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Installation#

Install PyGraft-gen using pip, uv or poetry.

Prerequisites

  • Python 3.10 or higher
  • Java (optional)

Installation#

This installs PyGraft-gen as a regular package in your current environment.

# From PyPI (recommended)
pip install pygraft-gen

# From GitHub (latest from main branch)
pip install git+https://github.com/Orange-OpenSource/pygraft-gen.git

# Verify installation
pygraft --version

# From PyPI (recommended)
uv add pygraft-gen

# From GitHub (latest from main branch)
uv pip install git+https://github.com/Orange-OpenSource/pygraft-gen.git

# Verify installation
pygraft --version

# From PyPI (recommended)
poetry add pygraft-gen

# From GitHub (latest from main branch)
poetry add git+https://github.com/Orange-OpenSource/pygraft-gen.git

# Verify installation
pygraft --version

Java (Optional)#

Java is required only for consistency checking, which uses the Owlready2 library to run the HermiT and Pellet reasoners. Enable this in your config with check_kg_consistency: true

Learn more

See Configuration Reference

Install Java:

  • Eclipse Temurin - Free and open-source OpenJDK (recommended)
  • Oracle JDK - Free for development/personal use (commercial licensing applies for production)

Operating System

  • Linux/macOS: Owlready2 automatically detects Java
  • Windows: You may need to manually configure the Java path and add it to your system PATH

Verify Java: 

java --version

Next Steps#