Put dev dependencies to pyproject.toml and auto-generate requirements…

…-dev.txt

.github/workflows/autofix.yml

@@ -30,6 +30,17 @@ jobs:
     - run: python3 -m pyupgrade $(cat filelist.txt) --keep-runtime-typing --py38-plus --exit-zero-even-if-changed
     - run: python3 -m black $(cat filelist.txt)
     - run: python3 -m isort $(cat filelist.txt)
+    # I like requirements-dev.txt and some other people like pyproject.toml, so we have both.
+    # Auto-generating is the easiest way to ensure the two stay in sync.
+    - run: |
+        echo "# Auto-generated in GitHub Actions. See autofix.yml." > pr/requirements-dev.txt
+        python3 -c 'if True:
+          import tomli
+          with open("pr/pyproject.toml", "rb") as f:
+            content = tomli.load(f)
+          for dep in content["project"]["optional-dependencies"]["dev"]:
+            print(dep)
+        ' >> pr/requirements-dev.txt
     - uses: stefanzweifel/git-auto-commit-action@v4
       with:
         repository: ./pr

pyproject.toml

@@ -44,6 +44,33 @@ dependencies = [
     "sv-ttk>=2.5.5",
 ]
 
+[project.optional-dependencies]
+dev = [
+    "pytest==6.2.5",
+    "pytest-cov==4.0.0",
+    "pytest-mock==3.10.0",
+    "pycln==2.1.3",
+    "black==23.1.0",
+    "isort==5.12.0",
+    "pyupgrade==3.9.0",
+    "sphinx>=4.0.0, <5.0.0",
+    "pillow>=5.4.1",
+    "requests>=2.24.0, <3.0.0",
+
+    # type checking, exact versions to avoid "works on my computer" problems
+    "mypy==1.1.1",
+    "types-Pygments==2.14.0.6",
+    "types-docutils==0.19.1.6",
+    "types-Send2Trash==1.8.2.4",
+    "types-setuptools==67.6.0.5",
+    "types-colorama==0.4.15.8",
+    "types-toposort==1.10.0.0",
+    "types-psutil==5.9.5.10",
+    "types-PyYAML==6.0.12.8",
+    "types-tree-sitter==0.20.1.2",
+    "types-tree-sitter-languages==1.5.0.2",
+]
+
 [project.scripts]
 porcu = "porcupine.__main__:main"
 porcupine = "porcupine.__main__:main"