Replace dependency on attrs

.github/workflows/python-package.yml

@@ -12,12 +12,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.9, '3.10', 3.11, 3.12]
+        python-version: [3.9, '3.10', 3.11, 3.12, 3.13, 3.14]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

CHANGES.md

@@ -1,5 +1,17 @@
 # Changes
 
+## 4.0
+
+- Removed dependence on `attrs` and `python-dateutil`.
+- Removed deprecated functionality.
+
+
+### Breaking changes
+
+Due to removing dependence on `attrs`, some previously `attr.s` decorated classes are now simple
+dataclasses. Thus, subclassing them may break or behave differently than before.
+
+
 ## 3.24.4
 
 - Fixed bug introduced by supporting escaped brackets in markdown link labels ...

RELEASING.md

@@ -13,6 +13,11 @@ tox -r
 ```shell
 flake8 src/clldutils
 ```
+- 
+- Make sure pylint passes with a score of 10:
+```shell
+pylint src/clldutils
+```
 
 - Make sure the docs render:
   ```shell

docs/index.rst

@@ -21,7 +21,6 @@ Follow the links below for documentation of the clldutils Python API.
    :caption: Contents:
 
    apilib
-   attrlib
    clilib
    color
    coordinates