refactor(api): rename dify_graph to graphon (#34095)

api/graphon/nodes/end/end_node.py

@@ -0,0 +1,47 @@
+from graphon.enums import BuiltinNodeTypes, NodeExecutionType, WorkflowNodeExecutionStatus
+from graphon.node_events import NodeRunResult
+from graphon.nodes.base.node import Node
+from graphon.nodes.base.template import Template
+from graphon.nodes.end.entities import EndNodeData
+
+
+class EndNode(Node[EndNodeData]):
+    node_type = BuiltinNodeTypes.END
+    execution_type = NodeExecutionType.RESPONSE
+
+    @classmethod
+    def version(cls) -> str:
+        return "1"
+
+    def _run(self) -> NodeRunResult:
+        """
+        Run node - collect all outputs at once.
+
+        This method runs after streaming is complete (if streaming was enabled).
+        It collects all output variables and returns them.
+        """
+        output_variables = self.node_data.outputs
+
+        outputs = {}
+        for variable_selector in output_variables:
+            variable = self.graph_runtime_state.variable_pool.get(variable_selector.value_selector)
+            value = variable.to_object() if variable is not None else None
+            outputs[variable_selector.variable] = value
+
+        return NodeRunResult(
+            status=WorkflowNodeExecutionStatus.SUCCEEDED,
+            inputs=outputs,
+            outputs=outputs,
+        )
+
+    def get_streaming_template(self) -> Template:
+        """
+        Get the template for streaming.
+
+        Returns:
+            Template instance for this End node
+        """
+        outputs_config = [
+            {"variable": output.variable, "value_selector": output.value_selector} for output in self.node_data.outputs
+        ]
+        return Template.from_end_outputs(outputs_config)

api/graphon/nodes/end/entities.py

@@ -0,0 +1,27 @@
+from pydantic import BaseModel, Field
+
+from graphon.entities.base_node_data import BaseNodeData
+from graphon.enums import BuiltinNodeTypes, NodeType
+from graphon.nodes.base.entities import OutputVariableEntity
+
+
+class EndNodeData(BaseNodeData):
+    """
+    END Node Data.
+    """
+
+    type: NodeType = BuiltinNodeTypes.END
+    outputs: list[OutputVariableEntity]
+
+
+class EndStreamParam(BaseModel):
+    """
+    EndStreamParam entity
+    """
+
+    end_dependencies: dict[str, list[str]] = Field(
+        ..., description="end dependencies (end node id -> dependent node ids)"
+    )
+    end_stream_variable_selector_mapping: dict[str, list[list[str]]] = Field(
+        ..., description="end stream variable selector mapping (end node id -> stream variable selectors)"
+    )