pytools/base_server.py

# -*- coding: utf-8 -*-
"""
Created on 2023-05-09 
---------
@summary:  管理服务基类
---------
@author: Dzr
"""
import common.utils as tools
from common.databases import mongo_table
from common.redisdb import RedisDB


class BaseServer:

    def __init__(self, server: str, label: str, db=None, table=None, **kwargs):
        self.server = server

        if db and table:
            self.mgo_db_name = db
            self.mgo_table_name = table
            self.mgo_db = mongo_table(db, table)

        self.task_fingerprint = f"{label}_task_fingerprint"
        self.request_tasks = f"{label}_task_list"
        self.redis_db = RedisDB(kwargs.pop('redis_cfg', None))

        self._unique_key = ('_id',)

    @property
    def unique_key(self):
        return self._unique_key

    @unique_key.setter
    def unique_key(self, keys):
        if isinstance(keys, (tuple, list)):
            self._unique_key = keys
        else:
            self._unique_key = (keys,)

    def fingerprint(self, **kwargs):
        args = []
        for key, value in kwargs.items():
            if value:
                if (self.unique_key and key in self.unique_key) or not self.unique_key:
                    args.append(str(value))

        if args:
            args = sorted(args)
            return tools.get_md5(*args)

    def exists(self, fingerprint):
        """判断元素是否存在redis集合"""
        return self.redis_db.hexists(self.task_fingerprint, fingerprint)

    def add(self, fingerprint, default=""):
        """添加元素到redis集合"""
        self.redis_db.hset(self.task_fingerprint, fingerprint, default)

    def remove(self, fingerprint):
        """从redis集合中移除元素"""
        self.redis_db.hdel(self.task_fingerprint, fingerprint)

    def rpush(self, task: str):
        self.redis_db.get_redis_obj().rpush(self.request_tasks, task)

    def lpop(self):
        return self.redis_db.lpop(self.request_tasks)

    @property
    def task_total(self):
        return self.redis_db.get_redis_obj().llen(self.request_tasks)

    def upload_data_to_mongodb(self, data, bulk_size=100, **kwargs):
        db = kwargs.pop('db', None) or self.mgo_db_name
        table = kwargs.pop('table', None) or self.mgo_table_name

        inserted_count = 0
        caches = []
        documents = data if isinstance(data, list) else [data]
        for document in documents:
            caches.append(document)
            inserted_count += 1
            if len(caches) % bulk_size == 0:
                mongo_table(db, table).insert_many(caches)
                caches.clear()

        if len(caches) > 0:
            mongo_table(db, table).insert_many(caches)
        return inserted_count