PyRank
dabeaz

sly

Sly Lex Yacc
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

sly has 4.2M monthly downloads and 863 GitHub stars. Version 0.5, first published in 2016.

Its repository is archived and was distributed under a permissive license, last released in Oct 2022.

It is used by 69 tracked packages, including scim2-filter-parser, py-walk and spsdk.

Downloads
Day
127.9K
Week
860.5K
Month
4.2M
Stars
863
Forks
115
Issues
32
Version
0.5

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
6
Popularity
61
Adoption
60
Community
40
Provenance
0
How the maintenance status was determined
Last commit
197 days ago
Monthly downloads
4,171,996
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
Repository is archived on GitHub — no further commits expected.
How the popularity category was determined
Monthly downloads
4,171,996
Stars
863
Stars per 1k downloads
0.21
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
122,922
Month daily avg
139,067
Momentum
-11.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
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
1350 days ago
Total releases
6
Releases/year
0.6
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
9
Monthly downloads
4,171,996
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
50
 
Issue Burden
37.1
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
7.8%
contrib / forks
Stale Release
1153d
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 27.6K
Windows 1.3K
macOS 879

Python Versions

3.13
42.3% 12.1K
3.12
28.5% 8.1K
3.14
16.1% 4.6K
3.11
9.0% 2.6K
3.10
4.1% 1.2K

Top Countries

1. US US
24.5K
2. NL NL
1.2K
3. GB GB
643
4. SG SG
555
5. DE DE
449
6. IE IE
443
7. AT AT
319
8. FI FI
260
9. FR FR
176
10. CH CH
117

Package Information

License
MIT
First Release
September 23, 2016
Last Release
3 years ago
Last Commit
6 months ago
Latest Version
0.5
Total Releases
6
Contributors
9
Open PRs
14
Archived
Yes
Author
David Beazley
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links