Learn ORANGE with Real Code Examples
Updated Nov 24, 2025
Architecture
Python-based modular architecture
GUI with widgets for interactive workflow building
Python scripting interface for automation and customization
Add-on system for extended functionality
Integration with NumPy, SciPy, and scikit-learn for ML tasks
Rendering Model
Canvas GUI for workflow construction
Widgets for preprocessing, modeling, and visualization
Python scripting for automation
Add-ons for specialized tasks
Integration with Python ML libraries
Architectural Patterns
Python object-oriented modularity
Widget-Canvas workflow system
Scripting interface for automation
Add-on system for extendable functionality
Integration with external Python ML tools
Real World Architectures
Educational ML courses and labs
Bioinformatics data analysis pipelines
Social science research analytics
Small business predictive analytics
Integration with Python ML applications
Design Principles
Interactive visual workflows for learning
Modular widgets for flexible pipelines
Python-based for advanced scripting
Extensible via add-ons
Lightweight and cross-platform
Scalability Guide
Use Python scripting for large datasets
Optimize workflow complexity to maintain responsiveness
Leverage scikit-learn integration for performance
Use sampling for interactive exploration
Combine with external Python tools for big data
Migration Guide
Upgrade Orange via pip or installer
Verify Python version compatibility
Test existing workflows on new version
Update add-ons as needed
Check scripts for API changes in Orange modules