77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
"""Config flow for Nightscout integration."""
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from asyncio import TimeoutError as AsyncIOTimeoutError
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import logging
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from typing import Any
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from aiohttp import ClientError, ClientResponseError
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from py_nightscout import Api as NightscoutAPI
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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_API_KEY, CONF_URL
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from homeassistant.data_entry_flow import FlowResult
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from .const import DOMAIN
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from .utils import hash_from_url
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_LOGGER = logging.getLogger(__name__)
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DATA_SCHEMA = vol.Schema({vol.Required(CONF_URL): str, vol.Optional(CONF_API_KEY): str})
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async def _validate_input(data: dict[str, Any]) -> dict[str, str]:
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"""Validate the user input allows us to connect."""
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url: str = data[CONF_URL]
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api_key: str | None = data.get(CONF_API_KEY)
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try:
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api = NightscoutAPI(url, api_secret=api_key)
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status = await api.get_server_status()
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if status.settings.get("authDefaultRoles") == "status-only":
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await api.get_sgvs()
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except ClientResponseError as error:
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raise InputValidationError("invalid_auth") from error
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except (ClientError, AsyncIOTimeoutError, OSError) as error:
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raise InputValidationError("cannot_connect") from error
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# Return info to be stored in the config entry.
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return {"title": status.name}
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class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Nightscout."""
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VERSION = 1
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle the initial step."""
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errors: dict[str, str] = {}
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if user_input is not None:
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unique_id = hash_from_url(user_input[CONF_URL])
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await self.async_set_unique_id(unique_id)
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self._abort_if_unique_id_configured()
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try:
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info = await _validate_input(user_input)
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except InputValidationError as error:
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errors["base"] = error.base
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unexpected exception")
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errors["base"] = "unknown"
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else:
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return self.async_create_entry(title=info["title"], data=user_input)
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return self.async_show_form(
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step_id="user", data_schema=DATA_SCHEMA, errors=errors
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)
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class InputValidationError(exceptions.HomeAssistantError):
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"""Error to indicate we cannot proceed due to invalid input."""
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def __init__(self, base: str) -> None:
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"""Initialize with error base."""
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super().__init__()
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self.base = base
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