Fix dependency ranges and verify

.github/workflows/build.yml

@@ -32,3 +32,22 @@ jobs:
         run: make test
       - name: Lint
         run: make lint
+
+  deps:
+    runs-on: "ubuntu-latest"
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install
+        run: |
+          python -m pip install --upgrade pip pessimist
+          python -m pip install .
+      - name: Validate
+        run: |
+          make deps

makefile

@@ -30,6 +30,9 @@ test:
 	python -m coverage report
 	python -m mypy --install-types --non-interactive -p $(SRCS)
 
+deps:
+	python -m pessimist --requirements= -c 'python -m sphinx_mdinclude.tests' .
+
 html: .venv README.md docs/*.md docs/conf.py
 	source .venv/bin/activate && sphinx-build -b html docs html
 

pyproject.toml

@@ -16,7 +16,8 @@ readme = "README.md"
 requires-python = ">=3.6"
 dependencies = [
     "mistune >= 2.0",
-    "docutils >=0.15,<1.0",
+    "docutils >=0.16,<1.0",
+    "pygments >= 2.8",
 ]
 classifiers = [
     "Development Status :: 4 - Beta",

requirements-dev.txt

@@ -5,6 +5,7 @@ coverage==6.4.4; python_version >= "3.7"
 flake8==5.0.4
 flit==3.7.1
 mypy==0.971
+pessimist==0.9.3
 sphinx==4.3.1; python_version < "3.8"
 sphinx==5.1.1; python_version >= "3.8"
 ufmt==2.0.0