No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
trailrunner has 2.4M monthly downloads and 18 GitHub stars. Version 1.4.0 supports Python 3.7+, first published in 2021.
It is showing limited recent maintenance under a permissive license, last released in Mar 2023.
It is built on top of pathspec. It is used by 7 tracked packages, including usort, ufmt and fixit.
GitHub topics include runner and multiprocessing.
Package Insights
Package Risks
- High bus factor: only 2 contributor(s) for this download volume
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
30
Popularity
26
Adoption
70
Community
45
Provenance
0
How the maintenance status was determined
Last commit
714 days ago
Monthly downloads
2,382,924
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
2,382,924
Stars
18
Stars per 1k downloads
0.01
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
78,860
Month daily avg
79,431
Momentum
-0.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.7
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
MIT License
•
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
1198 days ago
Total releases
11
Releases/year
2.1
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
2
Monthly downloads
2,382,924
•
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
51
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
28.6%
contrib / forks
Stale Release
483d
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
78.4K
Windows
569
macOS
466
Python Versions
3.11
81.3%
64.3K
3.9
12.0%
9.5K
3.12
3.5%
2.8K
3.10
2.3%
1.8K
3.14
0.9%
685
Top Countries
1.
IE
62.0K
IE
2.
US
16.9K
US
3.
KR
129
KR
4.
DE
122
DE
5.
FI
117
FI
6.
SG
79
SG
7.
AU
38
AU
8.
BE
19
BE
9.
CN
17
CN
10.
GB
16
GB
Dependencies
1
- pathspec >=0.8.1
13 optional dependencies
- attribution[dev]
- black[dev]
- click[dev]
- coverage[dev]
- flake8[dev]
- flake8-bugbear[dev]
- flit[dev]
- mypy[dev]
- rich[dev]
- sphinx[docs]
- sphinx-mdinclude[docs]
- ufmt[dev]
- usort[dev]
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
MIT License
First Release
April 3, 2021
Last Release
3 years ago
Last Commit
1 year ago
Latest Version
1.4.0
Total Releases
11
Contributors
2
Open PRs
7
Archived
No
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh