Merge pull request #56 from dbt-labs/use_gh_actions

.github/workflows/main.yml

@@ -0,0 +1,67 @@
+# **what**: linting (black, mypy) and testing (pytest) workflows for Hologram
+# **why**: to ensure that the code is formatted correctly and that it passes all tests
+# **when**: on every push to main and every pull request
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.9
+
+    - name: Install dependencies
+      run: |
+        python -m venv venv
+        source venv/bin/activate
+        pip install . black mypy
+
+    - name: Check code formatting
+      run: |
+        source venv/bin/activate
+        black --check hologram/ tests/
+
+    - name: Run mypy
+      run: |
+        source venv/bin/activate
+        mypy hologram --ignore-missing-imports
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+
+    steps:
+    - name: Checkout repository
+      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: |
+        python -m venv venv
+        source venv/bin/activate
+        pip install . pytest
+
+    - name: Run tests
+      run: |
+        source venv/bin/activate
+        pytest

hologram/__init__.py

@@ -381,7 +381,6 @@ def encoder(ft, val, o):
                 # TODO: is there some way to set __args__ on this so it can
                 # just re-use Dict/Mapping?
                 def encoder(ft, val, o):
-
                     return {
                         cls._encode_field(str, k, o): cls._encode_field(
                             ft.TARGET_TYPE, v, o
@@ -740,7 +739,6 @@ def _get_schema_for_type(
         required: bool = True,
         restrictions: Optional[List[Any]] = None,
     ) -> Tuple[JsonDict, bool]:
-
         field_schema: JsonDict = {"type": "object"}
 
         type_name = cls._get_field_type_name(target)