hass-core/homeassistant/components/nightscout/config_flow.py
Marcio Granzotto Rodrigues 761067559d
Add Nightscout integration (#38615)
* Implement NightScout sensor integration

* Add tests for NightScout integration

* Fix Nightscout captalization

* Change quality scale for Nightscout

* Trigger actions

* Add missing tests

* Fix stale comments

* Fix Nightscout manufacturer

* Add entry type service

* Change host to URL on nightscout config flow

* Add ConfigEntryNotReady exception to nighscout init

* Remote platform_schema from nightscout sensor

* Update homeassistant/components/nightscout/config_flow.py

Co-authored-by: Chris Talkington <chris@talkingtontech.com>

Co-authored-by: Chris Talkington <chris@talkingtontech.com>
2020-08-09 13:15:56 -05:00

58 lines
1.8 KiB
Python

"""Config flow for Nightscout integration."""
from asyncio import TimeoutError as AsyncIOTimeoutError
import logging
from aiohttp import ClientError
from py_nightscout import Api as NightscoutAPI
import voluptuous as vol
from homeassistant import config_entries, exceptions
from homeassistant.const import CONF_URL
from .const import DOMAIN # pylint:disable=unused-import
_LOGGER = logging.getLogger(__name__)
DATA_SCHEMA = vol.Schema({vol.Required(CONF_URL): str})
async def _validate_input(data):
"""Validate the user input allows us to connect."""
try:
api = NightscoutAPI(data[CONF_URL])
status = await api.get_server_status()
except (ClientError, AsyncIOTimeoutError, OSError):
raise CannotConnect
# Return info to be stored in the config entry.
return {"title": status.name}
class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Nightscout."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_CLOUD_POLL
async def async_step_user(self, user_input=None):
"""Handle the initial step."""
errors = {}
if user_input is not None:
try:
info = await _validate_input(user_input)
except CannotConnect:
errors["base"] = "cannot_connect"
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
else:
return self.async_create_entry(title=info["title"], data=user_input)
return self.async_show_form(
step_id="user", data_schema=DATA_SCHEMA, errors=errors
)
class CannotConnect(exceptions.HomeAssistantError):
"""Error to indicate we cannot connect."""