added files

calc_fast_api.py

@@ -0,0 +1,40 @@
+from fastapi import FastAPI, HTTPException
+from pydantic import BaseModel
+from enum import Enum
+
+# Initialize the FastAPI app
+app = FastAPI()
+
+# Define allowed operations using Enum for better validation
+class Operation(str, Enum):
+    add = "+"
+    subtract = "-"
+    multiply = "*"
+    divide = "/"
+
+# Define the request model for the calculator
+class CalculationRequest(BaseModel):
+    operation: Operation  # Operation can be '+', '-', '*', '/'
+    num1: float
+    num2: float
+
+# Calculator logic function
+def calculate(operation: str, num1: float, num2: float):
+    if operation == '+':
+        return num1 + num2
+    elif operation == '-':
+        return num1 - num2
+    elif operation == '*':
+        return num1 * num2
+    elif operation == '/':
+        if num2 == 0:
+            raise HTTPException(status_code=400, detail="Division by zero is not allowed")
+        return num1 / num2
+    else:
+        raise HTTPException(status_code=400, detail="Invalid operation")
+
+# Define the POST endpoint for calculations
+@app.post("/calculate")
+def perform_calculation(request: CalculationRequest):
+    result = calculate(request.operation, request.num1, request.num2)
+    return {"result": result}

gradio_calc.py

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+import gradio as gr
+import requests
+
+# Define the predict function that communicates with the FastAPI backend
+def predict(num1, num2, operation):
+    # API request to FastAPI backend
+    response = requests.post("http://127.0.0.1:8000/calculate", 
+                             json={"operation": operation, "num1": num1, "num2": num2})
+    
+    if response.status_code == 200:
+        response_data = response.json()
+        return response_data['result']
+    elif (response.json())['detail'] == "Division by zero is not allowed":
+        return "Error: Division by zero is not allowed"
+    else:
+        return "Error: Unable to connect to the FastAPI backend."
+
+# Gradio Interface
+demo = gr.Interface(
+    fn=predict,
+    inputs=[gr.Number(label="Number 1"), gr.Number(label="Number 2"), 
+            gr.Dropdown(choices=["+", "-", "*", "/"], label="Operation")],
+    outputs=gr.Textbox(label="Result"),
+    title="Simple Calculator",
+    allow_flagging="never"
+)
+
+# Launch the Gradio interface
+demo.launch(share=True)