Lark is a modern general-purpose parsing library for Python. With Lark, you can parse any context-free grammar, efficiently, with very little code. Main Features:
- Builds a parse-tree (AST) automagically, based on the structure of the grammar
- Earley parser
- Can parse all context-free grammars
- Full support for ambiguous grammars
- LALR(1) parser
- Fast and light, competitive with PLY
- Can generate a stand-alone parser
- CYK parser, for highly ambiguous grammars
- EBNF grammar
- Unicode fully supported
- Automatic line & column tracking
- Standard library of terminals (strings, numbers, names, etc.)
- Import grammars from Nearley.js
- Extensive test suite
- And much more! Since version 1.2, only Python versions 3.8 and up are supported.
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Release files for lark 1.2.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| lark-1.2.2.tar.gz | 252.1 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| lark-1.2.2-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 363.2 kB
Release files / lark-1.2.2.tar.gz
| Download URL | lark-1.2.2.tar.gz |
|---|---|
| Size | 252.1 kB |
| Tags | Source |
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SHA-256 checksum How to use checksums |
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Release files / lark-1.2.2-py3-none-any.whl
| Download URL | lark-1.2.2-py3-none-any.whl |
|---|---|
| Size | 111.0 kB |
| Tags | Python 3 |
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| Uploaded via |
twine/5.1.1 CPython/3.12.4
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