Monthly downloads
54.7K
Weekly downloads
10.8K
GitHub stars
160
Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
>=3.10
Licence
BSD
Last Release
2 months ago
Author
LSST DESC
First Release
September 5, 2017
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
80
Popularity
50
Adoption
47
Community
100
Provenance
100
How the maintenance status was determined
Last commit
80 days ago
Monthly downloads
54,714
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
54,714
Stars
160
Stars per 1k downloads
2.92
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
1,542
Month daily avg
1,824
Momentum
-15.5%
((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
BSD
•
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
80 days ago
Total releases
41
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
109
Monthly downloads
54,714
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
80
Issue Burden
462.5
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
125.3%
contrib / forks
Stale Release
No
PR Velocity
Quiet
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
1.2K
macOS
6
Python Versions
3.10
77.3%
965
3.12
9.6%
120
3.11
7.8%
97
3.13
5.3%
66
Top Countries
1.
US
1.2K
US
2.
SG
63
SG
3.
IN
28
IN
4.
CN
8
CN
5.
FR
7
FR
6.
KR
7
KR
7.
JP
4
JP
8.
HK
3
HK
9.
MO
2
MO
10.
SA
2
SA
Weekly Downloads
GitHub Stars
Used By
11
- measureia 640/mo
- cs-util 457/mo
- lsstdesc-crow 361/mo
- fisher-a2z 262/mo
- py-lfkit 249/mo
- tjpcov 230/mo
- shear-psf-leakage 209/mo
- plima 171/mo
- nemo-sz 159/mo
- desc-crow 158/mo
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords