Add tox configuration and Github action for linting.

.github/workflows/linters.yml

@@ -0,0 +1,24 @@
+name: linters
+
+on: [push]
+
+jobs:
+  checks:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.8]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install tox
+    - name: Test with tox
+      run: tox -e py38-lint

.gitignore

@@ -1,2 +1,3 @@
 .mypy_cache
-__pycache__
+__pycache__
+.tox

setup.cfg

@@ -7,4 +7,18 @@ extend-ignore =
 
 [mypy]
 warn_return_any = True
-warn_unused_configs = True
+warn_unused_configs = True
+
+[tox:tox]
+skipsdist = true
+envlist = py38-lint
+
+[testenv:py36-lint]
+skip_install = true
+deps =
+    black
+    flake8
+    flake8-black
+commands =
+    black --check --diff setup.py deel tests
+    flake8 deel tests

steam_utils.py

@@ -27,7 +27,9 @@ class LibraryFolder:
         self.games = []
         for filename in os.listdir(os.path.join(path, "steamapps")):
             if filename.startswith("appmanifest"):
-                with open(os.path.join(path, "steamapps", filename), "r", encoding="utf-8") as fp:
+                with open(
+                    os.path.join(path, "steamapps", filename), "r", encoding="utf-8"
+                ) as fp:
                     i, n = None, None
                     for line in fp:
                         line = line.strip()