dify/api/core/workflow/entities/NodeEntities.py

33 lines
814 B
Python

from enum import Enum
class NodeType(Enum):
"""
Node Types.
"""
START = 'start'
END = 'end'
DIRECT_ANSWER = 'direct-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_ASSIGNER = 'variable-assigner'
@classmethod
def value_of(cls, value: str) -> 'BlockType':
"""
Get value of given block type.
:param value: block type value
:return: block type
"""
for block_type in cls:
if block_type.value == value:
return block_type
raise ValueError(f'invalid block type value {value}')