Monthly downloads
635.3K
Weekly downloads
87.2K
GitHub stars
81
Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
>=3.10
Licence
MIT
Last Release
4 months ago
First Release
September 9, 2016
Total Releases
41
Python Versions
3
No reported malware or high/critical advisories · Details
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
65
Popularity
39
Adoption
58
Community
50
Provenance
0
How the maintenance status was determined
Last commit
133 days ago
Monthly downloads
635,269
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
635,269
Stars
81
Stars per 1k downloads
0.13
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
12,451
Month daily avg
21,176
Momentum
-41.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100More insights and metrics
Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
•
Legacy
Supports 3.10 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
136 days ago
Total releases
41
Releases/year
4.1
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
10
Monthly downloads
635,269
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
48
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
58.8%
contrib / forks
Stale Release
No
PR Velocity
Quiet
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
6.6K
Windows
85
macOS
71
Python Versions
3.11
34.2%
2.1K
3.10
32.4%
2.0K
3.12
16.4%
1.0K
3.14
11.3%
706
3.13
5.7%
360
Top Countries
1.
US
5.8K
US
2.
FR
331
FR
3.
SG
174
SG
4.
IE
159
IE
5.
SE
120
SE
6.
LU
49
LU
7.
CA
39
CA
8.
IN
37
IN
9.
NL
28
NL
10.
CN
27
CN
Weekly Downloads
GitHub Stars
Dependencies
3
-
backports-zstd
python_version < "3.14"
-
isal
>=1.6.1
platform_machine == "x86_64" or platform_machine == "AMD64" or platform_machine == "aarch64"
-
zlib-ng
>=0.4.1
platform_machine == "x86_64" or platform_machine == "AMD64" or platform_machine == "aarch64"
1 optional dependencies
-
pytest[dev]extra == "dev"
Used By
42
- dnaio 65.2K/mo
- cutadapt 54.2K/mo
- orjsonl 38.4K/mo
- coralsnake 16.2K/mo
- oarepo 10.3K/mo
- pgscatalog-core 8.6K/mo
- lenskit 8.1K/mo
- pytest-workflow 6.6K/mo
- nextstrain-augur 4.5K/mo
- celescope 4.4K/mo
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh