cattrs
Composable complex class support for attrs and dataclasses.
cattrs has been downloaded 1,564,770,143 times in total on PyPI, including 72,553,758 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
1.56G
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 total349.03M
1.6GAll-time
72.6MLast 30 days
2.5MLast 24 h
26.59/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0128.7%
26.1.0
63.0M downloadsDownloads63.0M28.7% - 0214.5%
25.3.0
31.8M downloadsDownloads31.8M14.5% - 0311.3%
24.1.3
24.7M downloadsDownloads24.7M11.3% - 047.6%
24.1.2
16.8M downloadsDownloads16.8M7.6% - 057.0%
25.1.1
15.3M downloadsDownloads15.3M7.0% - 065.8%
24.1.0
12.7M downloadsDownloads12.7M5.8% - 075.6%
23.2.3
12.3M downloadsDownloads12.3M5.6% - 085.5%
25.2.0
12.1M downloadsDownloads12.1M5.5% - 0914.0%
Other
30.7M downloadsDownloads30.7M14.0%
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Thirteen recent days of cattrs downloads. Drag the green handle on the right to guess where day fourteen lands.