weatherstation/Logger.py

108 lines
3.6 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import time
import sys
import traceback
from timeFunctions import *
import xml.etree.ElementTree as ET
class Logger(object):
def __init__(self,names, temperature_config, log, records):
self.names = names
self.temp_sensors = temperature_config[0]
self.temp_prev_default=temperature_config[1]
self.prev_temps =[]
for i in range(self.temp_sensors):
self.prev_temps.append(temperature_config[1])
self.temp_max_diff = temperature_config[2]
self.log = log
self.records = records
def temp_rise(self,old,new,sensor):
if(old==self.temp_prev_default):
return True
if((old-new)>self.temp_max_diff or (new-old)>self.temp_max_diff):
self.log.write('error checking temp '+sensor+';prev('+str(old)+');cur('+str(new)+'); ... @'+time.ctime()+"\n")
self.log.flush()
return False
else:
return True
##########################################
# common function to write value to file #
##########################################
def write_value(self,value,sensor):
valuename=self.records+"/"+self.names[sensor]+"_"+preptime()
valuelog=open(valuename,'a')
valuelog.write(str(value) + ';' + str(int(time.time())) +"\n")
valuelog.close()
#########################################
# generic checking of temperature #
#########################################
def check_and_write_temperature(self,value,sensor):
if(sensor>=self.temp_sensors):
return
if(self.temp_rise(self.prev_temps[sensor],value,str(sensor+1))):
self.write_value(value,sensor)
self.prev_temps[sensor]=value
##########################################
# callbacks for temp1+2 #
##########################################
def cb_temperature0(self,value):
sensor=0
self.check_and_write_temperature(value,sensor)
print(self.names[sensor] +': ' + str(value/100.0) + ' °C,' + str(time.ctime()))
#
def cb_temperature1(self,value):
sensor=1
self.check_and_write_temperature(value,sensor)
print(self.names[sensor] +': ' + str(value/100.0) + ' °C,' + str(time.ctime()))
###########################################
# callback for humidity1 #
###########################################
def cb_humidity2(self,rh):
sensor=2
self.write_value(rh,sensor)
print(self.names[sensor] +': '+ str(rh/10.0) + ' %RH,' + str(time.ctime()))
###########################################
# callback for ambi-light1+2 #
###########################################
def cb_illuminance3(self,illuminance):
sensor=3
self.write_value(illuminance,sensor)
print(self.names[sensor] +': '+ str(illuminance/10.0) + ' Lux,' + str(time.ctime()))
#
def cb_illuminance4(self,illuminance):
sensor=4
self.write_value(illuminance,sensor)
print(self.names[sensor] +': '+ str(illuminance/10.0) + ' Lux,' + str(time.ctime()))
###########################################
# callback for barometer1 #
###########################################
def cb_pressure5(self,pressure):
sensor=5
self.write_value(pressure,sensor)
print(self.names[sensor] +": "+str(pressure/1000)+ "mbar"+str(time.ctime()))
###########################################
# exception logging #
###########################################
def printException(self,inst):
tree=ET.parse('logs/exceptions.xml')
root=tree.getroot()
new=ET.Element('exception',{'class':str(type(inst)).split("'")[1],'date':str(time.ctime()),'time':str(int(time.time())),'type':str(inst)})
new.text=traceback.format_exc()
root.append(new)
tree.write('logs/exceptions.xml')
self.log.write('an Exception happen during connection @'+time.ctime()+"\n")
self.log.flush()
print('an Exception happen during connection @'+time.ctime()+"\n")
#end#