PyRank
aio-libs

propcache

Fast property caching
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

propcache has 578.1M monthly downloads and 35 GitHub stars. Version 0.5.2 supports Python 3.10+, first published in 2024.

It is actively maintained under a permissive license, last released in May 2026.

It is used by 272 tracked packages, including aiohttp, yarl and homeassistant.

Downloads
Day
17.5M
Week
130.8M
Month
578.1M
Stars
35
Forks
21
Issues
2
Version
0.5.2

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
35
Adoption
70
Community
85
Provenance
100
How the maintenance status was determined
Last commit
12 days ago
Monthly downloads
578,098,972
• 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
578,098,972
Stars
35
Stars per 1k downloads
0.00
• 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
18,682,503
Month daily avg
19,269,966
Momentum
-3.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python 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
Apache-2.0
• 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
59 days ago
Total releases
11
Releases/year
6.3
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
50
Monthly downloads
578,098,972
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
70
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
238.1%
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 14.6M
Windows 236.9K
macOS 118.4K

Python Versions

3.12
40.3% 5.7M
3.13
21.9% 3.1M
3.11
21.6% 3.0M
3.10
10.7% 1.5M
3.9
5.5% 779.2K

Top Countries

1. US US
11.6M
2. IN IN
584.1K
3. SG SG
473.8K
4. DE DE
342.5K
5. IE IE
299.1K
6. NL NL
282.3K
7. GB GB
193.6K
8. JP JP
143.6K
9. CA CA
121.5K
10. AU AU
87.4K

Package Information

License
Apache-2.0
First Release
October 2, 2024
Last Release
2 months ago
Last Commit
1 week ago
Latest Version
0.5.2
Total Releases
11
Contributors
50
Open PRs
5
Archived
No
Author
Andrew Svetlov
Python Versions
3 3.10 3.11 3.12 3.13 3.14
Wheels
cp310 cp311 cp312 cp313 cp314 cp38 cp39 py3
Keywords
cython cext propcache
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links