rov-server/app.py

import random

from gevent import monkey
monkey.patch_all()

import json
import time

from flask import Flask, request
from log import Log
from config import set_config
from recommend import video_homepage_recommend, video_relevant_recommend
from category import get_category_videos
from video_recall import PoolRecall
from db_helper import RedisHelper
import traceback
import ast
from gevent.pywsgi import WSGIServer
from multiprocessing import cpu_count, Process
from utils import update_video_w_h_rate
from user2new import user2new
from params_helper import Params
# from werkzeug.middleware.profiler import ProfilerMiddleware


app = Flask(__name__)
#app.wsgi_app = ProfilerMiddleware(app.wsgi_app)
log_ = Log()
config_ = set_config()


@app.route('/healthcheck')
def health_check():
    return 'ok!'


# 首页推荐及tab分类
@app.route('/applet/video/homepage/recommend', methods=['GET', 'POST'])
def homepage_recommend():
    time.sleep(3)
    start_time = time.time()
    in_homepage = start_time * 1000 + random.randint(0, 100)
    log_.info({'type': 'homepage', 'in_homepage': in_homepage})
    try:
        log_.info({'request_headers': request.headers})
        request_data = json.loads(request.get_data())
        request_id = request_data.get('requestId')
        log_.info({
            'logTimestamp': int(time.time() * 1000),
            'request_id': request_id,
            'text': 'in homepage_recommend',
            'type': 'homepage_recommend',
            'in_homepage': in_homepage,
            'executeTime': (time.time() - start_time) * 1000
        })
        mid = request_data.get('mid')
        uid = request_data.get('uid')
        category_id = request_data.get('categoryId')
        size = request_data.get('size', 4)
        app_type = request_data.get('appType')
        algo_type = request_data.get('algoType')
        client_info = request_data.get('clientInfo')
        ab_exp_info = request_data.get('abExpInfo', None)
        # log_.info({'requestUri': '/applet/video/homepage/recommend', 'requestData': request_data})
        # log_.info('homepage_recommend request data: {}'.format(request_data))
        params = Params(request_id=request_id)
        # size默认为10
        if not size:
            size = 10
        if category_id in config_.CATEGORY['recommend']:
            # 推荐
            videos = video_homepage_recommend(request_id=request_id,
                                              mid=mid, uid=uid, size=size, app_type=app_type,
                                              algo_type=algo_type, client_info=client_info,
                                              ab_exp_info=ab_exp_info, params=params)
            result = {'code': 200, 'message': 'success', 'data': {'videos': videos}}
            log_.info({
                'requestUri': '/applet/video/homepage/recommend',
                'logTimestamp': int(time.time() * 1000),
                'request_id': request_id,
                'app_type': app_type,
                'category_id': category_id,
                'mid': mid,
                'uid': uid,
                'result': result,
                'executeTime': (time.time() - start_time) * 1000
            })
            # log_.info('category_id: {}, mid: {}, uid: {}, result: {}, execute time = {}ms'.format(
            #     category_id, mid, uid, result, (time.time() - start_time)*1000))
            return json.dumps(result)
        elif category_id in config_.CATEGORY['other']:
            # 其他类别
            videos = get_category_videos()
            result = {'code': 200, 'message': 'success', 'data': {'videos': videos}}
            log_.info('category_id: {}, mid: {}, uid: {}, result: {}, execute time = {}ms'.format(
                category_id, mid, uid, result, (time.time() - start_time) * 1000))
            return json.dumps(result)
        else:
            log_.error('categoryId error, categoryId = {}'.format(category_id))
            result = {'code': -1, 'message': 'categoryId error'}
            return json.dumps(result)

    except Exception as e:
        log_.error(traceback.format_exc())
        result = {'code': -1, 'message': 'fail'}
        return json.dumps(result)


# 相关推荐
@app.route('/applet/video/relevant/recommend', methods=['GET', 'POST'])
def relevant_recommend():
    start_time = time.time()
    in_relevant = start_time * 1000 + random.randint(0, 100)
    log_.info({"type": "relevant", "in_relevant": in_relevant})
    try:
        request_data = json.loads(request.get_data())
        request_id = request_data.get('requestId')
        log_.info({
            'logTimestamp': int(time.time() * 1000),
            'request_id': request_id,
            'in_relevant': in_relevant,
            'type': "relevant_recommend",
            'text': 'in relevant_recommend',
            'executeTime': (time.time() - start_time) * 1000
        })
        mid = request_data.get('mid')
        uid = request_data.get('uid')
        video_id = request_data.get('videoId')
        # up_uid = request_data.get('upUid')
        # share_mid = request_data.get('shareMid')
        # share_uid = request_data.get('shareUid')
        # page_num = request_data.get('pageNum', 1)
        page_size = request_data.get('pageSize', 4)
        app_type = request_data.get('appType')
        client_info = request_data.get('clientInfo')
        ab_exp_info = request_data.get('abExpInfo', None)
        page_type = request_data.get('pageType')  # 1:详情页；2:分享页
        # log_.info({'requestUri': '/applet/video/relevant/recommend', 'requestData': request_data})
        # log_.info('requestUri = "{}", requestData = "{}"'.format('/applet/video/relevant/recommend', request_data))
        # log_.info('relevant_recommend request data: {}'.format(request_data))

        params = Params(request_id=request_id)

        videos = video_relevant_recommend(request_id=request_id,
                                          video_id=video_id, mid=mid, uid=uid, size=page_size, app_type=app_type,
                                          ab_exp_info=ab_exp_info, client_info=client_info, page_type=page_type,
                                          params=params)

        result = {'code': 200, 'message': 'success', 'data': {'videos': videos}}
        log_.info({
            'requestUri': '/applet/video/relevant/recommend',
            'logTimestamp': int(time.time() * 1000),
            'request_id': request_id,
            'app_type': app_type,
            'mid': mid,
            'uid': uid,
            'result': result,
            'executeTime': (time.time() - start_time) * 1000
        })

        # log_.info('app_type: {}, mid: {}, uid: {}, relevant-result: {}, execute time = {}ms'.format(
        #     app_type, mid, uid, result, (time.time() - start_time) * 1000))
        return json.dumps(result)
    except Exception as e:
        log_.error(traceback.format_exc())
        result = {'code': -1, 'message': 'fail'}
        return json.dumps(result)


# 管理后台实时修改rov
@app.route('/applet/video/update/rov', methods=['GET', 'POST'])
def update_rov():
    try:
        # log_.info({'requestUri': '/applet/video/update/rov', 'request_initial': request.get_data()})
        request_data = json.loads(request.get_data())
        log_.info({'requestUri': '/applet/video/update/rov',
                   'logTimestamp': int(time.time() * 1000),
                   'requestData': request_data})
        # log_.info('update_rov request data: {}'.format(request_data))
        # app_type = request_data.get('appType')
        video_id = request_data.get('videoId')
        rov_score = request_data.get('rovScore')
        redis_helper = RedisHelper()
        # 将修改ROV值视频的 videoId 和 rovScore 存入对应的redis中
        redis_helper.update_score_with_value(key_name=config_.UPDATE_ROV_KEY_NAME, value=video_id, score=rov_score)
        redis_helper.update_score_with_value(key_name=config_.UPDATE_ROV_KEY_NAME_APP, value=video_id, score=rov_score)

        # ###### 下线 横屏实验
        # # 判断该视频是否为 横屏视频，如果是则 存入rov召回池横屏视频 redis 中
        # update_video_w_h_rate(video_id=int(video_id), key_name=config_.W_H_RATE_UP_1_VIDEO_LIST_KEY_NAME['rov_recall'])

        result = {'code': 200, 'message': 'update rov success'}
        log_.info({'requestUri': '/applet/video/update/rov', 'logTimestamp': int(time.time() * 1000), 'result': result})
        # log_.info('result: {}'.format(result))
        return json.dumps(result)
    except Exception as e:
        log_.error(traceback.format_exc())
        result = {'code': -1, 'message': 'update rov fail'}
        return json.dumps(result)


# 管理后台指定用户恢复成新用户
@app.route('/applet/user/to_new', methods=['GET', 'POST'])
def user_to_new():
    try:
        request_data = json.loads(request.get_data())
        log_.info({'requestUri': '/applet/user/to_new', 'requestData': request_data})
        app_type = request_data.get('appType', None)
        mid = request_data.get('mid')
        uid = request_data.get('uid')
        user2new(app_type=app_type, mid=mid, uid=uid)
        result = {'code': 200, 'message': 'success'}
        log_.info({'requestUri': '/applet/user/to_new', 'result': result})
        return json.dumps(result)
    except Exception as e:
        log_.error(traceback.format_exc())
        result = {'code': -1, 'message': 'fail'}
        return json.dumps(result)


# app热榜
@app.route('/app/video/hot_list', methods=['GET', 'POST'])
def app_video_hot_list():
    try:
        page_size = 10
        request_data = request.get_data()
        request_data = json.loads(request_data)
        page = request_data.get('page', 0)
        log_.info({'requestUri': '/app/video/hot_lis', 'requestData': request_data})
        # log_.info('app_video_hot_list request data: {}'.format(request_data))

        redis_helper = RedisHelper()
        datas = redis_helper.get_data_from_redis('app_video_hot_list')

        if datas is None or len(datas) == 0:
            result = {'code': -1, 'message': 'no data'}
            log_.info({'requestUri': '/app/video/hot_lis', 'result': result})
            # log_.info('result: {}'.format(result))
            return json.dumps(result)
        datas = ast.literal_eval(datas)
        total_page = int(len(datas)/page_size)
        if len(datas)%page_size > 0:
            total_page += 1

        if page > total_page -1 :
            result = {'code': -1, 'message': 'page exceed max'}
            log_.info({'requestUri': '/app/video/hot_lis', 'result': result})
            # log_.info('result: {}'.format(result))
            return json.dumps(result)

        result = {'code': 200, 'message': '', 'data': {'total_page': total_page,
                                                       'hot_list': datas[page*page_size:page*page_size+page_size]}}
        log_.info({'requestUri': '/app/video/hot_lis', 'result': result})
        # log_.info('result: {}'.format(result))
        return json.dumps(result)

    except Exception as e:
        log_.error(e)
        print(traceback.format_exc())
        result = {'code': -1, 'message': 'fail'}
        return json.dumps(result)


def serve_forever(ip='0.0.0.0', port=5001):
    pywsgi.WSGIServer((ip, port), app).serve_forever()


def apprun(MULTI_PROCESS=True, ip='0.0.0.0', port=5001):
    if MULTI_PROCESS == False:
        WSGIServer((ip, port), app).serve_forever()
    else:
        mulserver = WSGIServer((ip, port), app)
        mulserver.start()
 
        def server_forever():
            mulserver.start_accepting()
            mulserver._stop_event.wait()
 
        #for i in range(cpu_count()):
        for i in range(4):
            p = Process(target=server_forever)
            p.start()


if __name__ == '__main__':
    
    #app.run()
    #server = pywsgi.WSGIServer(('0.0.0.0', 5000), app)
    #server.serve_forever()
    apprun()