textX/Arpeggio

Parser interpreter based on PEG grammars written in Python http://textx.github.io/Arpeggio/

Python

288

726 commits

updated Oct 5, 2026

See the code

README

Arpeggio is a recursive descent parser with memoization based on PEG grammars (aka Packrat parser).

Documentation with tutorials is available here.

Note: for a higher level parsing/language tool (i.e., a nicer interface to Arpeggio) see textX.

parser

parsing

parsing-expression-grammar

python

Project health

Overall

4.9/10

Maintained

10/10

Code review

0/10

OpenSSF Scorecard

PyPI

arpeggio

Latest release

2.0.3 · Sep 12, 2025

Releases this year

Significant stargazers

dreamer

135 followers · starred Jul 2025

Angelin BOOZ

15 followers · starred Mar 2017

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textX/Arpeggio

Parser interpreter based on PEG grammars written in Python http://textx.github.io/Arpeggio/

Python

288

726 commits

updated Oct 5, 2026

See the code

README

Arpeggio is a recursive descent parser with memoization based on PEG grammars (aka Packrat parser).

Documentation with tutorials is available here.

Note: for a higher level parsing/language tool (i.e., a nicer interface to Arpeggio) see textX.

parser

parsing

parsing-expression-grammar

python

Project health

Overall

4.9/10

Maintained

10/10

Code review

0/10

OpenSSF Scorecard

PyPI

arpeggio

Latest release

2.0.3 · Sep 12, 2025

Releases this year

Significant stargazers

dreamer

135 followers · starred Jul 2025

Angelin BOOZ

15 followers · starred Mar 2017

Similar repos

textX/textX

Domain-Specific Languages and parsers in Python made easy http://textx.github.io/textX/

858

same org

we-like-parsers/pegen

PEG parser generator for Python

204

pyparsing/pyparsing

Python library for creating PEG parsers

2,496

tree-sitter/tree-sitter-python

Python grammar for tree-sitter

571

erikrose/parsimonious

The fastest pure-Python PEG parser I can muster

1,917

gvanrossum/pegen

Experiments for the official PEG parser generator for Python

279

we-like-parsers/pegen_experiments

Experiments for the official PEG parser generator for Python

279

python-parsy/parsy

Easy and elegant parser combinators for Python. With awesome docs.

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