diff --git a/homeassistant/config.py b/homeassistant/config.py
index 48632ccab837239391b01c61f0b3d2708b1f43ff..2afa943ee506888b80e068d87f2b2d1aa84aa968 100644
--- a/homeassistant/config.py
+++ b/homeassistant/config.py
@@ -171,7 +171,8 @@ def get_default_config_dir() -> str:
return os.path.join(data_dir, CONFIG_DIR_NAME) # type: ignore
-def ensure_config_exists(config_dir: str, detect_location: bool = True) -> str:
+def ensure_config_exists(config_dir: str, detect_location: bool = True)\
+ -> Optional[str]:
"""Ensure a configuration file exists in given configuration directory.
Creating a default one if needed.
@@ -187,7 +188,8 @@ def ensure_config_exists(config_dir: str, detect_location: bool = True) -> str:
return config_path
-def create_default_config(config_dir, detect_location=True):
+def create_default_config(config_dir: str, detect_location=True)\
+ -> Optional[str]:
"""Create a default configuration file in given configuration directory.
Return path to new config file if success, None if failed.
@@ -286,11 +288,8 @@ async def async_hass_config_yaml(hass):
return conf
-def find_config_file(config_dir):
- """Look in given directory for supported configuration files.
-
- Async friendly.
- """
+def find_config_file(config_dir: str) -> Optional[str]:
+ """Look in given directory for supported configuration files."""
config_path = os.path.join(config_dir, YAML_CONFIG_FILE)
return config_path if os.path.isfile(config_path) else None
diff --git a/homeassistant/core.py b/homeassistant/core.py
index c7aa04910bd758d3888e6e561230d089acc39927..8b534bf173154f7032b6dab91628da4b3e4d7a27 100644
--- a/homeassistant/core.py
+++ b/homeassistant/core.py
@@ -106,7 +106,7 @@ class CoreState(enum.Enum):
def __str__(self) -> str:
"""Return the event."""
- return self.value
+ return self.value # type: ignore
class HomeAssistant(object):
@@ -137,7 +137,7 @@ class HomeAssistant(object):
# This is a dictionary that any component can store any data on.
self.data = {}
self.state = CoreState.not_running
- self.exit_code = None
+ self.exit_code = 0 # type: int
self.config_entries = None
@property
@@ -239,7 +239,7 @@ class HomeAssistant(object):
target: target to call.
"""
- task = self.loop.create_task(target)
+ task = self.loop.create_task(target) # type: asyncio.tasks.Task
if self._track_task:
self._pending_tasks.append(task)
@@ -252,7 +252,8 @@ class HomeAssistant(object):
target: Callable[..., Any],
*args: Any) -> asyncio.Future:
"""Add an executor job from within the event loop."""
- task = self.loop.run_in_executor(None, target, *args)
+ task = self.loop.run_in_executor(
+ None, target, *args) # type: asyncio.Future
# If a task is scheduled
if self._track_task:
@@ -307,7 +308,7 @@ class HomeAssistant(object):
"""Stop Home Assistant and shuts down all threads."""
fire_coroutine_threadsafe(self.async_stop(), self.loop)
- async def async_stop(self, exit_code=0) -> None:
+ async def async_stop(self, exit_code: int = 0) -> None:
"""Stop Home Assistant and shuts down all threads.
This method is a coroutine.
diff --git a/homeassistant/loader.py b/homeassistant/loader.py
index b22271d6eb532c59efc04cca7ca735fdfe148d50..52e6b1e770353be011b5494241d20a52a4434084 100644
--- a/homeassistant/loader.py
+++ b/homeassistant/loader.py
@@ -67,7 +67,7 @@ def get_component(hass, comp_or_platform) -> Optional[ModuleType]:
Async friendly.
"""
try:
- return hass.data[DATA_KEY][comp_or_platform]
+ return hass.data[DATA_KEY][comp_or_platform] # type: ignore
except KeyError:
pass
diff --git a/homeassistant/remote.py b/homeassistant/remote.py
index b3e5f417618497d0c2053308000c83aad653247d..ae932b7d9554a69136c8d016938c16fd8b69f121 100644
--- a/homeassistant/remote.py
+++ b/homeassistant/remote.py
@@ -38,7 +38,7 @@ class APIStatus(enum.Enum):
def __str__(self) -> str:
"""Return the state."""
- return self.value
+ return self.value # type: ignore
class API(object):
diff --git a/homeassistant/setup.py b/homeassistant/setup.py
index 5398cfde96311ec2368056d94ad77c9fe7090884..478320dca278a72887f24ede24a098ed71ddfb57 100644
--- a/homeassistant/setup.py
+++ b/homeassistant/setup.py
@@ -26,7 +26,7 @@ SLOW_SETUP_WARNING = 10
def setup_component(hass: core.HomeAssistant, domain: str,
config: Optional[Dict] = None) -> bool:
"""Set up a component and all its dependencies."""
- return run_coroutine_threadsafe(
+ return run_coroutine_threadsafe( # type: ignore
async_setup_component(hass, domain, config), loop=hass.loop).result()
@@ -42,7 +42,7 @@ async def async_setup_component(hass: core.HomeAssistant, domain: str,
setup_tasks = hass.data.get(DATA_SETUP)
if setup_tasks is not None and domain in setup_tasks:
- return await setup_tasks[domain]
+ return await setup_tasks[domain] # type: ignore
if config is None:
config = {}
@@ -53,7 +53,7 @@ async def async_setup_component(hass: core.HomeAssistant, domain: str,
task = setup_tasks[domain] = hass.async_create_task(
_async_setup_component(hass, domain, config))
- return await task
+ return await task # type: ignore
async def _async_process_dependencies(hass, config, name, dependencies):
diff --git a/homeassistant/util/json.py b/homeassistant/util/json.py
index 74feb779dcd4cb58d5769d794211ecc8d8f51e44..1029e58c1186c7cc999bdc9c0a4c511dadf9f759 100644
--- a/homeassistant/util/json.py
+++ b/homeassistant/util/json.py
@@ -25,7 +25,7 @@ def load_json(filename: str, default: Union[List, Dict, None] = None) \
"""
try:
with open(filename, encoding='utf-8') as fdesc:
- return json.loads(fdesc.read())
+ return json.loads(fdesc.read()) # type: ignore
except FileNotFoundError:
# This is not a fatal error
_LOGGER.debug('JSON file not found: %s', filename)
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 0000000000000000000000000000000000000000..3970ea72d471a7c26162a3b295b264ff03d94ab9
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,11 @@
+[mypy]
+warn_redundant_casts = true
+warn_unused_configs = true
+ignore_missing_imports = true
+follow_imports = silent
+warn_unused_ignores = true
+warn_return_any = true
+
+[mypy-homeassistant.util.yaml]
+warn_return_any = false
+
diff --git a/tox.ini b/tox.ini
index 6e22f2a5e957571474191e3c41e3bbe392e70673..fb36ac6511a8e42a114a47e1978435c0424922b4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,4 +42,4 @@ whitelist_externals=/bin/bash
deps =
-r{toxinidir}/requirements_test.txt
commands =
- /bin/bash -c 'mypy --ignore-missing-imports --follow-imports=silent --strict-optional --warn-unused-ignores homeassistant/*.py homeassistant/util/'
+ /bin/bash -c 'mypy homeassistant/*.py homeassistant/util/'