Bring in some of the good CI changes from #411

1 files changed, 20 insertions, 0 deletions

diff --git a/.github/workflows/lint-python.yaml b/.github/workflows/lint-python.yaml
new file mode 100644
index 00000000..c6b16467
--- /dev/null
+++ b/.github/workflows/lint-python.yaml
@@ -0,0 +1,20 @@
+on: [push, pull_request]
+name: Lint Python and Find Syntax Errors
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    container:
+      image: archlinux:latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: pacman --noconfirm -Syu python python-pip mypy
+      - run: python -m pip install --upgrade pip
+      - run: pip install flake8 pytest black-but-with-tabs-instead-of-spaces
+      - name: Lint with flake8
+        run: |
+          # stop the build if there are Python syntax errors
+          flake8 . --count --select=E9,F63,F7 --show-source --statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+      - name: run mypy
+        run: mypy . --ignore-missing-imports