config.py 16 KB

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  1. # config.py - 药九九数据采集配置文件
  2. import random
  3. from datetime import datetime
  4. import pymysql
  5. from dotenv import load_dotenv
  6. import os
  7. import oss2
  8. from PIL import Image
  9. # 第一步:加载.env文件(必须放在配置读取前)
  10. # load_dotenv() 默认读取当前目录的.env文件;若.env在其他路径,可指定:load_dotenv("/path/to/.env")
  11. # load_dotenv()
  12. # MySQL配置(和你原有MYSQL_CONFIG结构一致)
  13. MYSQL_CONFIG = {
  14. "host": "120.25.48.236", # 本地MySQL地址
  15. "port": 3306, # 端口
  16. "user": "drug_retrieve", # 你的MySQL用户名
  17. "password": "ksCt3xm6chzdkafj", # 你的MySQL密码
  18. "database": "drug_retrieve", # 已建好的数据库名
  19. "charset": "utf8mb4" # 字符集(避免中文乱码)
  20. }
  21. # ==================== 从数据库提取商品 ====================
  22. def get_search_keywords_from_db():
  23. """从数据库读取keywords字段,生成SEARCH_KEYWORDS列表"""
  24. keywords = []
  25. conn = None
  26. cursor = None
  27. try:
  28. # 校验MYSQL_CONFIG完整性
  29. required_configs = ['host', 'user', 'password', 'database']
  30. for cfg in required_configs:
  31. if cfg not in MYSQL_CONFIG:
  32. raise ValueError(f"MYSQL_CONFIG缺失必要配置:{cfg}")
  33. # 建立数据库连接
  34. conn = pymysql.connect(**MYSQL_CONFIG)
  35. cursor = conn.cursor(pymysql.cursors.DictCursor)
  36. sql = 'SELECT id, collect_equipment_id, product_name, start_page, end_page, duration, product_specs, product_brand,`collect_task_id`, company_id,`sampling_cycle`,`sampling_start_time`,`sampling_end_time`,`collect_equipment_account_id`,`collect_region_id`,`collect_equipment_id`,`collect_round` FROM retrieve_collect_task_allocate WHERE status = 1 AND platform = 7'
  37. cursor.execute(sql)
  38. # 提取所有keywords字段值,生成列表
  39. results = cursor.fetchall()
  40. print(f"成功从数据库读列表 {results} ")
  41. print(f"成功从数据库读取 {len(results)} 个关键词(status=1)")
  42. except Exception as e:
  43. print(f"读取数据库关键词失败:{str(e)}")
  44. # 读取失败时,可返回空列表或备用列表(可选)
  45. results = []
  46. finally:
  47. print("读取到的关键词示例:")
  48. # 关闭游标和连接(容错处理)
  49. if cursor:
  50. try:
  51. cursor.close()
  52. except:
  53. pass
  54. if conn:
  55. try:
  56. conn.close()
  57. except:
  58. pass
  59. return results
  60. # ==================== 1. 核心业务配置 ====================
  61. # 搜索关键词列表
  62. SEARCH_KEYWORDS = get_search_keywords_from_db()
  63. # ==================== 2. 反爬配置 ====================
  64. # 随机延迟范围(模拟真人操作间隔)
  65. MIN_CLICK_DELAY = 1.5 # 点击间隔最小秒数
  66. MAX_CLICK_DELAY = 3.5 # 点击间隔最大秒数
  67. MIN_INPUT_DELAY = 0.1 # 打字每个字符的最小延迟
  68. MAX_INPUT_DELAY = 0.3 # 打字每个字符的最大延迟
  69. MIN_PAGE_DELAY = 2.0 # 页面加载后最小等待秒数
  70. MAX_PAGE_DELAY = 4.0 # 页面加载后最大等待秒数
  71. # 关键词间的反爬长延迟(比单个商品更长)
  72. MIN_KEYWORD_DELAY = 8.0
  73. MAX_KEYWORD_DELAY = 15.0
  74. # 滚动配置(固定1400px±50px)
  75. SCROLL_TARGET_DISTANCE = 400 # 目标滚动距离
  76. SCROLL_OFFSET_RANGE = 50 # 随机偏移范围
  77. SCROLL_STEP = 50 # 每次滚动步长(越小越慢,越像真人)
  78. SCROLL_INTERVAL = 0.05 # 步长间隔(秒)
  79. # ==================== 3. Cookie & 登录配置 ====================
  80. COOKIE_FILE_PATH = "yjj_cookies.json" # Cookie保存路径
  81. # 需要登录后访问的验证页面(用于检测Cookie是否有效)
  82. LOGIN_VALIDATE_URL = "https://www.yyjzt.com/login"
  83. # 账号密码
  84. YJJ_ACCOUNT = {
  85. "YJJ1": {
  86. "USERNAME": "18971731507",
  87. "PASSWORD": "Jzt000000",
  88. "used": 0
  89. },
  90. "YJJ2": {
  91. "USERNAME": "user002",
  92. "PASSWORD": "pass456",
  93. "used": 1
  94. },
  95. "YJJ3": {
  96. "USERNAME": "user003",
  97. "PASSWORD": "pass789",
  98. "used": 0
  99. }
  100. }
  101. # 目标登录URL
  102. TARGET_LOGIN_URL = "https://www.yyjzt.com/"
  103. # "https://www.yyjzt.com/login?redirect=%2FgoodDetail%3FladderNum%26itemStoreId%3D124250306%26sourceProdetail%3D%252Fsearch%26is_store%3D0"
  104. # ==================== 4. 元素选择器配置 ====================
  105. # 基础选择器
  106. USERNAME_SELECTOR = "input[placeholder*=请输入手机号]"
  107. PASSWORD_SELECTOR = "input[placeholder*=请填写登录密码]"
  108. LOGIN_BTN_SELECTOR = "button:has(span:text('账号登录'))"
  109. SEARCH_INPUT_SELECTOR = '//*div[@class="ph-si-el_input el-input"]'
  110. SEARCH_BTN_SELECTOR = ".el-button.ph-si-btn"
  111. # 采集元素选择器(根据页面实际调整!)
  112. PRODUCT_ITEM_SELECTOR = "div.sr-list-item[data-item_loc]" # 商品项容器
  113. PRODUCT_TITLE_SELECTOR = "span.gc-l3-name" # 商品标题
  114. PRODUCT_PRICE_SELECTOR = "span.gc-l2-price" # 商品价格(取第一个)
  115. PRODUCT_STORE_SELECTOR = 'span.gc-l7-shop-store-name' #店铺名称
  116. PRODUCT_COMPANY_SELECTOR = "div.gc-l4" # 公司名称
  117. PRODUCT_VALIDITY_SELECTOR = "span.el-tooltip" # 有效期
  118. # ==================== 5. 等待时间配置(毫秒) ====================
  119. ELEMENT_TIMEOUT = 50000
  120. LOGIN_AFTER_CLICK = 5000
  121. SEARCH_BTN_TIMEOUT = 5000
  122. COLLECT_DELAY = 3000
  123. DETAIL_LOAD_TIMEOUT = 5000 # 点击商品后等待详情加载的时间
  124. # ==================== 6. 浏览器配置 ====================
  125. BROWSER_HEADLESS = False
  126. BROWSER_CHANNEL = "chrome"
  127. SLOW_MO_MIN = 50
  128. SLOW_MO_MAX = 100
  129. # ==================== 7. CSV配置 ====================
  130. CSV_HEADERS = [
  131. "商品标题", "商品采购价格", "商品折扣价格", "规格", "盒数",
  132. "店铺名称", "公司名称",
  133. "有效日期", "生产日期", "批准文号", "采集时间"
  134. ] # 表头
  135. # 注:CSV_FILE_PATH 因包含动态时间戳,保留在主文件中定义
  136. #存放营业执照图片路径
  137. # cropped_screenshot_path =
  138. #百度OCR配置
  139. request_url_config = "https://aip.baidubce.com/rest/2.0/ocr/v1/business_license"
  140. AppKey_config = "tRK2RhyItCSh6BzyT4CNVXQa"
  141. AppSecret_config = "TDgKiPo94i2mOM1sDqOuDnlcK1bG66jh"
  142. token_url_config = 'https://aip.baidubce.com/oauth/2.0/token'
  143. # ---------------------- OSS 配置项 ----------------------
  144. OSS_ACCESS_KEY_ID = 'LTAI5tDwjfteBvivYN41r8sJ'
  145. OSS_ACCESS_KEY_SECRET = 'yowuOGi2nYYnrqGpO3qcz94C4brcPp'
  146. OSS_ENDPOINT = "oss-cn-shenzhen.aliyuncs.com"
  147. OSS_BUCKET_NAME = "zhijiayun-jiansuo"
  148. OSS_PREFIX = "scrape_data/"
  149. # 本地截图配置
  150. LOCAL_SCREENSHOT_DIR = "local_screenshots" # 本地截图保存目录
  151. LOCAL_SCREENSHOT_NAME = None # 自动生成文件名,无需手动指定
  152. LOCAL_CROPPED_DIR = "./local_cropped_screenshots" # 裁剪后图片保存目录
  153. # 图片压缩配置
  154. IMAGE_COMPRESS_ENABLE = True # 是否开启图片压缩(True=开启,False=关闭)
  155. IMAGE_COMPRESS_QUALITY = 30 # jpg/jpeg格式压缩质量(1-95,数值越大画质越好,文件越大,推荐80-90)
  156. IMAGE_COMPRESS_PNG_LEVEL = 9 # png格式压缩级别(0-9,数值越大压缩率越高,速度越慢,推荐5-7)
  157. # ---------------------- 工具函数 ----------------------
  158. def init_local_screenshot_dir():
  159. """
  160. 初始化本地截图目录(如果不存在则创建)
  161. """
  162. if not os.path.exists(LOCAL_SCREENSHOT_DIR):
  163. os.makedirs(LOCAL_SCREENSHOT_DIR)
  164. print(f"本地截图目录【{LOCAL_SCREENSHOT_DIR}】创建成功")
  165. else:
  166. print(f"本地截图目录【{LOCAL_SCREENSHOT_DIR}】已存在")
  167. def init_oss_bucket():
  168. """
  169. 初始化OSS Bucket对象,用于后续上传操作
  170. """
  171. try:
  172. # 创建认证对象
  173. auth = oss2.Auth(OSS_ACCESS_KEY_ID, OSS_ACCESS_KEY_SECRET)
  174. bucket = oss2.Bucket(auth, OSS_ENDPOINT, OSS_BUCKET_NAME)
  175. # 验证Bucket是否可访问(可选)
  176. bucket.get_bucket_info()
  177. print("OSS Bucket 初始化成功")
  178. return bucket
  179. except Exception as e:
  180. print(f"OSS Bucket 初始化失败:{str(e)}")
  181. raise
  182. def upload_local_screenshot_to_oss(bucket, local_file_path, oss_file_path=None):
  183. """
  184. 将截图内容上传到OSS
  185. :param bucket: 初始化好的OSS Bucket对象
  186. :param screenshot_content: 截图内容(字节流,或本地文件路径)
  187. :param oss_file_path: 上传到OSS后的文件路径(如screenshots/20260130_100000_target_page.jpg)
  188. :return: 上传后的OSS文件公网访问链接
  189. """
  190. # 1. 校验本地文件是否存在
  191. if not os.path.exists(local_file_path):
  192. raise FileNotFoundError(f"本地截图文件不存在:{local_file_path}")
  193. # 2. 生成默认的OSS文件路径(如果用户未指定)
  194. if not oss_file_path:
  195. # 提取本地文件名作为OSS文件名,保持一致性
  196. local_file_name = os.path.basename(local_file_path)
  197. oss_file_path = f"screenshots/{local_file_name}"
  198. try:
  199. # 3. 上传本地文件到OSS(核心修改:使用put_object_from_file)
  200. bucket.put_object_from_file(oss_file_path, local_file_path)
  201. # 4. 构造OSS文件的公网访问链接
  202. oss_file_url = f"https://{OSS_BUCKET_NAME}.{OSS_ENDPOINT}/{oss_file_path}"
  203. print(f"本地截图上传OSS成功,访问链接:{oss_file_url}")
  204. return oss_file_url
  205. except Exception as e:
  206. print(f"本地截图上传OSS失败:{str(e)}")
  207. raise
  208. # ---------------------- 补全/修改:裁剪函数(新增完整裁剪+删原图逻辑) ----------------------
  209. def crop_local_screenshot(local_file_path, cropped_file_path=None, crop_region=None):
  210. """
  211. 裁剪本地截图文件(完整实现:裁剪后图片压缩,裁剪+保存裁剪文件+删除原图)
  212. :param local_file_path: 原始本地截图文件路径
  213. :param cropped_file_path: 裁剪后图片的保存路径(可选)
  214. :param crop_region: 裁剪区域(元组,格式:(left, upper, right, lower)),可选
  215. :return: 裁剪后图片的本地路径
  216. """
  217. # 1. 校验原始文件是否存在
  218. if not os.path.exists(local_file_path):
  219. raise FileNotFoundError(f"原始截图文件不存在:{local_file_path}")
  220. # 2. 初始化裁剪后文件目录(自动创建)(你的原有逻辑,保持不变)
  221. os.makedirs(LOCAL_CROPPED_DIR, exist_ok=True)
  222. # 3. 新增:生成默认裁剪后文件路径(避免重名,带_cropped标识)
  223. if not cropped_file_path:
  224. file_name = os.path.basename(local_file_path)
  225. file_name_no_ext, file_ext = os.path.splitext(file_name)
  226. cropped_file_name = f"{file_name_no_ext}_cropped{file_ext}"
  227. cropped_file_path = os.path.join(LOCAL_CROPPED_DIR, cropped_file_name)
  228. with Image.open(local_file_path) as img:
  229. img_width, img_height = img.size
  230. print(f"获取截图尺寸:宽={img_width},高={img_height}") # 打印尺寸,方便排查
  231. if not crop_region:
  232. left = int(img_width * 0.1)
  233. upper = 0
  234. right = int(img_width * 0.9)
  235. lower = int(img_height * 0.3)
  236. crop_region = (left, upper, right, lower)
  237. print(f"未指定裁剪区域,默认裁剪中间30%区域:{crop_region}")
  238. # 4.2 新增:校验裁剪区域合法性(避免超出图片尺寸)
  239. c_left, c_upper, c_right, c_lower = crop_region
  240. if c_right > img_width or c_lower > img_height or c_left < 0 or c_upper < 0:
  241. raise ValueError(f"裁剪区域超出图片尺寸!图片尺寸:({img_width}, {img_height}),裁剪区域:{crop_region}")
  242. # 4.3 执行裁剪并保存裁剪后的图片
  243. cropped_img = img.crop(crop_region)
  244. # 4.4 压缩并保存裁剪后的图片
  245. file_ext = os.path.splitext(cropped_file_path)[1].lower() # 获取文件后缀(小写,兼容JPG/Jpg等)
  246. try:
  247. if IMAGE_COMPRESS_ENABLE:
  248. # 区分图片格式,应用不同压缩策略
  249. if file_ext in ['.jpg', '.jpeg']:
  250. # JPG/JPEG格式:质量压缩(有损压缩,平衡画质和大小)
  251. cropped_img.save(
  252. cropped_file_path,
  253. format='JPEG', # 强制指定JPEG格式,确保压缩生效
  254. quality=IMAGE_COMPRESS_QUALITY, # 压缩质量(配置项中定义)
  255. optimize=True, # 开启优化,提升压缩效果(减小文件体积)
  256. progressive=True # 生成渐进式JPG,网页加载更友好(可选,不影响压缩效果)
  257. )
  258. print(f"JPG图片压缩保存成功,压缩质量:{IMAGE_COMPRESS_QUALITY},保存到:{cropped_file_path}")
  259. else:
  260. cropped_img.save(cropped_file_path, format='JPEG')
  261. print(f"未开启压缩,裁剪图片直接保存到:{cropped_file_path}")
  262. except Exception as e:
  263. # 压缩失败兜底:直接保存未压缩的JPG图片,不中断后续流程
  264. cropped_img.save(cropped_file_path, format='JPEG')
  265. print(f"JPG图片压缩失败,已直接保存未压缩版本:{str(e)}")
  266. # 5. 裁剪成功后,删除原始截图文件(带异常处理)
  267. try:
  268. if os.path.exists(cropped_file_path): # 确保裁剪文件生成成功,再删原图
  269. os.remove(local_file_path)
  270. print(f"原始截图文件已删除:{local_file_path}")
  271. else:
  272. print(f"裁剪文件未生成,暂不删除原始截图:{local_file_path}")
  273. except OSError as e:
  274. print(f"删除原始截图文件失败(文件可能被占用):{str(e)}")
  275. # 6. 返回裁剪+压缩后的文件路径
  276. return cropped_file_path
  277. def screenshot_target_page_to_local_then_oss(target_page, local_file_path=None, oss_file_path=None, full_page=True, crop_region=None,username=None):
  278. """
  279. 对target_page截图保存到本地→裁剪图片(删原图)→上传裁剪后的图片到OSS(修改后整合版)
  280. :param target_page: Playwright的Page对象(已加载目标页面)
  281. :param local_file_path: 本地截图文件的完整路径(可选)
  282. :param oss_file_path: OSS上的文件路径(可选)
  283. :param full_page: 是否截取全屏(True=全屏,False=当前可视区域)
  284. :param crop_region: 自定义裁剪区域(元组:(left, upper, right, lower)),可选
  285. :return: 裁剪后文件路径 + OSS文件访问链接
  286. """
  287. # 1. 初始化本地截图目录(不存在则创建,避免保存文件时报错)
  288. os.makedirs(LOCAL_SCREENSHOT_DIR, exist_ok=True)
  289. # 2. 生成默认的本地文件路径(如果用户未指定)
  290. if not local_file_path:
  291. current_time = datetime.now().strftime("%Y%m%d_%H%M%S") + '_YJJ_' + str(random.random()).replace('.', '_')
  292. local_file_name = f"{current_time}_target_page.jpg"
  293. local_file_path = os.path.join(LOCAL_SCREENSHOT_DIR, local_file_name)
  294. # 3. 对target_page截图并保存到本地(核心修改:指定path参数)
  295. print(f"正在对target_page截图,将保存到:{local_file_path}")
  296. target_page.screenshot(
  297. path=local_file_path, # 保存到本地文件的核心参数
  298. full_page=full_page, # 是否全屏截图
  299. omit_background=False, # 是否忽略背景
  300. timeout=10000 # 截图超时时间
  301. )
  302. print(f"本地截图保存成功")
  303. # 4. 调用裁剪函数,处理原图(裁剪+删原图)
  304. cropped_file_path = crop_local_screenshot(
  305. local_file_path=local_file_path,
  306. crop_region=crop_region
  307. )
  308. # 5. 初始化OSS Bucket
  309. bucket = init_oss_bucket()
  310. # 6. 修改:上传裁剪后的图片,而非原始截图
  311. oss_file_url = upload_local_screenshot_to_oss(bucket, cropped_file_path, oss_file_path)
  312. # 6. 返回本地文件路径和OSS链接,方便后续使用
  313. return cropped_file_path, oss_file_url