PyRank
psf

black

The uncompromising Python code formatter
PyPI GitHub

Shared Repository

This package shares its GitHub repository (psf/black) with 5 other packages. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
5.2M
Week
30.9M
Month
123.9M
Stars
41.5K
Forks
2.8K
Issues
277
Version
26.5.1

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
94
Adoption
80
Community
70
How the maintenance status was determined
Last commit
2 days ago
Monthly downloads
123,926,630
• 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
123,926,630
Stars
41,515
Stars per 1k downloads
0.33
• 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
4,410,107
Month daily avg
4,130,888
Momentum
+6.8%
((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
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
4 days ago
Total releases
72
Releases/year
8.8
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
520
Monthly downloads
123,926,630
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
61
 
Issue Burden
6.7
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
18.7%
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 2.5M
Windows 44.2K
macOS 42.3K

Python Versions

3.10
37.8% 919.5K
3.12
26.9% 653.9K
3.11
20.2% 491.7K
3.13
9.6% 232.7K
3.14
5.4% 131.6K

Top Countries

1. US US
2.2M
2. IE IE
117.9K
3. SG SG
116.4K
4. DE DE
53.2K
5. NL NL
26.0K
6. GB GB
21.2K
7. FR FR
18.5K
8. HK HK
13.6K
9. BR BR
13.0K
10. IN IN
12.6K

GitHub Topics

Tags from the package's GitHub repository describing what it does.

Package Information

License
MIT
First Release
March 14, 2018
Last Release
4 days ago
Last Commit
3 days ago
Latest Version
26.5.1
Total Releases
72
Contributors
520
Open PRs
13
Archived
No
Python Versions
3.10 3.11 3.12 3.13 3.14 3.15
Wheels
cp310 cp311 cp312 cp313 cp314 cp36 cp37 cp38 cp39 py3 py36
Keywords
automation autopep8 formatter gofmt pyfmt rustfmt yapf
Tracking Since
January 6, 2026
Data Updated
May 17, 2026
Data Freshness
Fresh

Links