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app.py
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import gradio as gr
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from transformers import pipeline
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pp_en = pipeline("question-answering",model="deepset/roberta-base-squad2")
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pp_ch = pipeline("question-answering",model="luhua/chinese_pretrain_mrc_roberta_wwm_ext_large")
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def qa_fn(ask,ctxt,model):
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pp = (pp_en if model=="deepset" else pp_ch);
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ret = pp(context=ctxt, question=ask);
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ret['entity']='Answer';
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return {"text":ctxt,"entities":[ret]}, ret['answer'], ret['score']
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#注意HighlightedText的用法。有两种不同用法:https://gradio.app/named_entity_recognition/
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# 一种是list of dict ,一种是list of tuple. 详细用法参考https://gradio.app/named_entity_recognition/吧
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samples= [["乔治的哥哥叫什么名字?","我是小猪佩奇,我是乔治的哥哥,我家住在北京"],["乔治住在哪里呀?","我是小猪佩奇,我是乔治的哥哥,我的家在北京颐和园"]];
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introStr = "用于演示使用人工智能自动寻找问题答案,这将是一种更加高效便捷的新型信息检索方式。";
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titleStr ="智能问答演示程序";
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demo = gr.Interface(qa_fn,
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inputs=[gr.Textbox(label="Question",placeholder='请输入问题'),
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gr.Textbox(label="Context",lines=10,placeholder="请输入一段文本"),
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gr.Radio(["deepset","chinese"],label="Select Model", value="deepset"),
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],
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outputs=[gr.HighlightedText(label='答案位置'),gr.Textbox(label="答案"),gr.Number(label="Score")],
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examples=samples,
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description=introStr,
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title=titleStr);
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demo.launch()
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