def fetch_data(master_dict):
"""
loops through the master device list and pulls the corresponding data from the BAS system
:param master_dict: the master dict created in load_master_dict
:return: master_dict
"""
http = urllib3.PoolManager()
for device in master_dict.values():
try:
print("GET request to ", device.ip_address)
r = http.request('GET',
device.ip_address,
timeout=urllib3.Timeout(connect=10.0))
# if device.ip_address in '10.1.13.71/pe/vav2.15.xml':
# print("Max")
master_dict = process_xml(master_dict,
xml_as_obj=r.data.decode("utf-8"),
tag=device.name)
except Exception as e:
# catching all exceptions. Should not be the case
print(e)
logging.warning(e)
continue
return master_dict
def _simple_point_write(self, pointlist, num):
results = []
for point_dict in pointlist:
print("writing ", point_dict['id'])
res = self.session.his_write(point_dict['id'],
{point_dict['ts']: point_dict['val']})
if res.is_failed:
try:
logging.warning(point_dict['id'], 'failed ', res.result)
except pyhaystack.exception.HaystackError as e:
logging.warning(e)
else:
print("completed ", point_dict['id'])
results.append(res)
return num, results
def _data_type_handler(self, value):
new_value = None
if self._point.tags['kind'] == 'Bool':
try:
on_off = value.lower() in ['on', 'off']
if on_off:
new_value = True if value.lower() == 'on' else False
else:
value = int(value)
new_value = value > 0
except AttributeError:
if value:
new_value = value > 0
elif self._point.tags['kind'] == 'Number':
try:
new_value = float(value)
except (TypeError, ValueError):
new_value = 0
logging.warning(
f"{self._point.id} has a data type mismatch. "
f"Kind is {self._point.tags['kind']}, value is {value}")
return new_value if new_value is not None else value
def write_point_val(self, equip_name, point_name, time, value):
"""
The master function in the SkySpark class. It writes the value to the specified measurement point
:param equip_name: The name of the equipment
:param point_name: The name of the measurement point
:param time: The time of the value being written
:param value: The value to write
:return: None
"""
# only fetch the equipment if it is different than the last point write. To save time
self._check_equip(equip_name)
try:
self._set_point(point_name)
res = self._write_point(time, value)
if res.is_failed:
logging.warning('Error writing point: ', equip_name,
point_name)
return res
except AttributeError:
print('Point wasnt written: ', equip_name, point_name)
return 0.
def _set_point(self, point_name):
"""
Fetching the point (measurement) object.
:param point_name: the name of the measurement point. Needs to be exact
:return: a measurement object
"""
point_list = list(
self._equip.find_entity(
fb.Field('navName') == fb.Scalar(point_name)).result.values())
# if more than 1 point is returned with the given name, there is an issue. point names must be unique
if len(point_list) > 1:
logging.warning(
"More than one value was returned for a point name of ",
point_name)
# catches if the point doesn't exist on the point
elif len(point_list) < 1:
logging.warning("the point name doesn't exist on the equipment %s",
point_name)
raise AttributeError
self._point = point_list[0]