cattrs
Composable complex class support for attrs and dataclasses.
cattrs has been downloaded 1,766,100,191 times in total on PyPI, including 38,851,029 in the last 30 days. The latest version is 26.2.1, released Sep 26, 2026. It is distributed under the MIT license.
Version26.2.1
Downloads
1.77G
LicenseMIT
AuthorTin Tvrtkovic
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal26.*25.*
Range
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Granularity
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CI traffic
Stack: OffCI: Included3 / 45 series
Selected total209.57M
1.8GAll-time
38.9MLast 30 days
1.4MLast 24 h
14.88/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0124.2%
26.1.0
28.6M downloadsDownloads28.6M24.2% - 0220.3%
26.2.1
24.0M downloadsDownloads24.0M20.3% - 0311.5%
25.3.0
13.6M downloadsDownloads13.6M11.5% - 049.0%
26.2.0
10.6M downloadsDownloads10.6M9.0% - 057.6%
24.1.3
9.0M downloadsDownloads9.0M7.6% - 064.1%
25.1.1
4.8M downloadsDownloads4.8M4.1% - 073.9%
23.2.3
4.6M downloadsDownloads4.6M3.9% - 083.8%
24.1.2
4.5M downloadsDownloads4.5M3.8% - 0915.6%
Other
18.4M downloadsDownloads18.4M15.6%
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Thirteen recent days of cattrs downloads. Drag the green handle on the right to guess where day fourteen lands.