fast_rich
fast_rich is a drop-in replacement for Python Rich
whose rendering engine is written in Rust. Change rich to fast_rich in your
imports; everything else stays the same.
pip install fast-rich
Wheels are published for Linux (glibc and musl, x86_64 and aarch64), Windows x64 and macOS (Intel and Apple Silicon), for Python 3.10+. No Rust toolchain is needed.
Quick start
from fast_rich.console import Console
from fast_rich.table import Table
console = Console()
table = Table(title="Star Wars Movies")
table.add_column("Title", style="cyan")
table.add_column("Year", style="magenta", justify="right")
table.add_row("A New Hope", "1977")
table.add_row("The Empire Strikes Back", "1980")
console.print(table)
How it works
- The object model is Rich's:
Console,Text,Style,Segment, markup, highlighters,pretty,Progress,Live,logging,promptand friends keep Rich's exact API and behaviour. - Layout and text wrapping run in Rust:
Text,Panel,Table,Tree,Rule,Align,Padding,Constrain,Columns,Styled,MarkdownandSyntaxare laid out by thefast-richRust crate, which ports Rich's algorithms (column widths, wrapping, box drawing, tree guides). - Your own renderables (
__rich__,__rich_console__,__rich_measure__) work unchanged, including inside native panels and tables.
Syntax is highlighted with syntect and
Markdown is parsed with pulldown-cmark, so colours and Markdown details can
differ from Rich (which uses Pygments and markdown-it).
Compatibility
The package is checked feature by feature against Rich 15 (152 checks,
bindings/python/docker/feature_test.py): all pass on Linux (8 Docker
images, piped and in a terminal), and 118 outputs are byte-identical to Rich.
Performance
Release build, Apple M-series, printing to a 100-column truecolor console
(best of 5, bindings/python/benchmarks/bench_vs_rich.py):
| Operation | Rich 15 | fast_rich | Speedup |
|---|---|---|---|
| Table, 1000 rows × 5 columns | 153 ms | 44 ms | 3.5× |
| Panel with 100 KB of text | 15 ms | 5.5 ms | 2.8× |
Syntax, fast_rich/table.py (~600 lines) |
53 ms | 19 ms | 2.8× |
| 1000 markup lines | 40 ms | 29 ms | 1.4× |
License
MIT. Parts of this package (the Python object model) are adapted from Rich,
Copyright (c) 2020 Will McGugan, MIT License — see fast_rich/LICENSE.rich.
Credits
1 maintainer
Metadata
1 maintainer
Release files for fast-rich 0.4.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| fast_rich-0.4.0.tar.gz | 481.9 kB | With provenance | Details for fast_rich-0.4.0.tar.gz |
Built distributions (wheels)
Total release size: 13.5 MB
Release files / fast_rich-0.4.0.tar.gz
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