automatic_crawler/spider/crawler_online/xiaoniangaotuijianliu.py

import os
import random
import sys
import time
import uuid
import json


import cv2
import requests

from application.common.mysql.sql import Sql
from application.common.redis.xng_redis import xng_in_video_data

sys.path.append(os.getcwd())

from application.items import VideoItem
from application.pipeline import PiaoQuanPipeline
from application.common.messageQueue import MQ
from application.common.log import AliyunLogger
from application.common.mysql import MysqlHelper



class XNGTJLRecommend(object):

    """
    小年糕推荐流
    """

    def __init__(self, platform, mode, rule_dict, user_list, env="prod"):
        self.limit_flag = False
        self.platform = platform
        self.mode = mode
        self.rule_dict = rule_dict
        self.user_list = user_list
        self.env = env
        self.download_cnt = 0
        self.mq = MQ(topic_name="topic_crawler_etl_" + self.env)
        self.expire_flag = False
        self.aliyun_log = AliyunLogger(mode=self.mode, platform=self.platform)
        self.mysql = MysqlHelper(mode=self.mode, platform=self)

    def get_video_duration(self, video_link: str) -> int:
        cap = cv2.VideoCapture(video_link)
        if cap.isOpened():
            rate = cap.get(5)
            frame_num = cap.get(7)
            duration = int(frame_num / rate)
            return duration
        return 0

    def get_recommend_list(self):
        print("小年糕推荐流开始")

        """
        获取推荐页视频
        """
        headers = {
            'Content-Type': 'application/json'
        }
        for i in range(3):
            url = "http://8.217.192.46:8889/crawler/xiao_nian_gao_plus/recommend"
            payload = json.dumps({})
            response = requests.request("POST", url, headers=headers, data=payload)
            response = response.json()
            if response['code'] != 0:
                self.aliyun_log.logging(
                    code="3000",
                    message="抓取单条视频失败,请求失败"
                ),
                return
            for index, video_obj in enumerate(response['data']['data'], 1):
                try:
                    self.aliyun_log.logging(
                        code="1001", message="扫描到一条视频", data=video_obj
                    )
                    self.process_video_obj(video_obj)
                except Exception as e:
                    self.aliyun_log.logging(
                        code="3000",
                        message="抓取单条视频失败, 该视频位于第{}页第{}条报错原因是{}".format(
                            1, index, e
                        ),
                    )
                if self.limit_flag:
                    return
                time.sleep(random.randint(5, 10))

    def process_video_obj(self, video_obj):
        """
        处理视频
        :param video_obj:
        """
        time.sleep(random.randint(3, 8))
        trace_id = self.platform + str(uuid.uuid1())
        our_user = random.choice(self.user_list)
        item = VideoItem()
        try:
            mid = int(video_obj['user']['mid'])
            print(f"id:{mid}")
            user_name = video_obj['user']['nick']
            avatar_url = video_obj['user']['hurl']
            sql = Sql()
            max_id = sql.select_id(mid)
            if max_id:
                sql.update_name_url(mid, avatar_url, user_name)
            else:
                time.sleep(1)
                link = sql.select_id_status(mid)
                if link:
                    sql.insert_name_url(mid, avatar_url, user_name)
                    print(f"开始写入{mid}")
                    xng_in_video_data(json.dumps({"mid": mid}))
        except Exception as e:
            print(f"写入异常{e}")
            pass
        url = video_obj["v_url"]
        duration = self.get_video_duration(url)
        item.add_video_info("video_id", video_obj["id"])
        item.add_video_info("video_title", video_obj["title"])
        item.add_video_info("play_cnt", int(video_obj["play_pv"]))
        item.add_video_info("publish_time_stamp", int(int(video_obj["t"]) / 1000))
        item.add_video_info("out_user_id", video_obj["id"])
        item.add_video_info("cover_url", video_obj["url"])
        item.add_video_info("like_cnt", 0)
        item.add_video_info("share_cnt", int(video_obj["share"]))
        item.add_video_info("comment_cnt", int(video_obj["comment_count"]))
        item.add_video_info("video_url", video_obj["v_url"])
        item.add_video_info("out_video_id", video_obj["id"])
        item.add_video_info("duration", int(duration))
        item.add_video_info("platform", self.platform)
        item.add_video_info("strategy", self.mode)
        item.add_video_info("session", "{}-{}".format(self.platform, int(time.time())))
        item.add_video_info("user_id", our_user["uid"])
        item.add_video_info("user_name", our_user["nick_name"])
        mq_obj = item.produce_item()
        pipeline = PiaoQuanPipeline(
            platform=self.platform,
            mode=self.mode,
            rule_dict=self.rule_dict,
            env=self.env,
            item=mq_obj,
            trace_id=trace_id,
        )
        if pipeline.process_item():
            self.download_cnt += 1
            self.mq.send_msg(mq_obj)
            self.aliyun_log.logging(code="1002", message="成功发送至 ETL", data=mq_obj)
            if self.download_cnt >= int(
                    self.rule_dict.get("videos_cnt", {}).get("min", 200)
            ):
                self.limit_flag = True

    """
    查询用户id是否存在
    """
    def select_id(self, uid):
        sql = f""" select uid from xng_uid where uid = "{uid}"; """
        db = MysqlHelper()
        repeat_video = db.select(sql=sql)
        if repeat_video:
            return True
        return False

    """
    查询用户id是否之前已添加过
    """
    def select_id_status(self, uid):
        sql = f""" select uid from crawler_user_v3 where link = "{uid}"; """
        db = MysqlHelper()
        repeat_video = db.select(sql=sql)
        if repeat_video:
            return False
        return True

    def run(self):
        self.get_recommend_list()


if __name__ == '__main__':
    J = XNGTJLRecommend(
        platform="xiaonianggaotuijianliu",
        mode="recommend",
        rule_dict={},
        user_list=[{'uid': "123456", 'nick_name': "xiaoxiao"}],

    )
    J.get_recommend_list()
    # J.logic()