57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
"""Config flow to configure firmata component."""
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import logging
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from pymata_express.pymata_express_serial import serial
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from homeassistant import config_entries
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from homeassistant.const import CONF_NAME
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from .board import get_board
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from .const import CONF_SERIAL_PORT, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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class FirmataFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a firmata config flow."""
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VERSION = 1
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async def async_step_import(self, import_config: dict):
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"""Import a firmata board as a config entry.
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This flow is triggered by `async_setup` for configured boards.
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This will execute for any board that does not have a
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config entry yet (based on entry_id). It validates a connection
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and then adds the entry.
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"""
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name = f"serial-{import_config[CONF_SERIAL_PORT]}"
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import_config[CONF_NAME] = name
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# Connect to the board to verify connection and then shutdown
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# If either fail then we cannot continue
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_LOGGER.debug("Connecting to Firmata board %s to test connection", name)
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try:
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api = await get_board(import_config)
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await api.shutdown()
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except RuntimeError as err:
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_LOGGER.error("Error connecting to PyMata board %s: %s", name, err)
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return self.async_abort(reason="cannot_connect")
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except serial.serialutil.SerialTimeoutException as err:
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_LOGGER.error(
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"Timeout writing to serial port for PyMata board %s: %s", name, err
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)
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return self.async_abort(reason="cannot_connect")
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except serial.serialutil.SerialException as err:
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_LOGGER.error(
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"Error connecting to serial port for PyMata board %s: %s", name, err
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)
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return self.async_abort(reason="cannot_connect")
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_LOGGER.debug("Connection test to Firmata board %s successful", name)
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return self.async_create_entry(
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title=import_config[CONF_NAME], data=import_config
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)
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