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Create app.py
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app.py
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import fasttext
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import gradio as gr
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# 训练数据(直接在代码中写入)
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train_data = [
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"__label__查余额 查询余额",
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"__label__查余额 账户里有多少钱",
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"__label__信用卡申请 申请信用卡",
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"__label__信用卡申请 我想办一张信用卡",
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"__label__贷款利率 贷款利率是多少",
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"__label__贷款利率 现在房贷利息多少"
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]
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# 将训练数据保存到一个临时文件,以便 FastText 使用
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train_file = "train_data.txt"
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with open(train_file, "w") as f:
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for line in train_data:
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f.write(line + "\n")
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# 训练 FastText 分类模型
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model = fasttext.train_supervised(input=train_file, epoch=25, lr=0.5, wordNgrams=2, dim=100)
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# 保存训练好的模型
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model.save_model("intent_classifier.bin")
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# 定义一个用于预测的函数
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def classify_intent(text):
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label, confidence = model.predict(text)
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return label[0].replace("__label__", ""), confidence[0]
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# 创建 Gradio 界面
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iface = gr.Interface(fn=classify_intent,
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inputs=gr.Textbox(label="请输入查询内容"),
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outputs=[gr.Textbox(label="预测意图"), gr.Textbox(label="置信度")])
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# 启动 Gradio 应用
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iface.launch()
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