import re import sys import os import time sys.path.append(os.getcwd()) from application.common import MysqlHelper, AliyunLogger class PiaoQuanPipeline(object): """ 爬虫管道——爬虫规则判断 """ def __init__(self, platform, mode, rule_dict, env, item, trace_id, account=None): self.platform = platform self.mode = mode self.item = item self.rule_dict = rule_dict self.env = env self.trace_id = trace_id self.mysql = MysqlHelper(env=env, mode=mode, platform=platform) self.aliyun_log = AliyunLogger(platform=platform, mode=mode, env=env) self.account = account def publish_time_flag(self): """ 判断发布时间是否过期 :return: True or False """ # 判断发布时间 publish_time_stamp = self.item["publish_time_stamp"] update_time_stamp = self.item["update_time_stamp"] max_d = self.rule_dict.get("period", {}).get("max", 1000) min_d = self.rule_dict.get("period", {}).get("min", 1000) days = max_d if max_d > min_d else min_d if self.platform == "gongzhonghao": if ( int(time.time()) - publish_time_stamp > 3600 * 24 * days ) and ( int(time.time()) - update_time_stamp > 3600 * 24 * days ): self.aliyun_log.logging( code="2004", trace_id=self.trace_id, data=self.item, message="发布时间超过{}天".format(days), ) return False else: if ( int(time.time()) - publish_time_stamp > 3600 * 24 * days ): self.aliyun_log.logging( code="2004", trace_id=self.trace_id, data=self.item, message="发布时间超过{}天".format(days), ) return False return True def title_flag(self): """ 视频标题是否满足需求 :return: """ title = self.item["video_title"] cleaned_title = re.sub(r"[^\w]", " ", title) # 敏感词 # 获取敏感词列表 sensitive_words = [] if any(word in cleaned_title for word in sensitive_words): self.aliyun_log.logging( code="2003", trace_id=self.trace_id, message="标题中包含敏感词", data=self.item, account=self.account ) return False return True def download_rule_flag(self): """ 视频基础下载规则 :return: """ for key in self.item: if self.rule_dict.get(key): max_value = ( int(self.rule_dict[key]["max"]) if int(self.rule_dict[key]["max"]) > 0 else 999999999999999 ) if key == "peroid": # peroid是抓取周期天数 continue else: flag = int(self.rule_dict[key]["min"]) <= int(self.item[key]) <= max_value if not flag: self.aliyun_log.logging( code="2004", trace_id=self.trace_id, data=self.item, message="{}: {} <= {} <= {}, {}".format( key, self.rule_dict[key]["min"], self.item[key], max_value, flag, ), account=self.account ) return flag else: continue return True # 按照某个具体平台来去重 def repeat_video(self): """ 视频是否重复 :return: """ if self.platform == "zhuwanwufusunew" and self.mode == "recommend": return True if self.platform == "jixiangxingfu" and self.mode == "recommend": return True out_id = self.item["out_video_id"] # 判断加上标题去重 if self.mode == "recommend" and self.platform == "yuannifuqichangzai": title = self.item["video_title"] sql = f""" select 1 from crawler_video where platform = "{self.platform}" and out_video_id="{out_id}" and video_title="{title}"; """ # 判断加上标题去重 elif self.mode == "recommend" and self.platform == "zhufuhaoyunbaofu": title = self.item["video_title"] sql = f""" select 1 from crawler_video where platform = "{self.platform}" and out_video_id="{out_id}" and video_title="{title}"; """ else: sql = f""" select 1 from crawler_video where platform = "{self.platform}" and out_video_id="{out_id}"; """ repeat_video = self.mysql.select(sql=sql) if repeat_video: # 喜事多多平台 4 天去重一次 if self.platform == "xishiduoduo": sql_2 = f"""select create_time from crawler_video where out_video_id="{out_id}";""" video_time = self.mysql.select(sql=sql_2)[0][0].timestamp() if int(time.time()) - video_time >= 86400 * 4: return True self.aliyun_log.logging( code="2002", trace_id=self.trace_id, message="重复的视频", data=self.item, account=self.account ) return False return True def process_item(self): """ 全规则判断,符合规则的数据则return True :return: """ if not self.publish_time_flag(): # 记录相关日志 return False if not self.title_flag(): # 记录相关日志 return False if not self.repeat_video(): # 记录相关日志 return False if not self.download_rule_flag(): # 记录相关日志 return False return True # if __name__ == '__main__': # sql_2 = f"""select create_time from crawler_video where video_id='18940470';""" # Mysql = MysqlHelper(platform="xishiduoduo", mode="recommend") # video_time = Mysql.select(sql=sql_2) # print(video_time) # print(video_time[0]) # print(video_time[0][0]) # print(type(video_time[0][0])) # print(video_time[0][0].timestamp())