This commit is contained in:
HuangHai
2026-01-14 10:08:11 +08:00
parent ee91bf76d2
commit 46a53d6781
3 changed files with 101 additions and 16 deletions

View File

@@ -156,7 +156,13 @@ class TeLaiDianCrawler(BaseCrawler):
logger.warning("模板匹配也失败,执行坐标兜底...")
w, h = d.window_size()
d.click(w // 2, int(h * 0.45)) # 滑动后价格通常在屏幕中上部
await asyncio.sleep(WAIT_DETAIL_PAGE_LOAD)
await asyncio.sleep(2.0) # 等待页面加载及小程序可能的自动滚动
# 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
logger.info("向上滚动 2 次,确保回到 00:00 时段顶部...")
for _ in range(2):
d.swipe_ext("down", scale=0.9) # 向下滑动 = 页面向上滚动
await asyncio.sleep(0.8)
except Exception as e:
logger.error(f"点击价格区域失败: {e}")
finally:
@@ -167,11 +173,13 @@ class TeLaiDianCrawler(BaseCrawler):
last_price_md5 = None
price_page_count = 0
max_price_pages = 3 # 分时电价通常不会超过3页
screenshot_tasks = [] # 用于异步分析图片的任务列表
temp_screenshots = [] # 记录临时文件以便后续清理
logger.info("开始循环滑动抓取完整分时电价...")
logger.info("开始循环截图并异步抓取完整分时电价...")
while price_page_count < max_price_pages:
price_screen_path = take_screenshot(d, f"tld_detail_price_{int(time.time())}.jpg")
price_screen_path = take_screenshot(d, f"tld_detail_price_{int(time.time())}_{price_page_count}.jpg")
# 校验页面是否发生滚动变化
curr_md5 = get_image_content_md5(price_screen_path, top_ratio=0.2, bottom_ratio=0.2)
@@ -180,23 +188,47 @@ class TeLaiDianCrawler(BaseCrawler):
if os.path.exists(price_screen_path): os.remove(price_screen_path)
break
last_price_md5 = curr_md5
temp_screenshots.append(price_screen_path)
logger.info(f"正在分析价格详情页第 {price_page_count + 1} 页: {price_screen_path}")
page_prices = await self.read_image_kit.analyze_detail_price(price_screen_path)
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")
# 创建异步任务,但不立即 await
task = self.read_image_kit.analyze_detail_price(price_screen_path)
screenshot_tasks.append(task)
if page_prices:
# 简单去重:根据时段合并
for p in page_prices:
if p not in all_prices:
all_prices.append(p)
# 向上滑动一点点,继续抓取
d.swipe_ext("up", scale=0.6)
await asyncio.sleep(1.5)
# 向上滑动,继续抓取下一屏
logger.info("向上滑动,准备截取下一屏价格...")
d.swipe_ext("up", scale=0.8)
await asyncio.sleep(1.2)
price_page_count += 1
# 清理临时截图
if os.path.exists(price_screen_path): os.remove(price_screen_path)
# 异步等待所有图片识别任务完成
if screenshot_tasks:
logger.info(f"正在异步分析 {len(screenshot_tasks)} 张价格截图...")
results = await asyncio.gather(*screenshot_tasks)
for page_prices in results:
if page_prices:
# 深度去重:根据时段 (start, end) 合并
for p in page_prices:
is_duplicate = False
for existing in all_prices:
if p.get('start') == existing.get('start') and p.get('end') == existing.get('end'):
is_duplicate = True
# 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)
for key in ['price', 'plus_price', 'market_price', 'elec_price', 'service_price']:
if p.get(key) is not None and existing.get(key) is None:
existing[key] = p[key]
break
if not is_duplicate:
all_prices.append(p)
# 清理所有临时截图
for path in temp_screenshots:
if os.path.exists(path):
try:
os.remove(path)
except:
pass
# 5. 保存数据
if all_prices:

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@@ -0,0 +1,53 @@
import asyncio
import sys
import os
# 将项目根目录添加到 python 路径
project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.append(project_root)
from Config.Config import DB_URL
from DbKit.Db import Db
from sqlalchemy import text
import logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
async def update_schema():
"""
为 t_station_status_scd 表添加 market_price 字段
"""
db = Db(db_url=DB_URL)
await db.init_db()
# 检查字段是否已存在
check_sql = "SHOW COLUMNS FROM t_station_status_scd LIKE 'market_price';"
# 添加字段的 SQL
alter_sql = "ALTER TABLE t_station_status_scd ADD COLUMN market_price DECIMAL(10, 4) COMMENT '挂牌价快照' AFTER pro_price;"
async with await db.get_session() as session:
try:
result = await session.execute(text(check_sql))
column_exists = result.fetchone() is not None
if not column_exists:
logger.info("正在为 t_station_status_scd 添加 market_price 字段...")
await session.execute(text(alter_sql))
await session.commit()
logger.info("字段 market_price 添加成功。")
else:
logger.info("字段 market_price 已存在,跳过。")
except Exception as e:
logger.error(f"执行 ALTER TABLE 时出错: {e}")
await session.rollback()
finally:
await session.close()
await db.engine.dispose()
if __name__ == "__main__":
asyncio.run(update_schema())