Bug ID: 1632502
Summary: Review Request: python-lark-parser - Modern
general-purpose parsing library for Python
Component: Package Review
QA Contact: extras-qa(a)fedoraproject.org
Spec URL: https://fedorapeople.org/~totol/python-lark-parser.spec
Lark is a modern general-purpose parsing library for Python.
Lark focuses on simplicity and power. It lets you choose between
two parsing algorithms:
Earley : Parses all context-free grammars (even ambiguous ones)!
It is the default.
LALR(1): Only LR grammars. Outperforms PLY and most if not all
other pure-python parsing libraries.
Both algorithms are written in Python and can be used interchangably
with the same grammar (aside for algorithmic restrictions).
See "Comparison to other parsers" for more details.
Lark can automagically build an AST from your grammar, without any
more code on your part.
- EBNF grammar with a little extra
- Earley & LALR(1)
- Builds an AST automagically based on the grammar
- Automatic line & column tracking
- Automatic token collision resolution (unless both tokens are regexps)
- Python 2 & 3 compatible
- Unicode fully supported
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