87 lines
2.8 KiB
Python
87 lines
2.8 KiB
Python
"""Helpers for data entry flows for config entries."""
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from functools import partial
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from homeassistant import config_entries
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def register_discovery_flow(domain, title, discovery_function,
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connection_class):
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"""Register flow for discovered integrations that not require auth."""
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config_entries.HANDLERS.register(domain)(
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partial(DiscoveryFlowHandler, domain, title, discovery_function,
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connection_class))
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class DiscoveryFlowHandler(config_entries.ConfigFlow):
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"""Handle a discovery config flow."""
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VERSION = 1
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def __init__(self, domain, title, discovery_function, connection_class):
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"""Initialize the discovery config flow."""
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self._domain = domain
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self._title = title
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self._discovery_function = discovery_function
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self.CONNECTION_CLASS = connection_class # pylint: disable=C0103
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async def async_step_user(self, user_input=None):
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"""Handle a flow initialized by the user."""
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if self._async_current_entries():
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return self.async_abort(
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reason='single_instance_allowed'
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)
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return await self.async_step_confirm()
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async def async_step_confirm(self, user_input=None):
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"""Confirm setup."""
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if user_input is None:
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return self.async_show_form(
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step_id='confirm',
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)
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if self.context and self.context.get('source') != \
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config_entries.SOURCE_DISCOVERY:
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# Get current discovered entries.
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in_progress = self._async_in_progress()
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has_devices = in_progress
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if not has_devices:
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has_devices = await self.hass.async_add_job(
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self._discovery_function, self.hass)
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if not has_devices:
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return self.async_abort(
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reason='no_devices_found'
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)
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# Cancel the discovered one.
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for flow in in_progress:
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self.hass.config_entries.flow.async_abort(flow['flow_id'])
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return self.async_create_entry(
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title=self._title,
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data={},
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)
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async def async_step_discovery(self, discovery_info):
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"""Handle a flow initialized by discovery."""
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if self._async_in_progress() or self._async_current_entries():
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return self.async_abort(
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reason='single_instance_allowed'
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)
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return await self.async_step_confirm()
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async def async_step_import(self, _):
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"""Handle a flow initialized by import."""
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if self._async_in_progress() or self._async_current_entries():
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return self.async_abort(
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reason='single_instance_allowed'
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)
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return self.async_create_entry(
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title=self._title,
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data={},
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)
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