Fix CI (#1108)

* Fix CI

* Fix CI

* Fix CI

* Fix CI

* APply black

* APply black

* Fix mypy

* Fix mypy errors in django-stubs

* Fix format

* Fix plugin

* Do not patch builtins by default

* Fix mypy

* Only run mypy on 3.10 for now

* Only run mypy on 3.10 for now

* WHAT THE HELL

* Enable strict mode in mypy

* Enable strict mode in mypy

* Fix tests

* Fix tests

* Debug

* Debug

* Fix tests

* Fix tests

* Add TYPE_CHECKING debug

* Caching maybe?

* Caching maybe?

* Try explicit `${{ matrix.python-version }}`

* Remove debug

* Fix typing

* Finally

.github/workflows/test.yml

@@ -27,11 +27,40 @@ jobs:
       - name: Run pre-commit
         run: pre-commit install && pre-commit run --all-files
 
+  mypy-self-check:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.7', '3.8', '3.9', '3.10']
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          pip install -U pip setuptools wheel
+          pip install -r ./requirements.txt
+
+      - name: Run mypy on plugin code
+        run: mypy --strict mypy_django_plugin
+
+      - name: Run mypy on ext code
+        run: mypy --strict django_stubs_ext
+      - name: Run mypy on scripts and utils
+        run: mypy --strict scripts
+      # TODO: run this check on versions, not only 3.10
+      - name: Run mypy on stubs
+        if: ${{ matrix.python-version }} == '3.10'
+        run: |
+          mypy --cache-dir=/dev/null --no-incremental django-stubs
+
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8']
+        python-version: ['3.9']
     steps:
       - uses: actions/checkout@v3
       - name: Setup system dependencies
@@ -46,7 +75,7 @@ jobs:
           pip install -r ./requirements.txt
 
       - name: Run tests
-        run: pytest --mypy-ini-file=mypy.ini
+        run: PYTHONPATH='.' pytest
 
   typecheck:
     runs-on: ubuntu-latest