21029b1d7b
* Init entities as unavailable when offline * Initial commit * Fix CODEOWNERS * CODEOWNERS * Run script.hassfest * Add initial test * Bump library * More tests * Tests * Add new sensors and fix KeyError * Fix unique_id and device_info * Fix check for configured device * More tests * Bump library version * Add uptime sensor * Use config entry unique ID * Run python3 -m script.gen_requirements_all * Fix pylint error * Remove pysnmp dependency * Raise ConfigEntryNotReady when device offline at HA start * Remove period from logging message * Generator simplification * Change raise_on_progress * Rename data to printer * Move update state to async_update * Remove unused _unit_of_measurement * Remove update of device_info * Suggested change for tests * Remove unnecessary argument * Suggested change
69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
"""Adds config flow for Brother Printer."""
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import ipaddress
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import re
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from brother import Brother, SnmpError, UnsupportedModel
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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, CONF_TYPE
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from .const import DOMAIN, PRINTER_TYPES # pylint:disable=unused-import
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DATA_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_HOST, default=""): str,
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vol.Optional(CONF_TYPE, default="laser"): vol.In(PRINTER_TYPES),
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}
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)
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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 == (4 or 6):
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return True
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except ValueError:
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disallowed = re.compile(r"[^a-zA-Z\d\-]")
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return all(x and not disallowed.search(x) for x in host.split("."))
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class BrotherConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for Brother Printer."""
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VERSION = 1
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CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
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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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try:
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if not host_valid(user_input[CONF_HOST]):
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raise InvalidHost()
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brother = Brother(user_input[CONF_HOST])
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await brother.async_update()
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await self.async_set_unique_id(brother.serial.lower())
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self._abort_if_unique_id_configured()
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title = f"{brother.model} {brother.serial}"
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return self.async_create_entry(title=title, data=user_input)
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except InvalidHost:
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errors[CONF_HOST] = "wrong_host"
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except ConnectionError:
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errors["base"] = "connection_error"
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except SnmpError:
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errors["base"] = "snmp_error"
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except UnsupportedModel:
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return self.async_abort(reason="unsupported_model")
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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 InvalidHost(exceptions.HomeAssistantError):
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"""Error to indicate that hostname/IP address is invalid."""
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