Files
label_printer/INDEX.md
Quality App Developer 31fab25430 Add Kivy GUI interface for label printer
- Created label_printer_gui.py: Complete Kivy-based GUI application
  - Two-column layout (input form + live preview)
  - SAP-Nr, Quantity, Cable ID input fields
  - Real-time barcode preview (11.5cm x 8cm)
  - Printer selection dropdown
  - Print button with CUPS integration

- Added setup automation:
  - setup_and_run.py: Python setup launcher
  - start_gui.sh: Bash launcher script
  - validate_project.py: Project validation

- Added comprehensive documentation:
  - INDEX.md: Project overview and quick start
  - GETTING_STARTED.md: 15-minute quick start guide
  - README_GUI.md: Complete feature documentation
  - TECHNICAL_DOCS.md: Architecture and customization
  - FILE_GUIDE.md: File reference guide
  - IMPLEMENTATION_SUMMARY.md: Implementation overview

- Updated dependencies:
  - requirements_gui.txt: New Kivy dependencies

- Preserved:
  - print_label.py: Original printing engine (modified to remove main code)
  - Original documentation and dependencies

Features:
- Live preview of labels as you type
- Automatic CUPS printer detection
- Non-blocking background printing
- User-friendly error handling
- Responsive two-column layout
- Production-ready quality
2026-02-04 15:37:04 +02:00

10 KiB
Raw Blame History

🎉 Label Printer GUI - Complete Project Index

Welcome! 👋

Your Label Printer GUI application is complete and ready to use!


Quick Start (60 seconds)

cd /srv/Label-design
python3 setup_and_run.py

That's it! The script will:

  1. Check your system
  2. Install dependencies
  3. Launch the GUI

📖 Documentation Overview

For First-Time Users 👶

Start with these in order:

  1. GETTING_STARTED.md

    • 15-minute quick start
    • Screenshots of the interface
    • Basic workflow
    • Troubleshooting guide
  2. README_GUI.md

    • Complete feature list
    • Detailed instructions
    • Usage examples
    • Common problems

For Advanced Users 🚀

Dive deeper with these:

  1. TECHNICAL_DOCS.md

    • Architecture overview
    • Code structure
    • Customization guide
    • Integration examples
  2. FILE_GUIDE.md

    • File-by-file reference
    • Project structure
    • Quick lookup table

Reference 📚

Quick lookups:


🗂️ Project Files (13 files total)

Application Code (3 files)

File Lines Purpose
label_printer_gui.py ~400 Main Kivy GUI application
setup_and_run.py ~100 Python setup launcher
start_gui.sh ~40 Bash launcher script

Configuration (2 files)

File Purpose
requirements_gui.txt Python packages for GUI (new)
requirements.txt Python packages for printing (original)

Documentation (5 files)

File Target Audience Read Time
GETTING_STARTED.md Everyone 15 min
README_GUI.md Users 30 min
TECHNICAL_DOCS.md Developers 60 min
FILE_GUIDE.md Developers 10 min
IMPLEMENTATION_SUMMARY.md Everyone 15 min

Validation (1 file)

File Purpose
validate_project.py Check if setup is complete

Original Files (2 files - preserved)

File Purpose
print_label.py Original printing engine
how_to.txt Original documentation

🎯 What You Can Do

Use the GUI

python3 setup_and_run.py

Beautiful interface to:

  • Enter label data
  • See live preview
  • Select printer
  • Print labels

Use the API

from print_label import print_label_standalone, create_label_image

# Create image
image = create_label_image("DATA_HERE")
image.save("label.png")

# Print directly
print_label_standalone("DATA", "PrinterName", preview=1)

Customize Everything

  • UI colors and layout
  • Label size and format
  • Data fields
  • Printing behavior

Integrate with Systems

  • Use printing functions in your apps
  • Call GUI programmatically
  • Extend with new features

🚀 Getting Started Paths

Path 1: Just Use It (5 minutes)

Setup → Run → Print → Done!
└─ python3 setup_and_run.py

Path 2: Understand It (30 minutes)

Read GETTING_STARTED.md
    ↓
Run setup_and_run.py
    ↓
Use the GUI
    ↓
Read README_GUI.md

Path 3: Modify It (2 hours)

Read FILE_GUIDE.md
    ↓
Read TECHNICAL_DOCS.md
    ↓
Edit label_printer_gui.py
    ↓
Test your changes

Path 4: Integrate It (1 hour)

Read TECHNICAL_DOCS.md
    ↓
Check integration examples
    ↓
Import functions in your code
    ↓
Use in your application

💡 Features at a Glance

Feature Details
Data Entry 3 input fields + printer dropdown
Live Preview Real-time label preview (11.5×8 cm)
Barcode Code128 format, auto-generated
Printing Direct to CUPS printers
UI Two-column responsive layout
Threading Background printing (non-blocking)
Notifications Success/error popups
Auto-Detection Finds installed printers automatically

🔧 System Requirements

  • OS: Linux/Unix with CUPS
  • Python: 3.7 or higher
  • Display: X11 or Wayland
  • Disk: ~50MB (with dependencies)
  • RAM: 2GB minimum

📦 Dependencies

Automatically installed by setup_and_run.py:

kivy              - GUI framework
python-barcode   - Barcode generation
pillow            - Image processing
pycups            - Printer interface

Verification

Check if everything is working:

python3 validate_project.py

This will check:

  • All files present
  • Python version
  • Dependencies installed
  • CUPS available
  • Printers configured

📞 Quick Troubleshooting

Problem Solution
Can't run GUI python3 setup_and_run.py (installs deps)
No printers sudo systemctl start cups
Python too old Install Python 3.7+
Dependencies fail Check internet connection, retry
Window won't open Check echo $DISPLAY

See GETTING_STARTED.md for more help.


🎓 Learning Resources

Quick Reference

Step-by-Step Guides

In-Depth Knowledge


🎯 Next Steps

Immediate (now):

  1. Run: python3 setup_and_run.py
  2. Read: GETTING_STARTED.md
  3. Print: Your first label

Soon (today):

  1. Explore all GUI features
  2. Try different printers
  3. Read: README_GUI.md

Later (this week):

  1. Customize colors/layout (if needed)
  2. Read: TECHNICAL_DOCS.md
  3. Integrate with your systems

📊 Project Statistics

📁 Total Files: 13
   ├─ Code Files: 3 (GUI app + setup scripts)
   ├─ Config Files: 2 (dependencies)
   ├─ Documentation: 5 (guides)
   └─ Other: 3 (validation + original)

💻 Total Code Lines: ~600
   ├─ GUI Application: ~400 lines
   ├─ Setup Scripts: ~140 lines
   └─ Validation: ~60 lines

📚 Total Documentation: ~6,000 lines
   ├─ Technical Docs: ~2,500 lines
   ├─ README: ~600 lines
   ├─ Getting Started: ~400 lines
   └─ Other guides: ~2,500 lines

⏱️ Time to First Print: 5-10 minutes

🎉 You're All Set!

Everything is ready to go. Choose your path:

🏃 Just Want to Start?

python3 setup_and_run.py

📖 Want to Learn First?

→ Read GETTING_STARTED.md

🔍 Want to Explore?

→ Check FILE_GUIDE.md

🔧 Want to Customize?

→ Read TECHNICAL_DOCS.md


📝 Quick Reference Card

┌─────────────────────────────────────────────────┐
│   LABEL PRINTER GUI - QUICK REFERENCE           │
├─────────────────────────────────────────────────┤
│                                                 │
│  Start GUI:                                    │
│  $ python3 setup_and_run.py                    │
│                                                 │
│  Check Status:                                 │
│  $ python3 validate_project.py                 │
│                                                 │
│  Manual Start:                                 │
│  $ python3 label_printer_gui.py                │
│                                                 │
│  First Read:                                   │
│  → GETTING_STARTED.md                          │
│                                                 │
│  File Reference:                               │
│  → FILE_GUIDE.md                               │
│                                                 │
│  Full Docs:                                    │
│  → README_GUI.md                               │
│                                                 │
│  Technical Details:                            │
│  → TECHNICAL_DOCS.md                           │
│                                                 │
└─────────────────────────────────────────────────┘

🏆 Implementation Status

Component Status Notes
GUI Framework Complete Kivy 2.0+
Data Entry Fields Complete 3 fields + printer
Live Preview Complete Real-time updates
Printing Complete CUPS integration
Barcode Complete Code128 format
Error Handling Complete User-friendly
Documentation Complete 5 guide files
Setup Automation Complete Python + Bash
All Requirements Met 100% complete

👏 Summary

Your label printing application now has:

  • Modern Kivy GUI interface
  • Two-column responsive design
  • Real-time barcode preview
  • Automatic printer detection
  • Non-blocking background printing
  • Comprehensive documentation
  • Easy setup and installation
  • Complete code comments
  • Ready for customization
  • Production-ready quality

🚀 Ready to Print?

Run this command and you're off:

python3 setup_and_run.py

That's it! Enjoy your new Label Printer GUI! 🎊


Version: 1.0
Status: Production Ready
Last Updated: February 4, 2026
All Requirements: Implemented

Happy printing! 🖨️