def read_file(self, datatype, index):
try:
f = open(self.file_1, 'r')
self.file_lock(f, LOCK)
f.seek(0, 0)
line = f.readline()
except IOError:
log("JSON file doesnt exist/Cant Read", ERROR)
log("Trying Direct Object Read", WARNING)
return self.read_object(datatype, index)
Temp = jsonpickle.decode(line)
for case in switch(datatype):
if case('DIN'):
data = Temp.DIN[index].read()
break
if case('AOUT'):
data = Temp.AOUT[index].read()
break
if case('AIN'):
data = Temp.AIN[index].read()
break
if case('DOUT'):
data = Temp.DOUT[index].read()
break
if case('DEV_CHAR'):
data = Temp.DEV_CHAR[index].read()
break
if(sys.platform != 'win32'):
self.file_lock(f, UNLOCK)
f.close()
log("Read " + str(data) + " from " + str(datatype) + str(index), DEBUG,(datetime.datetime.now()-self.start_time))
return data
def read_object(self, attribute, index=-1):
if(index == -1):
try:
temp_type = self.Name_Hash[attribute]
except KeyError:
log("Error in attribute", ERROR)
return
sp_temp = re.split('/', temp_type)
datatype = sp_temp[0]
index = int(sp_temp[1])
else:
datatype = attribute
for case in switch(datatype):
if case('DIN'):
return self.DIN[index].read()
break
if case('AOUT'):
return self.AOUT[index].read()
break
if case('AIN'):
return self.AIN[index].read()
break
if case('DOUT'):
return self.DOUT[index].read()
break
if case('DEV_CHAR'):
return self.DEV_CHAR[index].read()
break
def write_file(self, value, datatype, index):
try:
f = open(self.file_1, 'r+')
except IOError:
log("JSON File Doesn't Exist", ERROR)
f = open(self.file_1, 'w')
self.file_lock(f, LOCK)
self.write_time = datetime.datetime.now()
f.write(jsonpickle.encode(self))
self.file_lock(f, UNLOCK)
f.close()
self.Delete_All_Changes()
log("Created JSON file", EVENT)
return
self.file_lock(f, LOCK)
line = f.readline()
Temp = jsonpickle.decode(line)
for case in switch(datatype):
if case('DIN'):
Temp.DIN[index].write(value)
if(self.app_name != "MQTT"):
Temp.Record_Change('DIN/' + str(index))
break
if case('AOUT'):
Temp.AOUT[index].write(value)
if(self.app_name != "MQTT"):
Temp.Record_Change('AOUT/' + str(index))
break
if case('AIN'):
Temp.AIN[index].write(value)
if(self.app_name != "MQTT"):
Temp.Record_Change('AIN/' + str(index))
break
if case('DOUT'):
Temp.DOUT[index].write(value)
if(self.app_name != "MQTT"):
Temp.Record_Change('DOUT/' + str(index))
break
if case('DEV_CHAR'):
Temp.DEV_CHAR[index].write(value)
if(self.app_name != "MQTT"):
Temp.Record_Change('DEV_CHAR/' + str(index))
break
if case():
log('Error in DataType', ERROR)
break
self.write_time = datetime.datetime.now()
Temp.write_time = self.write_time
f.seek(0, 0)
f.write(jsonpickle.encode(Temp))
log("wrote " + str(value) + " to " + str(datatype) + str(index), DEBUG, (datetime.datetime.now()-self.start_time))
f.truncate()
if(sys.platform != 'win32'):
self.file_lock(f, UNLOCK)
f.close()
# self.Delete_All_Changes()
return
def move(self, new_profile, datatype, index):
for case in switch(datatype):
if case('DIN'):
self.DIN[index] = new_profile.DIN[index]
self.Record_Change('DIN/' + str(index))
break
if case('AOUT'):
self.AOUT[index] = new_profile.AOUT[index]
self.Record_Change('AOUT/' + str(index))
break
if case('AIN'):
self.AIN[index] = new_profile.AIN[index]
self.Record_Change('AIN/' + str(index))
break
if case('DOUT'):
self.DOUT[index] = new_profile.DOUT[index]
self.Record_Change('DOUT/' + str(index))
break
if case('DEV_CHAR'):
self.DEV_CHAR[index] = new_profile.DEV_CHAR[index]
self.Record_Change('DEV_CHAR/' + str(index))
break
log("updated " + str(datatype) + str(index), DEBUG)
