Files
datalogger-POC/dbMySQL/readConfig_MySQL.py
2016-06-14 19:06:35 -05:00

59 lines
2.0 KiB
Python

import mysql.connector as mysqlcon
import pickle
import os
with open(os.path.realpath('.') + '/mysql_cfg.pickle', 'rb') as cfgFile:
mysql_cfg = pickle.load(cfgFile)
con = mysqlcon.connect(**mysql_cfg)
def readConfig():
configProperties = {}
configObj = {}
con.connect()
cur = con.cursor()
query = "SELECT parameter, val FROM config GROUP BY parameter;"
cur.execute(query)
config = cur.fetchall()
for x in config:
configObj[x[0]] = x[1]
try:
configProperties['PLC_IP_ADDRESS'] = str(configObj['ip_address'])
print("FYI, using PLC IP Address from the database {0}".format(configProperties['PLC_IP_ADDRESS']))
except KeyError:
print("FYI, there is no PLC IP Address stored in the database, defaulting to 192.168.1.10")
configProperties['PLC_IP_ADDRESS'] = "192.168.1.10"
try:
configProperties['plc_type'] = str(configObj['plc_type'])
print("FYI, using PLC Type from the database {0}".format(configProperties['plc_type']))
except KeyError:
print("FYI, there is no PLC Type stored in the database, defaulting to CLX")
configProperties['plc_type'] = "CLX"
try:
configProperties['scan_rate'] = int(configObj['scan_rate'])
print("FYI, using Scan Rate from the database {0}".format(configProperties['scan_rate']))
except KeyError:
print("FYI, there is no Scan Rate stored in the database, defaulting to 10 seconds")
configProperties['scan_rate'] = 10
try:
sa_test = str(configObj['save_all'])
if sa_test.lower() == "true":
configProperties['save_all'] = True
elif sa_test.lower() == "false":
configProperties['save_all'] = False
else:
configProperties['save_all'] = "test"
print("FYI, value for save_all is {0}".format(configProperties['save_all']))
except KeyError:
print("FYI, there is no save_all value stored in the database, using 'test'")
configProperties['save_all'] = 'test'
return configProperties