Add packaging with poetry

setup.cfg → .flake8

@@ -1,6 +1,3 @@
-[pycodestyle]
-max-line-length = 160
-
 [flake8]
 max-line-length = 160
 # E203: flake8 and black disagree on array slices see https://github.com/psf/black/issues/1859

.github/workflows/build.yaml

@@ -0,0 +1,31 @@
+name: Package Build
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  build:
+    name: Package building
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.9', 'pypy3.9']
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.9
+      - name: Install poetry
+        run: pip install poetry
+      - name: Run build
+        run: poetry build
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: Artifacts
+          path: dist
+          if-no-files-found: error

.pre-commit-config.yaml

@@ -1,7 +1,7 @@
 ---
 repos:
   - repo: https://github.com/python/black.git
-    rev: 22.3.0
+    rev: 22.10.0
     hooks:
       - id: black
         name: black (python3)
@@ -14,3 +14,7 @@ repos:
         name: isort (python3)
         language_version: python3
         args: ["--check", "--profile=black"]
+  - repo: https://github.com/pycqa/flake8
+    rev: '5.0.4'
+    hooks:
+    -   id: flake8