Improve code quality of TCP platform (#51000)
* Improve code placements * Fix entity inheritance * fix tests * Improve PLATFORM_SCHEMA handling * Apply suggestions
This commit is contained in:
parent
870c61a622
commit
51c8b1eb0b
5 changed files with 175 additions and 156 deletions
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@ -3,15 +3,18 @@ from __future__ import annotations
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from typing import Any, Final
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from homeassistant.components.binary_sensor import BinarySensorEntity
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from homeassistant.components.binary_sensor import (
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PLATFORM_SCHEMA as PARENT_PLATFORM_SCHEMA,
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BinarySensorEntity,
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)
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType
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from .common import TCP_PLATFORM_SCHEMA, TcpEntity
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from .const import CONF_VALUE_ON
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from .sensor import PLATFORM_SCHEMA as TCP_PLATFORM_SCHEMA, TcpSensor
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PLATFORM_SCHEMA: Final = TCP_PLATFORM_SCHEMA
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PLATFORM_SCHEMA: Final = PARENT_PLATFORM_SCHEMA.extend(TCP_PLATFORM_SCHEMA)
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def setup_platform(
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@ -24,7 +27,7 @@ def setup_platform(
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add_entities([TcpBinarySensor(hass, config)])
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class TcpBinarySensor(BinarySensorEntity, TcpSensor):
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class TcpBinarySensor(TcpEntity, BinarySensorEntity):
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"""A binary sensor which is on when its state == CONF_VALUE_ON."""
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@property
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158
homeassistant/components/tcp/common.py
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158
homeassistant/components/tcp/common.py
Normal file
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@ -0,0 +1,158 @@
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"""Common code for TCP component."""
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from __future__ import annotations
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import logging
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import select
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import socket
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import ssl
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from typing import Any, Final
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import voluptuous as vol
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from homeassistant.const import (
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CONF_HOST,
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CONF_NAME,
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CONF_PAYLOAD,
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CONF_PORT,
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CONF_SSL,
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CONF_TIMEOUT,
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CONF_UNIT_OF_MEASUREMENT,
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CONF_VALUE_TEMPLATE,
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CONF_VERIFY_SSL,
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)
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import TemplateError
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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from homeassistant.helpers.template import Template
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from homeassistant.helpers.typing import ConfigType
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from .const import (
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CONF_BUFFER_SIZE,
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CONF_VALUE_ON,
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DEFAULT_BUFFER_SIZE,
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DEFAULT_NAME,
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DEFAULT_SSL,
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DEFAULT_TIMEOUT,
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DEFAULT_VERIFY_SSL,
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)
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from .model import TcpSensorConfig
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_LOGGER: Final = logging.getLogger(__name__)
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TCP_PLATFORM_SCHEMA: Final[dict[vol.Marker, Any]] = {
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vol.Required(CONF_HOST): cv.string,
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vol.Required(CONF_PORT): cv.port,
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vol.Required(CONF_PAYLOAD): cv.string,
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vol.Optional(CONF_BUFFER_SIZE, default=DEFAULT_BUFFER_SIZE): cv.positive_int,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT): cv.string,
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vol.Optional(CONF_VALUE_ON): cv.string,
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vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
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vol.Optional(CONF_SSL, default=DEFAULT_SSL): cv.boolean,
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vol.Optional(CONF_VERIFY_SSL, default=DEFAULT_VERIFY_SSL): cv.boolean,
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}
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class TcpEntity(Entity):
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"""Base entity class for TCP platform."""
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def __init__(self, hass: HomeAssistant, config: ConfigType) -> None:
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"""Set all the config values if they exist and get initial state."""
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value_template: Template | None = config.get(CONF_VALUE_TEMPLATE)
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if value_template is not None:
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value_template.hass = hass
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self._hass = hass
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self._config: TcpSensorConfig = {
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CONF_NAME: config[CONF_NAME],
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CONF_HOST: config[CONF_HOST],
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CONF_PORT: config[CONF_PORT],
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CONF_TIMEOUT: config[CONF_TIMEOUT],
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CONF_PAYLOAD: config[CONF_PAYLOAD],
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CONF_UNIT_OF_MEASUREMENT: config.get(CONF_UNIT_OF_MEASUREMENT),
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CONF_VALUE_TEMPLATE: value_template,
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CONF_VALUE_ON: config.get(CONF_VALUE_ON),
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CONF_BUFFER_SIZE: config[CONF_BUFFER_SIZE],
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CONF_SSL: config[CONF_SSL],
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CONF_VERIFY_SSL: config[CONF_VERIFY_SSL],
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}
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self._ssl_context: ssl.SSLContext | None = None
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if self._config[CONF_SSL]:
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self._ssl_context = ssl.create_default_context()
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if not self._config[CONF_VERIFY_SSL]:
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self._ssl_context.check_hostname = False
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self._ssl_context.verify_mode = ssl.CERT_NONE
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self._state: str | None = None
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self.update()
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@property
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def name(self) -> str:
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"""Return the name of this sensor."""
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return self._config[CONF_NAME]
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def update(self) -> None:
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"""Get the latest value for this sensor."""
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
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sock.settimeout(self._config[CONF_TIMEOUT])
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try:
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sock.connect((self._config[CONF_HOST], self._config[CONF_PORT]))
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except OSError as err:
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_LOGGER.error(
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"Unable to connect to %s on port %s: %s",
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self._config[CONF_HOST],
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self._config[CONF_PORT],
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err,
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)
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return
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if self._ssl_context is not None:
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sock = self._ssl_context.wrap_socket(
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sock, server_hostname=self._config[CONF_HOST]
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)
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try:
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sock.send(self._config[CONF_PAYLOAD].encode())
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except OSError as err:
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_LOGGER.error(
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"Unable to send payload %r to %s on port %s: %s",
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self._config[CONF_PAYLOAD],
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self._config[CONF_HOST],
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self._config[CONF_PORT],
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err,
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)
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return
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readable, _, _ = select.select([sock], [], [], self._config[CONF_TIMEOUT])
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if not readable:
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_LOGGER.warning(
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"Timeout (%s second(s)) waiting for a response after "
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"sending %r to %s on port %s",
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self._config[CONF_TIMEOUT],
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self._config[CONF_PAYLOAD],
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self._config[CONF_HOST],
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self._config[CONF_PORT],
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)
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return
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value = sock.recv(self._config[CONF_BUFFER_SIZE]).decode()
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value_template = self._config[CONF_VALUE_TEMPLATE]
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if value_template is not None:
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try:
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self._state = value_template.render(parse_result=False, value=value)
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return
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except TemplateError:
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_LOGGER.error(
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"Unable to render template of %r with value: %r",
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self._config[CONF_VALUE_TEMPLATE],
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value,
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)
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return
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self._state = value
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@ -1,64 +1,20 @@
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"""Support for TCP socket based sensors."""
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from __future__ import annotations
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import logging
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import select
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import socket
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import ssl
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from typing import Any, Final
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import voluptuous as vol
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from homeassistant.components.sensor import (
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PLATFORM_SCHEMA as PARENT_PLATFORM_SCHEMA,
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SensorEntity,
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)
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from homeassistant.const import (
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CONF_HOST,
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CONF_NAME,
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CONF_PAYLOAD,
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CONF_PORT,
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CONF_SSL,
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CONF_TIMEOUT,
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CONF_UNIT_OF_MEASUREMENT,
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CONF_VALUE_TEMPLATE,
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CONF_VERIFY_SSL,
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)
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from homeassistant.const import CONF_UNIT_OF_MEASUREMENT
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import TemplateError
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.template import Template
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from homeassistant.helpers.typing import ConfigType, StateType
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from .const import (
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CONF_BUFFER_SIZE,
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CONF_VALUE_ON,
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DEFAULT_BUFFER_SIZE,
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DEFAULT_NAME,
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DEFAULT_SSL,
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DEFAULT_TIMEOUT,
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DEFAULT_VERIFY_SSL,
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)
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from .model import TcpSensorConfig
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from .common import TCP_PLATFORM_SCHEMA, TcpEntity
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_LOGGER: Final = logging.getLogger(__name__)
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PLATFORM_SCHEMA: Final = PARENT_PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_HOST): cv.string,
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vol.Required(CONF_PORT): cv.port,
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vol.Required(CONF_PAYLOAD): cv.string,
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vol.Optional(CONF_BUFFER_SIZE, default=DEFAULT_BUFFER_SIZE): cv.positive_int,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT): cv.string,
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vol.Optional(CONF_VALUE_ON): cv.string,
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vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
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vol.Optional(CONF_SSL, default=DEFAULT_SSL): cv.boolean,
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vol.Optional(CONF_VERIFY_SSL, default=DEFAULT_VERIFY_SSL): cv.boolean,
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}
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)
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PLATFORM_SCHEMA: Final = PARENT_PLATFORM_SCHEMA.extend(TCP_PLATFORM_SCHEMA)
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def setup_platform(
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@ -71,46 +27,9 @@ def setup_platform(
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add_entities([TcpSensor(hass, config)])
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class TcpSensor(SensorEntity):
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class TcpSensor(TcpEntity, SensorEntity):
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"""Implementation of a TCP socket based sensor."""
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def __init__(self, hass: HomeAssistant, config: ConfigType) -> None:
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"""Set all the config values if they exist and get initial state."""
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value_template: Template | None = config.get(CONF_VALUE_TEMPLATE)
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if value_template is not None:
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value_template.hass = hass
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self._hass = hass
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self._config: TcpSensorConfig = {
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CONF_NAME: config[CONF_NAME],
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CONF_HOST: config[CONF_HOST],
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CONF_PORT: config[CONF_PORT],
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CONF_TIMEOUT: config[CONF_TIMEOUT],
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CONF_PAYLOAD: config[CONF_PAYLOAD],
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CONF_UNIT_OF_MEASUREMENT: config.get(CONF_UNIT_OF_MEASUREMENT),
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CONF_VALUE_TEMPLATE: value_template,
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CONF_VALUE_ON: config.get(CONF_VALUE_ON),
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CONF_BUFFER_SIZE: config[CONF_BUFFER_SIZE],
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CONF_SSL: config[CONF_SSL],
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CONF_VERIFY_SSL: config[CONF_VERIFY_SSL],
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}
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self._ssl_context: ssl.SSLContext | None = None
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if self._config[CONF_SSL]:
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self._ssl_context = ssl.create_default_context()
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if not self._config[CONF_VERIFY_SSL]:
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self._ssl_context.check_hostname = False
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self._ssl_context.verify_mode = ssl.CERT_NONE
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self._state: str | None = None
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self.update()
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@property
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def name(self) -> str:
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"""Return the name of this sensor."""
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return self._config[CONF_NAME]
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@property
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def state(self) -> StateType:
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"""Return the state of the device."""
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@ -120,64 +39,3 @@ class TcpSensor(SensorEntity):
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def unit_of_measurement(self) -> str | None:
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"""Return the unit of measurement of this entity."""
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return self._config[CONF_UNIT_OF_MEASUREMENT]
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def update(self) -> None:
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"""Get the latest value for this sensor."""
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
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sock.settimeout(self._config[CONF_TIMEOUT])
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try:
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sock.connect((self._config[CONF_HOST], self._config[CONF_PORT]))
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except OSError as err:
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_LOGGER.error(
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"Unable to connect to %s on port %s: %s",
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self._config[CONF_HOST],
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self._config[CONF_PORT],
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err,
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)
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return
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if self._ssl_context is not None:
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sock = self._ssl_context.wrap_socket(
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sock, server_hostname=self._config[CONF_HOST]
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)
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try:
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sock.send(self._config[CONF_PAYLOAD].encode())
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except OSError as err:
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_LOGGER.error(
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"Unable to send payload %r to %s on port %s: %s",
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self._config[CONF_PAYLOAD],
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self._config[CONF_HOST],
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self._config[CONF_PORT],
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err,
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)
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return
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readable, _, _ = select.select([sock], [], [], self._config[CONF_TIMEOUT])
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if not readable:
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_LOGGER.warning(
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"Timeout (%s second(s)) waiting for a response after "
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"sending %r to %s on port %s",
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self._config[CONF_TIMEOUT],
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self._config[CONF_PAYLOAD],
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self._config[CONF_HOST],
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self._config[CONF_PORT],
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)
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return
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value = sock.recv(self._config[CONF_BUFFER_SIZE]).decode()
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value_template = self._config[CONF_VALUE_TEMPLATE]
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if value_template is not None:
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try:
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self._state = value_template.render(parse_result=False, value=value)
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return
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except TemplateError:
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_LOGGER.error(
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"Unable to render template of %r with value: %r",
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self._config[CONF_VALUE_TEMPLATE],
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value,
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)
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return
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self._state = value
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@ -20,9 +20,9 @@ TEST_ENTITY = "binary_sensor.test_name"
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def mock_socket_fixture():
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"""Mock the socket."""
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with patch(
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"homeassistant.components.tcp.sensor.socket.socket"
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"homeassistant.components.tcp.common.socket.socket"
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) as mock_socket, patch(
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"homeassistant.components.tcp.sensor.select.select",
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"homeassistant.components.tcp.common.select.select",
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return_value=(True, False, False),
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):
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# yield the return value of the socket context manager
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@ -4,7 +4,7 @@ from unittest.mock import call, patch
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import pytest
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import homeassistant.components.tcp.sensor as tcp
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import homeassistant.components.tcp.common as tcp
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from homeassistant.setup import async_setup_component
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from tests.common import assert_setup_component
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@ -41,7 +41,7 @@ socket_test_value = "value"
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@pytest.fixture(name="mock_socket")
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def mock_socket_fixture(mock_select):
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"""Mock socket."""
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with patch("homeassistant.components.tcp.sensor.socket.socket") as mock_socket:
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with patch("homeassistant.components.tcp.common.socket.socket") as mock_socket:
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socket_instance = mock_socket.return_value.__enter__.return_value
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socket_instance.recv.return_value = socket_test_value.encode()
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yield socket_instance
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@ -51,7 +51,7 @@ def mock_socket_fixture(mock_select):
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def mock_select_fixture():
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"""Mock select."""
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with patch(
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"homeassistant.components.tcp.sensor.select.select",
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"homeassistant.components.tcp.common.select.select",
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return_value=(True, False, False),
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) as mock_select:
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yield mock_select
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@ -61,7 +61,7 @@ def mock_select_fixture():
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def mock_ssl_context_fixture():
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"""Mock select."""
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with patch(
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"homeassistant.components.tcp.sensor.ssl.create_default_context",
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"homeassistant.components.tcp.common.ssl.create_default_context",
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) as mock_ssl_context:
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mock_ssl_context.return_value.wrap_socket.return_value.recv.return_value = (
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socket_test_value + "_ssl"
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