Add coverage support and pytest-flake8 integration

Author: wdv4758h

pytest.ini

@@ -1,2 +1,6 @@
 [pytest]
-addopts = --doctest-modules everywhere tests
+addopts = --flake8 -v --cov everywhere --cov-report html --cov-report term --doctest-modules everywhere tests
+flake8-ignore =
+    everywhere/__init__.py F401
+
+    # F401 - module imported but unused

setup.py

@@ -14,7 +14,10 @@
     author_email='[email protected]',
     description=('A template project for Python'),
     license='BSD',
-    setup_requires=['pytest-runner', 'flake8', 'mypy-lang'],
+    setup_requires=['pytest-runner',
+                    'coverage', 'pytest-cov',
+                    'flake8', 'pytest-flake8',
+                    'mypy-lang'],
     tests_require=['pytest'],
     install_requires=requires,
     packages=find_packages(exclude=exclude_from_packages),