Pipeline: add github workflows (#1)

Tooling: add github actions

* Add github actions to run pytest / flake8 / black
* Use clickhouse:20.6 (tests fail with 21.x, 20.8)
* Keep black away from pypy

.github/workflows/python-package.yml

@@ -0,0 +1,63 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Python package
+
+on:
+  push:
+    branches: [ develop ]
+  pull_request:
+    branches: [ develop ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # Lint on smallest and largest active versions
+        python-version: [3.6, 3.9]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install poetry
+        poetry install
+    - name: Lint with flake8
+      run: |
+        poetry run flake8 clickhouse_orm/
+        cd tests && poetry run flake8
+    - name: Check formatting with black
+      run: |
+        poetry run black --line-length 120 --check clickhouse_orm/ tests/
+
+  test:
+    runs-on: ubuntu-latest
+    services:
+      clickhouse:
+        image: yandex/clickhouse-server:20.6
+        ports:
+          - 8123:8123
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9, pypy3]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install poetry
+        poetry install
+    - name: Test with pytest
+      run: |
+        poetry run pytest

pyproject.toml

@@ -40,7 +40,7 @@ flake8-bugbear = "^21.4.3"
 pep8-naming = "^0.12.0"
 pytest = "^6.2.4"
 flake8-isort = "^4.0.0"
-black = "^21.7b0"
+black = {version = "^21.7b0", markers = "platform_python_implementation == 'CPython'"}
 isort = "^5.9.2"
 freezegun = "^1.1.0"