cattrs
Composable complex class support for attrs and dataclasses.
cattrs has been downloaded 1,715,094,928 times in total on PyPI, including 34,503,527 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
1.72G
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 / 46 series
Selected total278.32M
1.7GAll-time
34.5MLast 30 days
1.4MLast 24 h
13.80/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0134.8%
26.1.0
57.9M downloadsDownloads57.9M34.8% - 0210.5%
25.3.0
17.5M downloadsDownloads17.5M10.5% - 039.7%
24.1.3
16.1M downloadsDownloads16.1M9.7% - 046.0%
24.1.2
10.0M downloadsDownloads10.0M6.0% - 055.7%
25.1.1
9.5M downloadsDownloads9.5M5.7% - 065.5%
26.2.0
9.1M downloadsDownloads9.1M5.5% - 074.9%
24.1.0
8.1M downloadsDownloads8.1M4.9% - 084.8%
25.2.0
7.9M downloadsDownloads7.9M4.8% - 0918.2%
Other
30.3M downloadsDownloads30.3M18.2%
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Thirteen recent days of cattrs downloads. Drag the green handle on the right to guess where day fourteen lands.