Add PEP 484 annotation stubs. See pygobject#99

.appveyor/msys2.sh

@@ -5,6 +5,7 @@ pacman --noconfirm -Suy
 pacman --noconfirm -S --needed mingw-w64-$MSYS2_ARCH-cairo \
     mingw-w64-$MSYS2_ARCH-$PYTHON mingw-w64-$MSYS2_ARCH-$PYTHON-pip
 $PYTHON -m pip install pytest coverage codecov hypothesis
+$PYTHON -m pip install mypy || true
 
 export CFLAGS="-std=c90 -Wall -Wno-long-long -Werror -coverage"
 $PYTHON -m coverage run --branch setup.py test

.gitignore

@@ -21,6 +21,9 @@ dist
 .hypothesis
 *.pyd
 *.dll
+.mypy_cache
+.pytest_cache
+.idea
 
 # image files
 *.pdf

.travis.yml

@@ -60,6 +60,7 @@ install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then source ../venv/bin/activate; fi
   - python -m pip install --upgrade setuptools
   - python -m pip install --upgrade pytest flake8 sphinx sphinx_rtd_theme coverage codecov hypothesis
+  - python -m pip install --upgrade mypy || true
   - if [[ "$TRAVIS_PYTHON_VERSION" != "3.3" ]] && [[ "${TRAVIS_PYTHON_VERSION:0:4}" != "pypy" ]]; then python -m pip install --upgrade pygame; fi
 
 script: