PyPI Stats
life4

deal

🤝 Design by contract for Python. Write bug-free code. Add a few decorators, get static analysis and tests for free.
PyPI GitHub
Downloads
Day
2.0K
Week
12.8K
Month
67.9K
Stars
891
Forks
36
Issues
0
Version
4.24.6

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
65
Popularity
56
Adoption
48
Community
30
How the maintenance status was determined
Last commit
157 days ago
Monthly downloads
67,930
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
67,930
Stars
891
Stars per 1k downloads
13.12
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
1,826
Month daily avg
2,264
Momentum
-19.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.8
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 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
157 days ago
Total releases
68
Releases/year
8.2
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
17
Monthly downloads
67,930
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
32
 
Issue Burden
0.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
47.2%
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 1.2K
Windows 14
macOS 10

Python Versions

3.10
45.8% 518
3.13
30.7% 347
3.12
12.4% 140
3.9
7.7% 87
3.11
3.4% 39

Top Countries

1. IE IE
620
2. US US
527
3. CA CA
15
4. AU AU
11
5. RU RU
11
6. SG SG
10
7. GB GB
8
8. JP JP
4
9. IN IN
3
10. FI FI
2

Dependencies

0
35 optional dependencies

Used By

18
View all 18 dependents

Package Information

License
MIT License
First Release
January 27, 2018
Last Release
5 months ago
Last Commit
5 months ago
Latest Version
4.24.6
Total Releases
68
Contributors
17
Open PRs
1
Archived
No
Wheels
py3
Keywords
deal contracts pre post invariant decorators validation pythonic functional
Topics
python contracts invariant contracts-programming decorators functional-programming design-by-contract pythonic deal validation interface linter flake8 property-based-testing dbc mypy typing refinement-types testing hacktoberfest
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links