mirror of https://github.com/home-assistant/core
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
"""Support for command line notification services."""
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import logging
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import subprocess
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import voluptuous as vol
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from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
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from homeassistant.const import CONF_COMMAND, CONF_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.util.process import kill_subprocess
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from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT
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_LOGGER = logging.getLogger(__name__)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_COMMAND): cv.string,
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_COMMAND_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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}
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)
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def get_service(hass, config, discovery_info=None):
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"""Get the Command Line notification service."""
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command = config[CONF_COMMAND]
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timeout = config[CONF_COMMAND_TIMEOUT]
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return CommandLineNotificationService(command, timeout)
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class CommandLineNotificationService(BaseNotificationService):
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"""Implement the notification service for the Command Line service."""
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def __init__(self, command, timeout):
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"""Initialize the service."""
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self.command = command
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self._timeout = timeout
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def send_message(self, message="", **kwargs):
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"""Send a message to a command line."""
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with subprocess.Popen(
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self.command,
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universal_newlines=True,
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stdin=subprocess.PIPE,
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shell=True, # nosec # shell by design
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) as proc:
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try:
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proc.communicate(input=message, timeout=self._timeout)
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if proc.returncode != 0:
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_LOGGER.error("Command failed: %s", self.command)
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except subprocess.TimeoutExpired:
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_LOGGER.error("Timeout for command: %s", self.command)
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kill_subprocess(proc)
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except subprocess.SubprocessError:
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_LOGGER.error("Error trying to exec command: %s", self.command)
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