dify/api/enums/workflow_nodes.py
2024-10-14 16:47:03 +08:00

38 lines
1.1 KiB
Python

from enum import Enum
class NodeType(str, Enum):
START = "start"
END = "end"
ANSWER = "answer"
LLM = "llm"
KNOWLEDGE_RETRIEVAL = "knowledge-retrieval"
IF_ELSE = "if-else"
CODE = "code"
TEMPLATE_TRANSFORM = "template-transform"
QUESTION_CLASSIFIER = "question-classifier"
HTTP_REQUEST = "http-request"
TOOL = "tool"
VARIABLE_AGGREGATOR = "variable-aggregator"
VARIABLE_ASSIGNER = "variable-assigner" # TODO: Merge this into VARIABLE_AGGREGATOR in the database.
LOOP = "loop"
ITERATION = "iteration"
ITERATION_START = "iteration-start" # Fake start node for iteration.
PARAMETER_EXTRACTOR = "parameter-extractor"
CONVERSATION_VARIABLE_ASSIGNER = "assigner"
DOCUMENT_EXTRACTOR = "document-extractor"
LIST_FILTER = "list-filter"
@classmethod
def value_of(cls, value: str):
"""
Get value of given node type.
:param value: node type value
:return: node type
"""
for node_type in cls:
if node_type.value == value:
return node_type
raise ValueError(f"invalid node type value {value}")