mirror of https://github.com/home-assistant/core
107 lines
3.6 KiB
Python
107 lines
3.6 KiB
Python
"""Config flow for solarlog integration."""
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import logging
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from urllib.parse import ParseResult, urlparse
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from requests.exceptions import HTTPError, Timeout
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from sunwatcher.solarlog.solarlog import SolarLog
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.const import CONF_HOST, CONF_NAME
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.util import slugify
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from .const import DEFAULT_HOST, DEFAULT_NAME, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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@callback
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def solarlog_entries(hass: HomeAssistant):
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"""Return the hosts already configured."""
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return {
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entry.data[CONF_HOST] for entry in hass.config_entries.async_entries(DOMAIN)
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}
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class SolarLogConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for solarlog."""
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VERSION = 1
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def __init__(self) -> None:
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"""Initialize the config flow."""
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self._errors = {}
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def _host_in_configuration_exists(self, host) -> bool:
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"""Return True if host exists in configuration."""
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if host in solarlog_entries(self.hass):
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return True
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return False
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async def _test_connection(self, host):
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"""Check if we can connect to the Solar-Log device."""
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try:
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await self.hass.async_add_executor_job(SolarLog, host)
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return True
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except (OSError, HTTPError, Timeout):
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self._errors[CONF_HOST] = "cannot_connect"
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_LOGGER.error(
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"Could not connect to Solar-Log device at %s, check host ip address",
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host,
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)
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return False
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async def async_step_user(self, user_input=None):
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"""Step when user initializes a integration."""
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self._errors = {}
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if user_input is not None:
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# set some defaults in case we need to return to the form
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name = slugify(user_input.get(CONF_NAME, DEFAULT_NAME))
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host_entry = user_input.get(CONF_HOST, DEFAULT_HOST)
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url = urlparse(host_entry, "http")
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netloc = url.netloc or url.path
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path = url.path if url.netloc else ""
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url = ParseResult("http", netloc, path, *url[3:])
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host = url.geturl()
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if self._host_in_configuration_exists(host):
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self._errors[CONF_HOST] = "already_configured"
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else:
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if await self._test_connection(host):
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return self.async_create_entry(title=name, data={CONF_HOST: host})
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else:
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user_input = {}
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user_input[CONF_NAME] = DEFAULT_NAME
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user_input[CONF_HOST] = DEFAULT_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(
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{
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vol.Required(
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CONF_NAME, default=user_input.get(CONF_NAME, DEFAULT_NAME)
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): str,
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vol.Required(
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CONF_HOST, default=user_input.get(CONF_HOST, DEFAULT_HOST)
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): str,
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}
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),
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errors=self._errors,
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)
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async def async_step_import(self, user_input=None):
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"""Import a config entry."""
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host_entry = user_input.get(CONF_HOST, DEFAULT_HOST)
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url = urlparse(host_entry, "http")
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netloc = url.netloc or url.path
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path = url.path if url.netloc else ""
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url = ParseResult("http", netloc, path, *url[3:])
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host = url.geturl()
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if self._host_in_configuration_exists(host):
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return self.async_abort(reason="already_configured")
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return await self.async_step_user(user_input)
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