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import random
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import requests
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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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TAG = __name__
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logger = setup_logging()
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GET_NEWS_FUNCTION_DESC = {
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"type": "function",
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"function": {
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"name": "get_news",
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"description": (
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"获取最新新闻，随机选择一条新闻进行播报。"
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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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"用户可以要求获取详细内容，此时会获取新闻的详细内容。"
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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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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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response = requests.get(rss_url)
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response.raise_for_status()
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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 = item.find('title').text if item.find('title') is not None else "无标题"
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link = item.find('link').text if item.find('link') is not None else "#"
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description = item.find('description').text if item.find('description') is not None else "无描述"
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pubDate = item.find('pubDate').text if item.find('pubDate') is not None else "未知时间"
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news_items.append({
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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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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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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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response = requests.get(url)
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response.raise_for_status()
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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('.content_desc, .content, article, .article-content')
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if content_div:
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paragraphs = content_div.find_all('p')
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content = '\n'.join([p.get_text().strip() for p in paragraphs if p.get_text().strip()])
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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([p.get_text().strip() for p in paragraphs if p.get_text().strip()])
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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",
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"社会新闻": "society",
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# 国际新闻
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"国际": "world",
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"国际新闻": "world",
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# 财经新闻
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"财经": "finance",
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"财经新闻": "finance",
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"金融": "finance",
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"经济": "finance"
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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('get_news', GET_NEWS_FUNCTION_DESC, ToolType.SYSTEM_CTL)
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def get_news(conn, category: str = None, detail: bool = False, lang: str = "zh_CN"):
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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 not hasattr(conn, 'last_news_link') or not conn.last_news_link or 'link' not in conn.last_news_link:
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return ActionResponse(Action.REQLLM, "抱歉，没有找到最近查询的新闻，请先获取一条新闻。", None)
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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(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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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 = 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(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。", None)
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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["plugins"]["get_news"]
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default_rss_url = rss_config.get("default_rss_url", "https://www.chinanews.com.cn/rss/society.xml")
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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.get("category_urls", {}):
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rss_url = rss_config["category_urls"][mapped_category]
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logger.bind(tag=TAG).info(f"获取新闻: 原始类别={category}, 映射类别={mapped_category}, URL={rss_url}")
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# 获取新闻列表
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news_items = fetch_news_from_rss(rss_url)
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if not news_items:
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return ActionResponse(Action.REQLLM, "抱歉，未能获取到新闻信息，请稍后再试。", None)
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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(Action.REQLLM, "抱歉，获取新闻时发生错误，请稍后再试。", None) |
