import random
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import httpx
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import xml.etree.ElementTree as ET
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from bs4 import BeautifulSoup
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from config.logger import setup_logging
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from plugins_func.register import register_function, ToolType, ActionResponse, Action
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from core.connection import ConnectionHandler
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TAG = __name__
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logger = setup_logging()
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GET_NEWS_FROM_CHINANEWS_FUNCTION_DESC = {
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"type": "function",
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"function": {
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"name": "get_news_from_chinanews",
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"description": (
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"当用户要求查看或收听新闻时调用（如'来条新闻''今天有什么新闻'）。"
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"用户可以指定新闻类型，如社会新闻、科技新闻、国际新闻等。"
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"如果没有指定，默认播报社会新闻。"
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),
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"parameters": {
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"type": "object",
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"properties": {
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"category": {
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"type": "string",
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"description": "新闻类别，例如社会、科技、国际。可选参数，如果不提供则使用默认类别",
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},
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"detail": {
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"type": "boolean",
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"description": "是否获取详细内容，默认为false。如果为true，则获取上一条新闻的详细内容",
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},
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"lang": {
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"type": "string",
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"description": "返回用户使用的语言code，例如zh_CN/zh_HK/en_US/ja_JP等，默认zh_CN",
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},
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},
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"required": ["lang"],
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},
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},
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}
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async def fetch_news_from_rss(rss_url):
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"""从RSS源获取新闻列表"""
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try:
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async with httpx.AsyncClient(timeout=httpx.Timeout(5.0, connect=3.0)) as client:
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response = await client.get(rss_url)
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# 解析XML
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root = ET.fromstring(response.content)
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# 查找所有item元素（新闻条目）
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news_items = []
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for item in root.findall(".//item"):
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title = (
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item.find("title").text if item.find("title") is not None else "无标题"
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)
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link = item.find("link").text if item.find("link") is not None else "#"
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description = (
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item.find("description").text
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if item.find("description") is not None
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else "无描述"
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)
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pubDate = (
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item.find("pubDate").text
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if item.find("pubDate") is not None
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else "未知时间"
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)
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news_items.append(
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{
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"title": title,
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"link": link,
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"description": description,
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"pubDate": pubDate,
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}
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)
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return news_items
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except Exception as e:
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logger.bind(tag=TAG).error(f"获取RSS新闻失败: {e}")
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return []
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async def fetch_news_detail(url):
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"""获取新闻详情页内容并总结"""
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try:
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async with httpx.AsyncClient(timeout=httpx.Timeout(10.0, connect=3.0)) as client:
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response = await client.get(url)
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soup = BeautifulSoup(response.content, "html.parser")
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# 尝试提取正文内容 (这里的选择器需要根据实际网站结构调整)
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content_div = soup.select_one(
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".content_desc, .content, article, .article-content"
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)
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if content_div:
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paragraphs = content_div.find_all("p")
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content = "\n".join(
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[p.get_text().strip() for p in paragraphs if p.get_text().strip()]
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)
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return content
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else:
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# 如果找不到特定的内容区域，尝试获取所有段落
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paragraphs = soup.find_all("p")
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content = "\n".join(
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[p.get_text().strip() for p in paragraphs if p.get_text().strip()]
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)
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return content[:2000] # 限制长度
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except Exception as e:
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logger.bind(tag=TAG).error(f"获取新闻详情失败: {e}")
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return "无法获取详细内容"
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def map_category(category_text):
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"""将用户输入的中文类别映射到配置文件中的类别键"""
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if not category_text:
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return None
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# 类别映射字典，目前支持社会、国际、财经新闻，如需更多类型，参见配置文件
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category_map = {
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# 社会新闻
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"社会": "society_rss_url",
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"社会新闻": "society_rss_url",
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# 国际新闻
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"国际": "world_rss_url",
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"国际新闻": "world_rss_url",
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# 财经新闻
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"财经": "finance_rss_url",
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"财经新闻": "finance_rss_url",
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"金融": "finance_rss_url",
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"经济": "finance_rss_url",
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}
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# 转换为小写并去除空格
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normalized_category = category_text.lower().strip()
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# 返回映射结果，如果没有匹配项则返回原始输入
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return category_map.get(normalized_category, category_text)
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@register_function(
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"get_news_from_chinanews",
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GET_NEWS_FROM_CHINANEWS_FUNCTION_DESC,
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ToolType.SYSTEM_CTL,
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)
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async def get_news_from_chinanews(
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conn: "ConnectionHandler",
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category: str = None,
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detail: bool = False,
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lang: str = "zh_CN",
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):
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"""获取新闻并随机选择一条进行播报，或获取上一条新闻的详细内容"""
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try:
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# 如果detail为True，获取上一条新闻的详细内容
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if detail:
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if (
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not hasattr(conn, "last_news_link")
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or not conn.last_news_link
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or "link" not in conn.last_news_link
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):
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return ActionResponse(
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Action.REQLLM,
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"抱歉，没有找到最近查询的新闻，请先获取一条新闻。",
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None,
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)
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link = conn.last_news_link.get("link")
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title = conn.last_news_link.get("title", "未知标题")
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if link == "#":
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return ActionResponse(
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Action.REQLLM, "抱歉，该新闻没有可用的链接获取详细内容。", None
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)
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logger.bind(tag=TAG).debug(f"获取新闻详情: {title}, URL={link}")
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# 获取新闻详情
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detail_content = await fetch_news_detail(link)
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if not detail_content or detail_content == "无法获取详细内容":
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return ActionResponse(
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Action.REQLLM,
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f"抱歉，无法获取《{title}》的详细内容，可能是链接已失效或网站结构发生变化。",
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None,
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)
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# 构建详情报告
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detail_report = (
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f"根据下列数据，用{lang}回应用户的新闻详情查询请求：\n\n"
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f"新闻标题: {title}\n"
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f"详细内容: {detail_content}\n\n"
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f"(请对上述新闻内容进行总结，提取关键信息，以自然、流畅的方式向用户播报，"
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f"不要提及这是总结，就像是在讲述一个完整的新闻故事)"
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)
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return ActionResponse(Action.REQLLM, detail_report, None)
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# 否则，获取新闻列表并随机选择一条
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# 从配置中获取RSS URL
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rss_config = conn.config.get("plugins", {}).get("get_news_from_chinanews", {})
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default_rss_url = rss_config.get(
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"default_rss_url", "https://www.chinanews.com.cn/rss/society.xml"
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)
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# 将用户输入的类别映射到配置中的类别键
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mapped_category = map_category(category)
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# 如果提供了类别，尝试从配置中获取对应的URL
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rss_url = default_rss_url
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if mapped_category and mapped_category in rss_config:
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rss_url = rss_config[mapped_category]
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logger.bind(tag=TAG).info(
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f"获取新闻: 原始类别={category}, 映射类别={mapped_category}, URL={rss_url}"
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)
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# 获取新闻列表
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news_items = await fetch_news_from_rss(rss_url)
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if not news_items:
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return ActionResponse(
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Action.REQLLM, "抱歉，未能获取到新闻信息，请稍后再试。", None
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)
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# 随机选择一条新闻
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selected_news = random.choice(news_items)
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# 保存当前新闻链接到连接对象，以便后续查询详情
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if not hasattr(conn, "last_news_link"):
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conn.last_news_link = {}
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conn.last_news_link = {
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"link": selected_news.get("link", "#"),
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"title": selected_news.get("title", "未知标题"),
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}
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# 构建新闻报告
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news_report = (
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f"根据下列数据，用{lang}回应用户的新闻查询请求：\n\n"
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f"新闻标题: {selected_news['title']}\n"
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f"发布时间: {selected_news['pubDate']}\n"
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f"新闻内容: {selected_news['description']}\n"
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f"(请以自然、流畅的方式向用户播报这条新闻，可以适当总结内容，"
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f"直接读出新闻即可，不需要额外多余的内容。"
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f"如果用户询问更多详情，告知用户可以说'请详细介绍这条新闻'获取更多内容)"
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)
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return ActionResponse(Action.REQLLM, news_report, None)
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except Exception as e:
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logger.bind(tag=TAG).error(f"获取新闻出错: {e}")
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return ActionResponse(
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Action.REQLLM, "抱歉，获取新闻时发生错误，请稍后再试。", None
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)
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