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community: tongyi multimodal response format fix to support langchain (#28645)
Description: The multimodal(tongyi) response format "message": {"role": "assistant", "content": [{"text": "图像"}]}}]} is not compatible with LangChain. Dependencies: No --------- Co-authored-by: Erick Friis <erick@langchain.dev>
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@ -547,6 +547,19 @@ class ChatTongyi(BaseChatModel):
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if _kwargs.get("stream") and not _kwargs.get(
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"incremental_output", False
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):
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# inline fix response text logic
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resp_copy = json.loads(json.dumps(resp))
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if resp_copy.get("output") and resp_copy["output"].get("choices"):
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choice = resp_copy["output"]["choices"][0]
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message = choice["message"]
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if isinstance(message.get("content"), list):
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content_text = "".join(
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item.get("text", "")
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for item in message["content"]
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if isinstance(item, dict)
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)
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message["content"] = content_text
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resp = resp_copy
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if prev_resp is None:
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delta_resp = resp
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else:
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