PyRank
eerimoq

bitstruct

Python bit pack/unpack package.
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

bitstruct has 4.8M monthly downloads and 135 GitHub stars. Version 8.22.1 supports Python 3.9+, first published in 2015.

It is stably maintained under a permissive license, last released in Feb 2026.

It is used by 40 tracked packages, including cantools, odxtools and fit-tool.

Downloads
Day
146.0K
Week
1.0M
Month
4.8M
Stars
135
Forks
33
Issues
8
Version
8.22.1

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
45
Adoption
70
Community
55
Provenance
0
How the maintenance status was determined
Last commit
139 days ago
Monthly downloads
4,812,543
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
4,812,543
Stars
135
Stars per 1k downloads
0.03
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
149,546
Month daily avg
160,418
Momentum
-6.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.9
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
139 days ago
Total releases
68
Releases/year
6.1
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
10
Monthly downloads
4,812,543
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
59
 
Issue Burden
59.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
30.3%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 68.8K
Windows 544
macOS 251

Python Versions

3.12
51.2% 34.8K
3.10
30.8% 20.9K
3.11
12.7% 8.6K
3.13
2.8% 1.9K
3.14
2.6% 1.8K

Top Countries

1. US US
33.6K
2. SG SG
29.1K
3. DE DE
3.6K
4. NL NL
2.0K
5. PL PL
929
6. CA CA
923
7. IE IE
873
8. SE SE
820
9. AU AU
762
10. BE BE
588
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
MIT
First Release
May 9, 2015
Last Release
4 months ago
Last Commit
4 months ago
Latest Version
8.22.1
Total Releases
68
Contributors
10
Open PRs
6
Archived
No
Author
Ilya Petukhov
Python Versions
3
Wheels
cp310 cp311 cp312 cp313 cp314 cp38 cp39 py2 py3
Keywords
bit field bit parsing bit unpack bit pack
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links