Remove requirements_dev.txt, minimum

.devcontainer/devcontainer.json

@@ -4,9 +4,10 @@
 	"features": {
 		"ghcr.io/rocker-org/devcontainer-features/apt-packages:1": {
 			"packages": "musescore3,lilypond"
-		}
+		},
+		"ghcr.io/va-h/devcontainers-features/uv:1": {}
 	},
-	"postCreateCommand": "pip3 install --user -r requirements_dev.txt;pip3 install --user -e .",
+	"postCreateCommand": "uv sync --locked",
 	"customizations": {
 		"vscode": {
 			"extensions": [

documentation/source/developerReference/developerGuidelines.ipynb

@@ -52,7 +52,7 @@
   },
   {
    "cell_type": "markdown",
-   "source": "## Preparing to Contribute ##\n\nThe recommended setup uses [uv](https://docs.astral.sh/uv/). From the repository root:\n\n```\nuv sync\n```\n\nThis creates a virtual environment in `.venv/` and installs runtime dependencies plus the\n`dev` dependency group. The `dev` group self-references `music21[extras]`, so the optional\nextras (`scipy` and `python-Levenshtein`) are pulled in automatically -- the test suite will\nnot pass without them.\n\nIf you prefer pip, the equivalent is:\n\n```\npip install -r requirements_dev.txt\npip install -e '.[extras]'\n```",
+   "source": "## Preparing to Contribute ##\n\nThe recommended setup uses [uv](https://docs.astral.sh/uv/). From the repository root:\n\n```\nuv sync\n```\n\nThis creates a virtual environment in `.venv/` and installs runtime dependencies plus the\n`dev` dependency group. The `dev` group self-references `music21[extras]`, so the optional\nextras (`scipy` and `python-Levenshtein`) are pulled in automatically -- the test suite will\nnot pass without them.\n\nUsers who have not yet adopted `uv` may still install runtime dependencies via\n`pip install -r requirements.txt`, but the development workflow (tests, linting, docs,\ntype-checking) is only supported through `uv`.",
    "metadata": {
     "collapsed": false
    }

requirements.txt

@@ -4,5 +4,5 @@ jsonpickle
 matplotlib
 more_itertools
 numpy>=1.26.4
-webcolors>=1.5
 requests
+webcolors>=1.5