Files
dify/api/dify_graph/node_events/node.py

66 lines
2.0 KiB
Python

from collections.abc import Sequence
from datetime import datetime
from pydantic import Field
from core.rag.entities.citation_metadata import RetrievalSourceMetadata
from dify_graph.entities.pause_reason import PauseReason
from dify_graph.file import File
from dify_graph.model_runtime.entities.llm_entities import LLMUsage
from dify_graph.node_events import NodeRunResult
from .base import NodeEventBase
class RunRetrieverResourceEvent(NodeEventBase):
retriever_resources: Sequence[RetrievalSourceMetadata] = Field(..., description="retriever resources")
context: str = Field(..., description="context")
context_files: list[File] | None = Field(default=None, description="context files")
class ModelInvokeCompletedEvent(NodeEventBase):
text: str
usage: LLMUsage
finish_reason: str | None = None
reasoning_content: str | None = None
structured_output: dict | None = None
class RunRetryEvent(NodeEventBase):
error: str = Field(..., description="error")
retry_index: int = Field(..., description="Retry attempt number")
start_at: datetime = Field(..., description="Retry start time")
class StreamChunkEvent(NodeEventBase):
# Spec-compliant fields
selector: Sequence[str] = Field(
..., description="selector identifying the output location (e.g., ['nodeA', 'text'])"
)
chunk: str = Field(..., description="the actual chunk content")
is_final: bool = Field(default=False, description="indicates if this is the last chunk")
class StreamCompletedEvent(NodeEventBase):
node_run_result: NodeRunResult = Field(..., description="run result")
class PauseRequestedEvent(NodeEventBase):
reason: PauseReason = Field(..., description="pause reason")
class HumanInputFormFilledEvent(NodeEventBase):
"""Event emitted when a human input form is submitted."""
node_title: str
rendered_content: str
action_id: str
action_text: str
class HumanInputFormTimeoutEvent(NodeEventBase):
"""Event emitted when a human input form times out."""
node_title: str
expiration_time: datetime