chore: add mypy to the build

Author: bringhurst

.github/workflows/testing.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Code check
         run: tox -e ${TOX_VENV}
         env:
-          TOX_VENV: black,pep8
+          TOX_VENV: black,pep8,mypy
 
   test:
     needs: [validate]

mypy.ini

@@ -0,0 +1,226 @@
+[mypy]
+
+# For details on each flag, please see the mypy documentation at:
+# https://mypy.readthedocs.io/en/stable/config_file.html#config-file
+
+# Note: The order of flags listed here should match the order used in mypy's
+# documentation to make it easier to find the documentation for each flag.
+
+# Import Discovery
+ignore_missing_imports = false
+
+# Disallow dynamic typing
+disallow_any_unimported = true
+disallow_any_expr = true
+disallow_any_decorated = true
+disallow_any_explicit = true
+disallow_any_generics = true
+disallow_subclassing_any = true
+
+# Untyped definitions and calls
+disallow_untyped_calls = true
+disallow_untyped_defs = true
+disallow_incomplete_defs = true
+check_untyped_defs = true
+disallow_untyped_decorators = true
+
+# None and Optional handling
+implicit_optional = false
+strict_optional = true
+
+# Configuring warnings
+warn_redundant_casts = true
+warn_unused_ignores = true
+warn_no_return = true
+warn_return_any = true
+warn_unreachable = true
+
+# Miscellaneous strictness flags
+allow_untyped_globals = false
+allow_redefinition = false
+local_partial_types = true
+implicit_reexport = false
+strict_concatenate = true
+strict_equality = true
+strict = true
+
+# Configuring error messages
+show_error_context = true
+show_column_numbers = true
+hide_error_codes = false
+pretty = true
+color_output = true
+error_summary = true
+show_absolute_path = true
+
+# Miscellaneous
+warn_unused_configs = true
+verbosity = 0
+
+# FIXME: As type annotations are introduced, please remove the appropriate
+#        ignore_errors flag below. New modules should NOT be added here!
+
+[mypy-kazoo.client]
+ignore_errors = true
+
+[mypy-kazoo.exceptions]
+ignore_errors = true
+
+[mypy-kazoo.handlers.eventlet]
+ignore_errors = true
+
+[mypy-kazoo.handlers.gevent]
+ignore_errors = true
+
+[mypy-kazoo.handlers.threading]
+ignore_errors = true
+
+[mypy-kazoo.handlers.utils]
+ignore_errors = true
+
+[mypy-kazoo.hosts]
+ignore_errors = true
+
+[mypy-kazoo.interfaces]
+ignore_errors = true
+
+[mypy-kazoo.loggingsupport]
+ignore_errors = true
+
+[mypy-kazoo.protocol.connection]
+ignore_errors = true
+
+[mypy-kazoo.protocol.paths]
+ignore_errors = true
+
+[mypy-kazoo.protocol.serialization]
+ignore_errors = true
+
+[mypy-kazoo.protocol.states]
+ignore_errors = true
+
+[mypy-kazoo.recipe.barrier]
+ignore_errors = true
+
+[mypy-kazoo.recipe.cache]
+ignore_errors = true
+
+[mypy-kazoo.recipe.counter]
+ignore_errors = true
+
+[mypy-kazoo.recipe.election]
+ignore_errors = true
+
+[mypy-kazoo.recipe.lease]
+ignore_errors = true
+
+[mypy-kazoo.recipe.lock]
+ignore_errors = true
+
+[mypy-kazoo.recipe.partitioner]
+ignore_errors = true
+
+[mypy-kazoo.recipe.party]
+ignore_errors = true
+
+[mypy-kazoo.recipe.queue]
+ignore_errors = true
+
+[mypy-kazoo.recipe.watchers]
+ignore_errors = true
+
+[mypy-kazoo.retry]
+ignore_errors = true
+
+[mypy-kazoo.security]
+ignore_errors = true
+
+[mypy-kazoo.testing.common]
+ignore_errors = true
+
+[mypy-kazoo.testing.harness]
+ignore_errors = true
+
+[mypy-kazoo.tests.conftest]
+ignore_errors = true
+
+[mypy-kazoo.tests.test__connection]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_barrier]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_build]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_cache]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_client]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_counter]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_election]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_eventlet_handler]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_exceptions]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_gevent_handler]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_hosts]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_interrupt]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_lease]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_lock]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_partitioner]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_party]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_paths]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_queue]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_retry]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_sasl]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_security]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_selectors_select]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_threading_handler]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_utils]
+ignore_errors = true
+
+[mypy-kazoo.tests.test_watchers]
+ignore_errors = true
+
+[mypy-kazoo.tests.util]
+ignore_errors = true
+
+[mypy-kazoo.version]
+ignore_errors = true

setup.cfg

@@ -73,11 +73,14 @@ sasl =
 docs =
     Sphinx>=1.2.2
 
+typing =
+    mypy>=0.991
+
 alldeps =
     %(dev)s
     %(eventlet)s
     %(gevent)s
     %(sasl)s
     %(docs)s
-
+    %(typing)s
 

tox.ini

@@ -4,7 +4,7 @@ requires=
     virtualenv>=20.7.2
 skip_missing_interpreters=True
 envlist =
-    pep8,black,
+    pep8,black,mypy,
     gevent,eventlet,sasl,
     docs,
     pypy3
@@ -59,3 +59,11 @@ deps =
 usedevelop = True
 commands = black --check {posargs: {toxinidir}/kazoo {toxinidir}/kazoo}
 
+[testenv:mypy]
+basepython = python3
+extras = alldeps
+deps =
+    mypy
+    mypy: types-mock
+usedevelop = True
+commands = mypy --config-file {toxinidir}/mypy.ini {toxinidir}/kazoo