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fix(llm): support 'reasoning' field from Ollama in streaming responses #843

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fix(llm): support 'reasoning' field from Ollama in streaming responses #843

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28 changes: 14 additions & 14 deletions qwen_agent/llm/oai.py
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Original file line number Diff line number Diff line change
Expand Up @@ -108,26 +108,26 @@ def _chat_stream(
if delta_stream:
for chunk in response:
if chunk.choices:
if hasattr(chunk.choices[0].delta,
'reasoning_content') and chunk.choices[0].delta.reasoning_content:
yield [
Message(role=ASSISTANT,
content='',
reasoning_content=chunk.choices[0].delta.reasoning_content)
]
if hasattr(chunk.choices[0].delta, 'content') and chunk.choices[0].delta.content:
yield [Message(role=ASSISTANT, content=chunk.choices[0].delta.content)]
delta = chunk.choices[0].delta
# Support both 'reasoning_content' (vLLM/Qwen) and 'reasoning' (Ollama) fields
reasoning = getattr(delta, 'reasoning_content', None) or getattr(delta, 'reasoning', None)
if reasoning:
yield [Message(role=ASSISTANT, content='', reasoning_content=reasoning)]
if getattr(delta, 'content', None):
yield [Message(role=ASSISTANT, content=delta.content)]
else:
full_response = ''
full_reasoning_content = ''
full_tool_calls = []
for chunk in response:
if chunk.choices:
if hasattr(chunk.choices[0].delta,
'reasoning_content') and chunk.choices[0].delta.reasoning_content:
full_reasoning_content += chunk.choices[0].delta.reasoning_content
if hasattr(chunk.choices[0].delta, 'content') and chunk.choices[0].delta.content:
full_response += chunk.choices[0].delta.content
delta = chunk.choices[0].delta
# Support both 'reasoning_content' (vLLM/Qwen) and 'reasoning' (Ollama) fields
reasoning = getattr(delta, 'reasoning_content', None) or getattr(delta, 'reasoning', None)
if reasoning:
full_reasoning_content += reasoning
if getattr(delta, 'content', None):
full_response += delta.content
if hasattr(chunk.choices[0].delta, 'tool_calls') and chunk.choices[0].delta.tool_calls:
for tc in chunk.choices[0].delta.tool_calls:
if full_tool_calls and (not tc.id or
Expand Down