No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
39
Adoption
78
Community
50
Provenance
0
How the maintenance status was determined
Last commit
31 days ago
Monthly downloads
774,470
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
774,470
Stars
81
Stars per 1k downloads
0.10
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
27,352
Month daily avg
25,816
Momentum
+6.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.10
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
•
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
33 days ago
Total releases
41
Releases/year
4.2
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
10
Monthly downloads
774,470
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
45
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
58.8%
contrib / forks
Stale Release
No
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
4.4K
macOS
56
Windows
34
Python Versions
3.11
28.2%
1.2K
3.10
28.0%
1.2K
3.12
25.5%
1.1K
3.14
9.3%
405
3.13
9.0%
391
Top Countries
1.
US
3.9K
US
2.
IE
268
IE
3.
SG
102
SG
4.
ID
89
ID
5.
ES
62
ES
6.
HK
39
HK
7.
CN
36
CN
8.
IL
32
IL
9.
KR
31
KR
10.
DE
13
DE
Dependencies
3
- backports-zstd
- isal >=1.6.1
- zlib-ng >=0.4.1
1 optional dependencies
- pytest[dev]
Used By
39
- dnaio
- cutadapt
- pytest-workflow
- orjsonl
- coralsnake
- oarepo
- lenskit
- xgi
- pgscatalog-core
- nextstrain-augur
- sequali
- folitools
- celescope
- whatshap
- thapbi-pict
- bakta
- tssv
- drive-ibd
- pixelgen-pixelator
- fgmetric
- variant
- chronumental
- plotgen
- seaflowpy
- fastq-filter
- celescope-atac
- pyphewas-package
- baktfold
- fastqsplitter
- lltk-dh
- ultraplex
- cdhit-reader
- findontime
- fastq-handler
- cutadapt-folitools
- tadrep
- finna-crawler
- singlecell-vdj
- matsimtools-ifpen
Package Information
License
MIT
First Release
September 9, 2016
Last Release
1 month ago
Last Commit
1 month ago
Latest Version
2.1.0
Total Releases
41
Contributors
10
Open PRs
1
Archived
No
Python Versions
3
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh