初始化config文件

config/custom_components/nodered/config_flow.py

@@ -0,0 +1,30 @@
+"""Adds config flow for Node-RED."""
+
+from homeassistant import config_entries
+
+from .const import DOMAIN
+
+
+@config_entries.HANDLERS.register(DOMAIN)
+class NodeRedFlowHandler(config_entries.ConfigFlow):
+    """Config flow for Node-RED."""
+
+    VERSION = 1
+    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_PUSH
+
+    def __init__(self) -> None:
+        """Initialize."""
+        self._errors = {}
+
+    async def async_step_user(
+        self, user_input: dict | None = None
+    ) -> config_entries.ConfigFlowResult:
+        """Handle a user initiated set up flow to create a webhook."""
+        if self._async_current_entries():
+            return self.async_abort(reason="single_instance_allowed")
+        if self.hass.data.get(DOMAIN):
+            return self.async_abort(reason="single_instance_allowed")
+
+        if user_input is None:
+            return self.async_show_form(step_id="user")
+        return self.async_create_entry(title="Node-RED", data={})