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@@ -156,7 +156,13 @@ class TeLaiDianCrawler(BaseCrawler):
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logger.warning("模板匹配也失败,执行坐标兜底...")
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w, h = d.window_size()
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d.click(w // 2, int(h * 0.45)) # 滑动后价格通常在屏幕中上部
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await asyncio.sleep(WAIT_DETAIL_PAGE_LOAD)
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await asyncio.sleep(2.0) # 等待页面加载及小程序可能的自动滚动
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# 额外处理:小程序可能会自动滚动到当前时段,我们需要手动滚回顶部以抓取完整数据
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logger.info("向上滚动 2 次,确保回到 00:00 时段顶部...")
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for _ in range(2):
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d.swipe_ext("down", scale=0.9) # 向下滑动 = 页面向上滚动
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await asyncio.sleep(0.8)
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except Exception as e:
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logger.error(f"点击价格区域失败: {e}")
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finally:
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@@ -167,11 +173,13 @@ class TeLaiDianCrawler(BaseCrawler):
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last_price_md5 = None
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price_page_count = 0
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max_price_pages = 3 # 分时电价通常不会超过3页
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screenshot_tasks = [] # 用于异步分析图片的任务列表
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temp_screenshots = [] # 记录临时文件以便后续清理
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logger.info("开始循环滑动抓取完整分时电价...")
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logger.info("开始循环截图并异步抓取完整分时电价...")
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while price_page_count < max_price_pages:
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price_screen_path = take_screenshot(d, f"tld_detail_price_{int(time.time())}.jpg")
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price_screen_path = take_screenshot(d, f"tld_detail_price_{int(time.time())}_{price_page_count}.jpg")
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# 校验页面是否发生滚动变化
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curr_md5 = get_image_content_md5(price_screen_path, top_ratio=0.2, bottom_ratio=0.2)
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@@ -180,23 +188,47 @@ class TeLaiDianCrawler(BaseCrawler):
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if os.path.exists(price_screen_path): os.remove(price_screen_path)
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break
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last_price_md5 = curr_md5
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temp_screenshots.append(price_screen_path)
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logger.info(f"正在分析价格详情页第 {price_page_count + 1} 页: {price_screen_path}")
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page_prices = await self.read_image_kit.analyze_detail_price(price_screen_path)
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logger.info(f"已截取价格详情页第 {price_page_count + 1} 页: {price_screen_path},加入异步分析队列")
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# 创建异步任务,但不立即 await
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task = self.read_image_kit.analyze_detail_price(price_screen_path)
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screenshot_tasks.append(task)
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if page_prices:
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# 简单去重:根据时段合并
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for p in page_prices:
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if p not in all_prices:
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all_prices.append(p)
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# 向上滑动一点点,继续抓取
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d.swipe_ext("up", scale=0.6)
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await asyncio.sleep(1.5)
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# 向上滑动,继续抓取下一屏
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logger.info("向上滑动,准备截取下一屏价格...")
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d.swipe_ext("up", scale=0.8)
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await asyncio.sleep(1.2)
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price_page_count += 1
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# 清理临时截图
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if os.path.exists(price_screen_path): os.remove(price_screen_path)
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# 异步等待所有图片识别任务完成
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if screenshot_tasks:
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logger.info(f"正在异步分析 {len(screenshot_tasks)} 张价格截图...")
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results = await asyncio.gather(*screenshot_tasks)
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for page_prices in results:
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if page_prices:
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# 深度去重:根据时段 (start, end) 合并
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for p in page_prices:
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is_duplicate = False
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for existing in all_prices:
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if p.get('start') == existing.get('start') and p.get('end') == existing.get('end'):
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is_duplicate = True
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# 如果已有条目信息不全,则更新它(比如之前没识别出 PLUS 价格)
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for key in ['price', 'plus_price', 'market_price', 'elec_price', 'service_price']:
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if p.get(key) is not None and existing.get(key) is None:
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existing[key] = p[key]
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break
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if not is_duplicate:
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all_prices.append(p)
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# 清理所有临时截图
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for path in temp_screenshots:
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if os.path.exists(path):
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try:
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os.remove(path)
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except:
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pass
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# 5. 保存数据
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if all_prices:
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Binary file not shown.
53
Tools/UpdateMarketPrice.py
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53
Tools/UpdateMarketPrice.py
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@@ -0,0 +1,53 @@
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import asyncio
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import sys
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import os
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# 将项目根目录添加到 python 路径
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project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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sys.path.append(project_root)
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from Config.Config import DB_URL
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from DbKit.Db import Db
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from sqlalchemy import text
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import logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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async def update_schema():
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"""
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为 t_station_status_scd 表添加 market_price 字段
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"""
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db = Db(db_url=DB_URL)
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await db.init_db()
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# 检查字段是否已存在
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check_sql = "SHOW COLUMNS FROM t_station_status_scd LIKE 'market_price';"
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# 添加字段的 SQL
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alter_sql = "ALTER TABLE t_station_status_scd ADD COLUMN market_price DECIMAL(10, 4) COMMENT '挂牌价快照' AFTER pro_price;"
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async with await db.get_session() as session:
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try:
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result = await session.execute(text(check_sql))
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column_exists = result.fetchone() is not None
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if not column_exists:
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logger.info("正在为 t_station_status_scd 添加 market_price 字段...")
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await session.execute(text(alter_sql))
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await session.commit()
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logger.info("字段 market_price 添加成功。")
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else:
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logger.info("字段 market_price 已存在,跳过。")
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except Exception as e:
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logger.error(f"执行 ALTER TABLE 时出错: {e}")
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await session.rollback()
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finally:
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await session.close()
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await db.engine.dispose()
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if __name__ == "__main__":
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asyncio.run(update_schema())
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