Home Assistant Unofficial Reference 2024.12.1
config_flow.py
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1 """Config flow for V2C integration."""
2 
3 from __future__ import annotations
4 
5 import logging
6 from typing import Any
7 
8 from pytrydan import Trydan
9 from pytrydan.exceptions import TrydanError
10 import voluptuous as vol
11 
12 from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
13 from homeassistant.const import CONF_HOST
14 from homeassistant.helpers.httpx_client import get_async_client
15 
16 from .const import DOMAIN
17 
18 _LOGGER = logging.getLogger(__name__)
19 
20 STEP_USER_DATA_SCHEMA = vol.Schema(
21  {
22  vol.Required(CONF_HOST): str,
23  }
24 )
25 
26 
27 class V2CConfigFlow(ConfigFlow, domain=DOMAIN):
28  """Handle a config flow for V2C."""
29 
30  VERSION = 1
31 
32  async def async_step_user(
33  self, user_input: dict[str, Any] | None = None
34  ) -> ConfigFlowResult:
35  """Handle the initial step."""
36  errors: dict[str, str] = {}
37  if user_input is not None:
38  evse = Trydan(
39  user_input[CONF_HOST],
40  client=get_async_client(self.hass, verify_ssl=False),
41  )
42 
43  try:
44  data = await evse.get_data()
45 
46  except TrydanError:
47  errors["base"] = "cannot_connect"
48  except Exception:
49  _LOGGER.exception("Unexpected exception")
50  errors["base"] = "unknown"
51  else:
52  if data.ID:
53  await self.async_set_unique_idasync_set_unique_id(data.ID)
54  self._abort_if_unique_id_configured_abort_if_unique_id_configured()
55 
56  return self.async_create_entryasync_create_entryasync_create_entry(
57  title=f"EVSE {user_input[CONF_HOST]}", data=user_input
58  )
59 
60  return self.async_show_formasync_show_formasync_show_form(
61  step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
62  )
ConfigFlowResult async_step_user(self, dict[str, Any]|None user_input=None)
Definition: config_flow.py:34
None _abort_if_unique_id_configured(self, dict[str, Any]|None updates=None, bool reload_on_update=True, *str error="already_configured")
ConfigEntry|None async_set_unique_id(self, str|None unique_id=None, *bool raise_on_progress=True)
ConfigFlowResult async_create_entry(self, *str title, Mapping[str, Any] data, str|None description=None, Mapping[str, str]|None description_placeholders=None, Mapping[str, Any]|None options=None)
ConfigFlowResult async_show_form(self, *str|None step_id=None, vol.Schema|None data_schema=None, dict[str, str]|None errors=None, Mapping[str, str]|None description_placeholders=None, bool|None last_step=None, str|None preview=None)
_FlowResultT async_show_form(self, *str|None step_id=None, vol.Schema|None data_schema=None, dict[str, str]|None errors=None, Mapping[str, str]|None description_placeholders=None, bool|None last_step=None, str|None preview=None)
_FlowResultT async_create_entry(self, *str|None title=None, Mapping[str, Any] data, str|None description=None, Mapping[str, str]|None description_placeholders=None)
httpx.AsyncClient get_async_client(HomeAssistant hass, bool verify_ssl=True)
Definition: httpx_client.py:41