+    premium_fsi_area = 2.8 * uds
+    extra_area = 0.8 * uds  # This is the part that needs premium FSI
+
+    # Premium FSI charges
+    premium_fsi_charge = 0.4 * guideline_value * extra_area
+
+    # Total construction cost (for full 2.8x UDS build)
+    total_construction_cost = premium_fsi_area * construction_cost
+
+    # Area per owner (equal split)
+    area_per_owner = premium_fsi_area / num_owners
+    uds_per_owner = uds / num_owners
+    current_area_per_owner = current_area / num_owners
+
+    # Benefit per owner
+    area_gain_per_owner = area_per_owner - current_area_per_owner
+
+    return {
+        "Normal FSI Buildable Area (2.0 x UDS)": f"{normal_fsi_area:.2f} sq.ft",
+        "Max Buildable Area with Premium FSI (2.8 x UDS)": f"{premium_fsi_area:.2f} sq.ft",
+        "Extra Area via Premium FSI (0.8 x UDS)": f"{extra_area:.2f} sq.ft",
+        "Premium FSI Charges": f"₹ {premium_fsi_charge:,.2f}",
+        "Total Construction Cost (at 2.8 x UDS)": f"₹ {total_construction_cost:,.2f}",
+        "Built-up Area per Owner": f"{area_per_owner:.2f} sq.ft",
+        "Current Area per Owner": f"{current_area_per_owner:.2f} sq.ft",
+        "Net Area Gain per Owner": f"{area_gain_per_owner:.2f} sq.ft"
+    }
+
+# Gradio interface
+inputs = [
+    gr.Number(label="Current UDS (in sq.ft)", value=450),
+    gr.Number(label="Number of Owners", value=4),
+    gr.Number(label="Guideline Value (₹/sq.ft)", value=5000),
+    gr.Number(label="Construction Cost (₹/sq.ft)", value=3500),
+    gr.Number(label="Current Total Area (in sq.ft)", value=1800)
+]
+
+outputs = gr.JSON(label="CMDA Redevelopment Report")
+
+app = gr.Interface(
+    fn=cmda_redevelopment_calculator,
+    inputs=inputs,
+    outputs=outputs,
+    title="CMDA Redevelopment Calculator (Equal Share Model)",
+    description="This calculator estimates redevelopment potential based on UDS, FSI rules, and premium FSI charges. Assumes equal area distribution among owners."
+)
+
+if __name__ == "__main__":
+    app.launch()