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fix: LLMResultChunk cause concatenate str and list exception (#18852)

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2025-04-27 11:32:14 +08:00
committed by GitHub
parent 993ef87dca
commit c1559a7c8e
3 changed files with 25 additions and 15 deletions
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16
api/core/workflow/nodes/llm/node.py
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@@ -38,6 +38,7 @@ from core.model_runtime.entities.model_entities import (
)
from core.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
from core.model_runtime.utils.encoders import jsonable_encoder
from core.model_runtime.utils.helper import convert_llm_result_chunk_to_str
from core.plugin.entities.plugin import ModelProviderID
from core.prompt.entities.advanced_prompt_entities import CompletionModelPromptTemplate, MemoryConfig
from core.prompt.utils.prompt_message_util import PromptMessageUtil
@@ -269,18 +270,7 @@ class LLMNode(BaseNode[LLMNodeData]):
def _handle_invoke_result(self, invoke_result: LLMResult | Generator) -> Generator[NodeEvent, None, None]:
if isinstance(invoke_result, LLMResult):
content = invoke_result.message.content
if content is None:
message_text = ""
elif isinstance(content, str):
message_text = content
elif isinstance(content, list):
# Assuming the list contains PromptMessageContent objects with a "data" attribute
message_text = "".join(
item.data if hasattr(item, "data") and isinstance(item.data, str) else str(item) for item in content
)
else:
message_text = str(content)
message_text = convert_llm_result_chunk_to_str(invoke_result.message.content)
yield ModelInvokeCompletedEvent(
text=message_text,
@@ -295,7 +285,7 @@ class LLMNode(BaseNode[LLMNodeData]):
usage = None
finish_reason = None
for result in invoke_result:
text = result.delta.message.content
text = convert_llm_result_chunk_to_str(result.delta.message.content)
full_text += text
yield RunStreamChunkEvent(chunk_content=text, from_variable_selector=[self.node_id, "text"])