cattrs
Composable complex class support for attrs and dataclasses.
cattrs has been downloaded 1,613,052,633 times in total on PyPI, including 71,759,519 in the last 30 days. The latest version is 26.1.0, released Feb 18, 2026. It is distributed under the MIT license.
Version26.1.0
Downloads
1.61G
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 / 44 series
Selected total353.37M
1.6GAll-time
71.8MLast 30 days
2.7MLast 24 h
28.75/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0131.0%
26.1.0
68.6M downloadsDownloads68.6M31.0% - 0212.7%
25.3.0
28.1M downloadsDownloads28.1M12.7% - 0311.1%
24.1.3
24.7M downloadsDownloads24.7M11.1% - 047.6%
24.1.2
16.7M downloadsDownloads16.7M7.6% - 056.9%
25.1.1
15.2M downloadsDownloads15.2M6.9% - 065.9%
24.1.0
13.0M downloadsDownloads13.0M5.9% - 075.5%
25.2.0
12.3M downloadsDownloads12.3M5.5% - 085.2%
23.2.3
11.6M downloadsDownloads11.6M5.2% - 0914.1%
Other
31.3M downloadsDownloads31.3M14.1%
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Thirteen recent days of cattrs downloads. Drag the green handle on the right to guess where day fourteen lands.