77 lines
2.5 KiB
Python
77 lines
2.5 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.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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self.units = settings.SENSOR_UNITS
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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 ' + 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 + "/" + 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, supress = False):
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if type == SensorType.temp:
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i = int(sensor[-1])-1 #sensor contains name, followed by int
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if self.temp_rise(self.prev_temps[i], value, sensor):
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self.write_value(value, sensor)
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self.prev_temps[i] = 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 = self.units[type]
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if not supress:
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print(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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message = 'an Exception happend @' + time.ctime()+"\n"
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self.log.write(message)
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self.log.flush()
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print(message)
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