mirror of
https://github.com/hotyue/IP-Sentinel.git
synced 2026-05-11 02:39:40 +08:00
113 lines
4.3 KiB
Python
113 lines
4.3 KiB
Python
import urllib.request
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import xml.etree.ElementTree as ET
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import os
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import json
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import re
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import time
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import random
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# ================== [路径防弹装甲] ==================
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# 无论在哪里执行该脚本，都能精准反推项目根目录
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SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
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PROJECT_ROOT = os.path.dirname(SCRIPT_DIR)
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MAP_JSON_PATH = os.path.join(PROJECT_ROOT, "data", "map.json")
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DATA_DIR = os.path.join(PROJECT_ROOT, "data", "keywords")
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# ====================================================
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# 特殊战区代码映射 (Google Trends RSS 要求)
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GEO_FIX = {'UK': 'GB'}
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# ================== [核心修复 1: 兜底机制] ==================
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# Google Trends 不支持的战区，降级抓取 US (美国) 通用流量
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FALLBACK_MAP = {
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'LA': 'US',
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'MN': 'US'
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,'MO': 'HK'
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}
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# ================== [核心修复 2: 随机 UA 池] ==================
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USER_AGENTS = [
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15',
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'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36',
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0'
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]
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def get_active_regions():
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"""动态提取 map.json 中的战区 (适配 v3.5.0 大洲战区降维架构)"""
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try:
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with open(MAP_JSON_PATH, 'r', encoding='utf-8') as f:
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data = json.load(f)
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regions = []
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for continent in data.get('continents', []):
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for country in continent.get('countries', []):
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if 'id' in country:
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regions.append(country['id'])
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return regions
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except Exception as e:
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print(f"❌ [读取地图失败]: {e}")
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return []
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def fetch_trends(region_code):
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"""从 Google Trends 抓取当日热搜"""
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geo = GEO_FIX.get(region_code, region_code)
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# 触发兜底判定
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actual_geo = FALLBACK_MAP.get(geo, geo)
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url = f"https://trends.google.com/trending/rss?geo={actual_geo}"
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# 随机抽取 User-Agent
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headers = {'User-Agent': random.choice(USER_AGENTS)}
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try:
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req = urllib.request.Request(url, headers=headers)
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with urllib.request.urlopen(req, timeout=10) as response:
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xml_data = response.read()
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root = ET.fromstring(xml_data)
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# 如果触发了兜底，准备提示信息
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fallback_msg = f" (兜底降级至 {actual_geo})" if actual_geo != geo else ""
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words = [re.sub(r'[\n\r\t]', ' ', item.find('title').text).strip()
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for item in root.findall('./channel/item')
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if item.find('title') is not None]
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return words, fallback_msg
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except Exception as e:
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print(f"⚠️ {region_code} 抓取异常: {e}")
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return [], ""
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def update_file(region, new_words, fallback_msg=""):
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"""滑动窗口更新，保留 200 条最热记录"""
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os.makedirs(DATA_DIR, exist_ok=True)
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file_path = os.path.join(DATA_DIR, f"kw_{region}.txt")
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old_words = []
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if os.path.exists(file_path):
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with open(file_path, 'r', encoding='utf-8') as f:
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old_words = [l.strip() for l in f if l.strip()]
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# 新词排在最前面，去重
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combined = new_words + [w for w in old_words if w not in new_words]
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final_list = combined[:200]
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with open(file_path, 'w', encoding='utf-8') as f:
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f.write('\n'.join(final_list) + '\n')
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print(f"✅ [同步完成] {region}: 注入 {len(new_words)} 条新热点{fallback_msg}")
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if __name__ == '__main__':
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regions = get_active_regions()
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if not regions:
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print("🛑 未发现活跃战区，请检查 map.json")
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exit(1)
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print("========== 启动 IP-Sentinel 动态热词抓取引擎 ==========")
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for r in regions:
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print(f"📡 正在拉取 {r} 战区情报...")
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words, fallback_msg = fetch_trends(r)
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if words:
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update_file(r, words, fallback_msg)
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# [核心修复 3: 流量削峰] 随机休眠 1.5 到 3.5 秒
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time.sleep(random.uniform(1.5, 3.5))
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print("========== 热词抓取引擎执行完毕 ==========") |