Add static type checking using mypy (Adversarial-Deep-Learning#86)

Co-authored-by: Somesh Kumar Singh <f20180175@goa.bits-pilani.ac.in>

.github/workflows/mypy.yml

@@ -0,0 +1,32 @@
+# 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: Static Typing
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  typing:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.8]
+
+    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 --upgrade pip
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Enforce typing
+      run: |
+        mypy --config-file mypy.ini

mypy.ini

@@ -0,0 +1,30 @@
+[mypy]
+files = code_soup
+pretty = True
+show_error_codes = True
+
+check_untyped_defs = True
+disallow_incomplete_defs = True
+disallow_subclassing_any = True
+disallow_untyped_decorators = True
+disallow_untyped_defs = True
+no_implicit_optional = True
+strict_equality = True
+warn_redundant_casts = True
+warn_unused_configs = True
+warn_unused_ignores = True
+
+[mypy-numpy.*]
+ignore_missing_imports = True
+
+[mypy-torchvision.*]
+ignore_missing_imports = True
+
+[mypy-scipy.*]
+ignore_missing_imports = True
+
+[mypy-cv2.*]
+ignore_missing_imports = True
+
+[mypy-PIL.*]
+ignore_missing_imports = True

requirements.txt

@@ -5,3 +5,4 @@ torchvision==0.10.0
 parameterized==0.8.1
 scipy==1.6.2
 opencv-python==4.5.3.56
+mypy==0.910