A python library to manipulate formal grammar. In general, it can be used to better understand algorithms in a formal way.
If you use Pyformlang in your project, please cite our paper:
@InProceedings{pyformlang,
author="Romero, Julien",
title="Pyformlang: An Educational Library for Formal Language Manipulation",
booktitle="SIGCSE",
year="2021"
doi = {https://doi.org/10.1145/3408877.3432464}
}
pip3 install pyformlang
Most algorithms come from Introduction to Automata Theory, Languages, and Computation (2nd edition) by John E. Hopcroft, Rajeev Motwani and Jeferey D. Ullman.
Indexed grammars come from the original paper Index Grammars - An Extension of Context-free grammars by Alfred V. Aho.
On the implementation of Hopcroft minimization algorithm: Implementation of Hopcroft's Algorithm, Hang Zhou
Intersection CFG/Regex and a better written version
Please refer to the official documentation: pyformlang.readthedocs.io.
FAQs
A python framework for formal grammars
We found that pyformlang demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
Research
The Socket Research Team breaks down a malicious wrapper package that uses obfuscation to harvest credentials and exfiltrate sensitive data.
Research
Security News
Attackers used a malicious npm package typosquatting a popular ESLint plugin to steal sensitive data, execute commands, and exploit developer systems.
Security News
The Ultralytics' PyPI Package was compromised four times in one weekend through GitHub Actions cache poisoning and failure to rotate previously compromised API tokens.