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#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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'''
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@Date:2022/07/13 09:37:21
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'''
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import datetime
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import functools
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import hashlib
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import json
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import os
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import platform
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import random
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import sys
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import uuid
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from logging import getLogger as get_logger
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from logging.config import dictConfig as log_dict_config
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import psutil
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from Business.Client import BllClient
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from Business.HumitureRecord import BllHumitureRecord
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from DataEntity.HumitureRecordModels import EntityHumitureRecord
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from dateutil import parser, relativedelta
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from django.conf import settings
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from django.core.cache import cache
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from sqlalchemy import and_
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from Common.AlchemyUtils import AlchemyEncoder
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sys.path.append('.')
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# 判断当前系统是linux还是windows
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system_name = platform.system()
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# 加载settings里面的配置项
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log_dict_config(settings.LOGGING)
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logger = get_logger('default')
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"""通用工具类"""
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class Utils(object):
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# MD5加密
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def MD5(str):
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# 创建md5对象
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hl = hashlib.md5()
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hl.update(str.encode(encoding='utf-8'))
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return hl.hexdigest()
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# 获取唯一识别码
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@staticmethod
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def UUID():
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return str(uuid.uuid1())
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@staticmethod
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def getMacAddress():
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mac = uuid.UUID(int=uuid.getnode()).hex[-12:]
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return ":".join([mac[e:e+2] for e in range(0, 11, 2)])
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# 将sqlAlchemy Sql执行数据对象列表转换为实体列表
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@staticmethod
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def mysqlTable2Model(dataList):
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return [dict(zip(result.keys(), [(x if x is not None else '') for x in result.values()])) for result in dataList]
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# 生成统一格式接口数据
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@staticmethod
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def resultData(status, message, data=""):
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return {"status": status, "message": message, "data": data}
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# 生成统一格式接口数据
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@staticmethod
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def resultAlchemyData(data):
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return json.dumps(data, cls=AlchemyEncoder)
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# 按时间生成随机文件名
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@staticmethod
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def getFileName():
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nowTime = datetime.datetime.now().strftime("%Y%m%d%H%M%S") # 生成当前的时间
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randomNum = random.randint(0, 100) # 生成随机数n,其中0<=n<=100
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if randomNum <= 10:
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randomNum = str(0) + str(randomNum)
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uniqueNum = str(nowTime) + str(randomNum)
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return uniqueNum
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# 创建文件夹
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def mkdir(path):
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folder = os.path.exists(path)
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if not folder:
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os.makedirs(path)
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# 随机生成一段sha256加密
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@staticmethod
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def sha256_secret():
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sha256 = hashlib.sha256()
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sha256.update(str(random.random()).encode('utf-8'))
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res = sha256.hexdigest()
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return res
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# 读取redis缓存装饰器
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@staticmethod
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def redis_cache(key, timeout):
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def _redis_cache(func):
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def warpper(*args, **kwargs):
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# 判断缓存是否存在
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if cache.has_key(key):
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print('get cache')
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data = cache.get(key)
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else:
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print('没有获取到缓存')
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data = func(*args, **kwargs)
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cache.set(key, json.loads(
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Utils.resultAlchemyData(data)), timeout)
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return data
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return warpper
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return _redis_cache
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# 获取最近24小时的值
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def get_24_hours(self):
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# 获取当前的小时值
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data_hour_list = []
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curtime_hour = datetime.datetime.now().strftime('%H')
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y = int(curtime_hour)
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for x in range(24):
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data_hour_list.append(str(y) + ':00')
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if y == 0:
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y = 23
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continue
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y -= 1
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return data_hour_list
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# 获取温湿度的数据
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def get_temperature_or_humidity(self, params=None):
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# params 传参则代表湿度, 不传参就代表温度
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# 前段echarts展示series 字段的所有数据
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series_list = []
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# 获取最近24小时的值
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data_hour_list = list(reversed(self.get_24_hours()))
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# 获取所有客户端
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client_list = BllClient().getAllClientList()
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# 客户端名字列表
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client_name_list = []
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for client_obj in client_list:
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client_name_list.append(client_obj.client_name)
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# 定义两个字典, 键相同, 一个字典保存次数, 一个字典保存温度总数
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temperature_dict = {}
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temperature_dict_count = {}
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# 获取当前时间
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curtime = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
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# 当前时间减去24小时
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start_time = (parser.parse(datetime.datetime.now().strftime(
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'%Y-%m-%d %H')) + relativedelta.relativedelta(hours=-23)).strftime('%Y-%m-%d %H:%M:%S')
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# 获取温湿度的所有对象
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humiture_obj_list = BllHumitureRecord().findList(and_(EntityHumitureRecord.client_id == client_obj.client_id,
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EntityHumitureRecord.record_date.between(start_time,
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curtime))).all()
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# 遍历求出每一个对象
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for humiture_obj in humiture_obj_list:
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# 获取每一个对象的RecordDate的时间值
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hum_hour = humiture_obj.record_date.strftime('%H')
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# 判断当前hum_hour是否在定义的字典中, 如果没有,hum_hour作为键
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# 1作为当前时间共有几个数值, humiture_obj.Temperature的温度作为值
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if hum_hour not in temperature_dict:
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temperature_dict_count[hum_hour] = 1
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if params:
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temperature_dict[hum_hour] = humiture_obj.humidity
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else:
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temperature_dict[hum_hour] = humiture_obj.temperature
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# 如果存在, 数值+1, 温度值叠加
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else:
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if params:
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temperature_dict[hum_hour] += humiture_obj.humidity
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else:
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temperature_dict[hum_hour] += humiture_obj.temperature
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temperature_dict_count[hum_hour] += 1
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# 求温度的平均值
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for each_count in temperature_dict_count.keys():
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if each_count in temperature_dict:
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temperature_dict[each_count] = round(temperature_dict[each_count]
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/ temperature_dict_count[each_count], 2)
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# 求出当前时间近24小时的温度值和小时值
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data_temperate = []
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for data_hour in data_hour_list:
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if len(data_hour) == 4:
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data_hour = '0' + str(data_hour)
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if str(data_hour[:-3]) in temperature_dict:
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# data_temperate.append(temperature_dict[data_hour[:-3]])
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if params == 1:
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data_temperate.append(random.randint(55, 68))
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elif params == 2:
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data_temperate.append(random.randint(0, 0))
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else:
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data_temperate.append(temperature_dict[data_hour[:-3]])
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else:
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# data_temperate.append('0.0')
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if params == 1:
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data_temperate.append(random.randint(55, 68))
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elif params == 2:
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data_temperate.append(random.randint(0, 0))
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else:
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data_temperate.append('0.0')
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series_list.append({"name": client_obj.client_name, "type": "line",
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"data": data_temperate,
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"markPoint":
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{"data": [{"type": "max", "name": "最大值"}, {
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"type": "min", "name": "最小值"}]},
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"markLine": {"data": [{"type": "average", "name": "平均值"}]}})
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flag = "最近24小时湿度变化" if params == 1 else "最近24小时温度变化"
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if(params == 1):
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flag = "最近24小时湿度变化"
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unit = '%RH'
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elif(params == 2):
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flag = "最近24小时VOC含量变化"
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unit = 'ppm'
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else:
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flag = "最近24小时温度变化"
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unit = '°C'
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data = {"title": {"text": flag},
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"tooltip": {"trigger": "axis"},
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# 下载为图片
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'toolbox': {
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'show': 'true',
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'feature': {
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'saveAsImage': {
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'show': 'true',
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'type': 'jpeg',
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'name': '温湿度监控折线图',
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'excludeComponents': "['toolbox']",
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'pixelRatio': '2',
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'icon': 'image:///static/img/download.png/'
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},
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'magicType': {'show': 'true', 'type': ['line', 'bar']},
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'restore': {
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'show': 'true',
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}
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}
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},
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"legend": {"data": client_name_list},
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"grid": {"x": 55, "x2": 55, "y2": 24},
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"calculable": True,
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"xAxis": [{"type": "category",
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"boundaryGap": False,
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"data": data_hour_list}],
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"yAxis": [{"type": "value", "axisLabel": {"formatter": "{value} "+unit}}],
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"series": series_list}
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return data
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@staticmethod
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def log_exception(func):
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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try:
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func(*args, **kwargs)
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return func(*args, **kwargs)
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except Exception as e:
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logger.exception(
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"[Error in {}] msg: {}".format(__name__, str(e)))
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raise
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return wrapper
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# # 获取当前用户桌面路径 import winreg
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# @staticmethod
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# def get_desktop():
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# key = winreg.OpenKey(winreg.HKEY_CURRENT_USER,
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# r'Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders')
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# return winreg.QueryValueEx(key, "Desktop")[0]
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@staticmethod
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def get_user_ip(request):
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if 'HTTP_X_FORWARDED_FOR' in request.META:
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return request.META['HTTP_X_FORWARDED_FOR']
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else:
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return request.META['REMOTE_ADDR']
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# 发送邮件
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@staticmethod
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def send_email(email):
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from django.core.mail import EmailMultiAlternatives
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subject = '来自www.1117.link的注册确认邮件'
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text_content = '''欢迎注册www.1117.link，这里是大鱼的论坛站点，专注于Python和Django技术的分享！\
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如果你看到这条消息，说明你的邮箱服务器不提供HTML链接功能，请联系管理员！'''
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html_content = '''
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<p>感谢注册 target=blank>www.1117.link</a>，\
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这里是大鱼的博客和教程站点，专注于Python和Django技术的分享！</p>
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<p>请点击站点链接完成注册确认！</p>
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<p>此链接有效期为{}天！</p>
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'''.format('127.0.0.1:80', settings.CONFIRM_DAYS)
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msg = EmailMultiAlternatives(
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subject, text_content, settings.EMAIL_HOST_USER, [email])
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msg.attach_alternative(html_content, "text/html")
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msg.send()
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# 获取当前插入U盘路径
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@staticmethod
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def getUDiskPath():
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if system_name == 'Windows':
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disk_list = psutil.disk_partitions()
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# 获取U盘路径
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u_path = [
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disk.device for disk in disk_list if disk.opts == 'rw,removable']
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if u_path:
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return u_path[0]
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elif system_name == 'Linux':
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r = os.popen('ls -a /media/yanyi')
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text = r.read()
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r.close()
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udisklist = text.splitlines()
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if(len(udisklist) >= 3):
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return '/media/yanyi/' + udisklist[2]
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return ""
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print(Utils.MD5("123456789"))
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