topic_spider/find_source/crawler/services/sync_data.py

import threading

from common.log import logger
from crawler.services.basics import BasicService
from crawler.utils import is_url, extract_domain
from settings import (
    MGO_URLS,
    MGO_ORGS,
    MGO_COMPETING_GOODS,
    MGO_DATA_GARBAGE,
    MGO_LUA_SPIDERS
)


class SyncData(BasicService):
    """数据同步服务"""

    def __init__(self, init_validator=False, init_collector=False, **kwargs):
        self._sync_validate_data = (kwargs.pop('validate_interval', None) or 7200)
        self._keywords_interval = (kwargs.pop('keywords_interval', None) or 3600)
        self._competing_goods_interval = (kwargs.pop('competing_goods_interval', None) or 3600)
        self._seed_urls_interval = (kwargs.pop('seed_urls_interval', None) or 3600)
        self._orgs_interval = (kwargs.pop('orgs_interval', None) or 3600)
        super(SyncData, self).__init__(**kwargs)
        self._init_validator = init_validator
        self._init_collector = init_collector
        self._allow_load_data = False

    def sync_keywords(self):
        """同步搜索词数据"""
        logger.info(f'[加载数据]搜索词表')
        words = self.keywords_table()
        # 处理关键词格式并推送到任务队列
        words = [str(word).replace(' ', '').strip() for word in words]
        lst = []
        for word in words:
            lst.append(self.make_task(
                search=word,
                origin=word,
                groups=self.keyword_groups,
                classify=self.query_classify,
                weight=self.keyword_weight
            ))
        self.scheduler.add_query(self.keyword_groups, lst, level=self.keyword_weight)
        logger.info(f'[搜索词表]任务队列加载{len(words)}条搜索词')

    def sync_orgs(self):
        """同步组织单位数据"""
        logger.info(f'[加载数据]单位组织表')
        items = self.orgs_table()
        # 处理单位组织名称并推送到任务队列
        orgs = []
        for item in items:
            name = item.get('name')
            if name in ['', None]:
                logger.error(f'[单位组织表]组织名称错误: {item}')
                continue
            word = str(name).replace(' ', '').strip()
            orgs.append(word)
        lst = []
        for word in orgs:
            lst.append(self.make_task(
                search=word,
                origin=word,
                groups=self.org_groups,
                classify=self.query_classify,
                weight=self.org_weight
            ))
        self.scheduler.add_query(self.org_groups, lst, level=self.org_weight)
        # 已添加的组织单位名称进行标记,之后不在推送到任务队列
        for item in items:
            MGO_ORGS.update_one(
                {'_id': item['_id']},
                {'$set': {'enable_added': True}}
            )
        logger.info(f'[单位组织表]任务队列加载{len(items)}家单位组织')

    def sync_seed_urls(self):
        """同步网址数据"""
        logger.info(f'[加载数据]种子网址表')
        items = self.seed_urls_table()
        lst = []
        for item in items:
            if not is_url(item['name']):
                items.remove(item)
                continue
            lst.append(self.make_task(
                url=item['name'],
                origin=item['name'],
                groups=self.url_groups,
                classify=self.visit_classify,
                weight=self.url_weight
            ))
        self.scheduler.add_excavate(lst, level=self.url_weight)
        for item in items:
            MGO_URLS.update_many(
                {'_id': item['_id']},
                {'$set': {'enable_added': True}}
            )
        logger.info(f'[种子网址表]任务队列加载{len(items)}条种子网址')

    def sync_competing_goods(self):
        """同步竞品urls"""
        logger.info(f'[加载数据]竞品网址表')
        items = self.competing_goods_table()
        # 处理竞品urls并推送到任务队列
        lst = []
        for item in items:
            if not is_url(item['name']):
                items.remove(item)
                continue
            exists_url = self.validator.data(item['name'])
            if exists_url:
                items.remove(item)
                continue
            lst.append(self.make_task(
                url=item['name'],
                origin=item['name'],
                groups=self.competing_groups,
                classify=self.visit_classify,
                weight=self.url_weight
            ))
        self.scheduler.add_excavate(lst, level=self.url_weight)
        # 更新已推送竞品urls状态
        for item in items:
            MGO_COMPETING_GOODS.update_one(
                {'_id': item['_id']},
                {'$set': {'enable_added': True}}
            )
        logger.info(f'[竞品网址表]任务队列加载{len(items)}条网址')

    def data_collector(self):
        """收录器，存放新发现和已拥有的网址域名"""
        if self._init_collector:
            logger.info(f'[加载数据]收录器')
            count = 0
            q = {"param_common.11": {'$exists': True}}
            projection = {'param_common': 1}
            cursor = MGO_LUA_SPIDERS.find(q, projection=projection)
            for item in cursor.sort(self.sort):
                url = item['param_common'][11]
                if not is_url(url):
                    continue
                domain = extract_domain(url)
                logger.debug(f'[收录器]{domain}')
                if not self.collector.data(domain):
                    self.collector.add_data(domain)
                    count += 1
            logger.info(f'[收录器]读取{count}条网址域名')

    def data_validator(self):
        """垃圾池：存放寻源过程中垃圾网址和没有相关信息的网址"""
        if self._init_validator:
            logger.info(f'[加载数据]过滤器')
            count = 0
            cursor = MGO_DATA_GARBAGE.find(projection={'domain': 1})
            for item in cursor.sort(self.sort):
                try:
                    domain = item['domain']
                    if not isinstance(domain, str):
                        MGO_DATA_GARBAGE.delete_one({'_id': item['_id']})
                        continue
                except IndexError:
                    continue
                logger.debug(f'[过滤器]{domain}')
                if not self.validator.data(domain):
                    self.validator.add_data(domain)
                    count += 1
            logger.info(f'[过滤器]读取{count}条去重特征')

    def start(self):
        """程序入口"""

        def _validate():
            """数据过滤"""
            while True:
                try:
                    self.data_collector()
                    self.data_validator()
                    if not self._allow_load_data:
                        self._allow_load_data = True
                except Exception as e:
                    logger.exception(e)
                self.loops_interval(self._sync_validate_data)

        def _keywords():
            """搜索词"""
            while True:
                if self._allow_load_data:
                    try:
                        self.sync_keywords()
                        self.loops_interval(self._keywords_interval)
                    except Exception as e:
                        logger.exception(e)
                else:
                    self.loops_interval(2)

        def _competing_goods():
            """竞品列表"""
            while True:
                if self._allow_load_data:
                    try:
                        self.sync_competing_goods()
                        self.loops_interval(self._competing_goods_interval)
                    except Exception as e:
                        logger.exception(e)
                else:
                    self.loops_interval(2)

        def _seed_urls():
            """种子url"""
            while True:
                if self._allow_load_data:
                    try:
                        self.sync_seed_urls()
                        self.loops_interval(self._seed_urls_interval)
                    except Exception as e:
                        logger.exception(e)
                else:
                    self.loops_interval(2)

        def _orgs():
            """单位组织"""
            while True:
                if self._allow_load_data:
                    try:
                        self.sync_orgs()
                        self.loops_interval(self._orgs_interval)
                    except Exception as e:
                        logger.exception(e)
                else:
                    self.loops_interval(2)

        threading.Thread(target=_validate, name='SyncValidateData').start()
        threading.Thread(target=_keywords, name='SyncKeywords').start()
        threading.Thread(target=_competing_goods, name='SyncCompetingGoods').start()
        threading.Thread(target=_seed_urls, name='SyncSeedUrls').start()
        threading.Thread(target=_orgs, name='SyncOrgs').start()