Add pyright

Underlying typechecker of pylance

Author: ben-edna

.devcontainer/Dockerfile

@@ -15,6 +15,8 @@ RUN useradd -m dev && chown -R dev:dev /workspaces/dfetch
 USER dev
 
 ENV PATH="/home/dev/.local/bin:${PATH}"
+ENV PYTHONPATH="/home/dev/.local/lib/python3.12"
+ENV PYTHONUSERBASE="/home/dev/.local"
 
 COPY --chown=dev:dev . .
 

.github/workflows/test.yml

@@ -36,6 +36,7 @@ jobs:
       - run: pylint dfetch                                             # Checks pep8 conformance
       - run: ruff check dfetch                                         # Check using ruff
       - run: mypy --strict dfetch                                      # Check types
+      - run: pyright .                                                 # Check types
       - run: doc8 doc                                                  # Checks documentation
       - run: pydocstyle dfetch                                         # Checks doc strings
       - run: bandit -r dfetch                                          # Checks security issues

.pre-commit-config.yaml

@@ -107,3 +107,9 @@ repos:
         language: python
         args: [check]
         types: [file, python]
+    -   id: pyright
+        name: pyright
+        description: Lint using pyright
+        entry: pyright
+        language: python
+        types: [file, python]

pyproject.toml

@@ -87,6 +87,7 @@ development = [
     "tomli; python_version < '3.11'", # Tomllib is default in 3.11, required for letting codespell read the pyproject.toml
     'pre-commit==4.1.0',
     'ruff==0.9.6',
+    'pyright==1.1.394',
 ]
 docs = [
     'sphinx==8.2.0',
@@ -160,3 +161,7 @@ skip = "*.cast,./venv,**/plantuml-c4/**,./example,.mypy_cache,./doc/_build/**,./
 
 [tool.ruff.lint.per-file-ignores]
 "features/steps/*" = ["F811"]
+
+[tool.pyright]
+exclude = ["doc/static/uml/generate_diagram.py"]
+strict = ["dfetch"]