PyRank
rasterio

affine

Affine transformation matrices
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

affine has 4.7M monthly downloads and 174 GitHub stars. Version 2.4.0 supports Python 3.7+, first published in 2014.

It is stably maintained under a permissive license, last released in Jan 2023.

It is used by 173 tracked packages, including rasterio, rasterstats and odc-geo.

Downloads
Day
150.3K
Week
1.1M
Month
4.7M
Stars
174
Forks
27
Issues
1
Version
2.4.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
45
Adoption
70
Community
40
Provenance
0
How the maintenance status was determined
Last commit
120 days ago
Monthly downloads
4,693,095
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
4,693,095
Stars
174
Stars per 1k downloads
0.04
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
155,069
Month daily avg
156,436
Momentum
-0.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python 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
BSD 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
1265 days ago
Total releases
21
Releases/year
1.7
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
15
Monthly downloads
4,693,095
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
46
 
Issue Burden
5.7
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
55.6%
contrib / forks
Stale Release
1144d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 92.6K
Windows 3.1K
macOS 1.2K

Python Versions

3.12
47.0% 42.1K
3.11
27.0% 24.1K
3.13
10.5% 9.4K
3.10
8.2% 7.3K
3.9
7.3% 6.6K

Top Countries

1. US US
71.8K
2. NL NL
4.4K
3. BR BR
4.3K
4. DE DE
3.7K
5. IE IE
2.5K
6. SG SG
2.0K
7. FR FR
1.2K
8. CN CN
950
9. IN IN
751
10. GB GB
669

Package Information

License
BSD License
First Release
May 28, 2014
Last Release
3 years ago
Last Commit
4 months ago
Latest Version
2.4.0
Total Releases
21
Contributors
15
Open PRs
2
Archived
No
Wheels
py2 py3
Keywords
affine transformation matrix
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links