Merge pull request #445 from misl6/add-flake8

Add flake8

.github/workflows/kivy_ios.yml

@@ -3,6 +3,22 @@ name: kivy-ios
 on: [push, pull_request]
 
 jobs:
+  flake8:
+    name: Flake8 tests
+    runs-on: macos-latest
+    steps:
+    - name: Checkout kivy-ios
+      uses: actions/checkout@v2
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1.1.0
+      with:
+        python-version: 3.7
+    - name: Run flake8
+      run: |
+        python -m pip install --upgrade pip
+        pip install tox>=2.0
+        tox -e pep8
+
   build_updated_recipes:
     runs-on: macos-latest
     steps:

tox.ini

@@ -0,0 +1,24 @@
+[tox]
+skipsdist = True
+envlist = pep8
+basepython = python3
+
+[testenv]
+deps = -r{toxinidir}/requirements.txt
+setenv =
+    PYTHONPATH={toxinidir}
+
+[testenv:pep8]
+deps = flake8
+commands = flake8 recipes/ tools/ tests/ .ci/ toolchain.py
+
+[flake8]
+ignore =
+    E123,  # Closing bracket does not match indentation of opening bracket's line
+    E124,  # Closing bracket does not match visual indentation
+    E126,  # Continuation line over-indented for hanging indent
+    E226,  # Missing whitespace around arithmetic operator
+    E402,  # Module level import not at top of file
+    E501,  # Line too long (82 > 79 characters)
+    W503,  # Line break occurred before a binary operator
+    W504   # Line break occurred after a binary operator