langextract

(β˜… 38,461)

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

  • .gitignore
  • .pre-commit-config.yaml
  • .pylintrc
  • autoformat.sh
  • CITATION.cff
  • COMMUNITY_PROVIDERS.md
  • CONTRIBUTING.md
  • Dockerfile
  • LICENSE
  • pyproject.toml
  • README.md
  • tox.ini

# Installation Guide

1. Get the code
git clone https://github.com/google/langextract

Downloads the entire project code from GitHub to your computer.

cd langextract

Moves into the project folder you just downloaded.

2. Official Install Script

Easy Recommended
Prerequisites
  • Python 3 Python is required to use pip.
pip install langextract

Installs the package published on PyPI directly β€” no need to clone the source.

βœ… After installing, open a new terminal and run the program's version command (e.g. --version) to confirm it worked.

Pulled directly from this repo's README.

3. Docker

Easy
Prerequisites
  • Git Needed to download the project code from GitHub.
  • Docker Desktop Needed to build and run containers. Install it and keep it running in the background.
docker build -t langextract .

Builds a runnable image based on the Dockerfile.

docker run --rm -e LANGEXTRACT_API_KEY="your-api-key" langextract python your_script.py

Runs the built image as an actual container.

βœ… Run docker compose ps to check the containers are Up. If the README mentions a port, open http://localhost:PORT in your browser.

Pulled directly from this repo's README.

4. Python

Easy
Prerequisites
  • Git Needed to download the project code from GitHub.
  • Python 3 On Windows, be sure to check 'Add Python to PATH' during installation.
f.write(html_content.data) # For Jupyter/Colab

Type this command into your terminal and run it.

pip install langextract

Installs the package published on PyPI directly β€” no need to clone the source.

python -m venv langextract_env

Runs the Python script (or module).

pip install -e .

Installs the Python libraries listed in requirements.txt (or similar).

pip install -e ".[dev]"

Installs the Python libraries listed in requirements.txt (or similar).

βœ… If it runs without errors and prints output in the terminal, it worked.

Pulled directly from this repo's README.

// repository documentation