QR Code Generator

😫 The Pain Point

You need 1,000 QR stickers for your product inventory. Each QR leads to myshop.com/product/{id}. Generating them one by one online is slow.

🚀 Agentic Solution

A Batch QR Generator that reads your product list and outputs branded QR images.

Key Features:

• Logo Embed: Put your brand logo in the center.
• High Resolution: 1000x1000px suitable for printing.
• Batch Mode: Generate from Excel data.

⚔️ Phase 1: Commander (Quick Fix)

For a quick batch.

Prompt:

“I have an Excel products.xlsx with columns ‘Product_ID’ and ‘URL’. Write a Python script using qrcode and Pillow to:

1. Generate: QR code for each URL.
2. Logo: Embed ‘logo.png’ in the center (optional).
3. Size: 500x500 pixels.
4. Error Correction: High (to survive logo obstruction).
5. Output: Save as qr_codes/{Product_ID}.png.

Print progress.”

Result: Branded QR codes for all products.

🏗️ Phase 2: Architect (Permanent Tool)

Engineering Prompt:

**Role:** Python Tool Developer
**Task:** Create a "Batch QR Code Generator".

**Requirements:**
1.  **GUI:**
    *   Select Excel data source.
    *   Column dropdowns for Content and Filename.
    *   Logo file picker (optional).
    *   Size slider.
    *   Color pickers (foreground/background).
    *   Progress bar.

2.  **Logic:**
    *   Use qrcode with error_correction=H.
    *   Paste logo at center.
    *   Handle large batches efficiently.

3.  **Deliverables:**
    *   `qr_gen.py`
    *   `run.bat`, `run.sh`
    *   `requirements.txt`

🧠 Prompt Decoding

• Error Correction H: High level allows 30% of QR to be covered (by logo) and still be scannable.

🛠️ Instructions

1. Install: pip install qrcode pillow pandas
2. Copy Prompt → Run.