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feat: add agent strategy on node start

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This commit is contained in:
Novice Lee 2025-01-13 13:30:35 +08:00
parent da8e1ded55
commit 8865bdca05
8 changed files with 51 additions and 17 deletions
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1
api/core/app/apps/workflow_app_runner.py
View File

@ -241,6 +241,7 @@ class WorkflowBasedAppRunner(AppRunner):
predecessor_node_id=event.predecessor_node_id,
in_iteration_id=event.in_iteration_id,
parallel_mode_run_id=event.parallel_mode_run_id,
agent_strategy=event.agent_strategy,
)
)
elif isinstance(event, NodeRunSucceededEvent):

3
api/core/app/entities/queue_entities.py
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@ -6,7 +6,7 @@ from typing import Any, Optional
from pydantic import BaseModel
from core.model_runtime.entities.llm_entities import LLMResult, LLMResultChunk
from core.workflow.entities.node_entities import NodeRunMetadataKey
from core.workflow.entities.node_entities import AgentNodeStrategyInit, NodeRunMetadataKey
from core.workflow.graph_engine.entities.graph_runtime_state import GraphRuntimeState
from core.workflow.nodes import NodeType
from core.workflow.nodes.base import BaseNodeData
@ -281,6 +281,7 @@ class QueueNodeStartedEvent(AppQueueEvent):
start_at: datetime
parallel_mode_run_id: Optional[str] = None
"""iteratoin run in parallel mode run id"""
agent_strategy: Optional[AgentNodeStrategyInit] = None
class QueueNodeSucceededEvent(AppQueueEvent):

2
api/core/app/entities/task_entities.py
View File

@ -6,6 +6,7 @@ from pydantic import BaseModel, ConfigDict
from core.model_runtime.entities.llm_entities import LLMResult
from core.model_runtime.utils.encoders import jsonable_encoder
from core.workflow.entities.node_entities import AgentNodeStrategyInit
from models.workflow import WorkflowNodeExecutionStatus
@ -248,6 +249,7 @@ class NodeStartStreamResponse(StreamResponse):
parent_parallel_start_node_id: Optional[str] = None
iteration_id: Optional[str] = None
parallel_run_id: Optional[str] = None
agent_strategy: Optional[AgentNodeStrategyInit] = None
event: StreamEvent = StreamEvent.NODE_STARTED
workflow_run_id: str

1
api/core/app/task_pipeline/workflow_cycle_manage.py
View File

@ -541,6 +541,7 @@ class WorkflowCycleManage:
parent_parallel_start_node_id=event.parent_parallel_start_node_id,
iteration_id=event.in_iteration_id,
parallel_run_id=event.parallel_mode_run_id,
agent_strategy=event.agent_strategy,
),
)

5
api/core/workflow/entities/node_entities.py
View File

@ -49,3 +49,8 @@ class NodeRunResult(BaseModel):
# single step node run retry
retry_index: int = 0
class AgentNodeStrategyInit(BaseModel):
name: str
icon: str | None = None

5
api/core/workflow/graph_engine/entities/event.py
View File

@ -4,6 +4,7 @@ from typing import Any, Optional
from pydantic import BaseModel, Field
from core.workflow.entities.node_entities import AgentNodeStrategyInit
from core.workflow.graph_engine.entities.runtime_route_state import RouteNodeState
from core.workflow.nodes import NodeType
from core.workflow.nodes.base import BaseNodeData
@ -66,8 +67,10 @@ class BaseNodeEvent(GraphEngineEvent):
class NodeRunStartedEvent(BaseNodeEvent):
predecessor_node_id: Optional[str] = None
parallel_mode_run_id: Optional[str] = None
"""predecessor node id"""
parallel_mode_run_id: Optional[str] = None
"""iteration node parallel mode run id"""
agent_strategy: Optional[AgentNodeStrategyInit] = None
class NodeRunStreamChunkEvent(BaseNodeEvent):

13
api/core/workflow/graph_engine/graph_engine.py
View File

@ -14,7 +14,7 @@ from flask import Flask, current_app
from configs import dify_config
from core.app.apps.base_app_queue_manager import GenerateTaskStoppedError
from core.app.entities.app_invoke_entities import InvokeFrom
from core.workflow.entities.node_entities import NodeRunMetadataKey, NodeRunResult
from core.workflow.entities.node_entities import AgentNodeStrategyInit, NodeRunMetadataKey, NodeRunResult
from core.workflow.entities.variable_pool import VariablePool, VariableValue
from core.workflow.graph_engine.condition_handlers.condition_manager import ConditionManager
from core.workflow.graph_engine.entities.event import (
@ -40,6 +40,8 @@ from core.workflow.graph_engine.entities.graph_init_params import GraphInitParam
from core.workflow.graph_engine.entities.graph_runtime_state import GraphRuntimeState
from core.workflow.graph_engine.entities.runtime_route_state import RouteNodeState
from core.workflow.nodes import NodeType
from core.workflow.nodes.agent.agent_node import AgentNode
from core.workflow.nodes.agent.entities import AgentNodeData
from core.workflow.nodes.answer.answer_stream_processor import AnswerStreamProcessor
from core.workflow.nodes.answer.base_stream_processor import StreamProcessor
from core.workflow.nodes.base import BaseNode
@ -606,6 +608,14 @@ class GraphEngine:
Run node
"""
# trigger node run start event
agent_strategy = (
AgentNodeStrategyInit(
name=cast(AgentNodeData, node_instance.node_data).agent_strategy_name,
icon=cast(AgentNode, node_instance).agent_strategy_icon,
)
if node_instance.node_type == NodeType.AGENT
else None
)
yield NodeRunStartedEvent(
id=node_instance.id,
node_id=node_instance.node_id,
@ -617,6 +627,7 @@ class GraphEngine:
parallel_start_node_id=parallel_start_node_id,
parent_parallel_id=parent_parallel_id,
parent_parallel_start_node_id=parent_parallel_start_node_id,
agent_strategy=agent_strategy,
)
db.session.close()

38
api/core/workflow/nodes/agent/agent_node.py
View File

@ -90,18 +90,11 @@ class AgentNode(ToolNode):
try:
# convert tool messages
manager = PluginInstallationManager()
plugins = manager.list_plugins(self.tenant_id)
current_plugin = next(
plugin
for plugin in plugins
if f"{plugin.plugin_id}/{plugin.name}"
== cast(AgentNodeData, self.node_data).agent_strategy_provider_name
)
yield from self._transform_message(
message_stream,
{
"icon": current_plugin.declaration.icon,
"icon": self.agent_strategy_icon,
"agent_strategy": cast(AgentNodeData, self.node_data).agent_strategy_name,
},
parameters_for_log,
@ -229,16 +222,33 @@ class AgentNode(ToolNode):
result: dict[str, Any] = {}
for parameter_name in node_data.agent_parameters:
input = node_data.agent_parameters[parameter_name]
if input.type == "mixed":
assert isinstance(input.value, str)
selectors = VariableTemplateParser(input.value).extract_variable_selectors()
if input.type in ["mixed", "constant"]:
selectors = VariableTemplateParser(str(input.value)).extract_variable_selectors()
for selector in selectors:
result[selector.variable] = selector.value_selector
elif input.type == "variable":
result[parameter_name] = input.value
elif input.type == "constant":
pass
result = {node_id + "." + key: value for key, value in result.items()}
return result
@property
def agent_strategy_icon(self) -> str | None:
"""
Get agent strategy icon
:return:
"""
manager = PluginInstallationManager()
plugins = manager.list_plugins(self.tenant_id)
try:
current_plugin = next(
plugin
for plugin in plugins
if f"{plugin.plugin_id}/{plugin.name}"
== cast(AgentNodeData, self.node_data).agent_strategy_provider_name
)
icon = current_plugin.declaration.icon
except StopIteration:
icon = None
return icon