create an optional dependency group for wk-libs examples

Author: hotzenklotz

.github/workflows/ci.yml

@@ -163,7 +163,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -r ../requirements.txt
-          poetry install --extras all
+          poetry install --extras all --with examples
 
       - name: Check formatting
         if: ${{ matrix.group == 1 && matrix.python-version == '3.11' }}

webknossos/README.md

@@ -37,6 +37,7 @@ pip install webknossos
 
 ## Examples
 See the [examples folder](examples) or the [the documentation](https://docs.webknossos.org/webknossos-py).
+The dependencies for the examples are not installed by default. Use `poetry install --with examples` to install them.
 
 ## Contributions & Development
 Please see the [respective documentation page](https://docs.webknossos.org/webknossos-py/development.html).

webknossos/pyproject.toml

@@ -46,8 +46,6 @@ psutil = "^5.6.7"
 python-dateutil = "^2.8.0"
 python-dotenv = "^0.19.0"
 rich = "^10.9.0"
-scikit-image = "^0.21.0"
-scikit-learn = "^1.0.1"
 scipy = "^1.9.0"
 typer = {extras = ["all"], version = "^0.9.0"}
 typing-extensions = "^4.0"
@@ -73,7 +71,8 @@ bioformats = ["pims","JPype1"]
 czi = ["pims","pylibCZIrw"]
 all = ["pims","tifffile","imagecodecs","JPype1","pylibCZIrw"]
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
+optional = true
 dask = { version = "^2023.9.1", python = ">=3.9", extras = ["distributed"] }
 hypothesis = "^6.35.0"
 icecream = "^2.1.1"
@@ -90,12 +89,17 @@ pytest-timeout = "^2.1.0"
 pytest-timestamper = "^0.0.9"
 types-python-dateutil = "^0.1.6"
 ruff = "^0.3.2"
+
+[tool.poetry.group.examples.dependencies]
 # packages for examples:
+optional = true
 fastremap = "^1.13.3"
 pandas = "^1.3.4"
 pooch = "^1.5.2"
 s3fs = "^2023.9.0"
 tabulate = "^0.8.9"
+scikit-learn = "^1.0.1"
+scikit-image = "^0.21.0"
 
 [[tool.poetry.source]]
 name = "PyPI"