Use contextlib.suppress where possible (#48189)

homeassistant/components/acmeda/config_flow.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 
 import aiopulse
 import async_timeout
@@ -37,13 +38,10 @@ class AcmedaFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         }
 
         hubs = []
-        try:
+        with suppress(asyncio.TimeoutError), async_timeout.timeout(5):
-            with async_timeout.timeout(5):
+            async for hub in aiopulse.Hub.discover():
-                async for hub in aiopulse.Hub.discover():
+                if hub.id not in already_configured:
-                    if hub.id not in already_configured:
+                    hubs.append(hub)
-                        hubs.append(hub)
-        except asyncio.TimeoutError:
-            pass
 
         if len(hubs) == 0:
             return self.async_abort(reason="no_devices_found")

homeassistant/components/amcrest/__init__.py

@@ -1,4 +1,5 @@
 """Support for Amcrest IP cameras."""
+from contextlib import suppress
 from datetime import timedelta
 import logging
 import threading
@@ -191,10 +192,8 @@ class AmcrestChecker(Http):
     def _wrap_test_online(self, now):
         """Test if camera is back online."""
         _LOGGER.debug("Testing if %s back online", self._wrap_name)
-        try:
+        with suppress(AmcrestError):
-            self.current_time
+            self.current_time  # pylint: disable=pointless-statement
-        except AmcrestError:
-            pass
 
 
 def _monitor_events(hass, name, api, event_codes):

homeassistant/components/amcrest/binary_sensor.py

@@ -1,4 +1,5 @@
 """Support for Amcrest IP camera binary sensors."""
+from contextlib import suppress
 from datetime import timedelta
 import logging
 
@@ -154,10 +155,8 @@ class AmcrestBinarySensor(BinarySensorEntity):
             # Send a command to the camera to test if we can still communicate with it.
             # Override of Http.command() in __init__.py will set self._api.available
             # accordingly.
-            try:
+            with suppress(AmcrestError):
-                self._api.current_time
+                self._api.current_time  # pylint: disable=pointless-statement
-            except AmcrestError:
-                pass
         self._state = self._api.available
 
     def _update_others(self):

homeassistant/components/api/__init__.py

@@ -1,5 +1,6 @@
 """Rest API for Home Assistant."""
 import asyncio
+from contextlib import suppress
 import json
 import logging
 
@@ -196,15 +197,11 @@ class APIDiscoveryView(HomeAssistantView):
             ATTR_VERSION: __version__,
         }
 
-        try:
+        with suppress(NoURLAvailableError):
             data["external_url"] = get_url(hass, allow_internal=False)
-        except NoURLAvailableError:
-            pass
 
-        try:
+        with suppress(NoURLAvailableError):
             data["internal_url"] = get_url(hass, allow_external=False)
-        except NoURLAvailableError:
-            pass
 
         # Set old base URL based on external or internal
         data["base_url"] = data["external_url"] or data["internal_url"]

homeassistant/components/apns/notify.py

@@ -1,4 +1,5 @@
 """APNS Notification platform."""
+from contextlib import suppress
 import logging
 
 from apns2.client import APNsClient
@@ -155,7 +156,7 @@ class ApnsNotificationService(BaseNotificationService):
         self.device_states = {}
         self.topic = topic
 
-        try:
+        with suppress(FileNotFoundError):
             self.devices = {
                 str(key): ApnsDevice(
                     str(key),
@@ -165,8 +166,6 @@ class ApnsNotificationService(BaseNotificationService):
                 )
                 for (key, value) in load_yaml_config_file(self.yaml_path).items()
             }
-        except FileNotFoundError:
-            pass
 
         tracking_ids = [
             device.full_tracking_device_id

homeassistant/components/arcam_fmj/__init__.py

@@ -1,5 +1,6 @@
 """Arcam component."""
 import asyncio
+from contextlib import suppress
 import logging
 
 from arcam.fmj import ConnectionFailed
@@ -28,10 +29,8 @@ CONFIG_SCHEMA = cv.deprecated(DOMAIN)
 
 async def _await_cancel(task):
     task.cancel()
-    try:
+    with suppress(asyncio.CancelledError):
         await task
-    except asyncio.CancelledError:
-        pass
 
 
 async def async_setup(hass: HomeAssistantType, config: ConfigType):

homeassistant/components/automation/config.py

@@ -1,5 +1,6 @@
 """Config validation helper for the automation integration."""
 import asyncio
+from contextlib import suppress
 
 import voluptuous as vol
 
@@ -88,11 +89,8 @@ class AutomationConfig(dict):
 async def _try_async_validate_config_item(hass, config, full_config=None):
     """Validate config item."""
     raw_config = None
-    try:
+    with suppress(ValueError):
         raw_config = dict(config)
-    except ValueError:
-        # Invalid config
-        pass
 
     try:
         config = await async_validate_config_item(hass, config, full_config)

homeassistant/components/bizkaibus/sensor.py

@@ -1,4 +1,6 @@
 """Support for Bizkaibus, Biscay (Basque Country, Spain) Bus service."""
+from contextlib import suppress
+
 from bizkaibus.bizkaibus import BizkaibusData
 import voluptuous as vol
 
@@ -61,10 +63,8 @@ class BizkaibusSensor(SensorEntity):
     def update(self):
         """Get the latest data from the webservice."""
         self.data.update()
-        try:
+        with suppress(TypeError):
             self._state = self.data.info[0][ATTR_DUE_IN]
-        except TypeError:
-            pass
 
 
 class Bizkaibus:

homeassistant/components/bme280/sensor.py

@@ -1,4 +1,5 @@
 """Support for BME280 temperature, humidity and pressure sensor."""
+from contextlib import suppress
 from datetime import timedelta
 from functools import partial
 import logging
@@ -110,13 +111,11 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     sensor_handler = await hass.async_add_executor_job(BME280Handler, sensor)
 
     dev = []
-    try:
+    with suppress(KeyError):
         for variable in config[CONF_MONITORED_CONDITIONS]:
             dev.append(
                 BME280Sensor(sensor_handler, variable, SENSOR_TYPES[variable][1], name)
             )
-    except KeyError:
-        pass
 
     async_add_entities(dev, True)
 

homeassistant/components/broadlink/device.py

@@ -1,5 +1,6 @@
 """Support for Broadlink devices."""
 import asyncio
+from contextlib import suppress
 from functools import partial
 import logging
 
@@ -102,10 +103,8 @@ class BroadlinkDevice:
         self.hass.data[DOMAIN].devices[config.entry_id] = self
         self.reset_jobs.append(config.add_update_listener(self.async_update))
 
-        try:
+        with suppress(BroadlinkException, OSError):
             self.fw_version = await self.hass.async_add_executor_job(api.get_fwversion)
-        except (BroadlinkException, OSError):
-            pass
 
         # Forward entry setup to related domains.
         tasks = (

homeassistant/components/cast/media_player.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 from datetime import timedelta
 import functools as ft
 import json
@@ -330,21 +331,14 @@ class CastDevice(MediaPlayerEntity):
             tts_base_url = None
             url_description = ""
             if "tts" in self.hass.config.components:
-                try:
+                with suppress(KeyError):  # base_url not configured
                     tts_base_url = self.hass.components.tts.get_base_url(self.hass)
-                except KeyError:
+
-                    # base_url not configured, ignore
+            with suppress(NoURLAvailableError):  # external_url not configured
-                    pass
-            try:
                 external_url = get_url(self.hass, allow_internal=False)
-            except NoURLAvailableError:
+
-                # external_url not configured, ignore
+            with suppress(NoURLAvailableError):  # internal_url not configured
-                pass
-            try:
                 internal_url = get_url(self.hass, allow_external=False)
-            except NoURLAvailableError:
-                # internal_url not configured, ignore
-                pass
 
             if media_status.content_id:
                 if tts_base_url and media_status.content_id.startswith(tts_base_url):

homeassistant/components/cloud/alexa_config.py

@@ -1,5 +1,6 @@
 """Alexa configuration for Home Assistant Cloud."""
 import asyncio
+from contextlib import suppress
 from datetime import timedelta
 import logging
 
@@ -322,7 +323,5 @@ class AlexaConfig(alexa_config.AbstractConfig):
             if "old_entity_id" in event.data:
                 to_remove.append(event.data["old_entity_id"])
 
-        try:
+        with suppress(alexa_errors.NoTokenAvailable):
             await self._sync_helper(to_update, to_remove)
-        except alexa_errors.NoTokenAvailable:
-            pass

homeassistant/components/configurator/__init__.py

@@ -6,6 +6,7 @@ This will return a request id that has to be used for future calls.
 A callback has to be provided to `request_config` which will be called when
 the user has submitted configuration information.
 """
+from contextlib import suppress
 import functools as ft
 
 from homeassistant.const import (
@@ -96,11 +97,8 @@ def request_config(hass, *args, **kwargs):
 @async_callback
 def async_notify_errors(hass, request_id, error):
     """Add errors to a config request."""
-    try:
+    with suppress(KeyError):  # If request_id does not exist
         hass.data[DATA_REQUESTS][request_id].async_notify_errors(request_id, error)
-    except KeyError:
-        # If request_id does not exist
-        pass
 
 
 @bind_hass
@@ -115,11 +113,8 @@ def notify_errors(hass, request_id, error):
 @async_callback
 def async_request_done(hass, request_id):
     """Mark a configuration request as done."""
-    try:
+    with suppress(KeyError):  # If request_id does not exist
         hass.data[DATA_REQUESTS].pop(request_id).async_request_done(request_id)
-    except KeyError:
-        # If request_id does not exist
-        pass
 
 
 @bind_hass

homeassistant/components/denonavr/media_player.py

@@ -1,5 +1,6 @@
 """Support for Denon AVR receivers using their HTTP interface."""
 
+from contextlib import suppress
 import logging
 
 from homeassistant.components.media_player import MediaPlayerEntity
@@ -372,11 +373,9 @@ class DenonDevice(MediaPlayerEntity):
         volume_denon = float((volume * 100) - 80)
         if volume_denon > 18:
             volume_denon = float(18)
-        try:
+        with suppress(ValueError):
             if self._receiver.set_volume(volume_denon):
                 self._volume = volume_denon
-        except ValueError:
-            pass
 
     def mute_volume(self, mute):
         """Send mute command."""

homeassistant/components/dht/sensor.py

@@ -1,4 +1,5 @@
 """Support for Adafruit DHT temperature and humidity sensor."""
+from contextlib import suppress
 from datetime import timedelta
 import logging
 
@@ -74,7 +75,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     dev = []
     name = config[CONF_NAME]
 
-    try:
+    with suppress(KeyError):
         for variable in config[CONF_MONITORED_CONDITIONS]:
             dev.append(
                 DHTSensor(
@@ -86,8 +87,6 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
                     humidity_offset,
                 )
             )
-    except KeyError:
-        pass
 
     add_entities(dev, True)
 

homeassistant/components/dsmr/__init__.py

@@ -1,6 +1,7 @@
 """The dsmr component."""
 import asyncio
 from asyncio import CancelledError
+from contextlib import suppress
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -36,10 +37,8 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry):
 
     # Cancel the reconnect task
     task.cancel()
-    try:
+    with suppress(CancelledError):
         await task
-    except CancelledError:
-        pass
 
     unload_ok = all(
         await asyncio.gather(

homeassistant/components/dsmr/sensor.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 
 import asyncio
 from asyncio import CancelledError
+from contextlib import suppress
 from datetime import timedelta
 from functools import partial
 import logging
@@ -342,10 +343,8 @@ class DSMREntity(SensorEntity):
         if self._obis == obis_ref.ELECTRICITY_ACTIVE_TARIFF:
             return self.translate_tariff(value, self._config[CONF_DSMR_VERSION])
 
-        try:
+        with suppress(TypeError):
             value = round(float(value), self._config[CONF_PRECISION])
-        except TypeError:
-            pass
 
         if value is not None:
             return value

homeassistant/components/dublin_bus_transport/sensor.py

@@ -4,6 +4,7 @@ Support for Dublin RTPI information from data.dublinked.ie.
 For more info on the API see :
 https://data.gov.ie/dataset/real-time-passenger-information-rtpi-for-dublin-bus-bus-eireann-luas-and-irish-rail/resource/4b9f2c4f-6bf5-4958-a43a-f12dab04cf61
 """
+from contextlib import suppress
 from datetime import datetime, timedelta
 
 import requests
@@ -117,10 +118,8 @@ class DublinPublicTransportSensor(SensorEntity):
         """Get the latest data from opendata.ch and update the states."""
         self.data.update()
         self._times = self.data.info
-        try:
+        with suppress(TypeError):
             self._state = self._times[0][ATTR_DUE_IN]
-        except TypeError:
-            pass
 
 
 class PublicTransportData:

homeassistant/components/emulated_hue/__init__.py

@@ -1,4 +1,5 @@
 """Support for local control of entities by emulating a Philips Hue bridge."""
+from contextlib import suppress
 import logging
 
 from aiohttp import web
@@ -341,8 +342,6 @@ class Config:
 
 def _load_json(filename):
     """Load JSON, handling invalid syntax."""
-    try:
+    with suppress(HomeAssistantError):
         return load_json(filename)
-    except HomeAssistantError:
-        pass
     return {}

homeassistant/components/fibaro/sensor.py

@@ -1,4 +1,6 @@
 """Support for Fibaro sensors."""
+from contextlib import suppress
+
 from homeassistant.components.sensor import DOMAIN, SensorEntity
 from homeassistant.const import (
     CONCENTRATION_PARTS_PER_MILLION,
@@ -71,7 +73,7 @@ class FibaroSensor(FibaroDevice, SensorEntity):
             self._unit = None
             self._icon = None
             self._device_class = None
-        try:
+        with suppress(KeyError, ValueError):
             if not self._unit:
                 if self.fibaro_device.properties.unit == "lux":
                     self._unit = LIGHT_LUX
@@ -81,8 +83,6 @@ class FibaroSensor(FibaroDevice, SensorEntity):
                     self._unit = TEMP_FAHRENHEIT
                 else:
                     self._unit = self.fibaro_device.properties.unit
-        except (KeyError, ValueError):
-            pass
 
     @property
     def state(self):
@@ -106,7 +106,5 @@ class FibaroSensor(FibaroDevice, SensorEntity):
 
     def update(self):
         """Update the state."""
-        try:
+        with suppress(KeyError, ValueError):
             self.current_value = float(self.fibaro_device.properties.value)
-        except (KeyError, ValueError):
-            pass

homeassistant/components/forked_daapd/config_flow.py

@@ -1,4 +1,5 @@
 """Config flow to configure forked-daapd devices."""
+from contextlib import suppress
 import logging
 
 from pyforked_daapd import ForkedDaapdAPI
@@ -161,12 +162,10 @@ class ForkedDaapdFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         if discovery_info.get("properties") and discovery_info["properties"].get(
             "Machine Name"
         ):
-            try:
+            with suppress(ValueError):
                 version_num = int(
                     discovery_info["properties"].get("mtd-version", "0").split(".")[0]
                 )
-            except ValueError:
-                pass
         if version_num < 27:
             return self.async_abort(reason="not_forked_daapd")
         await self.async_set_unique_id(discovery_info["properties"]["Machine Name"])

homeassistant/components/fritzbox_callmonitor/base.py

@@ -1,4 +1,5 @@
 """Base class for fritzbox_callmonitor entities."""
+from contextlib import suppress
 from datetime import timedelta
 import logging
 import re
@@ -69,11 +70,7 @@ class FritzBoxPhonebook:
             return UNKOWN_NAME
 
         for prefix in self.prefixes:
-            try:
+            with suppress(KeyError):
                 return self.number_dict[prefix + number]
-            except KeyError:
+            with suppress(KeyError):
-                pass
-            try:
                 return self.number_dict[prefix + number.lstrip("0")]
-            except KeyError:
-                pass

homeassistant/components/graphite/__init__.py

@@ -1,4 +1,5 @@
 """Support for sending data to a Graphite installation."""
+from contextlib import suppress
 import logging
 import queue
 import socket
@@ -111,10 +112,8 @@ class GraphiteFeeder(threading.Thread):
         """Report the attributes."""
         now = time.time()
         things = dict(new_state.attributes)
-        try:
+        with suppress(ValueError):
             things["state"] = state.state_as_number(new_state)
-        except ValueError:
-            pass
         lines = [
             "%s.%s.%s %f %i"
             % (self._prefix, entity_id, key.replace(" ", "_"), value, now)

homeassistant/components/hangouts/hangouts_bot.py

@@ -1,5 +1,6 @@
 """The Hangouts Bot."""
 import asyncio
+from contextlib import suppress
 import io
 import logging
 
@@ -103,12 +104,10 @@ class HangoutsBot:
 
                 self._conversation_intents[conv_id][intent_type] = data
 
-        try:
+        with suppress(ValueError):
             self._conversation_list.on_event.remove_observer(
                 self._async_handle_conversation_event
             )
-        except ValueError:
-            pass
         self._conversation_list.on_event.add_observer(
             self._async_handle_conversation_event
         )

homeassistant/components/html5/notify.py

@@ -1,4 +1,5 @@
 """HTML5 Push Messaging notification service."""
+from contextlib import suppress
 from datetime import datetime, timedelta
 from functools import partial
 import json
@@ -202,10 +203,8 @@ def get_service(hass, config, discovery_info=None):
 
 def _load_config(filename):
     """Load configuration."""
-    try:
+    with suppress(HomeAssistantError):
         return load_json(filename)
-    except HomeAssistantError:
-        pass
     return {}
 
 
@@ -325,10 +324,8 @@ class HTML5PushCallbackView(HomeAssistantView):
         if target_check.get(ATTR_TARGET) in self.registrations:
             possible_target = self.registrations[target_check[ATTR_TARGET]]
             key = possible_target[ATTR_SUBSCRIPTION][ATTR_KEYS][ATTR_AUTH]
-            try:
+            with suppress(jwt.exceptions.DecodeError):
                 return jwt.decode(token, key, algorithms=["ES256", "HS256"])
-            except jwt.exceptions.DecodeError:
-                pass
 
         return self.json_message(
             "No target found in JWT", status_code=HTTP_UNAUTHORIZED

homeassistant/components/http/ban.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 from collections import defaultdict
+from contextlib import suppress
 from datetime import datetime
 from ipaddress import ip_address
 import logging
@@ -99,12 +100,10 @@ async def process_wrong_login(request):
 
     remote_addr = ip_address(request.remote)
     remote_host = request.remote
-    try:
+    with suppress(herror):
         remote_host, _, _ = await hass.async_add_executor_job(
             gethostbyaddr, request.remote
         )
-    except herror:
-        pass
 
     base_msg = f"Login attempt or request with invalid authentication from {remote_host} ({remote_addr})."
 

homeassistant/components/huawei_lte/__init__.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 from collections import defaultdict
+from contextlib import suppress
 from datetime import timedelta
 from functools import partial
 import ipaddress
@@ -161,10 +162,8 @@ class Router:
             (KEY_DEVICE_BASIC_INFORMATION, "devicename"),
             (KEY_DEVICE_INFORMATION, "DeviceName"),
         ):
-            try:
+            with suppress(KeyError, TypeError):
                 return cast(str, self.data[key][item])
-            except (KeyError, TypeError):
-                pass
         return DEFAULT_DEVICE_NAME
 
     @property

homeassistant/components/hunterdouglas_powerview/cover.py

@@ -1,5 +1,6 @@
 """Support for hunter douglas shades."""
 import asyncio
+from contextlib import suppress
 import logging
 
 from aiopvapi.helpers.constants import ATTR_POSITION1, ATTR_POSITION_DATA
@@ -65,12 +66,10 @@ async def async_setup_entry(hass, entry, async_add_entities):
         # possible
         shade = PvShade(raw_shade, pv_request)
         name_before_refresh = shade.name
-        try:
+        with suppress(asyncio.TimeoutError):
             async with async_timeout.timeout(1):
                 await shade.refresh()
-        except asyncio.TimeoutError:
+
-            # Forced refresh is not required for setup
-            pass
         if ATTR_POSITION_DATA not in shade.raw_data:
             _LOGGER.info(
                 "The %s shade was skipped because it is missing position data",

homeassistant/components/hyperion/__init__.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 import logging
 from typing import Any, Callable, cast
 
@@ -159,7 +160,7 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
         raise ConfigEntryNotReady
     version = await hyperion_client.async_sysinfo_version()
     if version is not None:
-        try:
+        with suppress(ValueError):
             if AwesomeVersion(version) < AwesomeVersion(HYPERION_VERSION_WARN_CUTOFF):
                 _LOGGER.warning(
                     "Using a Hyperion server version < %s is not recommended -- "
@@ -168,8 +169,6 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
                     HYPERION_VERSION_WARN_CUTOFF,
                     HYPERION_RELEASES_URL,
                 )
-        except ValueError:
-            pass
 
     # Client needs authentication, but no token provided? => Reauth.
     auth_resp = await hyperion_client.async_is_auth_required()

homeassistant/components/hyperion/config_flow.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 import logging
 from typing import Any
 from urllib.parse import urlparse
@@ -257,10 +258,8 @@ class HyperionConfigFlow(ConfigFlow, domain=DOMAIN):
             if not self._request_token_task.done():
                 self._request_token_task.cancel()
 
-            try:
+            with suppress(asyncio.CancelledError):
                 await self._request_token_task
-            except asyncio.CancelledError:
-                pass
             self._request_token_task = None
 
     async def _request_token_task_func(self, auth_id: str) -> None:

homeassistant/components/influxdb/__init__.py

@@ -1,6 +1,7 @@
 """Support for sending data to an Influx database."""
 from __future__ import annotations
 
+from contextlib import suppress
 from dataclasses import dataclass
 import logging
 import math
@@ -304,11 +305,9 @@ def _generate_event_to_json(conf: dict) -> Callable[[dict], str]:
                         )
 
                 # Infinity and NaN are not valid floats in InfluxDB
-                try:
+                with suppress(KeyError, TypeError):
                     if not math.isfinite(json[INFLUX_CONF_FIELDS][key]):
                         del json[INFLUX_CONF_FIELDS][key]
-                except (KeyError, TypeError):
-                    pass
 
         json[INFLUX_CONF_TAGS].update(tags)
 
@@ -382,10 +381,8 @@ def get_influx_connection(conf, test_write=False, test_read=False):
         if test_write:
             # Try to write b"" to influx. If we can connect and creds are valid
             # Then invalid inputs is returned. Anything else is a broken config
-            try:
+            with suppress(ValueError):
                 write_v2(b"")
-            except ValueError:
-                pass
             write_api = influx.write_api(write_options=ASYNCHRONOUS)
 
         if test_read:
@@ -530,7 +527,7 @@ class InfluxThread(threading.Thread):
 
         dropped = 0
 
-        try:
+        with suppress(queue.Empty):
             while len(json) < BATCH_BUFFER_SIZE and not self.shutdown:
                 timeout = None if count == 0 else self.batch_timeout()
                 item = self.queue.get(timeout=timeout)
@@ -549,9 +546,6 @@ class InfluxThread(threading.Thread):
                     else:
                         dropped += 1
 
-        except queue.Empty:
-            pass
-
         if dropped:
             _LOGGER.warning(CATCHING_UP_MESSAGE, dropped)
 

homeassistant/components/insteon/__init__.py

@@ -1,5 +1,6 @@
 """Support for INSTEON Modems (PLM and Hub)."""
 import asyncio
+from contextlib import suppress
 import logging
 
 from pyinsteon import async_close, async_connect, devices
@@ -37,10 +38,8 @@ async def async_get_device_config(hass, config_entry):
     # Make a copy of addresses due to edge case where the list of devices could change during status update
     # Cannot be done concurrently due to issues with the underlying protocol.
     for address in list(devices):
-        try:
+        with suppress(AttributeError):
             await devices[address].async_status()
-        except AttributeError:
-            pass
 
     await devices.async_load(id_devices=1)
     for addr in devices:

homeassistant/components/izone/config_flow.py

@@ -1,6 +1,7 @@
 """Config flow for izone."""
 
 import asyncio
+from contextlib import suppress
 import logging
 
 from async_timeout import timeout
@@ -28,11 +29,9 @@ async def _async_has_devices(hass):
 
     disco = await async_start_discovery_service(hass)
 
-    try:
+    with suppress(asyncio.TimeoutError):
         async with timeout(TIMEOUT_DISCOVERY):
             await controller_ready.wait()
-    except asyncio.TimeoutError:
-        pass
 
     if not disco.pi_disco.controllers:
         await async_stop_discovery_service(hass)

homeassistant/components/keyboard_remote/__init__.py

@@ -1,6 +1,7 @@
 """Receive signals from a keyboard and use it as a remote control."""
 # pylint: disable=import-error
 import asyncio
+from contextlib import suppress
 import logging
 import os
 
@@ -255,10 +256,8 @@ class KeyboardRemote:
         async def async_stop_monitoring(self):
             """Stop event monitoring task and issue event."""
             if self.monitor_task is not None:
-                try:
+                with suppress(OSError):
                     await self.hass.async_add_executor_job(self.dev.ungrab)
-                except OSError:
-                    pass
                 # monitoring of the device form the event loop and closing of the
                 # device has to occur before cancelling the task to avoid
                 # triggering unhandled exceptions inside evdev coroutines

homeassistant/components/kodi/browse_media.py

@@ -1,4 +1,5 @@
 """Support for media browsing."""
+from contextlib import suppress
 import logging
 
 from homeassistant.components.media_player import BrowseError, BrowseMedia
@@ -171,10 +172,8 @@ async def build_item_response(media_library, payload):
 
     children = []
     for item in media:
-        try:
+        with suppress(UnknownMediaType):
             children.append(item_payload(item, media_library))
-        except UnknownMediaType:
-            pass
 
     if search_type in (MEDIA_TYPE_TVSHOW, MEDIA_TYPE_MOVIE) and search_id == "":
         children.sort(key=lambda x: x.title.replace("The ", "", 1), reverse=False)

homeassistant/components/logbook/__init__.py

@@ -1,4 +1,5 @@
 """Event parser and human readable log generator."""
+from contextlib import suppress
 from datetime import timedelta
 from itertools import groupby
 import json
@@ -384,10 +385,8 @@ def humanify(hass, events, entity_attr_cache, context_lookup):
                 domain = event_data.get(ATTR_DOMAIN)
                 entity_id = event_data.get(ATTR_ENTITY_ID)
                 if domain is None and entity_id is not None:
-                    try:
+                    with suppress(IndexError):
                         domain = split_entity_id(str(entity_id))[0]
-                    except IndexError:
-                        pass
 
                 data = {
                     "when": event.time_fired_isoformat,

homeassistant/components/media_player/__init__.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 import asyncio
 import base64
 import collections
+from contextlib import suppress
 from datetime import timedelta
 import functools as ft
 import hashlib
@@ -935,18 +936,13 @@ class MediaPlayerEntity(Entity):
         """Retrieve an image."""
         content, content_type = (None, None)
         websession = async_get_clientsession(self.hass)
-        try:
+        with suppress(asyncio.TimeoutError), async_timeout.timeout(10):
-            with async_timeout.timeout(10):
+            response = await websession.get(url)
-                response = await websession.get(url)
+            if response.status == HTTP_OK:
-
+                content = await response.read()
-                if response.status == HTTP_OK:
+                content_type = response.headers.get(CONTENT_TYPE)
-                    content = await response.read()
+                if content_type:
-                    content_type = response.headers.get(CONTENT_TYPE)
+                    content_type = content_type.split(";")[0]
-                    if content_type:
-                        content_type = content_type.split(";")[0]
-
-        except asyncio.TimeoutError:
-            pass
 
         if content is None:
             _LOGGER.warning("Error retrieving proxied image from %s", url)

homeassistant/components/minecraft_server/config_flow.py

@@ -1,4 +1,5 @@
 """Config flow for Minecraft Server integration."""
+from contextlib import suppress
 from functools import partial
 import ipaddress
 
@@ -40,10 +41,8 @@ class MinecraftServerConfigFlow(ConfigFlow, domain=DOMAIN):
                 host = address_right
             else:
                 host = address_left
-                try:
+                with suppress(ValueError):
                     port = int(address_right)
-                except ValueError:
-                    pass  # 'port' is already set to default value.
 
             # Remove '[' and ']' in case of an IPv6 address.
             host = host.strip("[]")

homeassistant/components/mobile_app/__init__.py

@@ -1,5 +1,6 @@
 """Integrates Native Apps to Home Assistant."""
 import asyncio
+from contextlib import suppress
 
 from homeassistant.components import cloud, notify as hass_notify
 from homeassistant.components.webhook import (
@@ -51,12 +52,10 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType):
     hass.http.register_view(RegistrationsView())
 
     for deleted_id in hass.data[DOMAIN][DATA_DELETED_IDS]:
-        try:
+        with suppress(ValueError):
             webhook_register(
                 hass, DOMAIN, "Deleted Webhook", deleted_id, handle_webhook
             )
-        except ValueError:
-            pass
 
     hass.async_create_task(
         discovery.async_load_platform(hass, "notify", DOMAIN, {}, config)
@@ -129,7 +128,5 @@ async def async_remove_entry(hass, entry):
     await store.async_save(savable_state(hass))
 
     if CONF_CLOUDHOOK_URL in entry.data:
-        try:
+        with suppress(cloud.CloudNotAvailable):
             await cloud.async_delete_cloudhook(hass, entry.data[CONF_WEBHOOK_ID])
-        except cloud.CloudNotAvailable:
-            pass

homeassistant/components/mobile_app/http_api.py

@@ -1,6 +1,7 @@
 """Provides an HTTP API for mobile_app."""
 from __future__ import annotations
 
+from contextlib import suppress
 import secrets
 
 from aiohttp.web import Request, Response
@@ -98,10 +99,8 @@ class RegistrationsView(HomeAssistantView):
         )
 
         remote_ui_url = None
-        try:
+        with suppress(hass.components.cloud.CloudNotAvailable):
             remote_ui_url = hass.components.cloud.async_remote_ui_url()
-        except hass.components.cloud.CloudNotAvailable:
-            pass
 
         return self.json(
             {

homeassistant/components/mobile_app/webhook.py

@@ -1,5 +1,6 @@
 """Webhook handlers for mobile_app."""
 import asyncio
+from contextlib import suppress
 from functools import wraps
 import logging
 import secrets
@@ -551,10 +552,8 @@ async def webhook_get_config(hass, config_entry, data):
     if CONF_CLOUDHOOK_URL in config_entry.data:
         resp[CONF_CLOUDHOOK_URL] = config_entry.data[CONF_CLOUDHOOK_URL]
 
-    try:
+    with suppress(hass.components.cloud.CloudNotAvailable):
         resp[CONF_REMOTE_UI_URL] = hass.components.cloud.async_remote_ui_url()
-    except hass.components.cloud.CloudNotAvailable:
-        pass
 
     return webhook_response(resp, registration=config_entry.data)
 

homeassistant/components/motion_blinds/__init__.py

@@ -1,5 +1,6 @@
 """The motion_blinds component."""
 import asyncio
+from contextlib import suppress
 from datetime import timedelta
 import logging
 from socket import timeout
@@ -64,19 +65,13 @@ async def async_setup_entry(
         """Call all updates using one async_add_executor_job."""
         motion_gateway.Update()
         for blind in motion_gateway.device_list.values():
-            try:
+            with suppress(timeout):
                 blind.Update()
-            except timeout:
-                # let the error be logged and handled by the motionblinds library
-                pass
 
     async def async_update_data():
         """Fetch data from the gateway and blinds."""
-        try:
+        with suppress(timeout):  # Let the error be handled by the motionblinds
             await hass.async_add_executor_job(update_gateway)
-        except timeout:
-            # let the error be logged and handled by the motionblinds library
-            pass
 
     coordinator = DataUpdateCoordinator(
         hass,

homeassistant/components/mpd/media_player.py

@@ -1,4 +1,5 @@
 """Support to interact with a Music Player Daemon."""
+from contextlib import suppress
 from datetime import timedelta
 import hashlib
 import logging
@@ -129,10 +130,8 @@ class MpdDevice(MediaPlayerEntity):
 
     def _disconnect(self):
         """Disconnect from MPD."""
-        try:
+        with suppress(mpd.ConnectionError):
             self._client.disconnect()
-        except mpd.ConnectionError:
-            pass
         self._is_connected = False
         self._status = None
 

homeassistant/components/mqtt/light/schema_json.py

@@ -1,4 +1,5 @@
 """Support for MQTT JSON lights."""
+from contextlib import suppress
 import json
 import logging
 
@@ -245,10 +246,8 @@ class MqttLightJson(MqttEntity, LightEntity, RestoreEntity):
                     _LOGGER.warning("Invalid color temp value received")
 
             if self._supported_features and SUPPORT_EFFECT:
-                try:
+                with suppress(KeyError):
                     self._effect = values["effect"]
-                except KeyError:
-                    pass
 
             if self._supported_features and SUPPORT_WHITE_VALUE:
                 try:

homeassistant/components/mqtt/trigger.py

@@ -1,4 +1,5 @@
 """Offer MQTT listening automation rules."""
+from contextlib import suppress
 import json
 import logging
 
@@ -79,10 +80,8 @@ async def async_attach_trigger(hass, config, action, automation_info):
                 "description": f"mqtt topic {mqttmsg.topic}",
             }
 
-            try:
+            with suppress(ValueError):
                 data["payload_json"] = json.loads(mqttmsg.payload)
-            except ValueError:
-                pass
 
             hass.async_run_hass_job(job, {"trigger": data})
 

homeassistant/components/mysensors/config_flow.py

@@ -1,6 +1,7 @@
 """Config flow for MySensors."""
 from __future__ import annotations
 
+from contextlib import suppress
 import logging
 import os
 from typing import Any
@@ -62,15 +63,14 @@ def _get_schema_common(user_input: dict[str, str]) -> dict:
 def _validate_version(version: str) -> dict[str, str]:
     """Validate a version string from the user."""
     version_okay = False
-    try:
+    with suppress(AwesomeVersionStrategyException):
         version_okay = bool(
             AwesomeVersion.ensure_strategy(
                 version,
                 [AwesomeVersionStrategy.SIMPLEVER, AwesomeVersionStrategy.SEMVER],
             )
         )
-    except AwesomeVersionStrategyException:
+
-        pass
     if version_okay:
         return {}
     return {CONF_VERSION: "invalid_version"}

homeassistant/components/onvif/device.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 import datetime as dt
 import os
 
@@ -241,25 +242,19 @@ class ONVIFDevice:
     async def async_get_capabilities(self):
         """Obtain information about the available services on the device."""
         snapshot = False
-        try:
+        with suppress(ONVIFError, Fault, RequestError):
             media_service = self.device.create_media_service()
             media_capabilities = await media_service.GetServiceCapabilities()
             snapshot = media_capabilities and media_capabilities.SnapshotUri
-        except (ONVIFError, Fault, RequestError):
-            pass
 
         pullpoint = False
-        try:
+        with suppress(ONVIFError, Fault, RequestError):
             pullpoint = await self.events.async_start()
-        except (ONVIFError, Fault, RequestError):
-            pass
 
         ptz = False
-        try:
+        with suppress(ONVIFError, Fault, RequestError):
             self.device.get_definition("ptz")
             ptz = True
-        except (ONVIFError, Fault, RequestError):
-            pass
 
         return Capabilities(snapshot, pullpoint, ptz)
 

homeassistant/components/onvif/event.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 import datetime as dt
 from typing import Callable
 
@@ -86,10 +87,8 @@ class EventManager:
 
             # Initialize events
             pullpoint = self.device.create_pullpoint_service()
-            try:
+            with suppress(*SUBSCRIPTION_ERRORS):
                 await pullpoint.SetSynchronizationPoint()
-            except SUBSCRIPTION_ERRORS:
-                pass
             response = await pullpoint.PullMessages(
                 {"MessageLimit": 100, "Timeout": dt.timedelta(seconds=5)}
             )
@@ -119,10 +118,9 @@ class EventManager:
             return
 
         if self._subscription:
-            try:
+            # Suppressed. The subscription may no longer exist.
+            with suppress(*SUBSCRIPTION_ERRORS):
                 await self._subscription.Unsubscribe()
-            except SUBSCRIPTION_ERRORS:
-                pass  # Ignored. The subscription may no longer exist.
             self._subscription = None
 
         try:

homeassistant/components/ozw/__init__.py

@@ -1,5 +1,6 @@
 """The ozw integration."""
 import asyncio
+from contextlib import suppress
 import json
 import logging
 
@@ -280,10 +281,8 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
                 Do not unsubscribe the manager topic.
                 """
                 mqtt_client_task.cancel()
-                try:
+                with suppress(asyncio.CancelledError):
                     await mqtt_client_task
-                except asyncio.CancelledError:
-                    pass
 
             ozw_data[DATA_UNSUBSCRIBE].append(
                 hass.bus.async_listen_once(

homeassistant/components/ping/binary_sensor.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 from datetime import timedelta
 from functools import partial
 import logging
@@ -242,10 +243,8 @@ class PingDataSubProcess(PingData):
                 self._count + PING_TIMEOUT,
             )
             if pinger:
-                try:
+                with suppress(TypeError):
                     await pinger.kill()
-                except TypeError:
-                    pass
                 del pinger
 
             return False

homeassistant/components/plant/__init__.py

@@ -1,5 +1,6 @@
 """Support for monitoring plants."""
 from collections import deque
+from contextlib import suppress
 from datetime import datetime, timedelta
 import logging
 
@@ -324,12 +325,10 @@ class Plant(Entity):
             for state in states:
                 # filter out all None, NaN and "unknown" states
                 # only keep real values
-                try:
+                with suppress(ValueError):
                     self._brightness_history.add_measurement(
                         int(state.state), state.last_updated
                     )
-                except ValueError:
-                    pass
         _LOGGER.debug("Initializing from database completed")
 
     @property

homeassistant/components/ps4/media_player.py

@@ -1,5 +1,6 @@
 """Support for PlayStation 4 consoles."""
 import asyncio
+from contextlib import suppress
 import logging
 
 from pyps4_2ndscreen.errors import NotReady, PSDataIncomplete
@@ -142,10 +143,8 @@ class PS4Device(MediaPlayerEntity):
                 and not self._ps4.is_standby
                 and self._ps4.is_available
             ):
-                try:
+                with suppress(NotReady):
                     await self._ps4.async_connect()
-                except NotReady:
-                    pass
 
         # Try to ensure correct status is set on startup for device info.
         if self._ps4.ddp_protocol is None:

homeassistant/components/rachio/switch.py

@@ -1,5 +1,6 @@
 """Integration with the Rachio Iro sprinkler system controller."""
 from abc import abstractmethod
+from contextlib import suppress
 from datetime import timedelta
 import logging
 
@@ -525,7 +526,7 @@ class RachioSchedule(RachioSwitch):
     def _async_handle_update(self, *args, **kwargs) -> None:
         """Handle incoming webhook schedule data."""
         # Schedule ID not passed when running individual zones, so we catch that error
-        try:
+        with suppress(KeyError):
             if args[0][KEY_SCHEDULE_ID] == self._schedule_id:
                 if args[0][KEY_SUBTYPE] in [SUBTYPE_SCHEDULE_STARTED]:
                     self._state = True
@@ -534,8 +535,6 @@ class RachioSchedule(RachioSwitch):
                     SUBTYPE_SCHEDULE_COMPLETED,
                 ]:
                     self._state = False
-        except KeyError:
-            pass
 
         self.async_write_ha_state()
 

homeassistant/components/rejseplanen/sensor.py

@@ -4,6 +4,7 @@ Support for Rejseplanen information from rejseplanen.dk.
 For more info on the API see:
 https://help.rejseplanen.dk/hc/en-us/articles/214174465-Rejseplanen-s-API
 """
+from contextlib import suppress
 from datetime import datetime, timedelta
 import logging
 from operator import itemgetter
@@ -147,10 +148,8 @@ class RejseplanenTransportSensor(SensorEntity):
         if not self._times:
             self._state = None
         else:
-            try:
+            with suppress(TypeError):
                 self._state = self._times[0][ATTR_DUE_IN]
-            except TypeError:
-                pass
 
 
 class PublicTransportData:

homeassistant/components/sharkiq/__init__.py

@@ -1,6 +1,7 @@
 """Shark IQ Integration."""
 
 import asyncio
+from contextlib import suppress
 
 import async_timeout
 from sharkiqpy import (
@@ -59,7 +60,7 @@ async def async_setup_entry(hass, config_entry):
         raise exceptions.ConfigEntryNotReady from exc
 
     shark_vacs = await ayla_api.async_get_devices(False)
-    device_names = ", ".join([d.name for d in shark_vacs])
+    device_names = ", ".join(d.name for d in shark_vacs)
     _LOGGER.debug("Found %d Shark IQ device(s): %s", len(shark_vacs), device_names)
     coordinator = SharkIqUpdateCoordinator(hass, config_entry, ayla_api, shark_vacs)
 
@@ -81,11 +82,10 @@ async def async_setup_entry(hass, config_entry):
 async def async_disconnect_or_timeout(coordinator: SharkIqUpdateCoordinator):
     """Disconnect to vacuum."""
     _LOGGER.debug("Disconnecting from Ayla Api")
-    with async_timeout.timeout(5):
+    with async_timeout.timeout(5), suppress(
-        try:
+        SharkIqAuthError, SharkIqAuthExpiringError, SharkIqNotAuthedError
-            await coordinator.ayla_api.async_sign_out()
+    ):
-        except (SharkIqAuthError, SharkIqAuthExpiringError, SharkIqNotAuthedError):
+        await coordinator.ayla_api.async_sign_out()
-            pass
 
 
 async def async_update_options(hass, config_entry):
@@ -105,10 +105,8 @@ async def async_unload_entry(hass, config_entry):
     )
     if unload_ok:
         domain_data = hass.data[DOMAIN][config_entry.entry_id]
-        try:
+        with suppress(SharkIqAuthError):
             await async_disconnect_or_timeout(coordinator=domain_data)
-        except SharkIqAuthError:
-            pass
         hass.data[DOMAIN].pop(config_entry.entry_id)
 
     return unload_ok

homeassistant/components/shell_command/__init__.py

@@ -1,5 +1,6 @@
 """Expose regular shell commands as services."""
 import asyncio
+from contextlib import suppress
 import logging
 import shlex
 
@@ -87,10 +88,8 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
                 "Timed out running command: `%s`, after: %ss", cmd, COMMAND_TIMEOUT
             )
             if process:
-                try:
+                with suppress(TypeError):
                     await process.kill()
-                except TypeError:
-                    pass
                 del process
 
             return

homeassistant/components/solaredge_local/sensor.py

@@ -1,4 +1,5 @@
 """Support for SolarEdge-local Monitoring API."""
+from contextlib import suppress
 from copy import deepcopy
 from datetime import timedelta
 import logging
@@ -350,19 +351,15 @@ class SolarEdgeData:
             self.info["optimizers"] = status.optimizersStatus.total
             self.info["invertertemperature"] = INVERTER_MODES[status.status]
 
-            try:
+            with suppress(IndexError):
                 if status.metersList[1]:
                     self.data["currentPowerimport"] = status.metersList[1].currentPower
                     self.data["totalEnergyimport"] = status.metersList[1].totalEnergy
-            except IndexError:
-                pass
 
-            try:
+            with suppress(IndexError):
                 if status.metersList[0]:
                     self.data["currentPowerexport"] = status.metersList[0].currentPower
                     self.data["totalEnergyexport"] = status.metersList[0].totalEnergy
-            except IndexError:
-                pass
 
         if maintenance.system.name:
             self.data["optimizertemperature"] = round(statistics.mean(temperature), 2)

homeassistant/components/sonos/media_browser.py

@@ -1,4 +1,5 @@
 """Support for media browsing."""
+from contextlib import suppress
 import logging
 import urllib.parse
 
@@ -75,10 +76,8 @@ def build_item_response(media_library, payload, get_thumbnail_url=None):
 
     children = []
     for item in media:
-        try:
+        with suppress(UnknownMediaType):
             children.append(item_payload(item, get_thumbnail_url))
-        except UnknownMediaType:
-            pass
 
     return BrowseMedia(
         title=title,
@@ -136,10 +135,8 @@ def library_payload(media_library, get_thumbnail_url=None):
 
     children = []
     for item in media_library.browse():
-        try:
+        with suppress(UnknownMediaType):
             children.append(item_payload(item, get_thumbnail_url))
-        except UnknownMediaType:
-            pass
 
     return BrowseMedia(
         title="Music Library",

homeassistant/components/sonos/media_player.py

@@ -1,5 +1,6 @@
 """Support to interface with Sonos players."""
 import asyncio
+from contextlib import suppress
 import datetime
 import functools as ft
 import logging
@@ -790,7 +791,7 @@ class SonosEntity(MediaPlayerEntity):
             coordinator_uid = self.unique_id
             slave_uids = []
 
-            try:
+            with suppress(SoCoException):
                 if self.soco.group and self.soco.group.coordinator:
                     coordinator_uid = self.soco.group.coordinator.uid
                     slave_uids = [
@@ -798,8 +799,6 @@ class SonosEntity(MediaPlayerEntity):
                         for p in self.soco.group.members
                         if p.uid != coordinator_uid
                     ]
-            except SoCoException:
-                pass
 
             return [coordinator_uid] + slave_uids
 

homeassistant/components/spaceapi/__init__.py

@@ -1,4 +1,6 @@
 """Support for the SpaceAPI."""
+from contextlib import suppress
+
 import voluptuous as vol
 
 from homeassistant.components.http import HomeAssistantView
@@ -287,13 +289,11 @@ class APISpaceApiView(HomeAssistantView):
         else:
             state = {ATTR_OPEN: "null", ATTR_LASTCHANGE: 0}
 
-        try:
+        with suppress(KeyError):
             state[ATTR_ICON] = {
                 ATTR_OPEN: spaceapi["state"][CONF_ICON_OPEN],
                 ATTR_CLOSE: spaceapi["state"][CONF_ICON_CLOSED],
             }
-        except KeyError:
-            pass
 
         data = {
             ATTR_API: SPACEAPI_VERSION,
@@ -306,40 +306,26 @@ class APISpaceApiView(HomeAssistantView):
             ATTR_URL: spaceapi[CONF_URL],
         }
 
-        try:
+        with suppress(KeyError):
             data[ATTR_CAM] = spaceapi[CONF_CAM]
-        except KeyError:
-            pass
 
-        try:
+        with suppress(KeyError):
             data[ATTR_SPACEFED] = spaceapi[CONF_SPACEFED]
-        except KeyError:
-            pass
 
-        try:
+        with suppress(KeyError):
             data[ATTR_STREAM] = spaceapi[CONF_STREAM]
-        except KeyError:
-            pass
 
-        try:
+        with suppress(KeyError):
             data[ATTR_FEEDS] = spaceapi[CONF_FEEDS]
-        except KeyError:
-            pass
 
-        try:
+        with suppress(KeyError):
             data[ATTR_CACHE] = spaceapi[CONF_CACHE]
-        except KeyError:
-            pass
 
-        try:
+        with suppress(KeyError):
             data[ATTR_PROJECTS] = spaceapi[CONF_PROJECTS]
-        except KeyError:
-            pass
 
-        try:
+        with suppress(KeyError):
             data[ATTR_RADIO_SHOW] = spaceapi[CONF_RADIO_SHOW]
-        except KeyError:
-            pass
 
         if is_sensors is not None:
             sensors = {}

homeassistant/components/swisscom/device_tracker.py

@@ -1,4 +1,5 @@
 """Support for Swisscom routers (Internet-Box)."""
+from contextlib import suppress
 import logging
 
 from aiohttp.hdrs import CONTENT_TYPE
@@ -97,13 +98,11 @@ class SwisscomDeviceScanner(DeviceScanner):
             return devices
 
         for device in request.json()["status"]:
-            try:
+            with suppress(KeyError, requests.exceptions.RequestException):
                 devices[device["Key"]] = {
                     "ip": device["IPAddress"],
                     "mac": device["PhysAddress"],
                     "host": device["Name"],
                     "status": device["Active"],
                 }
-            except (KeyError, requests.exceptions.RequestException):
-                pass
         return devices

homeassistant/components/ted5000/sensor.py

@@ -1,4 +1,5 @@
 """Support gathering ted5000 information."""
+from contextlib import suppress
 from datetime import timedelta
 import logging
 
@@ -73,10 +74,8 @@ class Ted5000Sensor(SensorEntity):
     @property
     def state(self):
         """Return the state of the resources."""
-        try:
+        with suppress(KeyError):
             return self._gateway.data[self._mtu][self._unit]
-        except KeyError:
-            pass
 
     def update(self):
         """Get the latest data from REST API."""

homeassistant/components/tplink/switch.py

@@ -1,5 +1,6 @@
 """Support for TPLink HS100/HS110/HS200 smart switch."""
 import asyncio
+from contextlib import suppress
 import logging
 import time
 
@@ -151,13 +152,10 @@ class SmartPlugSwitch(SwitchEntity):
                 )
 
                 emeter_statics = self.smartplug.get_emeter_daily()
-                try:
+                with suppress(KeyError):  # Device returned no daily history
                     self._emeter_params[ATTR_TODAY_ENERGY_KWH] = "{:.3f}".format(
                         emeter_statics[int(time.strftime("%e"))]
                     )
-                except KeyError:
-                    # Device returned no daily history
-                    pass
             return True
         except (SmartDeviceException, OSError) as ex:
             if update_attempt == 0:

homeassistant/components/transmission/sensor.py

@@ -1,6 +1,8 @@
 """Support for monitoring the Transmission BitTorrent client API."""
 from __future__ import annotations
 
+from contextlib import suppress
+
 from transmissionrpc.torrent import Torrent
 
 from homeassistant.components.sensor import SensorEntity
@@ -187,8 +189,6 @@ def _torrents_info(torrents, order, limit, statuses=None):
             "status": torrent.status,
             "id": torrent.id,
         }
-        try:
+        with suppress(ValueError):
             info["eta"] = str(torrent.eta)
-        except ValueError:
-            pass
     return infos

homeassistant/components/upb/config_flow.py

@@ -1,5 +1,6 @@
 """Config flow for UPB PIM integration."""
 import asyncio
+from contextlib import suppress
 import logging
 from urllib.parse import urlparse
 
@@ -43,11 +44,8 @@ async def _validate_input(data):
 
     upb.connect(_connected_callback)
 
-    try:
+    with suppress(asyncio.TimeoutError), async_timeout.timeout(VALIDATE_TIMEOUT):
-        with async_timeout.timeout(VALIDATE_TIMEOUT):
+        await connected_event.wait()
-            await connected_event.wait()
-    except asyncio.TimeoutError:
-        pass
 
     upb.disconnect()
 

homeassistant/components/verisure/__init__.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 import os
 from typing import Any
 
@@ -164,10 +165,8 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         return False
 
     cookie_file = hass.config.path(STORAGE_DIR, f"verisure_{entry.entry_id}")
-    try:
+    with suppress(FileNotFoundError):
         await hass.async_add_executor_job(os.unlink, cookie_file)
-    except FileNotFoundError:
-        pass
 
     del hass.data[DOMAIN][entry.entry_id]
 

homeassistant/components/webostv/__init__.py

@@ -1,5 +1,6 @@
 """Support for LG webOS Smart TV."""
 import asyncio
+from contextlib import suppress
 import json
 import logging
 import os
@@ -150,9 +151,7 @@ async def async_setup_tv(hass, config, conf):
 
 async def async_connect(client):
     """Attempt a connection, but fail gracefully if tv is off for example."""
-    try:
+    with suppress(
-        await client.connect()
-    except (
         OSError,
         ConnectionClosed,
         ConnectionRefusedError,
@@ -161,7 +160,7 @@ async def async_connect(client):
         PyLGTVPairException,
         PyLGTVCmdException,
     ):
-        pass
+        await client.connect()
 
 
 async def async_setup_tv_finalize(hass, config, conf, client):

homeassistant/components/webostv/media_player.py

@@ -1,5 +1,6 @@
 """Support for interface with an LG webOS Smart TV."""
 import asyncio
+from contextlib import suppress
 from datetime import timedelta
 from functools import wraps
 import logging
@@ -214,9 +215,7 @@ class LgWebOSMediaPlayerEntity(MediaPlayerEntity):
     async def async_update(self):
         """Connect."""
         if not self._client.is_connected():
-            try:
+            with suppress(
-                await self._client.connect()
-            except (
                 OSError,
                 ConnectionClosed,
                 ConnectionRefusedError,
@@ -225,7 +224,7 @@ class LgWebOSMediaPlayerEntity(MediaPlayerEntity):
                 PyLGTVPairException,
                 PyLGTVCmdException,
             ):
-                pass
+                await self._client.connect()
 
     @property
     def unique_id(self):

homeassistant/components/wink/sensor.py

@@ -1,4 +1,5 @@
 """Support for Wink sensors."""
+from contextlib import suppress
 import logging
 
 import pywink
@@ -87,9 +88,9 @@ class WinkSensorEntity(WinkDevice, SensorEntity):
     def extra_state_attributes(self):
         """Return the state attributes."""
         super_attrs = super().extra_state_attributes
-        try:
+
+        # Ignore error, this sensor isn't an eggminder
+        with suppress(AttributeError):
             super_attrs["egg_times"] = self.wink.eggs()
-        except AttributeError:
+
-            # Ignore error, this sensor isn't an eggminder
-            pass
         return super_attrs

homeassistant/components/xbox/__init__.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 from dataclasses import dataclass
 from datetime import timedelta
 import logging
@@ -248,12 +249,10 @@ class XboxUpdateCoordinator(DataUpdateCoordinator):
 def _build_presence_data(person: Person) -> PresenceData:
     """Build presence data from a person."""
     active_app: PresenceDetail | None = None
-    try:
+    with suppress(StopIteration):
         active_app = next(
             presence for presence in person.presence_details if presence.is_primary
         )
-    except StopIteration:
-        pass
 
     return PresenceData(
         xuid=person.xuid,

homeassistant/components/xbox/media_source.py

@@ -1,6 +1,7 @@
 """Xbox Media Source Implementation."""
 from __future__ import annotations
 
+from contextlib import suppress
 from dataclasses import dataclass
 
 from pydantic.error_wrappers import ValidationError  # pylint: disable=no-name-in-module
@@ -138,7 +139,7 @@ class XboxSource(MediaSource):
         owner, kind = category.split("#", 1)
 
         items: list[XboxMediaItem] = []
-        try:
+        with suppress(ValidationError):  # Unexpected API response
             if kind == "gameclips":
                 if owner == "my":
                     response: GameclipsResponse = (
@@ -189,9 +190,6 @@ class XboxSource(MediaSource):
                     )
                     for item in response.screenshots
                 ]
-        except ValidationError:
-            # Unexpected API response
-            pass
 
         return BrowseMediaSource(
             domain=DOMAIN,

homeassistant/components/zabbix/__init__.py

@@ -1,4 +1,5 @@
 """Support for Zabbix."""
+from contextlib import suppress
 import json
 import logging
 import math
@@ -202,7 +203,7 @@ class ZabbixThread(threading.Thread):
 
         dropped = 0
 
-        try:
+        with suppress(queue.Empty):
             while len(metrics) < BATCH_BUFFER_SIZE and not self.shutdown:
                 timeout = None if count == 0 else BATCH_TIMEOUT
                 item = self.queue.get(timeout=timeout)
@@ -223,9 +224,6 @@ class ZabbixThread(threading.Thread):
                     else:
                         dropped += 1
 
-        except queue.Empty:
-            pass
-
         if dropped:
             _LOGGER.warning("Catching up, dropped %d old events", dropped)
 

homeassistant/components/zeroconf/__init__.py

@@ -1,6 +1,7 @@
 """Support for exposing Home Assistant via Zeroconf."""
 from __future__ import annotations
 
+from contextlib import suppress
 import fnmatch
 from functools import partial
 import ipaddress
@@ -187,15 +188,11 @@ def _register_hass_zc_service(hass, zeroconf, uuid):
     }
 
     # Get instance URL's
-    try:
+    with suppress(NoURLAvailableError):
         params["external_url"] = get_url(hass, allow_internal=False)
-    except NoURLAvailableError:
-        pass
 
-    try:
+    with suppress(NoURLAvailableError):
         params["internal_url"] = get_url(hass, allow_external=False)
-    except NoURLAvailableError:
-        pass
 
     # Set old base URL based on external or internal
     params["base_url"] = params["external_url"] or params["internal_url"]
@@ -380,11 +377,9 @@ def info_from_service(service):
 
         properties["_raw"][key] = value
 
-        try:
+        with suppress(UnicodeDecodeError):
             if isinstance(value, bytes):
                 properties[key] = value.decode("utf-8")
-        except UnicodeDecodeError:
-            pass
 
     if not service.addresses:
         return None

homeassistant/components/zeroconf/usage.py

@@ -1,5 +1,6 @@
 """Zeroconf usage utility to warn about multiple instances."""
 
+from contextlib import suppress
 import logging
 
 import zeroconf
@@ -36,10 +37,8 @@ def _report(what: str) -> None:
     """
     integration_frame = None
 
-    try:
+    with suppress(MissingIntegrationFrame):
         integration_frame = get_integration_frame(exclude_integrations={"zeroconf"})
-    except MissingIntegrationFrame:
-        pass
 
     if not integration_frame:
         _LOGGER.warning(

homeassistant/components/zha/core/channels/lighting.py

@@ -1,6 +1,7 @@
 """Lighting channels module for Zigbee Home Automation."""
 from __future__ import annotations
 
+from contextlib import suppress
 from typing import Coroutine
 
 import zigpy.zcl.clusters.lighting as lighting
@@ -39,10 +40,8 @@ class ColorChannel(ZigbeeChannel):
     @property
     def color_capabilities(self) -> int:
         """Return color capabilities of the light."""
-        try:
+        with suppress(KeyError):
             return self.cluster["color_capabilities"]
-        except KeyError:
-            pass
         if self.cluster.get("color_temperature") is not None:
             return self.CAPABILITIES_COLOR_XY | self.CAPABILITIES_COLOR_TEMP
         return self.CAPABILITIES_COLOR_XY

homeassistant/helpers/aiohttp_client.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 from ssl import SSLContext
 import sys
 from typing import Any, Awaitable, cast
@@ -37,10 +38,9 @@ def async_get_clientsession(
 
     This method must be run in the event loop.
     """
+    key = DATA_CLIENTSESSION_NOTVERIFY
     if verify_ssl:
         key = DATA_CLIENTSESSION
-    else:
-        key = DATA_CLIENTSESSION_NOTVERIFY
 
     if key not in hass.data:
         hass.data[key] = async_create_clientsession(hass, verify_ssl)
@@ -130,7 +130,8 @@ async def async_aiohttp_proxy_stream(
         response.content_type = content_type
     await response.prepare(request)
 
-    try:
+    # Suppressing something went wrong fetching data, closed connection
+    with suppress(asyncio.TimeoutError, aiohttp.ClientError):
         while hass.is_running:
             with async_timeout.timeout(timeout):
                 data = await stream.read(buffer_size)
@@ -139,10 +140,6 @@ async def async_aiohttp_proxy_stream(
                 break
             await response.write(data)
 
-    except (asyncio.TimeoutError, aiohttp.ClientError):
-        # Something went wrong fetching data, closed connection
-        pass
-
     return response
 
 

homeassistant/helpers/network.py

@@ -1,6 +1,7 @@
 """Network helpers."""
 from __future__ import annotations
 
+from contextlib import suppress
 from ipaddress import ip_address
 from typing import cast
 
@@ -56,7 +57,7 @@ def get_url(
     for url_type in order:
 
         if allow_internal and url_type == TYPE_URL_INTERNAL:
-            try:
+            with suppress(NoURLAvailableError):
                 return _get_internal_url(
                     hass,
                     allow_ip=allow_ip,
@@ -64,11 +65,9 @@ def get_url(
                     require_ssl=require_ssl,
                     require_standard_port=require_standard_port,
                 )
-            except NoURLAvailableError:
-                pass
 
         if allow_external and url_type == TYPE_URL_EXTERNAL:
-            try:
+            with suppress(NoURLAvailableError):
                 return _get_external_url(
                     hass,
                     allow_cloud=allow_cloud,
@@ -78,8 +77,6 @@ def get_url(
                     require_ssl=require_ssl,
                     require_standard_port=require_standard_port,
                 )
-            except NoURLAvailableError:
-                pass
 
     # For current request, we accept loopback interfaces (e.g., 127.0.0.1),
     # the Supervisor hostname and localhost transparently
@@ -177,10 +174,8 @@ def _get_external_url(
 ) -> str:
     """Get external URL of this instance."""
     if prefer_cloud and allow_cloud:
-        try:
+        with suppress(NoURLAvailableError):
             return _get_cloud_url(hass)
-        except NoURLAvailableError:
-            pass
 
     if hass.config.external_url:
         external_url = yarl.URL(hass.config.external_url)
@@ -201,10 +196,8 @@ def _get_external_url(
             return normalize_url(str(external_url))
 
     if allow_cloud:
-        try:
+        with suppress(NoURLAvailableError):
             return _get_cloud_url(hass, require_current_request=require_current_request)
-        except NoURLAvailableError:
-            pass
 
     raise NoURLAvailableError
 

homeassistant/helpers/script.py

@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 import asyncio
-from contextlib import asynccontextmanager
+from contextlib import asynccontextmanager, suppress
 from datetime import datetime, timedelta
 from functools import partial
 import itertools
@@ -492,10 +492,8 @@ class _ScriptRun:
         async def async_cancel_long_task() -> None:
             # Stop long task and wait for it to finish.
             long_task.cancel()
-            try:
+            with suppress(Exception):
                 await long_task
-            except Exception:  # pylint: disable=broad-except
-                pass
 
         # Wait for long task while monitoring for a stop request.
         stop_task = self._hass.async_create_task(self._stop.wait())

homeassistant/helpers/storage.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 from json import JSONEncoder
 import logging
 import os
@@ -243,7 +244,5 @@ class Store:
         self._async_cleanup_delay_listener()
         self._async_cleanup_final_write_listener()
 
-        try:
+        with suppress(FileNotFoundError):
             await self.hass.async_add_executor_job(os.unlink, self.path)
-        except FileNotFoundError:
-            pass

homeassistant/helpers/template.py

@@ -5,6 +5,7 @@ from ast import literal_eval
 import asyncio
 import base64
 import collections.abc
+from contextlib import suppress
 from datetime import datetime, timedelta
 from functools import partial, wraps
 import json
@@ -513,10 +514,8 @@ class Template:
         variables = dict(variables or {})
         variables["value"] = value
 
-        try:
+        with suppress(ValueError, TypeError):
             variables["value_json"] = json.loads(value)
-        except (ValueError, TypeError):
-            pass
 
         try:
             return self._compiled.render(variables).strip()

homeassistant/loader.py

@@ -7,6 +7,7 @@ documentation as possible to keep it understandable.
 from __future__ import annotations
 
 import asyncio
+from contextlib import suppress
 import functools as ft
 import importlib
 import json
@@ -587,10 +588,8 @@ def _load_file(
     Only returns it if also found to be valid.
     Async friendly.
     """
-    try:
+    with suppress(KeyError):
         return hass.data[DATA_COMPONENTS][comp_or_platform]  # type: ignore
-    except KeyError:
-        pass
 
     cache = hass.data.get(DATA_COMPONENTS)
     if cache is None:

homeassistant/util/dt.py

@@ -1,6 +1,7 @@
 """Helper methods to handle the time in Home Assistant."""
 from __future__ import annotations
 
+from contextlib import suppress
 import datetime as dt
 import re
 from typing import Any, cast
@@ -127,10 +128,9 @@ def parse_datetime(dt_str: str) -> dt.datetime | None:
     Raises ValueError if the input is well formatted but not a valid datetime.
     Returns None if the input isn't well formatted.
     """
-    try:
+    with suppress(ValueError, IndexError):
         return ciso8601.parse_datetime(dt_str)
-    except (ValueError, IndexError):
+
-        pass
     match = DATETIME_RE.match(dt_str)
     if not match:
         return None

homeassistant/util/ruamel_yaml.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 from collections import OrderedDict
+from contextlib import suppress
 import logging
 import os
 from os import O_CREAT, O_TRUNC, O_WRONLY, stat_result
@@ -128,10 +129,8 @@ def save_yaml(fname: str, data: JSON_TYPE) -> None:
             yaml.dump(data, temp_file)
         os.replace(tmp_fname, fname)
         if hasattr(os, "chown") and file_stat.st_ctime > -1:
-            try:
+            with suppress(OSError):
                 os.chown(fname, file_stat.st_uid, file_stat.st_gid)
-            except OSError:
-                pass
     except YAMLError as exc:
         _LOGGER.error(str(exc))
         raise HomeAssistantError(exc) from exc

tests/components/buienradar/test_camera.py

@@ -1,5 +1,6 @@
 """The tests for generic camera component."""
 import asyncio
+from contextlib import suppress
 
 from aiohttp.client_exceptions import ClientResponseError
 
@@ -214,10 +215,8 @@ async def test_retries_after_error(aioclient_mock, hass, hass_client):
     aioclient_mock.get(radar_map_url(), text=None, status=HTTP_INTERNAL_SERVER_ERROR)
 
     # A 404 should not return data and throw:
-    try:
+    with suppress(ClientResponseError):
         await client.get("/api/camera_proxy/camera.config_test")
-    except ClientResponseError:
-        pass
 
     assert aioclient_mock.call_count == 1
 

tests/components/demo/test_init.py

@@ -1,4 +1,5 @@
 """The tests for the Demo component."""
+from contextlib import suppress
 import json
 import os
 
@@ -20,10 +21,8 @@ def mock_history(hass):
 def demo_cleanup(hass):
     """Clean up device tracker demo file."""
     yield
-    try:
+    with suppress(FileNotFoundError):
         os.remove(hass.config.path(YAML_DEVICES))
-    except FileNotFoundError:
-        pass
 
 
 async def test_setting_up_demo(hass):

tests/util/test_timeout.py

@@ -1,5 +1,6 @@
 """Test Home Assistant timeout handler."""
 import asyncio
+from contextlib import suppress
 import time
 
 import pytest
@@ -232,11 +233,9 @@ async def test_mix_zone_timeout():
     timeout = TimeoutManager()
 
     async with timeout.async_timeout(0.1):
-        try:
+        with suppress(asyncio.TimeoutError):
             async with timeout.async_timeout(0.2, "test"):
                 await asyncio.sleep(0.4)
-        except asyncio.TimeoutError:
-            pass
 
 
 async def test_mix_zone_timeout_trigger_global():
@@ -245,11 +244,9 @@ async def test_mix_zone_timeout_trigger_global():
 
     with pytest.raises(asyncio.TimeoutError):
         async with timeout.async_timeout(0.1):
-            try:
+            with suppress(asyncio.TimeoutError):
                 async with timeout.async_timeout(0.1, "test"):
                     await asyncio.sleep(0.3)
-            except asyncio.TimeoutError:
-                pass
 
             await asyncio.sleep(0.3)
 
@@ -259,11 +256,9 @@ async def test_mix_zone_timeout_trigger_global_cool_down():
     timeout = TimeoutManager()
 
     async with timeout.async_timeout(0.1, cool_down=0.3):
-        try:
+        with suppress(asyncio.TimeoutError):
             async with timeout.async_timeout(0.1, "test"):
                 await asyncio.sleep(0.3)
-        except asyncio.TimeoutError:
-            pass
 
         await asyncio.sleep(0.2)
 
@@ -301,11 +296,9 @@ async def test_simple_zone_timeout_freeze_without_timeout_exeption():
 
     with pytest.raises(asyncio.TimeoutError):
         async with timeout.async_timeout(0.1):
-            try:
+            with suppress(RuntimeError):
                 async with timeout.async_freeze("test"):
                     raise RuntimeError()
-            except RuntimeError:
-                pass
 
             await asyncio.sleep(0.4)
 
@@ -316,10 +309,8 @@ async def test_simple_zone_timeout_zone_with_timeout_exeption():
 
     with pytest.raises(asyncio.TimeoutError):
         async with timeout.async_timeout(0.1):
-            try:
+            with suppress(RuntimeError):
                 async with timeout.async_timeout(0.3, "test"):
                     raise RuntimeError()
-            except RuntimeError:
-                pass
 
             await asyncio.sleep(0.3)