101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
"""Adds config flow for Dune HD integration."""
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import ipaddress
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import logging
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import re
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from pdunehd import DuneHDPlayer
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import voluptuous as vol
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from homeassistant import config_entries, exceptions
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from homeassistant.const import CONF_HOST
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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def host_valid(host):
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"""Return True if hostname or IP address is valid."""
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try:
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if ipaddress.ip_address(host).version in [4, 6]:
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return True
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except ValueError:
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if len(host) > 253:
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return False
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allowed = re.compile(r"(?!-)[A-Z\d\-\_]{1,63}(?<!-)$", re.IGNORECASE)
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return all(allowed.match(x) for x in host.split("."))
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class DuneHDConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Dune HD integration."""
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VERSION = 1
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def __init__(self):
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"""Initialize."""
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self.host = None
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async def init_device(self, host):
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"""Initialize Dune HD player."""
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player = DuneHDPlayer(host)
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state = await self.hass.async_add_executor_job(player.update_state)
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if not state:
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raise CannotConnect()
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async def async_step_user(self, user_input=None):
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"""Handle the initial step."""
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errors = {}
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if user_input is not None:
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if host_valid(user_input[CONF_HOST]):
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self.host = user_input[CONF_HOST]
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try:
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if self.host_already_configured(self.host):
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raise AlreadyConfigured()
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await self.init_device(self.host)
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except CannotConnect:
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errors[CONF_HOST] = "cannot_connect"
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except AlreadyConfigured:
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errors[CONF_HOST] = "already_configured"
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else:
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return self.async_create_entry(title=self.host, data=user_input)
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else:
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errors[CONF_HOST] = "invalid_host"
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema({vol.Required(CONF_HOST, default=""): str}),
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errors=errors,
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)
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async def async_step_import(self, user_input=None):
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"""Handle configuration by yaml file."""
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self.host = user_input[CONF_HOST]
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if self.host_already_configured(self.host):
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return self.async_abort(reason="already_configured")
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try:
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await self.init_device(self.host)
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except CannotConnect:
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_LOGGER.error("Import aborted, cannot connect to %s", self.host)
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return self.async_abort(reason="cannot_connect")
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else:
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return self.async_create_entry(title=self.host, data=user_input)
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def host_already_configured(self, host):
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"""See if we already have a dunehd entry matching user input configured."""
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existing_hosts = {
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entry.data[CONF_HOST] for entry in self._async_current_entries()
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}
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return host in existing_hosts
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class CannotConnect(exceptions.HomeAssistantError):
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"""Error to indicate we cannot connect."""
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class AlreadyConfigured(exceptions.HomeAssistantError):
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"""Error to indicate device is already configured."""
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