PyRank
lovasoa

marshmallow-dataclass

Automatic generation of marshmallow schemas from dataclasses.
PyPI GitHub
More links
Download Stats
Monthly downloads
4.1M
Weekly downloads
999.9K
GitHub stars
475

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
8.7.1
Requires Python
>=3.8
Licence
MIT
Last Release
2 years ago
Author
Ophir LOJKINE
First Release
February 5, 2019
Total Releases
74
Python Versions
3.8 3.9 3.10 3.11 3.12
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
56
Adoption
80
Community
55
Provenance
0
How the maintenance status was determined
Last commit
103 days ago
Monthly downloads
4,115,103
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
4,115,103
Stars
475
Stars per 1k downloads
0.12
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
142,838
Month daily avg
137,170
Momentum
+4.1%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.8
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
• Legacy
Supports 3.10 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
764 days ago
Total releases
74
Releases/year
9.6
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
39
Monthly downloads
4,115,103
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
63
 
Issue Burden
98.9
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
52.0%
contrib / forks
Stale Release
661d
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 82.3K
Windows 692
macOS 110

Python Versions

3.12
79.9% 65.0K
3.11
11.7% 9.5K
3.10
3.4% 2.8K
3.14
2.9% 2.4K
3.13
2.0% 1.6K

Top Countries

1. IE IE
43.4K
2. US US
29.7K
3. IN IN
4.9K
4. NL NL
1.6K
5. DE DE
1.2K
6. CA CA
431
7. IL IL
300
8. SG SG
300
9. GB GB
237
10. FR FR
215

Weekly Downloads

GitHub Stars

Dependencies

4
8 optional dependencies

Used By

104
View all 104 dependents

Repository details

Forks
75
Issues
47
Last Commit
3 months ago
Contributors
39
Open PRs
9
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
marshmallow dataclass serialization
Sources and methodology