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from datetime import timedelta
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from celery.schedules import crontab
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import os
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from peewee import *
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import sqlite3
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from utils.DBModels.ClientModels import *
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from utils.DBModels.BaseModel import *
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from utils.DBModels.ProjectBaseModel import *
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try:
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dbPath = os.path.join('../../../', 'db', 'client.db')
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clientDB = SqliteDatabase(dbPath)
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client_proxy = client_proxy
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client_proxy.initialize(clientDB)
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clientDB.connect()
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name = ClientDB.getByName().value
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dbPath = os.path.join('../../../project', name, 'db', 'project.db')
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conn = sqlite3.connect(dbPath)
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cursor = conn.cursor()
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cursor.execute("select * from RTUSetting")
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allCon = cursor.fetchall()
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frequency = float(allCon[0][-1])
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clientDB.close()
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conn.close()
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except Exception as e:
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print(e)
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BROKER_URL = 'redis://127.0.0.1:6379' # 指定 Broker
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CELERY_RESULT_BACKEND = 'redis://127.0.0.1:6379' # 指定 Backend
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CELERY_TIMEZONE='Asia/Shanghai' # 指定时区，默认是 UTC
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ENABLE_UTC = False
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CELERY_IMPORTS = ( # 指定导入的任务模块
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'protocol.Celery.MBRTUSlave.MBRTUSTask',
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)
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# WORKER_HIJACK_ROOT_LOGGER = False
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CELERY_TASK_RESULT_EXPIRES = 5 # 结果过期时间
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CELERY_RESULT_SERIALIZER = 'json' # 结果存储格式
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# 指定任务序列化方式
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CELERY_TASK_SERIALIZER = 'msgpack'
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# CELERYD_CONCURRENCY = 1 # 并发worker数
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# 指定任务接受的序列化类型.
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CELERY_ACCEPT_CONTENT = ["msgpack",'pickle','json']
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CELERYD_FORCE_EXECV = True # 非常重要,有些情况下可以防止死锁
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CELERYD_TASK_TIME_LIMIT = 200 # 单个任务的运行时间不超过此值，否则会被SIGKILL 信号杀死
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# 定时任务
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try:
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CELERYBEAT_SCHEDULE = {
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'add-every-0.1-seconds': {
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'task': 'protocol.Celery.MBRTUSlave.MBRTUSTask.readValues',
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'schedule': timedelta(seconds = frequency), # 每 30 秒执行一次
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'args': () # 任务函数参数
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}
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}
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except Exception as e:
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print(e) |