core/homeassistant/components/command_line/notify.py

43 lines
1.4 KiB
Python

"""Support for command line notification services."""
import logging
import subprocess
import voluptuous as vol
from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
from homeassistant.const import CONF_COMMAND, CONF_NAME
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Required(CONF_COMMAND): cv.string, vol.Optional(CONF_NAME): cv.string}
)
def get_service(hass, config, discovery_info=None):
"""Get the Command Line notification service."""
command = config[CONF_COMMAND]
return CommandLineNotificationService(command)
class CommandLineNotificationService(BaseNotificationService):
"""Implement the notification service for the Command Line service."""
def __init__(self, command):
"""Initialize the service."""
self.command = command
def send_message(self, message="", **kwargs):
"""Send a message to a command line."""
try:
proc = subprocess.Popen(
self.command, universal_newlines=True, stdin=subprocess.PIPE, shell=True
)
proc.communicate(input=message)
if proc.returncode != 0:
_LOGGER.error("Command failed: %s", self.command)
except subprocess.SubprocessError:
_LOGGER.error("Error trying to exec Command: %s", self.command)