107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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热点数据模型
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"""
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from dataclasses import dataclass, field
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from datetime import datetime
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from typing import Optional, List
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from enum import Enum
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class HotTopicSource(Enum):
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"""热点来源"""
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WEIBO = "weibo" # 微博热搜
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XIAOHONGSHU = "xhs" # 小红书
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DOUYIN = "douyin" # 抖音
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BAIDU = "baidu" # 百度热搜
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BING = "bing" # Bing 搜索
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CALENDAR = "calendar" # 节日日历
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CUSTOM = "custom" # 自定义
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class HotTopicCategory(Enum):
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"""热点分类"""
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TRAVEL = "travel" # 旅游相关
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FOOD = "food" # 美食
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FESTIVAL = "festival" # 节日节气
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EVENT = "event" # 热门事件
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TRENDING = "trending" # 热门话题
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SEASON = "season" # 季节性
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OTHER = "other" # 其他
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@dataclass
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class HotTopic:
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"""热点话题"""
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# 基本信息
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title: str # 话题标题
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source: HotTopicSource # 来源平台
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# 可选信息
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rank: Optional[int] = None # 排名
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heat: Optional[int] = None # 热度值
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category: HotTopicCategory = HotTopicCategory.OTHER
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url: Optional[str] = None # 原始链接
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description: Optional[str] = None # 描述
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tags: List[str] = field(default_factory=list) # 标签
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# 时间信息
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fetched_at: datetime = field(default_factory=datetime.now)
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expires_at: Optional[datetime] = None # 过期时间
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# 额外数据
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extra: dict = field(default_factory=dict)
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def to_dict(self) -> dict:
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"""转换为字典"""
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return {
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'title': self.title,
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'source': self.source.value,
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'rank': self.rank,
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'heat': self.heat,
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'category': self.category.value,
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'url': self.url,
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'description': self.description,
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'tags': self.tags,
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'fetched_at': self.fetched_at.isoformat(),
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'expires_at': self.expires_at.isoformat() if self.expires_at else None,
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'extra': self.extra,
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}
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@classmethod
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def from_dict(cls, data: dict) -> 'HotTopic':
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"""从字典创建"""
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return cls(
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title=data['title'],
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source=HotTopicSource(data.get('source', 'custom')),
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rank=data.get('rank'),
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heat=data.get('heat'),
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category=HotTopicCategory(data.get('category', 'other')),
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url=data.get('url'),
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description=data.get('description'),
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tags=data.get('tags', []),
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fetched_at=datetime.fromisoformat(data['fetched_at']) if data.get('fetched_at') else datetime.now(),
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expires_at=datetime.fromisoformat(data['expires_at']) if data.get('expires_at') else None,
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extra=data.get('extra', {}),
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)
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def is_expired(self) -> bool:
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"""检查是否过期"""
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if self.expires_at is None:
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return False
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return datetime.now() > self.expires_at
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def is_travel_related(self) -> bool:
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"""检查是否与旅游相关"""
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travel_keywords = [
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'旅游', '旅行', '景区', '景点', '酒店', '民宿',
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'攻略', '自驾', '度假', '出游', '周边游', '亲子游',
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'海边', '沙滩', '温泉', '滑雪', '露营', '徒步',
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]
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title_lower = self.title.lower()
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return any(kw in title_lower for kw in travel_keywords)
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