cattrs
Composable complex class support for attrs and dataclasses.
cattrs has been downloaded 1,664,209,418 times in total on PyPI, including 74,163,584 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
1.66G
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 total356.48M
1.7GAll-time
74.2MLast 30 days
2.6MLast 24 h
26.90/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0134.1%
26.1.0
74.8M downloadsDownloads74.8M34.1% - 0210.9%
24.1.3
23.9M downloadsDownloads23.9M10.9% - 0310.8%
25.3.0
23.8M downloadsDownloads23.8M10.8% - 047.3%
24.1.2
16.0M downloadsDownloads16.0M7.3% - 056.6%
25.1.1
14.5M downloadsDownloads14.5M6.6% - 065.8%
24.1.0
12.8M downloadsDownloads12.8M5.8% - 075.5%
25.2.0
12.1M downloadsDownloads12.1M5.5% - 084.8%
23.2.3
10.6M downloadsDownloads10.6M4.8% - 0914.2%
Other
31.2M downloadsDownloads31.2M14.2%
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Thirteen recent days of cattrs downloads. Drag the green handle on the right to guess where day fourteen lands.