From 8d61893c395a5841f06838a7117c6d74dc99f30f Mon Sep 17 00:00:00 2001
From: springstan <46536646+springstan@users.noreply.github.com>
Date: Wed, 8 Apr 2020 18:47:38 +0200
Subject: [PATCH] Use HTTP_OK constant (#33798)

* Use http ok constant

* Remove incorrect use

* Run isort

* Fix pylint by adding missing imports

* Fix pylint by fixing one import
---
 homeassistant/components/aftership/sensor.py       |  6 +++---
 homeassistant/components/alexa/auth.py             |  3 ++-
 homeassistant/components/api/__init__.py           |  3 ++-
 homeassistant/components/arest/binary_sensor.py    | 10 ++++++++--
 homeassistant/components/arest/sensor.py           |  3 ++-
 homeassistant/components/arest/switch.py           | 14 +++++++-------
 homeassistant/components/auth/__init__.py          |  7 ++++---
 homeassistant/components/bloomsky/__init__.py      |  4 ++--
 homeassistant/components/bluesound/media_player.py |  5 +++--
 homeassistant/components/buienradar/util.py        |  4 ++--
 homeassistant/components/clickatell/notify.py      |  4 ++--
 homeassistant/components/clicksend/notify.py       |  5 +++--
 homeassistant/components/clicksend_tts/notify.py   |  5 +++--
 homeassistant/components/cloud/client.py           |  3 ++-
 homeassistant/components/cloud/google_config.py    |  4 ++--
 homeassistant/components/cloud/http_api.py         |  3 ++-
 homeassistant/components/ddwrt/device_tracker.py   |  3 ++-
 homeassistant/components/doorbird/__init__.py      |  7 ++++---
 homeassistant/components/downloader/__init__.py    |  3 ++-
 .../components/dte_energy_bridge/sensor.py         |  4 ++--
 .../components/dublin_bus_transport/sensor.py      |  4 ++--
 homeassistant/components/emoncms/sensor.py         |  3 ++-
 .../components/emoncms_history/__init__.py         |  3 ++-
 homeassistant/components/facebook/notify.py        |  4 ++--
 homeassistant/components/flock/notify.py           |  4 ++--
 homeassistant/components/foursquare/__init__.py    |  4 ++--
 homeassistant/components/google_translate/tts.py   |  3 ++-
 homeassistant/components/hangouts/hangouts_bot.py  |  3 ++-
 homeassistant/components/hassio/auth.py            |  5 +++--
 homeassistant/components/hassio/handler.py         |  4 ++--
 homeassistant/components/haveibeenpwned/sensor.py  |  4 ++--
 .../components/hitron_coda/device_tracker.py       | 12 +++++++++---
 homeassistant/components/http/view.py              | 10 ++++++----
 homeassistant/components/ifttt/__init__.py         |  4 ++--
 homeassistant/components/lifx_cloud/scene.py       |  4 ++--
 .../components/linksys_smart/device_tracker.py     |  6 +++---
 .../components/llamalab_automate/notify.py         |  4 ++--
 homeassistant/components/lockitron/lock.py         |  8 ++++----
 homeassistant/components/london_air/sensor.py      |  3 ++-
 homeassistant/components/media_player/__init__.py  |  9 +++++----
 homeassistant/components/mobile_app/helpers.py     |  5 +++--
 homeassistant/components/mobile_app/notify.py      |  3 ++-
 homeassistant/components/nfandroidtv/notify.py     |  4 ++--
 homeassistant/components/nissan_leaf/__init__.py   |  4 ++--
 .../components/openalpr_cloud/image_processing.py  |  4 ++--
 .../components/openexchangerates/sensor.py         |  3 ++-
 homeassistant/components/prowl/notify.py           |  4 ++--
 homeassistant/components/pushsafer/notify.py       |  3 ++-
 homeassistant/components/rachio/config_flow.py     |  6 +++---
 homeassistant/components/rachio/device.py          |  6 +++---
 homeassistant/components/radarr/sensor.py          |  3 ++-
 homeassistant/components/rest/notify.py            |  3 ++-
 homeassistant/components/rest/switch.py            |  5 +++--
 homeassistant/components/rocketchat/notify.py      | 10 ++++++++--
 homeassistant/components/route53/__init__.py       |  4 ++--
 .../components/rss_feed_template/__init__.py       |  5 ++++-
 homeassistant/components/sigfox/sensor.py          |  4 ++--
 homeassistant/components/sky_hub/device_tracker.py |  4 ++--
 homeassistant/components/sonarr/sensor.py          |  3 ++-
 .../components/squeezebox/media_player.py          |  3 ++-
 homeassistant/components/startca/sensor.py         |  3 ++-
 homeassistant/components/synology_chat/notify.py   |  4 ++--
 homeassistant/components/tado/device_tracker.py    |  4 ++--
 homeassistant/components/teksavvy/sensor.py        |  3 ++-
 homeassistant/components/tomato/device_tracker.py  |  3 ++-
 homeassistant/components/traccar/__init__.py       |  2 +-
 homeassistant/components/tts/__init__.py           |  6 +++---
 homeassistant/components/twitter/notify.py         | 10 +++++-----
 homeassistant/components/ubus/device_tracker.py    |  4 ++--
 homeassistant/components/uk_transport/sensor.py    |  4 ++--
 homeassistant/components/viaggiatreno/sensor.py    |  4 ++--
 homeassistant/components/voicerss/tts.py           |  4 ++--
 homeassistant/components/volumio/media_player.py   |  3 ++-
 homeassistant/components/webhook/__init__.py       |  7 ++++---
 homeassistant/components/wsdot/sensor.py           |  3 ++-
 homeassistant/components/xiaomi/device_tracker.py  |  6 +++---
 homeassistant/components/yandextts/tts.py          |  4 ++--
 homeassistant/components/yr/sensor.py              |  3 ++-
 homeassistant/util/aiohttp.py                      |  4 +++-
 79 files changed, 214 insertions(+), 154 deletions(-)

diff --git a/homeassistant/components/aftership/sensor.py b/homeassistant/components/aftership/sensor.py
index 9e0d8939da4..83ab52499da 100644
--- a/homeassistant/components/aftership/sensor.py
+++ b/homeassistant/components/aftership/sensor.py
@@ -6,7 +6,7 @@ from pyaftership.tracker import Tracking
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import ATTR_ATTRIBUTION, CONF_API_KEY, CONF_NAME
+from homeassistant.const import ATTR_ATTRIBUTION, CONF_API_KEY, CONF_NAME, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
@@ -66,7 +66,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
 
     await aftership.get_trackings()
 
-    if not aftership.meta or aftership.meta["code"] != 200:
+    if not aftership.meta or aftership.meta["code"] != HTTP_OK:
         _LOGGER.error(
             "No tracking data found. Check API key is correct: %s", aftership.meta
         )
@@ -164,7 +164,7 @@ class AfterShipSensor(Entity):
         if not self.aftership.meta:
             _LOGGER.error("Unknown errors when querying")
             return
-        if self.aftership.meta["code"] != 200:
+        if self.aftership.meta["code"] != HTTP_OK:
             _LOGGER.error(
                 "Errors when querying AfterShip. %s", str(self.aftership.meta)
             )
diff --git a/homeassistant/components/alexa/auth.py b/homeassistant/components/alexa/auth.py
index 94789c33305..3b7984f56d3 100644
--- a/homeassistant/components/alexa/auth.py
+++ b/homeassistant/components/alexa/auth.py
@@ -7,6 +7,7 @@ import logging
 import aiohttp
 import async_timeout
 
+from homeassistant.const import HTTP_OK
 from homeassistant.core import callback
 from homeassistant.helpers import aiohttp_client
 from homeassistant.util import dt
@@ -118,7 +119,7 @@ class Auth:
         _LOGGER.debug("LWA response header: %s", response.headers)
         _LOGGER.debug("LWA response status: %s", response.status)
 
-        if response.status != 200:
+        if response.status != HTTP_OK:
             _LOGGER.error("Error calling LWA to get auth token.")
             return None
 
diff --git a/homeassistant/components/api/__init__.py b/homeassistant/components/api/__init__.py
index e11bc5e61f9..8d0cd44070c 100644
--- a/homeassistant/components/api/__init__.py
+++ b/homeassistant/components/api/__init__.py
@@ -17,6 +17,7 @@ from homeassistant.const import (
     HTTP_BAD_REQUEST,
     HTTP_CREATED,
     HTTP_NOT_FOUND,
+    HTTP_OK,
     MATCH_ALL,
     URL_API,
     URL_API_COMPONENTS,
@@ -250,7 +251,7 @@ class APIEntityStateView(HomeAssistantView):
         )
 
         # Read the state back for our response
-        status_code = HTTP_CREATED if is_new_state else 200
+        status_code = HTTP_CREATED if is_new_state else HTTP_OK
         resp = self.json(hass.states.get(entity_id), status_code)
 
         resp.headers.add("Location", f"/api/states/{entity_id}")
diff --git a/homeassistant/components/arest/binary_sensor.py b/homeassistant/components/arest/binary_sensor.py
index d84b79f1d4c..1b914f80aa7 100644
--- a/homeassistant/components/arest/binary_sensor.py
+++ b/homeassistant/components/arest/binary_sensor.py
@@ -10,7 +10,13 @@ from homeassistant.components.binary_sensor import (
     PLATFORM_SCHEMA,
     BinarySensorDevice,
 )
-from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME, CONF_PIN, CONF_RESOURCE
+from homeassistant.const import (
+    CONF_DEVICE_CLASS,
+    CONF_NAME,
+    CONF_PIN,
+    CONF_RESOURCE,
+    HTTP_OK,
+)
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
 
@@ -74,7 +80,7 @@ class ArestBinarySensor(BinarySensorDevice):
 
         if self._pin is not None:
             request = requests.get(f"{self._resource}/mode/{self._pin}/i", timeout=10)
-            if request.status_code != 200:
+            if request.status_code != HTTP_OK:
                 _LOGGER.error("Can't set mode of %s", self._resource)
 
     @property
diff --git a/homeassistant/components/arest/sensor.py b/homeassistant/components/arest/sensor.py
index b118422ef8c..638c0e2557a 100644
--- a/homeassistant/components/arest/sensor.py
+++ b/homeassistant/components/arest/sensor.py
@@ -12,6 +12,7 @@ from homeassistant.const import (
     CONF_RESOURCE,
     CONF_UNIT_OF_MEASUREMENT,
     CONF_VALUE_TEMPLATE,
+    HTTP_OK,
 )
 from homeassistant.exceptions import TemplateError
 import homeassistant.helpers.config_validation as cv
@@ -149,7 +150,7 @@ class ArestSensor(Entity):
 
         if self._pin is not None:
             request = requests.get(f"{self._resource}/mode/{self._pin}/i", timeout=10)
-            if request.status_code != 200:
+            if request.status_code != HTTP_OK:
                 _LOGGER.error("Can't set mode of %s", self._resource)
 
     @property
diff --git a/homeassistant/components/arest/switch.py b/homeassistant/components/arest/switch.py
index 298ac106dec..875211f5f0b 100644
--- a/homeassistant/components/arest/switch.py
+++ b/homeassistant/components/arest/switch.py
@@ -6,7 +6,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.switch import PLATFORM_SCHEMA, SwitchDevice
-from homeassistant.const import CONF_NAME, CONF_RESOURCE
+from homeassistant.const import CONF_NAME, CONF_RESOURCE, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -116,7 +116,7 @@ class ArestSwitchFunction(ArestSwitchBase):
 
         request = requests.get(f"{self._resource}/{self._func}", timeout=10)
 
-        if request.status_code != 200:
+        if request.status_code != HTTP_OK:
             _LOGGER.error("Can't find function")
             return
 
@@ -133,7 +133,7 @@ class ArestSwitchFunction(ArestSwitchBase):
             f"{self._resource}/{self._func}", timeout=10, params={"params": "1"}
         )
 
-        if request.status_code == 200:
+        if request.status_code == HTTP_OK:
             self._state = True
         else:
             _LOGGER.error("Can't turn on function %s at %s", self._func, self._resource)
@@ -144,7 +144,7 @@ class ArestSwitchFunction(ArestSwitchBase):
             f"{self._resource}/{self._func}", timeout=10, params={"params": "0"}
         )
 
-        if request.status_code == 200:
+        if request.status_code == HTTP_OK:
             self._state = False
         else:
             _LOGGER.error(
@@ -172,7 +172,7 @@ class ArestSwitchPin(ArestSwitchBase):
         self.invert = invert
 
         request = requests.get(f"{self._resource}/mode/{self._pin}/o", timeout=10)
-        if request.status_code != 200:
+        if request.status_code != HTTP_OK:
             _LOGGER.error("Can't set mode")
             self._available = False
 
@@ -182,7 +182,7 @@ class ArestSwitchPin(ArestSwitchBase):
         request = requests.get(
             f"{self._resource}/digital/{self._pin}/{turn_on_payload}", timeout=10
         )
-        if request.status_code == 200:
+        if request.status_code == HTTP_OK:
             self._state = True
         else:
             _LOGGER.error("Can't turn on pin %s at %s", self._pin, self._resource)
@@ -193,7 +193,7 @@ class ArestSwitchPin(ArestSwitchBase):
         request = requests.get(
             f"{self._resource}/digital/{self._pin}/{turn_off_payload}", timeout=10
         )
-        if request.status_code == 200:
+        if request.status_code == HTTP_OK:
             self._state = False
         else:
             _LOGGER.error("Can't turn off pin %s at %s", self._pin, self._resource)
diff --git a/homeassistant/components/auth/__init__.py b/homeassistant/components/auth/__init__.py
index 888ef98a582..6733361f5c3 100644
--- a/homeassistant/components/auth/__init__.py
+++ b/homeassistant/components/auth/__init__.py
@@ -132,6 +132,7 @@ from homeassistant.components.http.auth import async_sign_path
 from homeassistant.components.http.ban import log_invalid_auth
 from homeassistant.components.http.data_validator import RequestDataValidator
 from homeassistant.components.http.view import HomeAssistantView
+from homeassistant.const import HTTP_OK
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.loader import bind_hass
 from homeassistant.util import dt as dt_util
@@ -271,15 +272,15 @@ class TokenView(HomeAssistantView):
         token = data.get("token")
 
         if token is None:
-            return web.Response(status=200)
+            return web.Response(status=HTTP_OK)
 
         refresh_token = await hass.auth.async_get_refresh_token_by_token(token)
 
         if refresh_token is None:
-            return web.Response(status=200)
+            return web.Response(status=HTTP_OK)
 
         await hass.auth.async_remove_refresh_token(refresh_token)
-        return web.Response(status=200)
+        return web.Response(status=HTTP_OK)
 
     async def _async_handle_auth_code(self, hass, data, remote_addr):
         """Handle authorization code request."""
diff --git a/homeassistant/components/bloomsky/__init__.py b/homeassistant/components/bloomsky/__init__.py
index ba10c5c7413..929f8218144 100644
--- a/homeassistant/components/bloomsky/__init__.py
+++ b/homeassistant/components/bloomsky/__init__.py
@@ -6,7 +6,7 @@ from aiohttp.hdrs import AUTHORIZATION
 import requests
 import voluptuous as vol
 
-from homeassistant.const import CONF_API_KEY
+from homeassistant.const import CONF_API_KEY, HTTP_OK
 from homeassistant.helpers import discovery
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
@@ -72,7 +72,7 @@ class BloomSky:
         if response.status_code == 405:
             _LOGGER.error("You have no bloomsky devices configured")
             return
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             _LOGGER.error("Invalid HTTP response: %s", response.status_code)
             return
         # Create dictionary keyed off of the device unique id
diff --git a/homeassistant/components/bluesound/media_player.py b/homeassistant/components/bluesound/media_player.py
index a0f1d38ba77..eb1ce5f30dc 100644
--- a/homeassistant/components/bluesound/media_player.py
+++ b/homeassistant/components/bluesound/media_player.py
@@ -38,6 +38,7 @@ from homeassistant.const import (
     CONF_PORT,
     EVENT_HOMEASSISTANT_START,
     EVENT_HOMEASSISTANT_STOP,
+    HTTP_OK,
     STATE_IDLE,
     STATE_OFF,
     STATE_PAUSED,
@@ -354,7 +355,7 @@ class BluesoundPlayer(MediaPlayerDevice):
             with async_timeout.timeout(10):
                 response = await websession.get(url)
 
-            if response.status == 200:
+            if response.status == HTTP_OK:
                 result = await response.text()
                 if result:
                     data = xmltodict.parse(result)
@@ -398,7 +399,7 @@ class BluesoundPlayer(MediaPlayerDevice):
                     url, headers={CONNECTION: KEEP_ALIVE}
                 )
 
-            if response.status == 200:
+            if response.status == HTTP_OK:
                 result = await response.text()
                 self._is_online = True
                 self._last_status_update = dt_util.utcnow()
diff --git a/homeassistant/components/buienradar/util.py b/homeassistant/components/buienradar/util.py
index 900b1caaf97..4c69678d215 100644
--- a/homeassistant/components/buienradar/util.py
+++ b/homeassistant/components/buienradar/util.py
@@ -25,7 +25,7 @@ from buienradar.constants import (
 )
 from buienradar.urls import JSON_FEED_URL, json_precipitation_forecast_url
 
-from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE
+from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.event import async_track_point_in_utc_time
 from homeassistant.util import dt as dt_util
@@ -92,7 +92,7 @@ class BrData:
 
                 result[STATUS_CODE] = resp.status
                 result[CONTENT] = await resp.text()
-                if resp.status == 200:
+                if resp.status == HTTP_OK:
                     result[SUCCESS] = True
                 else:
                     result[MESSAGE] = "Got http statuscode: %d" % (resp.status)
diff --git a/homeassistant/components/clickatell/notify.py b/homeassistant/components/clickatell/notify.py
index d59a553a4f6..f1a27be83b9 100644
--- a/homeassistant/components/clickatell/notify.py
+++ b/homeassistant/components/clickatell/notify.py
@@ -5,7 +5,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
-from homeassistant.const import CONF_API_KEY, CONF_RECIPIENT
+from homeassistant.const import CONF_API_KEY, CONF_RECIPIENT, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -37,5 +37,5 @@ class ClickatellNotificationService(BaseNotificationService):
         data = {"apiKey": self.api_key, "to": self.recipient, "content": message}
 
         resp = requests.get(BASE_API_URL, params=data, timeout=5)
-        if (resp.status_code != 200) or (resp.status_code != 201):
+        if (resp.status_code != HTTP_OK) or (resp.status_code != 201):
             _LOGGER.error("Error %s : %s", resp.status_code, resp.text)
diff --git a/homeassistant/components/clicksend/notify.py b/homeassistant/components/clicksend/notify.py
index 42136e9a09c..18562260431 100644
--- a/homeassistant/components/clicksend/notify.py
+++ b/homeassistant/components/clicksend/notify.py
@@ -13,6 +13,7 @@ from homeassistant.const import (
     CONF_SENDER,
     CONF_USERNAME,
     CONTENT_TYPE_JSON,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 
@@ -80,7 +81,7 @@ class ClicksendNotificationService(BaseNotificationService):
             auth=(self.username, self.api_key),
             timeout=TIMEOUT,
         )
-        if resp.status_code == 200:
+        if resp.status_code == HTTP_OK:
             return
 
         obj = json.loads(resp.text)
@@ -100,6 +101,6 @@ def _authenticate(config):
         auth=(config[CONF_USERNAME], config[CONF_API_KEY]),
         timeout=TIMEOUT,
     )
-    if resp.status_code != 200:
+    if resp.status_code != HTTP_OK:
         return False
     return True
diff --git a/homeassistant/components/clicksend_tts/notify.py b/homeassistant/components/clicksend_tts/notify.py
index 400e72a7d0c..0847f3fb907 100644
--- a/homeassistant/components/clicksend_tts/notify.py
+++ b/homeassistant/components/clicksend_tts/notify.py
@@ -12,6 +12,7 @@ from homeassistant.const import (
     CONF_RECIPIENT,
     CONF_USERNAME,
     CONTENT_TYPE_JSON,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 
@@ -87,7 +88,7 @@ class ClicksendNotificationService(BaseNotificationService):
             timeout=TIMEOUT,
         )
 
-        if resp.status_code == 200:
+        if resp.status_code == HTTP_OK:
             return
         obj = json.loads(resp.text)
         response_msg = obj["response_msg"]
@@ -107,7 +108,7 @@ def _authenticate(config):
         timeout=TIMEOUT,
     )
 
-    if resp.status_code != 200:
+    if resp.status_code != HTTP_OK:
         return False
 
     return True
diff --git a/homeassistant/components/cloud/client.py b/homeassistant/components/cloud/client.py
index ef73d4356d5..a17f536db72 100644
--- a/homeassistant/components/cloud/client.py
+++ b/homeassistant/components/cloud/client.py
@@ -12,6 +12,7 @@ from homeassistant.components.alexa import (
     smart_home as alexa_sh,
 )
 from homeassistant.components.google_assistant import const as gc, smart_home as ga
+from homeassistant.const import HTTP_OK
 from homeassistant.core import Context, callback
 from homeassistant.helpers.dispatcher import async_dispatcher_send
 from homeassistant.helpers.typing import HomeAssistantType
@@ -174,7 +175,7 @@ class CloudClient(Interface):
                 break
 
         if found is None:
-            return {"status": 200}
+            return {"status": HTTP_OK}
 
         request = MockRequest(
             content=payload["body"].encode("utf-8"),
diff --git a/homeassistant/components/cloud/google_config.py b/homeassistant/components/cloud/google_config.py
index 1074aaa68b3..8420a1bea7e 100644
--- a/homeassistant/components/cloud/google_config.py
+++ b/homeassistant/components/cloud/google_config.py
@@ -6,7 +6,7 @@ from hass_nabucasa import cloud_api
 from hass_nabucasa.google_report_state import ErrorResponse
 
 from homeassistant.components.google_assistant.helpers import AbstractConfig
-from homeassistant.const import CLOUD_NEVER_EXPOSED_ENTITIES
+from homeassistant.const import CLOUD_NEVER_EXPOSED_ENTITIES, HTTP_OK
 from homeassistant.helpers import entity_registry
 
 from .const import (
@@ -124,7 +124,7 @@ class CloudGoogleConfig(AbstractConfig):
     async def _async_request_sync_devices(self, agent_user_id: str):
         """Trigger a sync with Google."""
         if self._sync_entities_lock.locked():
-            return 200
+            return HTTP_OK
 
         async with self._sync_entities_lock:
             resp = await cloud_api.async_google_actions_request_sync(self._cloud)
diff --git a/homeassistant/components/cloud/http_api.py b/homeassistant/components/cloud/http_api.py
index c532a2063a7..09dae3efc24 100644
--- a/homeassistant/components/cloud/http_api.py
+++ b/homeassistant/components/cloud/http_api.py
@@ -19,6 +19,7 @@ from homeassistant.components.google_assistant import helpers as google_helpers
 from homeassistant.components.http import HomeAssistantView
 from homeassistant.components.http.data_validator import RequestDataValidator
 from homeassistant.components.websocket_api import const as ws_const
+from homeassistant.const import HTTP_OK
 from homeassistant.core import callback
 
 from .const import (
@@ -321,7 +322,7 @@ async def websocket_subscription(hass, connection, msg):
     with async_timeout.timeout(REQUEST_TIMEOUT):
         response = await cloud.fetch_subscription_info()
 
-    if response.status != 200:
+    if response.status != HTTP_OK:
         connection.send_message(
             websocket_api.error_message(
                 msg["id"], "request_failed", "Failed to request subscription"
diff --git a/homeassistant/components/ddwrt/device_tracker.py b/homeassistant/components/ddwrt/device_tracker.py
index a6bdb9c527b..27f6895fc43 100644
--- a/homeassistant/components/ddwrt/device_tracker.py
+++ b/homeassistant/components/ddwrt/device_tracker.py
@@ -16,6 +16,7 @@ from homeassistant.const import (
     CONF_SSL,
     CONF_USERNAME,
     CONF_VERIFY_SSL,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 
@@ -152,7 +153,7 @@ class DdWrtDeviceScanner(DeviceScanner):
         except requests.exceptions.Timeout:
             _LOGGER.exception("Connection to the router timed out")
             return
-        if response.status_code == 200:
+        if response.status_code == HTTP_OK:
             return _parse_ddwrt_response(response.text)
         if response.status_code == 401:
             # Authentication error
diff --git a/homeassistant/components/doorbird/__init__.py b/homeassistant/components/doorbird/__init__.py
index bbbaa3d340c..b70b0a3061c 100644
--- a/homeassistant/components/doorbird/__init__.py
+++ b/homeassistant/components/doorbird/__init__.py
@@ -18,6 +18,7 @@ from homeassistant.const import (
     CONF_PASSWORD,
     CONF_TOKEN,
     CONF_USERNAME,
+    HTTP_OK,
 )
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import ConfigEntryNotReady
@@ -71,7 +72,7 @@ async def async_setup(hass: HomeAssistant, config: dict):
 
             hass.async_create_task(
                 hass.config_entries.flow.async_init(
-                    DOMAIN, context={"source": SOURCE_IMPORT}, data=doorstation_config,
+                    DOMAIN, context={"source": SOURCE_IMPORT}, data=doorstation_config
                 )
             )
 
@@ -359,10 +360,10 @@ class DoorBirdRequestView(HomeAssistantView):
             hass.bus.async_fire(RESET_DEVICE_FAVORITES, {"token": token})
 
             message = f"HTTP Favorites cleared for {device.slug}"
-            return web.Response(status=200, text=message)
+            return web.Response(status=HTTP_OK, text=message)
 
         hass.bus.async_fire(f"{DOMAIN}_{event}", event_data)
 
         log_entry(hass, f"Doorbird {event}", "event was fired.", DOMAIN)
 
-        return web.Response(status=200, text="OK")
+        return web.Response(status=HTTP_OK, text="OK")
diff --git a/homeassistant/components/downloader/__init__.py b/homeassistant/components/downloader/__init__.py
index 9054943ca52..0c87f04e3ab 100644
--- a/homeassistant/components/downloader/__init__.py
+++ b/homeassistant/components/downloader/__init__.py
@@ -7,6 +7,7 @@ import threading
 import requests
 import voluptuous as vol
 
+from homeassistant.const import HTTP_OK
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import sanitize_filename
 
@@ -76,7 +77,7 @@ def setup(hass, config):
 
                 req = requests.get(url, stream=True, timeout=10)
 
-                if req.status_code != 200:
+                if req.status_code != HTTP_OK:
                     _LOGGER.warning(
                         "downloading '%s' failed, status_code=%d", url, req.status_code
                     )
diff --git a/homeassistant/components/dte_energy_bridge/sensor.py b/homeassistant/components/dte_energy_bridge/sensor.py
index 826f9cf5acb..c0725219a9a 100644
--- a/homeassistant/components/dte_energy_bridge/sensor.py
+++ b/homeassistant/components/dte_energy_bridge/sensor.py
@@ -5,7 +5,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import CONF_NAME
+from homeassistant.const import CONF_NAME, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 
@@ -85,7 +85,7 @@ class DteEnergyBridgeSensor(Entity):
             )
             return
 
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             _LOGGER.warning(
                 "Invalid status_code from DTE Energy Bridge: %s (%s)",
                 response.status_code,
diff --git a/homeassistant/components/dublin_bus_transport/sensor.py b/homeassistant/components/dublin_bus_transport/sensor.py
index e75775bf75f..41c7df7889e 100644
--- a/homeassistant/components/dublin_bus_transport/sensor.py
+++ b/homeassistant/components/dublin_bus_transport/sensor.py
@@ -11,7 +11,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import ATTR_ATTRIBUTION, CONF_NAME, TIME_MINUTES
+from homeassistant.const import ATTR_ATTRIBUTION, CONF_NAME, HTTP_OK, TIME_MINUTES
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 import homeassistant.util.dt as dt_util
@@ -148,7 +148,7 @@ class PublicTransportData:
 
         response = requests.get(_RESOURCE, params, timeout=10)
 
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             self.info = [
                 {ATTR_DUE_AT: "n/a", ATTR_ROUTE: self.route, ATTR_DUE_IN: "n/a"}
             ]
diff --git a/homeassistant/components/emoncms/sensor.py b/homeassistant/components/emoncms/sensor.py
index c0754405840..dca9c870022 100644
--- a/homeassistant/components/emoncms/sensor.py
+++ b/homeassistant/components/emoncms/sensor.py
@@ -13,6 +13,7 @@ from homeassistant.const import (
     CONF_UNIT_OF_MEASUREMENT,
     CONF_URL,
     CONF_VALUE_TEMPLATE,
+    HTTP_OK,
     POWER_WATT,
     STATE_UNKNOWN,
 )
@@ -245,7 +246,7 @@ class EmonCmsData:
             _LOGGER.error(exception)
             return
         else:
-            if req.status_code == 200:
+            if req.status_code == HTTP_OK:
                 self.data = req.json()
             else:
                 _LOGGER.error(
diff --git a/homeassistant/components/emoncms_history/__init__.py b/homeassistant/components/emoncms_history/__init__.py
index fd38da1cac1..85b48c55755 100644
--- a/homeassistant/components/emoncms_history/__init__.py
+++ b/homeassistant/components/emoncms_history/__init__.py
@@ -10,6 +10,7 @@ from homeassistant.const import (
     CONF_SCAN_INTERVAL,
     CONF_URL,
     CONF_WHITELIST,
+    HTTP_OK,
     STATE_UNAVAILABLE,
     STATE_UNKNOWN,
 )
@@ -58,7 +59,7 @@ def setup(hass, config):
             _LOGGER.error("Error saving data '%s' to '%s'", payload, fullurl)
 
         else:
-            if req.status_code != 200:
+            if req.status_code != HTTP_OK:
                 _LOGGER.error(
                     "Error saving data %s to %s (http status code = %d)",
                     payload,
diff --git a/homeassistant/components/facebook/notify.py b/homeassistant/components/facebook/notify.py
index 34d5b14cf25..0ce2fbfc665 100644
--- a/homeassistant/components/facebook/notify.py
+++ b/homeassistant/components/facebook/notify.py
@@ -12,7 +12,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import CONTENT_TYPE_JSON
+from homeassistant.const import CONTENT_TYPE_JSON, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -76,7 +76,7 @@ class FacebookNotificationService(BaseNotificationService):
                 headers={CONTENT_TYPE: CONTENT_TYPE_JSON},
                 timeout=10,
             )
-            if resp.status_code != 200:
+            if resp.status_code != HTTP_OK:
                 log_error(resp)
 
 
diff --git a/homeassistant/components/flock/notify.py b/homeassistant/components/flock/notify.py
index 107c837970d..7bdd1b33c5b 100644
--- a/homeassistant/components/flock/notify.py
+++ b/homeassistant/components/flock/notify.py
@@ -6,7 +6,7 @@ import async_timeout
 import voluptuous as vol
 
 from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
-from homeassistant.const import CONF_ACCESS_TOKEN
+from homeassistant.const import CONF_ACCESS_TOKEN, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 
@@ -44,7 +44,7 @@ class FlockNotificationService(BaseNotificationService):
                 response = await self._session.post(self._url, json=payload)
                 result = await response.json()
 
-            if response.status != 200 or "error" in result:
+            if response.status != HTTP_OK or "error" in result:
                 _LOGGER.error(
                     "Flock service returned HTTP status %d, response %s",
                     response.status,
diff --git a/homeassistant/components/foursquare/__init__.py b/homeassistant/components/foursquare/__init__.py
index 07d177ebf30..bae0336a63e 100644
--- a/homeassistant/components/foursquare/__init__.py
+++ b/homeassistant/components/foursquare/__init__.py
@@ -5,7 +5,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.http import HomeAssistantView
-from homeassistant.const import CONF_ACCESS_TOKEN, HTTP_BAD_REQUEST
+from homeassistant.const import CONF_ACCESS_TOKEN, HTTP_BAD_REQUEST, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -55,7 +55,7 @@ def setup(hass, config):
         url = f"https://api.foursquare.com/v2/checkins/add?oauth_token={config[CONF_ACCESS_TOKEN]}&v=20160802&m=swarm"
         response = requests.post(url, data=call.data, timeout=10)
 
-        if response.status_code not in (200, 201):
+        if response.status_code not in (HTTP_OK, 201):
             _LOGGER.exception(
                 "Error checking in user. Response %d: %s:",
                 response.status_code,
diff --git a/homeassistant/components/google_translate/tts.py b/homeassistant/components/google_translate/tts.py
index e35a229ab98..36543e0515e 100644
--- a/homeassistant/components/google_translate/tts.py
+++ b/homeassistant/components/google_translate/tts.py
@@ -11,6 +11,7 @@ import voluptuous as vol
 import yarl
 
 from homeassistant.components.tts import CONF_LANG, PLATFORM_SCHEMA, Provider
+from homeassistant.const import HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 
 _LOGGER = logging.getLogger(__name__)
@@ -142,7 +143,7 @@ class GoogleProvider(Provider):
                         GOOGLE_SPEECH_URL, params=url_param, headers=self.headers
                     )
 
-                    if request.status != 200:
+                    if request.status != HTTP_OK:
                         _LOGGER.error(
                             "Error %d on load URL %s", request.status, request.url
                         )
diff --git a/homeassistant/components/hangouts/hangouts_bot.py b/homeassistant/components/hangouts/hangouts_bot.py
index b3dfdecac2a..56045f0eb1c 100644
--- a/homeassistant/components/hangouts/hangouts_bot.py
+++ b/homeassistant/components/hangouts/hangouts_bot.py
@@ -7,6 +7,7 @@ import aiohttp
 import hangups
 from hangups import ChatMessageEvent, ChatMessageSegment, Client, get_auth, hangouts_pb2
 
+from homeassistant.const import HTTP_OK
 from homeassistant.core import callback
 from homeassistant.helpers import dispatcher, intent
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
@@ -273,7 +274,7 @@ class HangoutsBot:
                 try:
                     websession = async_get_clientsession(self.hass)
                     async with websession.get(uri, timeout=5) as response:
-                        if response.status != 200:
+                        if response.status != HTTP_OK:
                             _LOGGER.error(
                                 "Fetch image failed, %s, %s", response.status, response
                             )
diff --git a/homeassistant/components/hassio/auth.py b/homeassistant/components/hassio/auth.py
index f8474e0fd24..b95690641cd 100644
--- a/homeassistant/components/hassio/auth.py
+++ b/homeassistant/components/hassio/auth.py
@@ -15,6 +15,7 @@ from homeassistant.auth.models import User
 from homeassistant.components.http import HomeAssistantView
 from homeassistant.components.http.const import KEY_HASS_USER, KEY_REAL_IP
 from homeassistant.components.http.data_validator import RequestDataValidator
+from homeassistant.const import HTTP_OK
 from homeassistant.core import callback
 from homeassistant.exceptions import HomeAssistantError
 import homeassistant.helpers.config_validation as cv
@@ -93,7 +94,7 @@ class HassIOAuth(HassIOBaseAuth):
         self._check_access(request)
 
         await self._check_login(data[ATTR_USERNAME], data[ATTR_PASSWORD])
-        return web.Response(status=200)
+        return web.Response(status=HTTP_OK)
 
     async def _check_login(self, username, password):
         """Check User credentials."""
@@ -117,7 +118,7 @@ class HassIOPasswordReset(HassIOBaseAuth):
         self._check_access(request)
 
         await self._change_password(data[ATTR_USERNAME], data[ATTR_PASSWORD])
-        return web.Response(status=200)
+        return web.Response(status=HTTP_OK)
 
     async def _change_password(self, username, password):
         """Check User credentials."""
diff --git a/homeassistant/components/hassio/handler.py b/homeassistant/components/hassio/handler.py
index bb41e5335d7..91b36925542 100644
--- a/homeassistant/components/hassio/handler.py
+++ b/homeassistant/components/hassio/handler.py
@@ -12,7 +12,7 @@ from homeassistant.components.http import (
     CONF_SSL_CERTIFICATE,
     DEFAULT_SERVER_HOST,
 )
-from homeassistant.const import SERVER_PORT
+from homeassistant.const import HTTP_OK, SERVER_PORT
 
 from .const import X_HASSIO
 
@@ -167,7 +167,7 @@ class HassIO:
                     headers={X_HASSIO: os.environ.get("HASSIO_TOKEN", "")},
                 )
 
-                if request.status not in (200, 400):
+                if request.status not in (HTTP_OK, 400):
                     _LOGGER.error("%s return code %d.", command, request.status)
                     raise HassioAPIError()
 
diff --git a/homeassistant/components/haveibeenpwned/sensor.py b/homeassistant/components/haveibeenpwned/sensor.py
index 00a39aae8f4..51b06917142 100644
--- a/homeassistant/components/haveibeenpwned/sensor.py
+++ b/homeassistant/components/haveibeenpwned/sensor.py
@@ -7,7 +7,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import ATTR_ATTRIBUTION, CONF_API_KEY, CONF_EMAIL
+from homeassistant.const import ATTR_ATTRIBUTION, CONF_API_KEY, CONF_EMAIL, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.event import track_point_in_time
@@ -158,7 +158,7 @@ class HaveIBeenPwnedData:
             _LOGGER.error("Failed fetching data for %s", self._email)
             return
 
-        if req.status_code == 200:
+        if req.status_code == HTTP_OK:
             self.data[self._email] = sorted(
                 req.json(), key=lambda k: k["AddedDate"], reverse=True
             )
diff --git a/homeassistant/components/hitron_coda/device_tracker.py b/homeassistant/components/hitron_coda/device_tracker.py
index 12b03acbcc5..a49e3cc6d21 100644
--- a/homeassistant/components/hitron_coda/device_tracker.py
+++ b/homeassistant/components/hitron_coda/device_tracker.py
@@ -10,7 +10,13 @@ from homeassistant.components.device_tracker import (
     PLATFORM_SCHEMA,
     DeviceScanner,
 )
-from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_TYPE, CONF_USERNAME
+from homeassistant.const import (
+    CONF_HOST,
+    CONF_PASSWORD,
+    CONF_TYPE,
+    CONF_USERNAME,
+    HTTP_OK,
+)
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -83,7 +89,7 @@ class HitronCODADeviceScanner(DeviceScanner):
         except requests.exceptions.Timeout:
             _LOGGER.error("Connection to the router timed out at URL %s", self._url)
             return False
-        if res.status_code != 200:
+        if res.status_code != HTTP_OK:
             _LOGGER.error("Connection failed with http code %s", res.status_code)
             return False
         try:
@@ -109,7 +115,7 @@ class HitronCODADeviceScanner(DeviceScanner):
         except requests.exceptions.Timeout:
             _LOGGER.error("Connection to the router timed out at URL %s", self._url)
             return False
-        if res.status_code != 200:
+        if res.status_code != HTTP_OK:
             _LOGGER.error("Connection failed with http code %s", res.status_code)
             return False
         try:
diff --git a/homeassistant/components/http/view.py b/homeassistant/components/http/view.py
index bb7c5816c77..40ca43ff695 100644
--- a/homeassistant/components/http/view.py
+++ b/homeassistant/components/http/view.py
@@ -13,7 +13,7 @@ from aiohttp.web_exceptions import (
 import voluptuous as vol
 
 from homeassistant import exceptions
-from homeassistant.const import CONTENT_TYPE_JSON
+from homeassistant.const import CONTENT_TYPE_JSON, HTTP_OK
 from homeassistant.core import Context, is_callback
 from homeassistant.helpers.json import JSONEncoder
 
@@ -44,7 +44,7 @@ class HomeAssistantView:
         return Context(user_id=user.id)
 
     @staticmethod
-    def json(result, status_code=200, headers=None):
+    def json(result, status_code=HTTP_OK, headers=None):
         """Return a JSON response."""
         try:
             msg = json.dumps(
@@ -62,7 +62,9 @@ class HomeAssistantView:
         response.enable_compression()
         return response
 
-    def json_message(self, message, status_code=200, message_code=None, headers=None):
+    def json_message(
+        self, message, status_code=HTTP_OK, message_code=None, headers=None
+    ):
         """Return a JSON message response."""
         data = {"message": message}
         if message_code is not None:
@@ -132,7 +134,7 @@ def request_handler_factory(view, handler):
             # The method handler returned a ready-made Response, how nice of it
             return result
 
-        status_code = 200
+        status_code = HTTP_OK
 
         if isinstance(result, tuple):
             result, status_code = result
diff --git a/homeassistant/components/ifttt/__init__.py b/homeassistant/components/ifttt/__init__.py
index c060c5f8815..cb1bb9f64cf 100644
--- a/homeassistant/components/ifttt/__init__.py
+++ b/homeassistant/components/ifttt/__init__.py
@@ -6,7 +6,7 @@ import pyfttt
 import requests
 import voluptuous as vol
 
-from homeassistant.const import CONF_WEBHOOK_ID
+from homeassistant.const import CONF_WEBHOOK_ID, HTTP_OK
 from homeassistant.helpers import config_entry_flow
 import homeassistant.helpers.config_validation as cv
 
@@ -75,7 +75,7 @@ async def async_setup(hass, config):
 
             for target, key in target_keys.items():
                 res = pyfttt.send_event(key, event, value1, value2, value3)
-                if res.status_code != 200:
+                if res.status_code != HTTP_OK:
                     _LOGGER.error("IFTTT reported error sending event to %s.", target)
         except requests.exceptions.RequestException:
             _LOGGER.exception("Error communicating with IFTTT")
diff --git a/homeassistant/components/lifx_cloud/scene.py b/homeassistant/components/lifx_cloud/scene.py
index 08e044a46e0..7b0fca67bd6 100644
--- a/homeassistant/components/lifx_cloud/scene.py
+++ b/homeassistant/components/lifx_cloud/scene.py
@@ -8,7 +8,7 @@ import async_timeout
 import voluptuous as vol
 
 from homeassistant.components.scene import Scene
-from homeassistant.const import CONF_PLATFORM, CONF_TIMEOUT, CONF_TOKEN
+from homeassistant.const import CONF_PLATFORM, CONF_TIMEOUT, CONF_TOKEN, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 
@@ -44,7 +44,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
         return False
 
     status = scenes_resp.status
-    if status == 200:
+    if status == HTTP_OK:
         data = await scenes_resp.json()
         devices = []
         for scene in data:
diff --git a/homeassistant/components/linksys_smart/device_tracker.py b/homeassistant/components/linksys_smart/device_tracker.py
index a2a8e317133..1f31ddc03a1 100644
--- a/homeassistant/components/linksys_smart/device_tracker.py
+++ b/homeassistant/components/linksys_smart/device_tracker.py
@@ -9,7 +9,7 @@ from homeassistant.components.device_tracker import (
     PLATFORM_SCHEMA,
     DeviceScanner,
 )
-from homeassistant.const import CONF_HOST
+from homeassistant.const import CONF_HOST, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 DEFAULT_TIMEOUT = 10
@@ -37,7 +37,7 @@ class LinksysSmartWifiDeviceScanner(DeviceScanner):
 
         # Check if the access point is accessible
         response = self._make_request()
-        if not response.status_code == 200:
+        if not response.status_code == HTTP_OK:
             raise ConnectionError("Cannot connect to Linksys Access Point")
 
     def scan_devices(self):
@@ -56,7 +56,7 @@ class LinksysSmartWifiDeviceScanner(DeviceScanner):
 
         self.last_results = {}
         response = self._make_request()
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             _LOGGER.error(
                 "Got HTTP status code %d when getting device list", response.status_code
             )
diff --git a/homeassistant/components/llamalab_automate/notify.py b/homeassistant/components/llamalab_automate/notify.py
index 5a3d4e0df38..f093edbbc6b 100644
--- a/homeassistant/components/llamalab_automate/notify.py
+++ b/homeassistant/components/llamalab_automate/notify.py
@@ -5,7 +5,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
-from homeassistant.const import CONF_API_KEY, CONF_DEVICE
+from homeassistant.const import CONF_API_KEY, CONF_DEVICE, HTTP_OK
 from homeassistant.helpers import config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -51,5 +51,5 @@ class AutomateNotificationService(BaseNotificationService):
         }
 
         response = requests.post(_RESOURCE, json=data)
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             _LOGGER.error("Error sending message: %s", response)
diff --git a/homeassistant/components/lockitron/lock.py b/homeassistant/components/lockitron/lock.py
index 8ff8f430355..7d34bb02472 100644
--- a/homeassistant/components/lockitron/lock.py
+++ b/homeassistant/components/lockitron/lock.py
@@ -5,7 +5,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.lock import PLATFORM_SCHEMA, LockDevice
-from homeassistant.const import CONF_ACCESS_TOKEN, CONF_ID
+from homeassistant.const import CONF_ACCESS_TOKEN, CONF_ID, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -25,7 +25,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     response = requests.get(
         f"{BASE_URL}/v2/locks/{device_id}?access_token={access_token}", timeout=5
     )
-    if response.status_code == 200:
+    if response.status_code == HTTP_OK:
         add_entities([Lockitron(response.json()["state"], access_token, device_id)])
     else:
         _LOGGER.error("Error retrieving lock status during init: %s", response.text)
@@ -67,7 +67,7 @@ class Lockitron(LockDevice):
             f"{BASE_URL}/v2/locks/{self.device_id}?access_token={self.access_token}",
             timeout=5,
         )
-        if response.status_code == 200:
+        if response.status_code == HTTP_OK:
             self._state = response.json()["state"]
         else:
             _LOGGER.error("Error retrieving lock status: %s", response.text)
@@ -78,7 +78,7 @@ class Lockitron(LockDevice):
             f"{BASE_URL}/v2/locks/{self.device_id}?access_token={self.access_token}&state={requested_state}",
             timeout=5,
         )
-        if response.status_code == 200:
+        if response.status_code == HTTP_OK:
             return response.json()["state"]
 
         _LOGGER.error(
diff --git a/homeassistant/components/london_air/sensor.py b/homeassistant/components/london_air/sensor.py
index 7eb410cacab..c7104ac19ad 100644
--- a/homeassistant/components/london_air/sensor.py
+++ b/homeassistant/components/london_air/sensor.py
@@ -6,6 +6,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
+from homeassistant.const import HTTP_OK
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 from homeassistant.util import Throttle
@@ -83,7 +84,7 @@ class APIData:
     def update(self):
         """Get the latest data from TFL."""
         response = requests.get(URL, timeout=10)
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             _LOGGER.warning("Invalid response from API")
         else:
             self.data = parse_api_response(response.json())
diff --git a/homeassistant/components/media_player/__init__.py b/homeassistant/components/media_player/__init__.py
index 757dd00897d..86b5d758149 100644
--- a/homeassistant/components/media_player/__init__.py
+++ b/homeassistant/components/media_player/__init__.py
@@ -18,6 +18,7 @@ import voluptuous as vol
 from homeassistant.components import websocket_api
 from homeassistant.components.http import KEY_AUTHENTICATED, HomeAssistantView
 from homeassistant.const import (
+    HTTP_OK,
     SERVICE_MEDIA_NEXT_TRACK,
     SERVICE_MEDIA_PAUSE,
     SERVICE_MEDIA_PLAY,
@@ -211,7 +212,7 @@ async def async_setup(hass, config):
         SERVICE_TURN_OFF, {}, "async_turn_off", [SUPPORT_TURN_OFF]
     )
     component.async_register_entity_service(
-        SERVICE_TOGGLE, {}, "async_toggle", [SUPPORT_TURN_OFF | SUPPORT_TURN_ON],
+        SERVICE_TOGGLE, {}, "async_toggle", [SUPPORT_TURN_OFF | SUPPORT_TURN_ON]
     )
     component.async_register_entity_service(
         SERVICE_VOLUME_UP,
@@ -241,7 +242,7 @@ async def async_setup(hass, config):
         SERVICE_MEDIA_STOP, {}, "async_media_stop", [SUPPORT_STOP]
     )
     component.async_register_entity_service(
-        SERVICE_MEDIA_NEXT_TRACK, {}, "async_media_next_track", [SUPPORT_NEXT_TRACK],
+        SERVICE_MEDIA_NEXT_TRACK, {}, "async_media_next_track", [SUPPORT_NEXT_TRACK]
     )
     component.async_register_entity_service(
         SERVICE_MEDIA_PREVIOUS_TRACK,
@@ -250,7 +251,7 @@ async def async_setup(hass, config):
         [SUPPORT_PREVIOUS_TRACK],
     )
     component.async_register_entity_service(
-        SERVICE_CLEAR_PLAYLIST, {}, "async_clear_playlist", [SUPPORT_CLEAR_PLAYLIST],
+        SERVICE_CLEAR_PLAYLIST, {}, "async_clear_playlist", [SUPPORT_CLEAR_PLAYLIST]
     )
     component.async_register_entity_service(
         SERVICE_VOLUME_SET,
@@ -832,7 +833,7 @@ async def _async_fetch_image(hass, url):
             with async_timeout.timeout(10):
                 response = await websession.get(url)
 
-                if response.status == 200:
+                if response.status == HTTP_OK:
                     content = await response.read()
                     content_type = response.headers.get(CONTENT_TYPE)
                     if content_type:
diff --git a/homeassistant/components/mobile_app/helpers.py b/homeassistant/components/mobile_app/helpers.py
index 400ff31be89..7c7ceb3a827 100644
--- a/homeassistant/components/mobile_app/helpers.py
+++ b/homeassistant/components/mobile_app/helpers.py
@@ -7,6 +7,7 @@ from aiohttp.web import Response, json_response
 from nacl.encoding import Base64Encoder
 from nacl.secret import SecretBox
 
+from homeassistant.const import HTTP_OK
 from homeassistant.core import Context
 from homeassistant.helpers.json import JSONEncoder
 from homeassistant.helpers.typing import HomeAssistantType
@@ -90,7 +91,7 @@ def registration_context(registration: Dict) -> Context:
     return Context(user_id=registration[CONF_USER_ID])
 
 
-def empty_okay_response(headers: Dict = None, status: int = 200) -> Response:
+def empty_okay_response(headers: Dict = None, status: int = HTTP_OK) -> Response:
     """Return a Response with empty JSON object and a 200."""
     return Response(
         text="{}", status=status, content_type="application/json", headers=headers
@@ -144,7 +145,7 @@ def savable_state(hass: HomeAssistantType) -> Dict:
 
 
 def webhook_response(
-    data, *, registration: Dict, status: int = 200, headers: Dict = None
+    data, *, registration: Dict, status: int = HTTP_OK, headers: Dict = None
 ) -> Response:
     """Return a encrypted response if registration supports it."""
     data = json.dumps(data, cls=JSONEncoder)
diff --git a/homeassistant/components/mobile_app/notify.py b/homeassistant/components/mobile_app/notify.py
index 00f4577ad9e..f3c79103111 100644
--- a/homeassistant/components/mobile_app/notify.py
+++ b/homeassistant/components/mobile_app/notify.py
@@ -12,6 +12,7 @@ from homeassistant.components.notify import (
     ATTR_TITLE_DEFAULT,
     BaseNotificationService,
 )
+from homeassistant.const import HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.util.dt as dt_util
 
@@ -134,7 +135,7 @@ class MobileAppNotificationService(BaseNotificationService):
                     response = await self._session.post(push_url, json=data)
                     result = await response.json()
 
-                if response.status in [200, 201, 202]:
+                if response.status in [HTTP_OK, 201, 202]:
                     log_rate_limits(self.hass, entry_data[ATTR_DEVICE_NAME], result)
                     continue
 
diff --git a/homeassistant/components/nfandroidtv/notify.py b/homeassistant/components/nfandroidtv/notify.py
index 280733affd2..db2b22650ef 100644
--- a/homeassistant/components/nfandroidtv/notify.py
+++ b/homeassistant/components/nfandroidtv/notify.py
@@ -14,7 +14,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import CONF_HOST, CONF_TIMEOUT, UNIT_PERCENTAGE
+from homeassistant.const import CONF_HOST, CONF_TIMEOUT, HTTP_OK, UNIT_PERCENTAGE
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -238,7 +238,7 @@ class NFAndroidTVNotificationService(BaseNotificationService):
         try:
             _LOGGER.debug("Payload: %s", str(payload))
             response = requests.post(self._target, files=payload, timeout=self._timeout)
-            if response.status_code != 200:
+            if response.status_code != HTTP_OK:
                 _LOGGER.error("Error sending message: %s", str(response))
         except requests.exceptions.ConnectionError as err:
             _LOGGER.error("Error communicating with %s: %s", self._target, str(err))
diff --git a/homeassistant/components/nissan_leaf/__init__.py b/homeassistant/components/nissan_leaf/__init__.py
index f5f23f2f114..a1e6d74b4f3 100644
--- a/homeassistant/components/nissan_leaf/__init__.py
+++ b/homeassistant/components/nissan_leaf/__init__.py
@@ -7,7 +7,7 @@ import sys
 from pycarwings2 import CarwingsError, Session
 import voluptuous as vol
 
-from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME, HTTP_OK
 from homeassistant.core import callback
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.discovery import load_platform
@@ -287,7 +287,7 @@ class LeafDataStore:
         if server_response is not None:
             _LOGGER.debug("Server Response: %s", server_response.__dict__)
 
-            if server_response.answer["status"] == 200:
+            if server_response.answer["status"] == HTTP_OK:
                 self.data[DATA_BATTERY] = server_response.battery_percent
 
                 # pycarwings2 library doesn't always provide cruising rnages
diff --git a/homeassistant/components/openalpr_cloud/image_processing.py b/homeassistant/components/openalpr_cloud/image_processing.py
index 41a631937d7..8f04b0838fe 100644
--- a/homeassistant/components/openalpr_cloud/image_processing.py
+++ b/homeassistant/components/openalpr_cloud/image_processing.py
@@ -17,7 +17,7 @@ from homeassistant.components.image_processing import (
 from homeassistant.components.openalpr_local.image_processing import (
     ImageProcessingAlprEntity,
 )
-from homeassistant.const import CONF_API_KEY
+from homeassistant.const import CONF_API_KEY, HTTP_OK
 from homeassistant.core import split_entity_id
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
@@ -121,7 +121,7 @@ class OpenAlprCloudEntity(ImageProcessingAlprEntity):
 
                 data = await request.json()
 
-                if request.status != 200:
+                if request.status != HTTP_OK:
                     _LOGGER.error("Error %d -> %s.", request.status, data.get("error"))
                     return
 
diff --git a/homeassistant/components/openexchangerates/sensor.py b/homeassistant/components/openexchangerates/sensor.py
index cc6da709dff..9846e305291 100644
--- a/homeassistant/components/openexchangerates/sensor.py
+++ b/homeassistant/components/openexchangerates/sensor.py
@@ -12,6 +12,7 @@ from homeassistant.const import (
     CONF_BASE,
     CONF_NAME,
     CONF_QUOTE,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
@@ -49,7 +50,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     rest = OpenexchangeratesData(_RESOURCE, parameters, quote)
     response = requests.get(_RESOURCE, params=parameters, timeout=10)
 
-    if response.status_code != 200:
+    if response.status_code != HTTP_OK:
         _LOGGER.error("Check your OpenExchangeRates API key")
         return False
 
diff --git a/homeassistant/components/prowl/notify.py b/homeassistant/components/prowl/notify.py
index d5167ebfdc9..ada7fbb5f34 100644
--- a/homeassistant/components/prowl/notify.py
+++ b/homeassistant/components/prowl/notify.py
@@ -12,7 +12,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import CONF_API_KEY
+from homeassistant.const import CONF_API_KEY, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 
@@ -57,7 +57,7 @@ class ProwlNotificationService(BaseNotificationService):
                 response = await session.post(url, data=payload)
                 result = await response.text()
 
-            if response.status != 200 or "error" in result:
+            if response.status != HTTP_OK or "error" in result:
                 _LOGGER.error(
                     "Prowl service returned http status %d, response %s",
                     response.status,
diff --git a/homeassistant/components/pushsafer/notify.py b/homeassistant/components/pushsafer/notify.py
index 436191ab864..12735764b4b 100644
--- a/homeassistant/components/pushsafer/notify.py
+++ b/homeassistant/components/pushsafer/notify.py
@@ -15,6 +15,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
+from homeassistant.const import HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -118,7 +119,7 @@ class PushsaferNotificationService(BaseNotificationService):
         for target in targets:
             payload["d"] = target
             response = requests.post(_RESOURCE, data=payload, timeout=CONF_TIMEOUT)
-            if response.status_code != 200:
+            if response.status_code != HTTP_OK:
                 _LOGGER.error("Pushsafer failed with: %s", response.text)
             else:
                 _LOGGER.debug("Push send: %s", response.json())
diff --git a/homeassistant/components/rachio/config_flow.py b/homeassistant/components/rachio/config_flow.py
index 64e78a24f4a..2f5835ad614 100644
--- a/homeassistant/components/rachio/config_flow.py
+++ b/homeassistant/components/rachio/config_flow.py
@@ -5,7 +5,7 @@ from rachiopy import Rachio
 import voluptuous as vol
 
 from homeassistant import config_entries, core, exceptions
-from homeassistant.const import CONF_API_KEY
+from homeassistant.const import CONF_API_KEY, HTTP_OK
 from homeassistant.core import callback
 
 from .const import (
@@ -33,13 +33,13 @@ async def validate_input(hass: core.HomeAssistant, data):
     try:
         data = await hass.async_add_executor_job(rachio.person.getInfo)
         _LOGGER.debug("rachio.person.getInfo: %s", data)
-        if int(data[0][KEY_STATUS]) != 200:
+        if int(data[0][KEY_STATUS]) != HTTP_OK:
             raise InvalidAuth
 
         rachio_id = data[1][KEY_ID]
         data = await hass.async_add_executor_job(rachio.person.get, rachio_id)
         _LOGGER.debug("rachio.person.get: %s", data)
-        if int(data[0][KEY_STATUS]) != 200:
+        if int(data[0][KEY_STATUS]) != HTTP_OK:
             raise CannotConnect
 
         username = data[1][KEY_USERNAME]
diff --git a/homeassistant/components/rachio/device.py b/homeassistant/components/rachio/device.py
index 7ff47f7a221..f7357a1b2dc 100644
--- a/homeassistant/components/rachio/device.py
+++ b/homeassistant/components/rachio/device.py
@@ -3,7 +3,7 @@
 import logging
 from typing import Optional
 
-from homeassistant.const import EVENT_HOMEASSISTANT_STOP
+from homeassistant.const import EVENT_HOMEASSISTANT_STOP, HTTP_OK
 
 from .const import (
     KEY_DEVICES,
@@ -40,12 +40,12 @@ class RachioPerson:
     def setup(self, hass):
         """Rachio device setup."""
         response = self.rachio.person.getInfo()
-        assert int(response[0][KEY_STATUS]) == 200, "API key error"
+        assert int(response[0][KEY_STATUS]) == HTTP_OK, "API key error"
         self._id = response[1][KEY_ID]
 
         # Use user ID to get user data
         data = self.rachio.person.get(self._id)
-        assert int(data[0][KEY_STATUS]) == 200, "User ID error"
+        assert int(data[0][KEY_STATUS]) == HTTP_OK, "User ID error"
         self.username = data[1][KEY_USERNAME]
         devices = data[1][KEY_DEVICES]
         for controller in devices:
diff --git a/homeassistant/components/radarr/sensor.py b/homeassistant/components/radarr/sensor.py
index 6cfdd53653d..30051d929db 100644
--- a/homeassistant/components/radarr/sensor.py
+++ b/homeassistant/components/radarr/sensor.py
@@ -23,6 +23,7 @@ from homeassistant.const import (
     DATA_TERABYTES,
     DATA_YOTTABYTES,
     DATA_ZETTABYTES,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
@@ -193,7 +194,7 @@ class RadarrSensor(Entity):
             self._state = None
             return
 
-        if res.status_code == 200:
+        if res.status_code == HTTP_OK:
             if self.type in ["upcoming", "movies", "commands"]:
                 self.data = res.json()
                 self._state = len(self.data)
diff --git a/homeassistant/components/rest/notify.py b/homeassistant/components/rest/notify.py
index 4f3de14b731..b9739841130 100644
--- a/homeassistant/components/rest/notify.py
+++ b/homeassistant/components/rest/notify.py
@@ -23,6 +23,7 @@ from homeassistant.const import (
     CONF_VERIFY_SSL,
     HTTP_BASIC_AUTHENTICATION,
     HTTP_DIGEST_AUTHENTICATION,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 
@@ -195,7 +196,7 @@ class RestNotificationService(BaseNotificationService):
             _LOGGER.exception(
                 "Client error. Response %d: %s:", response.status_code, response.reason
             )
-        elif response.status_code >= 200 and response.status_code < 300:
+        elif response.status_code >= HTTP_OK and response.status_code < 300:
             _LOGGER.debug(
                 "Success. Response %d: %s:", response.status_code, response.reason
             )
diff --git a/homeassistant/components/rest/switch.py b/homeassistant/components/rest/switch.py
index fe409a46be7..71df1852e7a 100644
--- a/homeassistant/components/rest/switch.py
+++ b/homeassistant/components/rest/switch.py
@@ -16,6 +16,7 @@ from homeassistant.const import (
     CONF_TIMEOUT,
     CONF_USERNAME,
     CONF_VERIFY_SSL,
+    HTTP_OK,
 )
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
@@ -153,7 +154,7 @@ class RestSwitch(SwitchDevice):
         try:
             req = await self.set_device_state(body_on_t)
 
-            if req.status == 200:
+            if req.status == HTTP_OK:
                 self._state = True
             else:
                 _LOGGER.error(
@@ -168,7 +169,7 @@ class RestSwitch(SwitchDevice):
 
         try:
             req = await self.set_device_state(body_off_t)
-            if req.status == 200:
+            if req.status == HTTP_OK:
                 self._state = False
             else:
                 _LOGGER.error(
diff --git a/homeassistant/components/rocketchat/notify.py b/homeassistant/components/rocketchat/notify.py
index 2b5b8dcd235..efb2288f4d8 100644
--- a/homeassistant/components/rocketchat/notify.py
+++ b/homeassistant/components/rocketchat/notify.py
@@ -13,7 +13,13 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import CONF_PASSWORD, CONF_ROOM, CONF_URL, CONF_USERNAME
+from homeassistant.const import (
+    CONF_PASSWORD,
+    CONF_ROOM,
+    CONF_URL,
+    CONF_USERNAME,
+    HTTP_OK,
+)
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -62,7 +68,7 @@ class RocketChatNotificationService(BaseNotificationService):
         """Send a message to Rocket.Chat."""
         data = kwargs.get(ATTR_DATA) or {}
         resp = self._server.chat_post_message(message, channel=self._room, **data)
-        if resp.status_code == 200:
+        if resp.status_code == HTTP_OK:
             success = resp.json()["success"]
             if not success:
                 _LOGGER.error("Unable to post Rocket.Chat message")
diff --git a/homeassistant/components/route53/__init__.py b/homeassistant/components/route53/__init__.py
index a84475ab8a1..cda4ba9dc86 100644
--- a/homeassistant/components/route53/__init__.py
+++ b/homeassistant/components/route53/__init__.py
@@ -7,7 +7,7 @@ import boto3
 from ipify import exceptions, get_ip
 import voluptuous as vol
 
-from homeassistant.const import CONF_DOMAIN, CONF_TTL, CONF_ZONE
+from homeassistant.const import CONF_DOMAIN, CONF_TTL, CONF_ZONE, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.event import track_time_interval
 
@@ -118,5 +118,5 @@ def _update_route53(
     )
     _LOGGER.debug("Response is %s", response)
 
-    if response["ResponseMetadata"]["HTTPStatusCode"] != 200:
+    if response["ResponseMetadata"]["HTTPStatusCode"] != HTTP_OK:
         _LOGGER.warning(response)
diff --git a/homeassistant/components/rss_feed_template/__init__.py b/homeassistant/components/rss_feed_template/__init__.py
index 69bc9474267..b979e4d5261 100644
--- a/homeassistant/components/rss_feed_template/__init__.py
+++ b/homeassistant/components/rss_feed_template/__init__.py
@@ -5,6 +5,7 @@ from aiohttp import web
 import voluptuous as vol
 
 from homeassistant.components.http import HomeAssistantView
+from homeassistant.const import HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 CONTENT_TYPE_XML = "text/xml"
@@ -98,4 +99,6 @@ class RssView(HomeAssistantView):
 
         response += "</rss>\n"
 
-        return web.Response(body=response, content_type=CONTENT_TYPE_XML, status=200)
+        return web.Response(
+            body=response, content_type=CONTENT_TYPE_XML, status=HTTP_OK
+        )
diff --git a/homeassistant/components/sigfox/sensor.py b/homeassistant/components/sigfox/sensor.py
index da07290f422..6df6e1d0c82 100644
--- a/homeassistant/components/sigfox/sensor.py
+++ b/homeassistant/components/sigfox/sensor.py
@@ -8,7 +8,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import CONF_NAME
+from homeassistant.const import CONF_NAME, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 
@@ -66,7 +66,7 @@ class SigfoxAPI:
         """Check API credentials are valid."""
         url = urljoin(API_URL, "devicetypes")
         response = requests.get(url, auth=self._auth, timeout=10)
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             if response.status_code == 401:
                 _LOGGER.error("Invalid credentials for Sigfox API")
             else:
diff --git a/homeassistant/components/sky_hub/device_tracker.py b/homeassistant/components/sky_hub/device_tracker.py
index c7dc1092b73..2537196f21d 100644
--- a/homeassistant/components/sky_hub/device_tracker.py
+++ b/homeassistant/components/sky_hub/device_tracker.py
@@ -10,7 +10,7 @@ from homeassistant.components.device_tracker import (
     PLATFORM_SCHEMA,
     DeviceScanner,
 )
-from homeassistant.const import CONF_HOST
+from homeassistant.const import CONF_HOST, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -85,7 +85,7 @@ def _get_skyhub_data(url):
     except requests.exceptions.Timeout:
         _LOGGER.exception("Connection to the router timed out")
         return
-    if response.status_code == 200:
+    if response.status_code == HTTP_OK:
         return _parse_skyhub_response(response.text)
     _LOGGER.error("Invalid response from Sky Hub: %s", response)
 
diff --git a/homeassistant/components/sonarr/sensor.py b/homeassistant/components/sonarr/sensor.py
index c0781b37603..ac9b81be7a4 100644
--- a/homeassistant/components/sonarr/sensor.py
+++ b/homeassistant/components/sonarr/sensor.py
@@ -23,6 +23,7 @@ from homeassistant.const import (
     DATA_TERABYTES,
     DATA_YOTTABYTES,
     DATA_ZETTABYTES,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
@@ -220,7 +221,7 @@ class SonarrSensor(Entity):
             self._state = None
             return
 
-        if res.status_code == 200:
+        if res.status_code == HTTP_OK:
             if self.type in ["upcoming", "queue", "series", "commands"]:
                 if self.days == 1 and self.type == "upcoming":
                     # Sonarr API returns an empty array if start and end dates
diff --git a/homeassistant/components/squeezebox/media_player.py b/homeassistant/components/squeezebox/media_player.py
index 0610d4d9cf2..57305a3b4c0 100644
--- a/homeassistant/components/squeezebox/media_player.py
+++ b/homeassistant/components/squeezebox/media_player.py
@@ -33,6 +33,7 @@ from homeassistant.const import (
     CONF_PASSWORD,
     CONF_PORT,
     CONF_USERNAME,
+    HTTP_OK,
     STATE_IDLE,
     STATE_OFF,
     STATE_PAUSED,
@@ -223,7 +224,7 @@ class LogitechMediaServer:
             with async_timeout.timeout(TIMEOUT):
                 response = await websession.post(url, data=data, auth=auth)
 
-                if response.status != 200:
+                if response.status != HTTP_OK:
                     _LOGGER.error(
                         "Query failed, response code: %s Full message: %s",
                         response.status,
diff --git a/homeassistant/components/startca/sensor.py b/homeassistant/components/startca/sensor.py
index b6d90b99302..19c80a82e9f 100644
--- a/homeassistant/components/startca/sensor.py
+++ b/homeassistant/components/startca/sensor.py
@@ -13,6 +13,7 @@ from homeassistant.const import (
     CONF_MONITORED_VARIABLES,
     CONF_NAME,
     DATA_GIGABYTES,
+    HTTP_OK,
     UNIT_PERCENTAGE,
 )
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
@@ -146,7 +147,7 @@ class StartcaData:
         url = f"https://www.start.ca/support/usage/api?key={self.api_key}"
         with async_timeout.timeout(REQUEST_TIMEOUT):
             req = await self.websession.get(url)
-        if req.status != 200:
+        if req.status != HTTP_OK:
             _LOGGER.error("Request failed with status: %u", req.status)
             return False
 
diff --git a/homeassistant/components/synology_chat/notify.py b/homeassistant/components/synology_chat/notify.py
index 3e1aeb4ce13..c8f665cb408 100644
--- a/homeassistant/components/synology_chat/notify.py
+++ b/homeassistant/components/synology_chat/notify.py
@@ -10,7 +10,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import CONF_RESOURCE, CONF_VERIFY_SSL
+from homeassistant.const import CONF_RESOURCE, CONF_VERIFY_SSL, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 ATTR_FILE_URL = "file_url"
@@ -57,7 +57,7 @@ class SynologyChatNotificationService(BaseNotificationService):
             self._resource, data=to_send, timeout=10, verify=self._verify_ssl
         )
 
-        if response.status_code not in (200, 201):
+        if response.status_code not in (HTTP_OK, 201):
             _LOGGER.exception(
                 "Error sending message. Response %d: %s:",
                 response.status_code,
diff --git a/homeassistant/components/tado/device_tracker.py b/homeassistant/components/tado/device_tracker.py
index ea797754da8..5d87bfe8e34 100644
--- a/homeassistant/components/tado/device_tracker.py
+++ b/homeassistant/components/tado/device_tracker.py
@@ -13,7 +13,7 @@ from homeassistant.components.device_tracker import (
     PLATFORM_SCHEMA,
     DeviceScanner,
 )
-from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_create_clientsession
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
@@ -114,7 +114,7 @@ class TadoDeviceScanner(DeviceScanner):
 
                 response = await self.websession.get(url)
 
-                if response.status != 200:
+                if response.status != HTTP_OK:
                     _LOGGER.warning("Error %d on %s.", response.status, self.tadoapiurl)
                     return False
 
diff --git a/homeassistant/components/teksavvy/sensor.py b/homeassistant/components/teksavvy/sensor.py
index 0d2d290fed9..96331cb5347 100644
--- a/homeassistant/components/teksavvy/sensor.py
+++ b/homeassistant/components/teksavvy/sensor.py
@@ -11,6 +11,7 @@ from homeassistant.const import (
     CONF_MONITORED_VARIABLES,
     CONF_NAME,
     DATA_GIGABYTES,
+    HTTP_OK,
     UNIT_PERCENTAGE,
 )
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
@@ -144,7 +145,7 @@ class TekSavvyData:
         )
         with async_timeout.timeout(REQUEST_TIMEOUT):
             req = await self.websession.get(url, headers=headers)
-        if req.status != 200:
+        if req.status != HTTP_OK:
             _LOGGER.error("Request failed with status: %u", req.status)
             return False
 
diff --git a/homeassistant/components/tomato/device_tracker.py b/homeassistant/components/tomato/device_tracker.py
index 35db0671772..873da5a7864 100644
--- a/homeassistant/components/tomato/device_tracker.py
+++ b/homeassistant/components/tomato/device_tracker.py
@@ -18,6 +18,7 @@ from homeassistant.const import (
     CONF_SSL,
     CONF_USERNAME,
     CONF_VERIFY_SSL,
+    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 
@@ -102,7 +103,7 @@ class TomatoDeviceScanner(DeviceScanner):
 
             # Calling and parsing the Tomato api here. We only need the
             # wldev and dhcpd_lease values.
-            if response.status_code == 200:
+            if response.status_code == HTTP_OK:
 
                 for param, value in self.parse_api_pattern.findall(response.text):
 
diff --git a/homeassistant/components/traccar/__init__.py b/homeassistant/components/traccar/__init__.py
index 7e94ab0a351..03482292135 100644
--- a/homeassistant/components/traccar/__init__.py
+++ b/homeassistant/components/traccar/__init__.py
@@ -28,7 +28,7 @@ _LOGGER = logging.getLogger(__name__)
 TRACKER_UPDATE = f"{DOMAIN}_tracker_update"
 
 
-DEFAULT_ACCURACY = 200
+DEFAULT_ACCURACY = HTTP_OK
 DEFAULT_BATTERY = -1
 
 
diff --git a/homeassistant/components/tts/__init__.py b/homeassistant/components/tts/__init__.py
index d9d513198ce..726490b2030 100644
--- a/homeassistant/components/tts/__init__.py
+++ b/homeassistant/components/tts/__init__.py
@@ -22,7 +22,7 @@ from homeassistant.components.media_player.const import (
     MEDIA_TYPE_MUSIC,
     SERVICE_PLAY_MEDIA,
 )
-from homeassistant.const import ATTR_ENTITY_ID, CONF_PLATFORM
+from homeassistant.const import ATTR_ENTITY_ID, CONF_PLATFORM, HTTP_OK
 from homeassistant.core import callback
 from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers import config_per_platform, discovery
@@ -507,7 +507,7 @@ def _get_cache_files(cache_dir):
         record = _RE_VOICE_FILE.match(file_data)
         if record:
             key = KEY_PATTERN.format(
-                record.group(1), record.group(2), record.group(3), record.group(4),
+                record.group(1), record.group(2), record.group(3), record.group(4)
             )
             cache[key.lower()] = file_data.lower()
     return cache
@@ -543,7 +543,7 @@ class TextToSpeechUrlView(HomeAssistantView):
             url = await self.tts.async_get_url(
                 p_type, message, cache=cache, language=language, options=options
             )
-            resp = self.json({"url": url}, 200)
+            resp = self.json({"url": url}, HTTP_OK)
         except HomeAssistantError as err:
             _LOGGER.error("Error on init tts: %s", err)
             resp = self.json({"error": err}, 400)
diff --git a/homeassistant/components/twitter/notify.py b/homeassistant/components/twitter/notify.py
index 768e1ee7316..62e8fc17dff 100644
--- a/homeassistant/components/twitter/notify.py
+++ b/homeassistant/components/twitter/notify.py
@@ -14,7 +14,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import CONF_ACCESS_TOKEN, CONF_USERNAME
+from homeassistant.const import CONF_ACCESS_TOKEN, CONF_USERNAME, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.event import async_track_point_in_time
 
@@ -88,7 +88,7 @@ class TwitterNotificationService(BaseNotificationService):
         if self.user:
             user_resp = self.api.request("users/lookup", {"screen_name": self.user})
             user_id = user_resp.json()[0]["id"]
-            if user_resp.status_code != 200:
+            if user_resp.status_code != HTTP_OK:
                 self.log_error_resp(user_resp)
             else:
                 _LOGGER.debug("Message posted: %s", user_resp.json())
@@ -108,7 +108,7 @@ class TwitterNotificationService(BaseNotificationService):
                 "statuses/update", {"status": message, "media_ids": media_id}
             )
 
-        if resp.status_code != 200:
+        if resp.status_code != HTTP_OK:
             self.log_error_resp(resp)
         else:
             _LOGGER.debug("Message posted: %s", resp.json())
@@ -171,7 +171,7 @@ class TwitterNotificationService(BaseNotificationService):
         while bytes_sent < total_bytes:
             chunk = file.read(4 * 1024 * 1024)
             resp = self.upload_media_append(chunk, media_id, segment_id)
-            if resp.status_code not in range(200, 299):
+            if resp.status_code not in range(HTTP_OK, 299):
                 self.log_error_resp_append(resp)
                 return None
             segment_id = segment_id + 1
@@ -200,7 +200,7 @@ class TwitterNotificationService(BaseNotificationService):
             {"command": "STATUS", "media_id": media_id},
             method_override="GET",
         )
-        if resp.status_code != 200:
+        if resp.status_code != HTTP_OK:
             _LOGGER.error("media processing error: %s", resp.json())
         processing_info = resp.json()["processing_info"]
 
diff --git a/homeassistant/components/ubus/device_tracker.py b/homeassistant/components/ubus/device_tracker.py
index 1f5b5b4b1b6..4cefefc2f96 100644
--- a/homeassistant/components/ubus/device_tracker.py
+++ b/homeassistant/components/ubus/device_tracker.py
@@ -11,7 +11,7 @@ from homeassistant.components.device_tracker import (
     PLATFORM_SCHEMA,
     DeviceScanner,
 )
-from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
+from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME, HTTP_OK
 from homeassistant.exceptions import HomeAssistantError
 import homeassistant.helpers.config_validation as cv
 
@@ -214,7 +214,7 @@ def _req_json_rpc(url, session_id, rpcmethod, subsystem, method, **params):
     except (requests.exceptions.ConnectionError, requests.exceptions.Timeout):
         return
 
-    if res.status_code == 200:
+    if res.status_code == HTTP_OK:
         response = res.json()
         if "error" in response:
             if (
diff --git a/homeassistant/components/uk_transport/sensor.py b/homeassistant/components/uk_transport/sensor.py
index 77929436283..e7c01479a96 100644
--- a/homeassistant/components/uk_transport/sensor.py
+++ b/homeassistant/components/uk_transport/sensor.py
@@ -7,7 +7,7 @@ import requests
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import CONF_MODE, TIME_MINUTES
+from homeassistant.const import CONF_MODE, HTTP_OK, TIME_MINUTES
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 from homeassistant.util import Throttle
@@ -133,7 +133,7 @@ class UkTransportSensor(Entity):
         )
 
         response = requests.get(self._url, params=request_params)
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             _LOGGER.warning("Invalid response from API")
         elif "error" in response.json():
             if "exceeded" in response.json()["error"]:
diff --git a/homeassistant/components/viaggiatreno/sensor.py b/homeassistant/components/viaggiatreno/sensor.py
index 783581a0755..5de968f5eac 100644
--- a/homeassistant/components/viaggiatreno/sensor.py
+++ b/homeassistant/components/viaggiatreno/sensor.py
@@ -7,7 +7,7 @@ import async_timeout
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import ATTR_ATTRIBUTION, TIME_MINUTES
+from homeassistant.const import ATTR_ATTRIBUTION, HTTP_OK, TIME_MINUTES
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
 
@@ -72,7 +72,7 @@ async def async_http_request(hass, uri):
         session = hass.helpers.aiohttp_client.async_get_clientsession(hass)
         with async_timeout.timeout(REQUEST_TIMEOUT):
             req = await session.get(uri)
-        if req.status != 200:
+        if req.status != HTTP_OK:
             return {"error": req.status}
         json_response = await req.json()
         return json_response
diff --git a/homeassistant/components/voicerss/tts.py b/homeassistant/components/voicerss/tts.py
index 9f87dabf94f..52a3f9f1b1c 100644
--- a/homeassistant/components/voicerss/tts.py
+++ b/homeassistant/components/voicerss/tts.py
@@ -7,7 +7,7 @@ import async_timeout
 import voluptuous as vol
 
 from homeassistant.components.tts import CONF_LANG, PLATFORM_SCHEMA, Provider
-from homeassistant.const import CONF_API_KEY
+from homeassistant.const import CONF_API_KEY, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 
@@ -175,7 +175,7 @@ class VoiceRSSProvider(Provider):
             with async_timeout.timeout(10):
                 request = await websession.post(VOICERSS_API_URL, data=form_data)
 
-                if request.status != 200:
+                if request.status != HTTP_OK:
                     _LOGGER.error(
                         "Error %d on load url %s.", request.status, request.url
                     )
diff --git a/homeassistant/components/volumio/media_player.py b/homeassistant/components/volumio/media_player.py
index 5778df8c367..6d46b6015e0 100644
--- a/homeassistant/components/volumio/media_player.py
+++ b/homeassistant/components/volumio/media_player.py
@@ -31,6 +31,7 @@ from homeassistant.const import (
     CONF_HOST,
     CONF_NAME,
     CONF_PORT,
+    HTTP_OK,
     STATE_IDLE,
     STATE_PAUSED,
     STATE_PLAYING,
@@ -127,7 +128,7 @@ class Volumio(MediaPlayerDevice):
         try:
             websession = async_get_clientsession(self.hass)
             response = await websession.get(url, params=params)
-            if response.status == 200:
+            if response.status == HTTP_OK:
                 data = await response.json()
             else:
                 _LOGGER.error(
diff --git a/homeassistant/components/webhook/__init__.py b/homeassistant/components/webhook/__init__.py
index 217baf42f3a..84ebdaddad0 100644
--- a/homeassistant/components/webhook/__init__.py
+++ b/homeassistant/components/webhook/__init__.py
@@ -7,6 +7,7 @@ import voluptuous as vol
 
 from homeassistant.components import websocket_api
 from homeassistant.components.http.view import HomeAssistantView
+from homeassistant.const import HTTP_OK
 from homeassistant.core import callback
 from homeassistant.loader import bind_hass
 
@@ -71,16 +72,16 @@ async def async_handle_webhook(hass, webhook_id, request):
     # Always respond successfully to not give away if a hook exists or not.
     if webhook is None:
         _LOGGER.warning("Received message for unregistered webhook %s", webhook_id)
-        return Response(status=200)
+        return Response(status=HTTP_OK)
 
     try:
         response = await webhook["handler"](hass, webhook_id, request)
         if response is None:
-            response = Response(status=200)
+            response = Response(status=HTTP_OK)
         return response
     except Exception:  # pylint: disable=broad-except
         _LOGGER.exception("Error processing webhook %s", webhook_id)
-        return Response(status=200)
+        return Response(status=HTTP_OK)
 
 
 async def async_setup(hass, config):
diff --git a/homeassistant/components/wsdot/sensor.py b/homeassistant/components/wsdot/sensor.py
index 6ee55aa387f..786fd07f626 100644
--- a/homeassistant/components/wsdot/sensor.py
+++ b/homeassistant/components/wsdot/sensor.py
@@ -13,6 +13,7 @@ from homeassistant.const import (
     CONF_API_KEY,
     CONF_ID,
     CONF_NAME,
+    HTTP_OK,
     TIME_MINUTES,
 )
 import homeassistant.helpers.config_validation as cv
@@ -112,7 +113,7 @@ class WashingtonStateTravelTimeSensor(WashingtonStateTransportSensor):
         }
 
         response = requests.get(RESOURCE, params, timeout=10)
-        if response.status_code != 200:
+        if response.status_code != HTTP_OK:
             _LOGGER.warning("Invalid response from WSDOT API")
         else:
             self._data = response.json()
diff --git a/homeassistant/components/xiaomi/device_tracker.py b/homeassistant/components/xiaomi/device_tracker.py
index df16b13b931..530140b524f 100644
--- a/homeassistant/components/xiaomi/device_tracker.py
+++ b/homeassistant/components/xiaomi/device_tracker.py
@@ -9,7 +9,7 @@ from homeassistant.components.device_tracker import (
     PLATFORM_SCHEMA,
     DeviceScanner,
 )
-from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
+from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME, HTTP_OK
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -112,7 +112,7 @@ def _retrieve_list(host, token, **kwargs):
     except requests.exceptions.Timeout:
         _LOGGER.exception("Connection to the router timed out at URL %s", url)
         return
-    if res.status_code != 200:
+    if res.status_code != HTTP_OK:
         _LOGGER.exception("Connection failed with http code %s", res.status_code)
         return
     try:
@@ -150,7 +150,7 @@ def _get_token(host, username, password):
     except requests.exceptions.Timeout:
         _LOGGER.exception("Connection to the router timed out")
         return
-    if res.status_code == 200:
+    if res.status_code == HTTP_OK:
         try:
             result = res.json()
         except ValueError:
diff --git a/homeassistant/components/yandextts/tts.py b/homeassistant/components/yandextts/tts.py
index b06df4b7a42..32b77e08df4 100644
--- a/homeassistant/components/yandextts/tts.py
+++ b/homeassistant/components/yandextts/tts.py
@@ -7,7 +7,7 @@ import async_timeout
 import voluptuous as vol
 
 from homeassistant.components.tts import CONF_LANG, PLATFORM_SCHEMA, Provider
-from homeassistant.const import CONF_API_KEY
+from homeassistant.const import CONF_API_KEY, HTTP_OK
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 
@@ -133,7 +133,7 @@ class YandexSpeechKitProvider(Provider):
 
                 request = await websession.get(YANDEX_API_URL, params=url_param)
 
-                if request.status != 200:
+                if request.status != HTTP_OK:
                     _LOGGER.error(
                         "Error %d on load URL %s", request.status, request.url
                     )
diff --git a/homeassistant/components/yr/sensor.py b/homeassistant/components/yr/sensor.py
index 2061c061dd0..e477f4a3c89 100644
--- a/homeassistant/components/yr/sensor.py
+++ b/homeassistant/components/yr/sensor.py
@@ -20,6 +20,7 @@ from homeassistant.const import (
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_PRESSURE,
     DEVICE_CLASS_TEMPERATURE,
+    HTTP_OK,
     PRESSURE_HPA,
     SPEED_METERS_PER_SECOND,
     TEMP_CELSIUS,
@@ -185,7 +186,7 @@ class YrData:
             websession = async_get_clientsession(self.hass)
             with async_timeout.timeout(10):
                 resp = await websession.get(self._url, params=self._urlparams)
-            if resp.status != 200:
+            if resp.status != HTTP_OK:
                 try_again(f"{resp.url} returned {resp.status}")
                 return
             text = await resp.text()
diff --git a/homeassistant/util/aiohttp.py b/homeassistant/util/aiohttp.py
index 69911986f57..d43929dd777 100644
--- a/homeassistant/util/aiohttp.py
+++ b/homeassistant/util/aiohttp.py
@@ -5,6 +5,8 @@ from urllib.parse import parse_qsl
 
 from multidict import CIMultiDict, MultiDict
 
+from homeassistant.const import HTTP_OK
+
 
 class MockRequest:
     """Mock an aiohttp request."""
@@ -13,7 +15,7 @@ class MockRequest:
         self,
         content: bytes,
         method: str = "GET",
-        status: int = 200,
+        status: int = HTTP_OK,
         headers: Optional[Dict[str, str]] = None,
         query_string: Optional[str] = None,
         url: str = "",