No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
license-expression has 31.5M monthly downloads and 73 GitHub stars. Version 30.4.4 supports Python 3.9+, first published in 2016.
It is stably maintained under a permissive license, last released in Jul 2025.
It is built on top of boolean-py. It is used by 44 tracked packages, including cyclonedx-python-lib, checkov and pytest-homeassistant-custom-component.
GitHub topics include licensing, boolean-expression and license-expression.
Package Insights
Package Risks
- No releases in 296 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
41
Adoption
80
Community
70
Provenance
0
How the maintenance status was determined
Last commit
52 days ago
Monthly downloads
31,480,255
Active
Activity within 30 days
•
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
31,480,255
Stars
73
Stars per 1k downloads
0.00
•
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
1,071,361
Month daily avg
1,049,342
Momentum
+2.1%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.9
Cutting Edge
Minimum supported version is 3.12 or newer
•
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Apache-2.0
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
349 days ago
Total releases
44
Releases/year
4.5
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
33
Monthly downloads
31,480,255
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
57
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
110.0%
contrib / forks
Stale Release
296d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
776.2K
Windows
10.4K
macOS
8.5K
Python Versions
3.12
39.0%
301.2K
3.13
28.7%
221.2K
3.11
21.1%
162.5K
3.14
9.1%
70.6K
3.10
2.1%
16.3K
Top Countries
1.
US
574.5K
US
2.
GB
72.2K
GB
3.
DE
51.8K
DE
4.
FI
36.7K
FI
5.
NL
12.0K
NL
6.
JP
8.7K
JP
7.
AU
6.1K
AU
8.
IE
3.9K
IE
9.
FR
3.8K
FR
10.
SE
2.7K
SE
Dependencies
1
- boolean-py >=4.0
12 optional dependencies
- doc8[dev]
- pytest[dev]
- pytest-xdist[dev]
- ruff[dev]
- sphinx[dev]
- sphinx-autobuild[dev]
- sphinx-copybutton[dev]
- sphinx-reredirects[dev]
- sphinx-rtd-dark-mode[dev]
- sphinx-rtd-theme[dev]
- sphinxcontrib-apidoc[dev]
- twine[dev]
Used By
44
- cyclonedx-python-lib
- checkov
- pytest-homeassistant-custom-component
- spdx-tools
- reuse
- licensecheck
- pyproject-parser
- scancode-toolkit
- esp-idf-sbom
- fromager
- craft-application
- pylic
- aboutcode-toolkit
- continuous-delivery-scripts
- whiteprints-template-context
- aleksis-core
- pytest-homeassistant-custom-component-framework
- pytest-logikal
- eccenca-marketplace-client
- python-ort
- scancode-toolkit-mini
- pycargoebuild
- vulnerablecode
- license-audit
- ts-scan
- netbox-slm
- onot
- debsbom
- pyp2spec
- mlcast-dataset-validator
- compliance-assistant
- pacli-tool
- go-vendor-tools
- licenses-deny
- codesonor
- attributecode
- kiara-plugin-develop
- pypispdx
- dverse-agent-python
- kiara-plugin-dev
- lifil
- wwt-api-client
- python-rektor-monitor
- noxmake
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache-2.0
First Release
August 23, 2016
Last Release
11 months ago
Last Commit
1 month ago
Latest Version
30.4.4
Total Releases
44
Contributors
33
Open PRs
1
Archived
No
Author
nexB. Inc. and others
Python Versions
3
Wheels
py2
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh