config.py 17 KB

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  1. # config.py - 药九九数据采集配置文件
  2. from datetime import datetime
  3. import pymysql
  4. from dotenv import load_dotenv
  5. import os
  6. import oss2
  7. from PIL import Image
  8. # 第一步:加载.env文件(必须放在配置读取前)
  9. # 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")
  10. # load_dotenv()
  11. # MySQL配置(和你原有MYSQL_CONFIG结构一致)
  12. MYSQL_CONFIG = {
  13. "host": "47.119.164.65", # 本地MySQL地址
  14. "port": 3306, # 端口
  15. "user": "test_c", # 你的MySQL用户名
  16. "password": "Dfwy@2025", # 你的MySQL密码
  17. "database": "test2", # 已建好的数据库名
  18. "charset": "utf8mb4" # 字符集(避免中文乱码)
  19. }
  20. # MYSQL_CONFIG = {
  21. # "host": os.getenv("MYSQL_HOST"), # 读取.env中的MYSQL_HOST
  22. # "user": os.getenv("MYSQL_USER"),
  23. # "password": os.getenv("MYSQL_PASSWORD"), # 敏感值从.env读取
  24. # "database": os.getenv("MYSQL_DATABASE"),
  25. # "port": int(os.getenv("MYSQL_PORT", 3306)), # 可选配置:设置默认值3306,避免.env缺失时报错
  26. # "charset": "utf8mb4"
  27. # }
  28. # ==================== 从数据库提取商品 ====================
  29. def get_search_keywords_from_db():
  30. """从数据库读取keywords字段,生成SEARCH_KEYWORDS列表"""
  31. keywords = []
  32. conn = None
  33. cursor = None
  34. try:
  35. # 校验MYSQL_CONFIG完整性
  36. required_configs = ['host', 'user', 'password', 'database']
  37. for cfg in required_configs:
  38. if cfg not in MYSQL_CONFIG:
  39. raise ValueError(f"MYSQL_CONFIG缺失必要配置:{cfg}")
  40. # 建立数据库连接
  41. conn = pymysql.connect(**MYSQL_CONFIG)
  42. cursor = conn.cursor()
  43. sql = 'SELECT scrape_name FROM yjj_scape_name_config WHERE status = 1'
  44. cursor.execute(sql)
  45. # 提取所有keywords字段值,生成列表
  46. results = cursor.fetchall()
  47. keywords = [row[0].strip() for row in results if row[0].strip()]
  48. print(f"成功从数据库读取 {len(keywords)} 个关键词(status=1)")
  49. except Exception as e:
  50. print(f"读取数据库关键词失败:{str(e)}")
  51. # 读取失败时,可返回空列表或备用列表(可选)
  52. keywords = []
  53. finally:
  54. print("读取到的关键词示例:")
  55. print(keywords[:5])
  56. # 关闭游标和连接(容错处理)
  57. if cursor:
  58. try:
  59. cursor.close()
  60. except:
  61. pass
  62. if conn:
  63. try:
  64. conn.close()
  65. except:
  66. pass
  67. return keywords
  68. # ==================== 1. 核心业务配置 ====================
  69. # 搜索关键词列表
  70. SEARCH_KEYWORDS = get_search_keywords_from_db()
  71. # get_search_keywords_from_db()
  72. # ['999 感冒灵颗粒']
  73. # MySQL表结构(确保和你建好的表一致,仅做校验用)
  74. # CREATE_TABLE_SQL = """
  75. # CREATE TABLE IF NOT EXISTS yjj_medicine_data (
  76. # id INT AUTO_INCREMENT PRIMARY KEY COMMENT '自增主键',
  77. # product_title VARCHAR(500) COMMENT '商品标题',
  78. # product_url VARCHAR(1000) COMMENT '商品详情页链接',
  79. # purchase_price DECIMAL(10,2) DEFAULT 0.00 COMMENT '采购价格',
  80. # discount_price DECIMAL(10,2) DEFAULT 0.00 COMMENT '折扣价格',
  81. # spec VARCHAR(200) DEFAULT '未知规格' COMMENT '规格',
  82. # box_count INT DEFAULT 1 COMMENT '盒数',
  83. # store_name VARCHAR(200) DEFAULT '未知店铺' COMMENT '店铺名称',
  84. # company_name VARCHAR(200) DEFAULT '未知公司' COMMENT '公司名称',
  85. # validity_date VARCHAR(100) DEFAULT '无有效期' COMMENT '有效日期',
  86. # production_date VARCHAR(100) DEFAULT '无生产日期' COMMENT '生产日期',
  87. # approval_number VARCHAR(100) DEFAULT '无批准文号' COMMENT '批准文号',
  88. # keyword VARCHAR(100) DEFAULT '无搜素关键词' COMMENT '搜素关键词',
  89. # collect_time DATETIME COMMENT '采集时间'
  90. # ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='药九九采集数据';
  91. # """
  92. # ==================== 2. 反爬配置 ====================
  93. # 随机延迟范围(模拟真人操作间隔)
  94. MIN_CLICK_DELAY = 1.5 # 点击间隔最小秒数
  95. MAX_CLICK_DELAY = 3.5 # 点击间隔最大秒数
  96. MIN_INPUT_DELAY = 0.1 # 打字每个字符的最小延迟
  97. MAX_INPUT_DELAY = 0.3 # 打字每个字符的最大延迟
  98. MIN_PAGE_DELAY = 2.0 # 页面加载后最小等待秒数
  99. MAX_PAGE_DELAY = 4.0 # 页面加载后最大等待秒数
  100. # 关键词间的反爬长延迟(比单个商品更长)
  101. MIN_KEYWORD_DELAY = 8.0
  102. MAX_KEYWORD_DELAY = 15.0
  103. # 滚动配置(固定1400px±50px)
  104. SCROLL_TARGET_DISTANCE = 400 # 目标滚动距离
  105. SCROLL_OFFSET_RANGE = 50 # 随机偏移范围
  106. SCROLL_STEP = 50 # 每次滚动步长(越小越慢,越像真人)
  107. SCROLL_INTERVAL = 0.05 # 步长间隔(秒)
  108. # ==================== 3. Cookie & 登录配置 ====================
  109. COOKIE_FILE_PATH = "yjj_cookies.json" # Cookie保存路径
  110. # 需要登录后访问的验证页面(用于检测Cookie是否有效)
  111. LOGIN_VALIDATE_URL = "https://www.yyjzt.com/login"
  112. # 账号密码
  113. USERNAME = "18971731507"
  114. PASSWORD = "Jzt000000"
  115. # USERNAME = "yjj112031"
  116. # PASSWORD = "123456"
  117. # 目标登录URL
  118. TARGET_LOGIN_URL = "https://www.yyjzt.com/"
  119. # "https://www.yyjzt.com/login?redirect=%2FgoodDetail%3FladderNum%26itemStoreId%3D124250306%26sourceProdetail%3D%252Fsearch%26is_store%3D0"
  120. # ==================== 4. 元素选择器配置 ====================
  121. # 基础选择器
  122. USERNAME_SELECTOR = "input[placeholder*=请输入手机号]"
  123. PASSWORD_SELECTOR = "input[placeholder*=请填写登录密码]"
  124. LOGIN_BTN_SELECTOR = "button:has(span:text('账号登录'))"
  125. SEARCH_INPUT_SELECTOR = "input[placeholder*='药名/店铺/品牌/厂家']"
  126. SEARCH_BTN_SELECTOR = ".el-button.ph-si-btn"
  127. # 采集元素选择器(根据页面实际调整!)
  128. PRODUCT_ITEM_SELECTOR = "div.sr-list-item[data-item_loc]" # 商品项容器
  129. PRODUCT_TITLE_SELECTOR = "span.gc-l3-name" # 商品标题
  130. PRODUCT_PRICE_SELECTOR = "span.gc-l2-price" # 商品价格(取第一个)
  131. PRODUCT_STORE_SELECTOR = 'span.gc-l7-shop-store-name' #店铺名称
  132. PRODUCT_COMPANY_SELECTOR = "div.gc-l4" # 公司名称
  133. PRODUCT_VALIDITY_SELECTOR = "span.el-tooltip" # 有效期
  134. # ==================== 5. 等待时间配置(毫秒) ====================
  135. ELEMENT_TIMEOUT = 10000
  136. LOGIN_AFTER_CLICK = 5000
  137. SEARCH_BTN_TIMEOUT = 5000
  138. COLLECT_DELAY = 3000
  139. DETAIL_LOAD_TIMEOUT = 5000 # 点击商品后等待详情加载的时间
  140. # ==================== 6. 浏览器配置 ====================
  141. BROWSER_HEADLESS = False
  142. BROWSER_CHANNEL = "chrome"
  143. SLOW_MO_MIN = 50
  144. SLOW_MO_MAX = 100
  145. # ==================== 7. CSV配置 ====================
  146. CSV_HEADERS = [
  147. "商品标题", "商品采购价格", "商品折扣价格", "规格", "盒数",
  148. "店铺名称", "公司名称",
  149. "有效日期", "生产日期", "批准文号", "采集时间"
  150. ] # 表头
  151. # 注:CSV_FILE_PATH 因包含动态时间戳,保留在主文件中定义
  152. #存放营业执照图片路径
  153. # cropped_screenshot_path =
  154. #百度OCR配置
  155. request_url_config = "https://aip.baidubce.com/rest/2.0/ocr/v1/business_license"
  156. AppKey_config = "tRK2RhyItCSh6BzyT4CNVXQa"
  157. AppSecret_config = "TDgKiPo94i2mOM1sDqOuDnlcK1bG66jh"
  158. token_url_config = 'https://aip.baidubce.com/oauth/2.0/token'
  159. # ---------------------- OSS 配置项 ----------------------
  160. OSS_ACCESS_KEY_ID = 'LTAI5tDwjfteBvivYN41r8sJ'
  161. OSS_ACCESS_KEY_SECRET = 'yowuOGi2nYYnrqGpO3qcz94C4brcPp'
  162. OSS_ENDPOINT = "oss-cn-shenzhen.aliyuncs.com"
  163. OSS_BUCKET_NAME = "zhijiayun-jiansuo"
  164. OSS_PREFIX = "scrape_data/"
  165. # 本地截图配置
  166. LOCAL_SCREENSHOT_DIR = "local_screenshots" # 本地截图保存目录
  167. LOCAL_SCREENSHOT_NAME = None # 自动生成文件名,无需手动指定
  168. LOCAL_CROPPED_DIR = "./local_cropped_screenshots" # 裁剪后图片保存目录
  169. # 图片压缩配置
  170. IMAGE_COMPRESS_ENABLE = True # 是否开启图片压缩(True=开启,False=关闭)
  171. 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)
  172. 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)
  173. # ---------------------- 工具函数 ----------------------
  174. def init_local_screenshot_dir():
  175. """
  176. 初始化本地截图目录(如果不存在则创建)
  177. """
  178. if not os.path.exists(LOCAL_SCREENSHOT_DIR):
  179. os.makedirs(LOCAL_SCREENSHOT_DIR)
  180. print(f"本地截图目录【{LOCAL_SCREENSHOT_DIR}】创建成功")
  181. else:
  182. print(f"本地截图目录【{LOCAL_SCREENSHOT_DIR}】已存在")
  183. def init_oss_bucket():
  184. """
  185. 初始化OSS Bucket对象,用于后续上传操作
  186. """
  187. try:
  188. # 创建认证对象
  189. auth = oss2.Auth(OSS_ACCESS_KEY_ID, OSS_ACCESS_KEY_SECRET)
  190. bucket = oss2.Bucket(auth, OSS_ENDPOINT, OSS_BUCKET_NAME)
  191. # 验证Bucket是否可访问(可选)
  192. bucket.get_bucket_info()
  193. print("OSS Bucket 初始化成功")
  194. return bucket
  195. except Exception as e:
  196. print(f"OSS Bucket 初始化失败:{str(e)}")
  197. raise
  198. def upload_local_screenshot_to_oss(bucket, local_file_path, oss_file_path=None):
  199. """
  200. 将截图内容上传到OSS
  201. :param bucket: 初始化好的OSS Bucket对象
  202. :param screenshot_content: 截图内容(字节流,或本地文件路径)
  203. :param oss_file_path: 上传到OSS后的文件路径(如screenshots/20260130_100000_target_page.jpg)
  204. :return: 上传后的OSS文件公网访问链接
  205. """
  206. # 1. 校验本地文件是否存在
  207. if not os.path.exists(local_file_path):
  208. raise FileNotFoundError(f"本地截图文件不存在:{local_file_path}")
  209. # 2. 生成默认的OSS文件路径(如果用户未指定)
  210. if not oss_file_path:
  211. # 提取本地文件名作为OSS文件名,保持一致性
  212. local_file_name = os.path.basename(local_file_path)
  213. oss_file_path = f"screenshots/{local_file_name}"
  214. try:
  215. # 3. 上传本地文件到OSS(核心修改:使用put_object_from_file)
  216. bucket.put_object_from_file(oss_file_path, local_file_path)
  217. # 4. 构造OSS文件的公网访问链接
  218. oss_file_url = f"https://{OSS_BUCKET_NAME}.{OSS_ENDPOINT}/{oss_file_path}"
  219. print(f"本地截图上传OSS成功,访问链接:{oss_file_url}")
  220. return oss_file_url
  221. except Exception as e:
  222. print(f"本地截图上传OSS失败:{str(e)}")
  223. raise
  224. # ---------------------- 补全/修改:裁剪函数(新增完整裁剪+删原图逻辑) ----------------------
  225. def crop_local_screenshot(local_file_path, cropped_file_path=None, crop_region=None):
  226. """
  227. 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)
  228. :param local_file_path: 原始本地截图文件路径
  229. :param cropped_file_path: 裁剪后图片的保存路径(可选)
  230. :param crop_region: 裁剪区域(元组,格式:(left, upper, right, lower)),可选
  231. :return: 裁剪后图片的本地路径
  232. """
  233. # 1. 校验原始文件是否存在
  234. if not os.path.exists(local_file_path):
  235. raise FileNotFoundError(f"原始截图文件不存在:{local_file_path}")
  236. # 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)
  237. os.makedirs(LOCAL_CROPPED_DIR, exist_ok=True)
  238. # 3. 新增:生成默认裁剪后文件路径(避免重名,带_cropped标识)
  239. if not cropped_file_path:
  240. file_name = os.path.basename(local_file_path)
  241. file_name_no_ext, file_ext = os.path.splitext(file_name)
  242. cropped_file_name = f"{file_name_no_ext}_cropped{file_ext}"
  243. cropped_file_path = os.path.join(LOCAL_CROPPED_DIR, cropped_file_name)
  244. with Image.open(local_file_path) as img:
  245. img_width, img_height = img.size
  246. print(f"获取截图尺寸:宽={img_width},高={img_height}") # 打印尺寸,方便排查
  247. if not crop_region:
  248. left = int(img_width * 0.1)
  249. upper = 0
  250. right = int(img_width * 0.9)
  251. lower = int(img_height * 0.3)
  252. crop_region = (left, upper, right, lower)
  253. print(f"未指定裁剪区域,默认裁剪中间30%区域:{crop_region}")
  254. # 4.2 新增:校验裁剪区域合法性(避免超出图片尺寸)
  255. c_left, c_upper, c_right, c_lower = crop_region
  256. if c_right > img_width or c_lower > img_height or c_left < 0 or c_upper < 0:
  257. 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}")
  258. # 4.3 执行裁剪并保存裁剪后的图片
  259. cropped_img = img.crop(crop_region)
  260. # 4.4 压缩并保存裁剪后的图片
  261. file_ext = os.path.splitext(cropped_file_path)[1].lower() # 获取文件后缀(小写,兼容JPG/Jpg等)
  262. try:
  263. if IMAGE_COMPRESS_ENABLE:
  264. # 区分图片格式,应用不同压缩策略
  265. if file_ext in ['.jpg', '.jpeg']:
  266. # JPG/JPEG格式:质量压缩(有损压缩,平衡画质和大小)
  267. cropped_img.save(
  268. cropped_file_path,
  269. format='JPEG', # 强制指定JPEG格式,确保压缩生效
  270. quality=IMAGE_COMPRESS_QUALITY, # 压缩质量(配置项中定义)
  271. optimize=True, # 开启优化,提升压缩效果(减小文件体积)
  272. progressive=True # 生成渐进式JPG,网页加载更友好(可选,不影响压缩效果)
  273. )
  274. print(f"JPG图片压缩保存成功,压缩质量:{IMAGE_COMPRESS_QUALITY},保存到:{cropped_file_path}")
  275. else:
  276. cropped_img.save(cropped_file_path, format='JPEG')
  277. print(f"未开启压缩,裁剪图片直接保存到:{cropped_file_path}")
  278. except Exception as e:
  279. # 压缩失败兜底:直接保存未压缩的JPG图片,不中断后续流程
  280. cropped_img.save(cropped_file_path, format='JPEG')
  281. print(f"JPG图片压缩失败,已直接保存未压缩版本:{str(e)}")
  282. # 5. 裁剪成功后,删除原始截图文件(带异常处理)
  283. try:
  284. if os.path.exists(cropped_file_path): # 确保裁剪文件生成成功,再删原图
  285. os.remove(local_file_path)
  286. print(f"原始截图文件已删除:{local_file_path}")
  287. else:
  288. print(f"裁剪文件未生成,暂不删除原始截图:{local_file_path}")
  289. except OSError as e:
  290. print(f"删除原始截图文件失败(文件可能被占用):{str(e)}")
  291. # 6. 返回裁剪+压缩后的文件路径
  292. return cropped_file_path
  293. def screenshot_target_page_to_local_then_oss(target_page, local_file_path=None, oss_file_path=None, full_page=True, crop_region=None):
  294. """
  295. 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)
  296. :param target_page: Playwright的Page对象(已加载目标页面)
  297. :param local_file_path: 本地截图文件的完整路径(可选)
  298. :param oss_file_path: OSS上的文件路径(可选)
  299. :param full_page: 是否截取全屏(True=全屏,False=当前可视区域)
  300. :param crop_region: 自定义裁剪区域(元组:(left, upper, right, lower)),可选
  301. :return: 裁剪后文件路径 + OSS文件访问链接
  302. """
  303. # 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)
  304. os.makedirs(LOCAL_SCREENSHOT_DIR, exist_ok=True)
  305. # 2. 生成默认的本地文件路径(如果用户未指定)
  306. if not local_file_path:
  307. current_time = datetime.now().strftime("%Y%m%d_%H%M%S")
  308. local_file_name = f"{current_time}_target_page.jpg"
  309. local_file_path = os.path.join(LOCAL_SCREENSHOT_DIR, local_file_name)
  310. # 3. 对target_page截图并保存到本地(核心修改:指定path参数)
  311. print(f"正在对target_page截图,将保存到:{local_file_path}")
  312. target_page.screenshot(
  313. path=local_file_path, # 保存到本地文件的核心参数
  314. full_page=full_page, # 是否全屏截图
  315. omit_background=False, # 是否忽略背景
  316. timeout=10000 # 截图超时时间
  317. )
  318. print(f"本地截图保存成功")
  319. # 4. 调用裁剪函数,处理原图(裁剪+删原图)
  320. cropped_file_path = crop_local_screenshot(
  321. local_file_path=local_file_path,
  322. crop_region=crop_region
  323. )
  324. # 5. 初始化OSS Bucket
  325. bucket = init_oss_bucket()
  326. # 6. 修改:上传裁剪后的图片,而非原始截图
  327. oss_file_url = upload_local_screenshot_to_oss(bucket, cropped_file_path, oss_file_path)
  328. # 6. 返回本地文件路径和OSS链接,方便后续使用
  329. return cropped_file_path, oss_file_url