b4bac0f7a0
* Remove unnecessary exception re-wraps * Preserve exception chains on re-raise We slap "from cause" to almost all possible cases here. In some cases it could conceivably be better to do "from None" if we really want to hide the cause. However those should be in the minority, and "from cause" should be an improvement over the corresponding raise without a "from" in all cases anyway. The only case where we raise from None here is in plex, where the exception for an original invalid SSL cert is not the root cause for failure to validate a newly fetched one. Follow local convention on exception variable names if there is a consistent one, otherwise `err` to match with majority of codebase. * Fix mistaken re-wrap in homematicip_cloud/hap.py Missed the difference between HmipConnectionError and HmipcConnectionError. * Do not hide original error on plex new cert validation error Original is not the cause for the new one, but showing old in the traceback is useful nevertheless.
74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
"""Config flow for SMS integration."""
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import logging
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import gammu # pylint: disable=import-error, no-member
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import voluptuous as vol
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from homeassistant import config_entries, core, exceptions
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from homeassistant.const import CONF_DEVICE
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from .const import DOMAIN # pylint:disable=unused-import
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from .gateway import create_sms_gateway
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_LOGGER = logging.getLogger(__name__)
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DATA_SCHEMA = vol.Schema({vol.Required(CONF_DEVICE): str})
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async def get_imei_from_config(hass: core.HomeAssistant, data):
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"""Validate the user input allows us to connect.
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Data has the keys from DATA_SCHEMA with values provided by the user.
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"""
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device = data[CONF_DEVICE]
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config = {"Device": device, "Connection": "at"}
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gateway = await create_sms_gateway(config, hass)
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if not gateway:
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raise CannotConnect
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try:
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imei = await gateway.get_imei_async()
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except gammu.GSMError as err: # pylint: disable=no-member
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raise CannotConnect from err
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finally:
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await gateway.terminate_async()
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# Return info that you want to store in the config entry.
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return imei
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class SMSFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for SMS integration."""
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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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if self._async_current_entries():
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return self.async_abort(reason="single_instance_allowed")
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errors = {}
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if user_input is not None:
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try:
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imei = await get_imei_from_config(self.hass, user_input)
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except CannotConnect:
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errors["base"] = "cannot_connect"
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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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if not errors:
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await self.async_set_unique_id(imei)
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self._abort_if_unique_id_configured()
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return self.async_create_entry(title=imei, 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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async def async_step_import(self, user_input):
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"""Handle import."""
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return await self.async_step_user(user_input)
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class CannotConnect(exceptions.HomeAssistantError):
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"""Error to indicate we cannot connect."""
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