plc_checker.py
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import json
import logging
logger = logging.getLogger(__name__)
logger.setLevel('DEBUG')
class PlcChecker(object):
def __init__(self):
self.origin = {}
self.origin["plc_origin"] = None
self.origin["plc_site"] = None
self.struct = None
self.path_list = None
# self.plc_global = copy.copy(self.struct["devices"])
self.device_name = None
self.device_type = None
self.serial_number = None
self.valid = None
self.sensors_monitor = {
"Temperature_outside": None,
"Humidity_outside": None,
"Rain_boolean": None,
"Wind_direction": None,
"Wind_speed": None,
"Temperature_sky": None,
"status": None,
"current": None,
"plc_mode": None,
"LIGHTS": None,
"SHUTTERS": None,
}
#self.sensors_conf = {}
self.sensors_table = []
self.load_config()
def load_config(self):
try:
colibri_json = open("./monitoring/plc_config.json")
_struct = json.load(colibri_json)
self.origin = _struct["origin"]
self.sensors_table = _struct["sensors"]
self.sensors_monitor= _struct["selected_sensors"]
logger.info("Loaded : plc_config.json")
colibri_json.close
except:
logger.info("No plc_config.json")
def save_config(self):
#try:
_struct = {}
_struct["origin"] = self.origin
_struct["sensors"] = self.sensors_table
_struct["selected_sensors"] = self.sensors_monitor
_file = open("./monitoring/plc_config.json" , 'w')
_file.write(json.dumps(_struct))
_file.close()
logger.info("Saved : plc_config.json")
#except:
logger.info("Not saved plc_config.json")
def init_sensors_monitor(self):
for sensor in self.sensors_monitor:
self.sensors_monitor[sensor] = None
def chk_config(self, status_plc):
try:
struct = json.loads(status_plc)
except:
logger.info("Error loading plc json")
if isinstance(struct, list):
self.struct = struct[0]
else:
self.struct = struct
if not self.same_origin():
self.scan_sensors()
self.save_config()
return True
def same_origin(self):
# check new origin
print('?')
if self.struct["origin"] == self.origin["plc_origin"] and self.struct["site"] == self.origin["plc_site"]:
return True
else:
# update origin
self.origin["plc_origin"] = self.struct["origin"]
self.origin["plc_site"] = self.struct["site"]
# init sensors_monitor
self.init_sensors_monitor()
return False
def known_sensor(self, name):
known = None
if name in self.sensors_monitor.keys():
known = name
return known
def monitored_sensor(self, name, _sensor_id):
selected = ""
if self.sensors_monitor[name] == None:
self.sensors_monitor[name] = _sensor_id
selected = "checked"
return selected
def get_key(self, struct, key):
try:
ret = struct[key]
except:
ret = None
return ret
def get_sensor(self, monitored):
#_id: 'DHT22:/MiFe_DHT1_1:/Humidity'
_id = self.sensors_monitor[monitored]
_value = None
if _id != None:
sp_id = _id.split(":/")
for device in self.struct["devices"]:
if device["device_name"] == sp_id[0] and device["serial_number"] == sp_id[1]:
for device_values in device["device_values"]:
if device_values["name"] == sp_id[2]:
_value = device_values["value"]
return _value
def scan_sensors(self):
# return sensors table from struct
self.sensors_table = []
try:
logger.debug(self.struct["date"])
except Exception as e:
logger.debug("No date")
for device in self.struct["devices"]:
self.device_name = self.get_key(device, "device_name")
self.device_type = self.get_key(device, "device_type")
self.serial_number = self.get_key(device, "serial_number")
self.valid = True if self.get_key(device, "error_code") == '0' else False
for device_values in device["device_values"]:
sensor = []
sensor.append(self.device_name)
sensor.append(self.device_type)
sensor.append(self.serial_number)
sensor.append(self.valid)
_name = self.get_key(device_values, "name")
sensor.append(_name)
_monitoring_name = self.known_sensor(self.get_key(device_values, "monitoring_name"))
_sensor_id = self.device_name + ":/" + self.serial_number + ":/" + _name
_selected = self.monitored_sensor(_monitoring_name, _sensor_id) if (self.valid and _monitoring_name) else ""
sensor.append(_monitoring_name)
sensor.append(self.get_key(device_values, "type"))
sensor.append(_selected)
sensor.append(_sensor_id)
self.sensors_table.append(sensor)
# deprecated find sensor list in struct
"""
def find_sensors(self):
try:
logger.debug(self.struct["date"])
except Exception as e:
logger.debug("No date")
for sensor_type in self.sensors:
self.sensors_conf[sensor_type] = {}
logger.debug(sensor_type + ":")
try:
self.cross_devices_list(sensor_type)
except Exception as e:
logger.debug(sensor_type + " error")
def cross_devices_list(self, sensor_type):
""""""
for device in self.struct["devices"]:
if device["device_name"] != "GLOBAL" and device["device_type"] == "meteo" and device["valid"] == "yes":
self.cros_sensor_list(device, sensor_type)
def cros_sensor_list(self, device, sensor_type):
device_id = device["device_name"] + "/" + device["serial_number"]
for sensor in device["device_values"]:
if sensor["name"] == sensor_type:
self.sensors_conf[sensor_type][device_id] = sensor["value"]
logger.debug("-- " + device_id + " : " + str(sensor["value"]))
"""