cattrs
Composable complex class support for attrs and dataclasses.
cattrs has been downloaded 1,738,760,340 times in total on PyPI, including 35,969,011 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
1.74G
LicenseMIT
AuthorTin Tvrtkovic
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal26.*25.*
Range
View
Granularity
Group by
CI traffic
Stack: OffCI: Included3 / 45 series
Selected total245.87M
1.7GAll-time
36.0MLast 30 days
1.5MLast 24 h
14.19/sPer second
Sponsored
Sponsorships keep pepy free to read
Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0131.6%
26.1.0
45.2M downloadsDownloads45.2M31.6% - 0210.8%
25.3.0
15.4M downloadsDownloads15.4M10.8% - 038.8%
24.1.3
12.5M downloadsDownloads12.5M8.8% - 048.2%
26.2.1
11.7M downloadsDownloads11.7M8.2% - 056.9%
26.2.0
9.9M downloadsDownloads9.9M6.9% - 065.1%
24.1.2
7.3M downloadsDownloads7.3M5.1% - 075.1%
25.1.1
7.3M downloadsDownloads7.3M5.1% - 084.3%
25.2.0
6.2M downloadsDownloads6.2M4.3% - 0919.3%
Other
27.6M downloadsDownloads27.6M19.3%
Guess the next day
Thirteen recent days of cattrs downloads. Drag the green handle on the right to guess where day fourteen lands.