142 lines
4.8 KiB
Python
142 lines
4.8 KiB
Python
# coding=utf-8
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import asyncio
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import logging
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import os
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import sys
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import time
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from Apps.TeLaiDian.Kit import take_screenshot, get_image_content_md5, clean_station_name, setup_logger
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from Apps.TeLaiDian.ReadImageKit import ReadImageKit
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from Apps.TeLaiDian.Service import TeLaiDianService
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from Apps.TeLaiDian.Config.Setting import (
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SCROLL_DISTANCE_RATIO, WAIT_AFTER_SCROLL, MAX_STATIONS_COUNT,
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SAFE_EXCLUDE_RATIO, BOTTOM_SAFE_EXCLUDE_RATIO, WAIT_DETAIL_PAGE_LOAD,
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WAIT_BACK_TO_LIST
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)
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from Core.BaseCrawler import BaseCrawler
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import uiautomator2 as u2
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# 项目根目录处理
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project_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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if project_root not in sys.path:
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sys.path.append(project_root)
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# 初始化日志
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logger = setup_logger("TeLaiDianCrawler")
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class TeLaiDianCrawler(BaseCrawler):
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def __init__(self, service=None):
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super().__init__(service or TeLaiDianService())
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self.read_image_kit = ReadImageKit()
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async def start(self):
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"""
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实现 BaseCrawler 的启动入口
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"""
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success = await self.open_app()
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if not success:
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logger.error("打开特来电小程序失败。")
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return
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d = u2.connect()
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await self.crawl_list_logic(d)
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async def open_app(self):
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"""
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打开特来电小程序
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"""
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from Apps.TeLaiDian import Opener
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return await Opener.open_mini_program()
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async def crawl_list_logic(self, d):
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processed_count = 0
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last_md5 = None
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while processed_count < MAX_STATIONS_COUNT:
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# 1. 截图并分析
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screenshot_path = take_screenshot(d, f"tld_list_{int(time.time())}.jpg")
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# 检测是否滚动到底部
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curr_md5 = get_image_content_md5(screenshot_path, top_ratio=SAFE_EXCLUDE_RATIO, bottom_ratio=BOTTOM_SAFE_EXCLUDE_RATIO)
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if last_md5 == curr_md5:
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logger.info("内容无变化，判定已到底部")
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if os.path.exists(screenshot_path): os.remove(screenshot_path)
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break
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last_md5 = curr_md5
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stations = await self.read_image_kit.analyze_station_list(screenshot_path)
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if not stations:
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logger.info("本页未检测到场站，尝试滑动...")
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d.swipe_ext("up", scale=SCROLL_DISTANCE_RATIO)
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await asyncio.sleep(WAIT_AFTER_SCROLL)
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continue
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for station in stations:
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if processed_count >= MAX_STATIONS_COUNT:
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break
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name = station.get("name")
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point = station.get("point")
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if not name or not point:
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continue
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logger.info(f"处理场站: {name}")
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# 点击进入详情
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d.click(point[0], point[1])
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await asyncio.sleep(WAIT_DETAIL_PAGE_LOAD)
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# 爬取详情
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await self.crawl_detail_logic(d, station)
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# 返回列表
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d.press("back")
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await asyncio.sleep(WAIT_BACK_TO_LIST)
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processed_count += 1
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# 滑动到下一页
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d.swipe_ext("up", scale=SCROLL_DISTANCE_RATIO)
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await asyncio.sleep(WAIT_AFTER_SCROLL)
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if os.path.exists(screenshot_path): os.remove(screenshot_path)
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async def crawl_detail_logic(self, d, station_info):
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"""
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在详情页提取价格和状态信息
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"""
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screenshot_path = take_screenshot(d, f"tld_detail_{int(time.time())}.jpg")
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# 1. 提取价格
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prices = await self.read_image_kit.analyze_detail_price(screenshot_path)
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# 2. 保存数据
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if prices:
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station_name = clean_station_name(station_info.get("name"))
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address = station_info.get("address")
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logger.info(f"场站 {station_name} 提取到 {len(prices)} 条价格信息，准备保存...")
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await self.service.save_station_data(station_name, address, prices)
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if os.path.exists(screenshot_path): os.remove(screenshot_path)
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async def crawl_list(self):
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"""
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实现 BaseCrawler 的抽象方法
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"""
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d = u2.connect()
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await self.crawl_list_logic(d)
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async def crawl_detail(self, station_info):
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"""
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实现 BaseCrawler 的抽象方法
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"""
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# 逻辑已在 crawl_list_logic 中通过 crawl_detail_logic 调用
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pass
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async def main(service=None):
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crawler = TeLaiDianCrawler(service=service)
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await crawler.start()
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if __name__ == "__main__":
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asyncio.run(main())
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