Create app.py
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app.py
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import gradio as gr
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import socket
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import time
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def check_dns_resolution(domain):
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"""
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尝试将域名解析为IP地址。
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这是测试DNS问题的最直接方法。
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返回一个包含结果的元组 (domain, status, detail)。
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"""
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try:
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# socket.gethostbyname 是对系统DNS解析器的直接调用。
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# 如果此调用失败,则说明从Space内部无法解析该域名。
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ip_address = socket.gethostbyname(domain)
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return (domain, "✅ 可访问", f"成功解析到IP: {ip_address}")
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except socket.gaierror as e:
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# socket.gaierror 是专门处理地址相关错误的异常(例如,主机名未知)。
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return (domain, "❌ 无法访问", f"DNS解析失败: {e}")
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except Exception as e:
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return (domain, "❌ 出错", f"发生未知错误: {e}")
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def batch_test_domains(domain_list_str, progress=gr.Progress(track_tqdm=True)):
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"""
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对给定的域名列表进行批量测试,并生成Markdown格式的报告。
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"""
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if not domain_list_str or not domain_list_str.strip():
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return "⚠️ 请在文本框中输入至少一个域名。"
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# 将输入字符串分割成域名列表,并清除空白行和多余的空格
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domains_to_test = [d.strip() for d in domain_list_str.split('\n') if d.strip()]
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if not domains_to_test:
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return "⚠️ 输入无效,请输入有效域名。"
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total_domains = len(domains_to_test)
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results = []
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# 使用串行循环代替并发,并加入延迟,以避免触发速率限制
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for i, domain in enumerate(domains_to_test):
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# 更新进度条,这能保持与前端的连接,防止超时
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progress(i / total_domains, desc=f"正在测试 ({i+1}/{total_domains}): {domain}")
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# 执行DNS解析
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result = check_dns_resolution(domain)
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results.append(result)
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# !!! 重要: 加入短暂延迟,防止请求过于密集而被服务器限制 !!!
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time.sleep(0.25)
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# --- 开始生成报告 ---
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accessible_domains = []
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inaccessible_domains = []
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for domain, status, detail in results:
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# 使用 Markdown 的代码格式 `domain` 来突出显示域名
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formatted_line = f"`{domain}` - {detail}"
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if "可访问" in status:
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accessible_domains.append(formatted_line)
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else:
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inaccessible_domains.append(formatted_line)
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report = f"## 批量测试报告 (共测试 {total_domains} 个域名)\n\n"
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report += f"### ✅ 可访问的域名 ({len(accessible_domains)} 个)\n"
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if accessible_domains:
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report += "\n".join([f"- {d}" for d in accessible_domains])
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else:
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report += "无"
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report += f"\n\n### ❌ 无法访问或出错的域名 ({len(inaccessible_domains)} 个)\n"
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if inaccessible_domains:
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report += "\n".join([f"- {d}" for d in inaccessible_domains])
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else:
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report += "无"
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return report
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# --- Gradio 应用界面 ---
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with gr.Blocks(theme=gr.themes.Default(primary_hue="blue", secondary_hue="blue")) as demo:
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gr.Markdown(
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"""
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# Hugging Face Space 出站网络可访问性测试 (优化版)
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在下面的文本框中输入或粘贴您需要测试的域名列表(每行一个)。
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工具将以安全、稳定的方式逐个测试,并生成清晰的报告,以避免IP被临时限制。
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"""
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)
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with gr.Row():
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domain_input = gr.Textbox(
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lines=15,
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label="域名列表 (每行一个)",
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placeholder="www.google.com\nwww.facebook.com\nhuggingface.co\napi.openai.com\n..."
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)
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submit_btn = gr.Button("🚀 开始批量测试", variant="primary")
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output_report = gr.Markdown(label="测试报告")
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# 将按钮点击事件连接到主函数
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submit_btn.click(
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fn=batch_test_domains,
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inputs=domain_input,
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outputs=output_report
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)
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gr.Examples(
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[
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"www.google.com\ngithub.com\nhuggingface.co\nwww.wikipedia.org",
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"www.facebook.com\nwww.instagram.com\nwww.youtube.com\nweb.whatsapp.com"
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],
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inputs=domain_input
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)
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demo.launch()
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