PyRank
danielhrisca

asammdf

Fast Python reader and editor for ASAM MDF / MF4 (Measurement Data Format) files
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

asammdf has 1.2M monthly downloads and 791 GitHub stars. Version 8.8.22 supports Python 3.10+, first published in 2017.

It is stably maintained under a copyleft license, last released in Jul 2026.

It is built on top of canmatrix, chardet and deflate. It is used by 12 tracked packages, including typhoontest, fast-data-pipeline and rosbag2-mf4-preprocessing-tools.

GitHub topics include mdf, mf4 and asam.

Downloads
Day
78.8K
Week
364.1K
Month
1.2M
Stars
791
Forks
263
Issues
90
Version
8.8.22

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
64
Adoption
100
Community
80
Provenance
0
How the maintenance status was determined
Last commit
71 days ago
Monthly downloads
1,229,320
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
1,229,320
Stars
791
Stars per 1k downloads
0.64
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
52,010
Month daily avg
40,977
Momentum
+26.9%
((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
LGPLv3+
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
5 days ago
Total releases
291
Releases/year
32.3
• 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
55
Monthly downloads
1,229,320
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
85
 
Issue Burden
113.8
per 1k stars
Discussions
158.0
per 1k stars
Fork Ratio
20.9%
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 35.0K
Windows 165
macOS 33

Python Versions

3.10
71.5% 25.0K
3.12
16.8% 5.9K
3.11
11.2% 3.9K
3.13
0.4% 145
3.14
0.2% 57

Top Countries

1. DE DE
14.8K
2. US US
7.2K
3. NL NL
7.0K
4. GB GB
3.5K
5. JP JP
2.8K
6. CN CN
54
7. AT AT
53
8. SE SE
28
9. IE IE
25
10. IN IN
23

Dependencies

12
17 optional dependencies

Used By

12
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
LGPLv3+
First Release
July 10, 2017
Last Release
5 days ago
Last Commit
2 months ago
Latest Version
8.8.22
Total Releases
291
Contributors
55
Open PRs
2
Archived
No
Python Versions
3.10 3.11 3.12 3.13 3.14
Wheels
cp310 cp311 cp312 cp36 cp37 cp38 cp39 py3
Keywords
read reader edit editor parse parser asam mdf measurement
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links