switching from project.optional-dependencies to dependency-groups

README.md

@@ -330,10 +330,10 @@ Tests are automatically setup to run on GitHub when you push changes to your rep
 
 You may also run your tests locally with [pytest](https://docs.pytest.org/en/7.1.x/).
 You'll need to make sure that your package is installed in your environment,
-along with testing requirements (specified in the pyproject.toml `project.optional-dependencies` section):
+along with testing requirements (specified in the pyproject.toml `[dependency-groups]` section):
 
 ```bash
-pip install -e ".[testing]"
+pip install -e ". --dependency-groups=testing"
 pytest
 ```
 

template/pyproject.toml.jinja

@@ -51,6 +51,8 @@ dependencies = [
 # Allow easily installation with the full, default napari installation
 # (including Qt backend) using {{plugin_name}}[all].
 all = ["napari[all]"]
+
+[dependency-groups]
 testing = [
     "tox",
     "pytest",  # https://docs.pytest.org/en/latest/contents.html

template/tox.ini.jinja

@@ -28,6 +28,6 @@ passenv =
     XAUTHORITY
     NUMPY_EXPERIMENTAL_ARRAY_FUNCTION
     PYVISTA_OFF_SCREEN
-extras =
+dependency_groups =
     testing
 commands = pytest -v --color=yes --cov={{module_name}} --cov-report=xml