From 03c802da9cafee3974515a1de2d7e7215ed296c2 Mon Sep 17 00:00:00 2001
From: Jakirhusain123 <ssabeemasatu16@gmail.com>
Date: Mon, 6 Oct 2025 13:30:34 +0530
Subject: [PATCH] Add QR code generator utility script

---
 100lines Generator/Qr/qr_generator.py | 89 +++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 100lines Generator/Qr/qr_generator.py

diff --git a/100lines Generator/Qr/qr_generator.py b/100lines Generator/Qr/qr_generator.py
new file mode 100644
index 00000000..8e9ef423
--- /dev/null
+++ b/100lines Generator/Qr/qr_generator.py	
@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+"""
+QR Code Generator Utility
+
+Generates a QR code from user-defined data and saves it as a PNG file
+in the user's Downloads folder.
+
+Dependencies:
+    pip install qrcode[pil]
+
+Usage:
+    python qr_generator.py
+"""
+
+import os
+import sys
+from datetime import datetime
+try:
+    import qrcode:
+except ImportError:
+    print("Module 'qrcode' not found. Please install it with: pip install qrcode[pil]")
+    sys.exit(1)
+
+
+def get_downloads_folder():
+    """Return the path to the user's Downloads folder in a cross-platform way."""
+    if sys.platform.startswith('win'):
+        import ctypes.wintypes
+
+        # SHGetKnownFolderPath constants
+        CSIDL_PERSONAL = 0x0005  # My Documents
+        SHGFP_TYPE_CURRENT = 0
+        try:
+            from ctypes import windll, create_unicode_buffer
+
+            buf = create_unicode_buffer(260)
+            # 0x000c is CSIDL for Downloads folder (CSIDL_DOWNLOADS)
+            # Windows Vista and later supports KnownFolder API better but fallback here
+            # For simplicity, try the environment variable fallback below instead
+
+            # If this method is unreliable, fallback to env var:
+            downloads = os.path.join(os.environ['USERPROFILE'], 'Downloads')
+            if os.path.exists(downloads):
+                return downloads
+        except Exception:
+            pass
+        # fallback
+        return os.path.join(os.path.expanduser('~'), 'Downloads')
+
+    else:
+        # macOS and Linux generally have ~/Downloads
+        return os.path.join(os.path.expanduser('~'), 'Downloads')
+
+
+def main():
+    print("=== QR Code Generator Utility ===")
+    data = input("Enter the data to encode in the QR code: ").strip()
+
+    if not data:
+        print("No data entered. Exiting.")
+        return
+
+    downloads_path = get_downloads_folder()
+    if not os.path.exists(downloads_path):
+        print(f"Downloads folder not found at expected location: {downloads_path}")
+        print("Saving in current directory instead.")
+        downloads_path = os.getcwd()
+
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    filename = f"qr_code_{timestamp}.png"
+    filepath = os.path.join(downloads_path, filename)
+
+    qr = qrcode.QRCode(
+        version=1,
+        error_correction=qrcode.constants.ERROR_CORRECT_L,
+        box_size=10,
+        border=4,
+    )
+    qr.add_data(data)
+    qr.make(fit=True)
+
+    img = qr.make_image(fill_color="black", back_color="white")
+    img.save(filepath)
+
+    print(f"QR code saved to: {filepath}")
+
+
+if __name__ == "__main__":
+    main()