75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import time
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import sys
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import traceback
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import xml.etree.ElementTree as ET
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from timeFunctions import *
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from settings import SensorType
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import settings
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class Logger(object):
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def __init__(self, log):
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self.names = settings.NAMES
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self.temp_sensors = settings.tempSensors
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self.temp_prev_default=settings.prev_temps_default
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self.prev_temps =[]
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for i in range(self.temp_sensors):
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self.prev_temps.append(self.temp_prev_default)
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self.temp_max_diff = settings.tempmaxdiff
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self.log = log
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self.records = settings.records
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def temp_rise(self,old,new,sensor):
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if(old==self.temp_prev_default):
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return True
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if((old-new)>self.temp_max_diff or (new-old)>self.temp_max_diff):
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self.log.write('error checking '+self.names[sensor]+';prev('+str(old)+');cur('+str(new)+'); ... @'+time.ctime()+"\n")
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self.log.flush()
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return False
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else:
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return True
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##########################################
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# common function to write value to file #
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##########################################
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def write_value(self,value,sensor):
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# TODO: catch IOError
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valuename=self.records+"/"+self.names[sensor]+"_"+preptime()
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valuelog=open(valuename,'a')
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valuelog.write(str(value) + ';' + str(int(time.time())) +"\n")
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valuelog.close()
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##########################################
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# generic callback #
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##########################################
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def cb_generic(self,value, sensor, type):
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if(type == SensorType.temp):
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if(self.temp_rise(self.prev_temps[sensor],value,sensor)):
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self.write_value(value,sensor)
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self.prev_temps[sensor]=value
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elif (type == SensorType.none):
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return
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else:
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self.write_value(value,sensor)
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unit=settings.SENSOR_VALUES[type]
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print(self.names[sensor] +': ' + str(value/unit[0]) + ' '+unit[1]+', ' + str(time.ctime()))
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###########################################
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# exception logging #
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###########################################
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def printException(self,inst):
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tree=ET.parse(settings.exceptionlog)
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root=tree.getroot()
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new=ET.Element('exception',{'class':str(type(inst)).split("'")[1],'date':str(time.ctime()),'time':str(int(time.time())),'type':str(inst)})
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new.text=traceback.format_exc()
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root.append(new)
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tree.write(settings.exceptionlog)
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self.log.write('an Exception happen during connection @'+time.ctime()+"\n")
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self.log.flush()
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print('an Exception happen during connection @'+time.ctime()+"\n")
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#end#
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