Added QR Code generation tool

This tool is designed to take in textual data or URLs from the user and generate and return a QR Code.

app.py

@@ -1,5 +1,8 @@
 from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
 import datetime
+import os
+import qrcode
+import base64
 import requests
 import pytz
 import yaml
@@ -9,14 +12,35 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def my_custom_tool(text:str, size:int = 200)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+    """A tool that generates a QR Code for taxt or URLs
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        text: The text or the URL to make into a QR Code
+        size: Size in pixels (200 by default)
     """
-    return "What magic will you build ?"
+
+    try:
+        qr = qrcode.QRCode(version=1, box_size=size//25, border=4)
+        qr.add_data(text)
+        qr.make(fit=True)
+
+        img = qr.make_image(fill_color="black", back_color="white")
+        
+        # Convert to base64 for display
+        buffer = io.BytesIO()
+        img.save(buffer, format='PNG')
+        img_str = base64.b64encode(buffer.getvalue()).decode()
+        
+        # Also save file
+        filename = f"qr_code_{len(text)}chars.png"
+        img.save(filename)
+        
+        return f"QR code generated for: {text[:50]}...\nSaved as: {filename}\n\n![QR Code](data:image/png;base64,{img_str})"
+
+    except Exception as e:
+        return f"Error: {str(e)}"
+    #return "What magic will you build ?"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: