csscompress

A fast and safe CSS minifier for Python — the community-maintained fork of csscompressor (itself a Python port of YUI Compressor's CSS minifier).

What's fixed vs upstream

Upstream csscompressor is dormant (last release 0.9.5, November 2017). csscompress continues it with:

  • Data-URI whitespace fix: url("data:...") values containing SVG or MathML were minified aggressively (remove_ws=True), destroying the whitespace that SVG/MathML data URIs need to render. csscompress preserves whitespace inside url(...) patterns, so data:image/svg+xml,... CSS works after minification.
  • Proper __version__ attribute (upstream shipped a stale one).

Usage

from csscompress import compress

minified = compress("body { color: #ff0000; /* comment */ }")

There is also a CLI:

$ python -m csscompress input.css > output.min.css

API

  • compress(css: str) -> str — minify a CSS stylesheet.
  • compress_partitioned(css: str) -> list[str] — minify and return each top-level rule separately.

License

BSD (revised) — see LICENSE. The original project is a Python port of the YUI Compressor CSS minifier:

  • Portions Copyright (c) 2013 Sprymix Inc.
  • Author of the Python port: Yury Selivanov
  • Original authors: Julien Lecomte, Isaac Schlueter, Stoyan Stefanov, and contributors; Portions Copyright (c) 2011-2013 Yahoo! Inc.

Key dates

PyPI data
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  • Released:
Latest release

1 maintainer

PyPI data
Data sourced directly from PyPI's database.
Avatar for QQSHI13 from gravatar.com QQSHI13

Credits

Author: QQSHI13

License

BSD License (BSD-3-Clause)

Requires

Python >=3.8

Tags

css minify compressor yui

Classifiers

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