dict2css
A μ-library for constructing cascading style sheets from Python dictionaries.
Decision gist · record as of 2026-08-14
Yes, if you need to work with CSS as Python data structures. The library is small, actively maintained, has no known vulnerabilities, and installs with low friction. MIT licensing is unrestrictive. The main unknown is whether it handles advanced CSS features (at-rules, media queries) or only basic selectors and properties—verify against your use case before committing.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction installation with a pure-Python wheel.
- Active maintenance as of 2026-07-06, with support across Python 3.8–3.13 and PyPy.
License · maintenance · safety
MIT (permissive) — MIT license is permissive; you can use, modify, and distribute dict2css with minimal restrictions.
last release 2026-05-21 (85 days) · last repo commit 2026-07-06 · 2 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 669,534 downloads/mo, #5,413 on PyPI
Alternatives
Verify before relying
from dict2css import dump
styles = {
"body": {"margin": "0", "padding": "0"},
".header": {"background-color": ("red", "important")}
}
css_string = dump(styles)- Whether the package handles CSS at-rules (@media, @keyframes, etc.) or only simple selectors and properties.
- Performance characteristics when working with large stylesheets.
- Whether round-trip fidelity (dump then load) preserves all CSS semantics.
What it is and what it does
dict2css is a lightweight library that bridges Python dictionaries and CSS stylesheets. It provides dump and load functions—similar to the json and toml standard library modules—allowing you to construct CSS from nested Python dicts where keys are CSS selectors and values are property mappings. Property values can optionally include an "important" flag as a tuple. The library depends on domdf-python-tools and tinycss2 for parsing and serialization.
The package targets developers who want to programmatically generate or manipulate CSS within Python, such as in static site generators, template systems, or configuration-driven styling. It is typed, actively maintained, and supports modern Python versions from 3.8 onward.
Use it for
- Generate CSS stylesheets programmatically from configuration dictionaries in static site generators or template engines.
- Parse existing CSS files into Python dicts for inspection, modification, or transformation.
- Build theme or style configuration systems where CSS is defined as nested Python data structures.
- Serialize dynamic styling rules computed at runtime into valid CSS output.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need to work with CSS as Python data structures.
The library is small, actively maintained, has no known vulnerabilities, and installs with low friction. MIT licensing is unrestrictive. The main unknown is whether it handles advanced CSS features (at-rules, media queries) or only basic selectors and properties—verify against your use case before committing.
Install
dict2css on PyPI
Before you install
Low friction installation with a pure-Python wheel. Active maintenance as of 2026-07-06, with support across Python 3.8–3.13 and PyPy.
License in practice
MIT license is permissive; you can use, modify, and distribute dict2css with minimal restrictions.
Quickstart
from dict2css import dump
styles = {
"body": {"margin": "0", "padding": "0"},
".header": {"background-color": ("red", "important")}
}
css_string = dump(styles)Verify before relying
- Whether the package handles CSS at-rules (@media, @keyframes, etc.) or only simple selectors and properties.
- Performance characteristics when working with large stylesheets.
- Whether round-trip fidelity (dump then load) preserves all CSS semantics.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesdomdf-python-toolstinycss2 |
| Maintenance | Actively maintained 85 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 669,534 / month, #5,413 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Software Development :: Libraries :: Python ModulesTyping :: Typed |
Evidence: dict2css-0.6.0-py3-none-any.whl
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See also cssutils · pynliner · cssselect2 · css-inline · cssselect · dom-toml · tree-sitter-css · csscompressor · tinycss2 · jsons