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Update app.py
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app.py
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import gradio as gr
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import json
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import random
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def
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"""
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for line in f:
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data.append(json.loads(line))
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return data
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def
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"""
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data =
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if len(data) == 0:
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return "
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output = "\n".join([f"**{key}**: {value}" for key, value in random_entry.items()])
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return output,
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def sample_more(data):
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"""从已有数据中再采样一条"""
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if not data:
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return "
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random_entry = random.choice(data)
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# 格式化输出为Markdown
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output = "\n".join([f"**{key}**: {value}" for key, value in random_entry.items()])
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return output
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# Gradio 界面
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with gr.Blocks() as app:
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gr.Markdown("#
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gr.Markdown("
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with gr.Row():
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sample_button = gr.Button("再采样")
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output_box = gr.Textbox(label="随机数据", lines=10, max_lines=20)
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@@ -48,8 +62,8 @@ with gr.Blocks() as app:
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# 用于存储加载后的数据
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state_data = gr.State()
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#
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# 绑定事件:点击按钮后从已有数据中再采样
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sample_button.click(sample_more, inputs=state_data, outputs=output_box)
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import gradio as gr
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import json
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import random
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from datasets import load_dataset
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def load_huggingface_dataset(dataset_name):
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"""从 Hugging Face 加载数据集"""
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dataset = load_dataset(dataset_name)
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return dataset['train'] # 假设我们使用训练集
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def parse_json_or_jsonl(data):
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"""解析 JSON 或 JSONL 格式的数据"""
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parsed_data = []
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if isinstance(data, list): # 如果是 JSON 格式(列表)
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parsed_data = data
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elif isinstance(data, str): # 如果是 JSONL 格式(每行一个 JSON 对象)
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for line in data.splitlines():
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if line.strip(): # 跳过空行
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parsed_data.append(json.loads(line))
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return parsed_data
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def random_data_viewer(dataset_name):
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"""从 Hugging Face 数据集中随机抽取一条数据"""
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if dataset_name is None:
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return "请选择一个数据集!", None
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data = load_huggingface_dataset(dataset_name)
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if len(data) == 0:
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return "数据集为空或格式不正确!", None
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# 将数据集转换为列表形式
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data_list = [item for item in data]
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# 随机选择一条数据
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random_entry = random.choice(data_list)
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# 格式化输出为 Markdown
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output = "\n".join([f"**{key}**: {value}" for key, value in random_entry.items()])
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return output, data_list # 返回数据以存储供后续使用
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def sample_more(data):
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"""从已有数据中再采样一条"""
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if not data:
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return "没有可用数据,请先选择一个数据集!"
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random_entry = random.choice(data)
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# 格式化输出为 Markdown
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output = "\n".join([f"**{key}**: {value}" for key, value in random_entry.items()])
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return output
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# Gradio 界面
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with gr.Blocks() as app:
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gr.Markdown("# Hugging Face 数据集查看器")
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gr.Markdown("选择一个 Hugging Face 数据集,随机展示其中一条数据。点击按钮可以重新采样。")
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with gr.Row():
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dataset_name = gr.Textbox(label="输入 Hugging Face 数据集名称", placeholder="例如: imdb")
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sample_button = gr.Button("再采样")
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output_box = gr.Textbox(label="随机数据", lines=10, max_lines=20)
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# 用于存储加载后的数据
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state_data = gr.State()
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# 绑定事件:输入数据集名称后随机取一条数据
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dataset_name.change(random_data_viewer, inputs=dataset_name, outputs=[output_box, state_data])
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# 绑定事件:点击按钮后从已有数据中再采样
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sample_button.click(sample_more, inputs=state_data, outputs=output_box)
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