# QR Code Management System - Python Dependencies
# Production-ready Flask application with PostgreSQL support

# Core Flask Framework
Flask==2.3.3
Flask-SQLAlchemy==3.0.5

# Database Support
psycopg2-binary==2.9.7          # PostgreSQL adapter
SQLAlchemy==2.0.21

# Security and Authentication
Werkzeug==2.3.7                 # Security utilities and password hashing

# QR Code Generation
qrcode==7.4.2                   # QR code generation library
Pillow==10.0.1                  # Image processing for QR codes

# User Agent Detection (NEW)
user-agents==2.2.0              # Device and browser detection from user agent strings

# URL and Regex Processing
regex==2023.8.8                 # Enhanced regex support for URL generation

# Environment and Configuration
python-dotenv==1.0.0            # Environment variable management

# Date and Time Processing
python-dateutil==2.8.2          # Extended date/time processing

# Development and Testing (optional)
pytest==7.4.2                   # Testing framework
pytest-flask==1.2.0             # Flask testing utilities
Flask-Testing==0.8.1            # Additional Flask testing tools

# Production Server (optional)
gunicorn==21.2.0                # WSGI HTTP Server for production
gevent==23.7.0                  # Async worker support

# Utilities
click==8.1.7                    # Command line interface creation
itsdangerous==2.1.2             # Secure data serialization
Jinja2==3.1.2                   # Template engine
MarkupSafe==2.1.3               # Safe string handling

# Data Export and Processing (NEW)
openpyxl==3.1.2                 # Excel file generation for attendance reports
pandas==2.1.1                   # Data manipulation for reports (optional)

# HTTP Requests (for potential integrations)
requests==2.31.0                # HTTP library for external API calls

# Caching (optional for performance)
Flask-Caching==2.1.0            # Caching support for Flask

# Logging and Monitoring (optional)
python-json-logger==2.0.7       # Structured logging support