def get_BOM_data():
# Get all sites that have vrm id
sites = Sesh_Site.objects.exclude(vrm_site_id__isnull=True).exclude(vrm_site_id__exact='')
logger.info("Running VRM data collection")
for site in sites:
logger.debug("Getting VRM data for %s"%site)
try:
v_client = VictronAPI(site.vrm_account.vrm_user_id,site.vrm_account.vrm_password)
if v_client.IS_INITIALIZED:
bat_data = v_client.get_battery_stats(int(site.vrm_site_id))
sys_data = v_client.get_system_stats(int(site.vrm_site_id))
#This data is already localazied
logger.debug("got raw date %s with timezone %s"%(
sys_data['VE.Bus state']['timestamp'],
site.time_zone
))
date = time_utils.epoch_to_datetime(float(sys_data['VE.Bus state']['timestamp']) , tz=site.time_zone)
#logger.debug("saving before localize BOM data point with time %s"%date)
logger.debug("saving BOM data point with time %s"%date)
mains = False
#check if we have an output voltage on inverter input. Indicitave of if mains on
if sys_data['Input voltage phase 1']['valueFloat'] > 0:
mains = True
data_point = BoM_Data_Point(
site = site,
time = date,
soc = bat_data.get('Battery State of Charge (System)',{}).get('valueFloat',0),
battery_voltage = bat_data.get('Battery voltage',{}).get('valueFloat',0),
AC_Voltage_in = sys_data['Input voltage phase 1']['valueFloat'],
AC_Voltage_out = sys_data['Output voltage phase 1']['valueFloat'],
AC_input = sys_data['Input power 1']['valueFloat'],
AC_output = sys_data['Output power 1']['valueFloat'],
AC_output_absolute = float(sys_data['Output power 1']['valueFloat']) +
float(sys_data.get('PV - AC-coupled on output L1',{}).get('valueFloat',0)),
AC_Load_in = sys_data['Input current phase 1']['valueFloat'],
AC_Load_out = sys_data['Output current phase 1']['valueFloat'],
inverter_state = sys_data['VE.Bus state']['nameEnum'],
pv_production = sys_data.get('PV - AC-coupled on output L1',{}).get('valueFloat',0),
#TODO these need to be activated
genset_state = 0,
main_on = mains,
relay_state = 0,
)
with transaction.atomic():
data_point.save()
# Send to influx
send_to_influx(data_point, site, date, to_exclude=['time'])
# Alert if check(data_point) fails
except IntegrityError, e:
logger.debug("Duplicate entry skipping data point")
pass
except KeyError, e:
logger.warning("Sites %s is missing key while getting vrm data%s"%(site,e))
def get_user_sites(vrm_user_id, vrm_password):
"""
Import user sites from VRM
"""
context_dict = {}
site_list = []
flatten_list = []
v = VictronAPI(vrm_user_id,vrm_password)
if v.IS_INITIALIZED:
logger.debug("victron API is initialized ")
sites = v.get_site_list()
logger.info("Found sites %s "%sites)
site_list.append(sites)
if site_list:
#make list of lists flat
flatten_list = reduce(lambda x,y: x+y,site_list)
context_dict['sites'] = flatten_list
return context_dict
class VRM_Import_TestCase(TestCase):
@override_settings(DEBUG=True)
def setUp(self):
self.VRM = VRM_Account.objects.create(
vrm_user_id='*****@*****.**', vrm_password="******")
# Setup Influx
self._influx_db_name = 'test_db'
self.i = Influx(database=self._influx_db_name)
self.no_points = 288
try:
self.i.create_database(self._influx_db_name)
#Generate random data points for 24h
except Exception, e:
print e
self.i.delete_database(self._influx_db_name)
sleep(1)
self.i.create_database(self._influx_db_name)
pass
self.VRM_API = VictronAPI(self.VRM.vrm_user_id, self.VRM.vrm_password)
if self.VRM_API.IS_INITIALIZED:
sites = self.VRM_API.SYSTEMS_IDS
print sites
if len(sites) > 1:
self.vrm_site_id = sites[0][0]
self.location = Geoposition(52.5, 24.3)
self.now = timezone.now()
self.start_date = self.now - timedelta(days=2)
self.site = Sesh_Site.objects.create(site_name=u"Test_aggregate",
comission_date=self.start_date,
location_city=u"kigali",
location_country=u"rwanda",
vrm_account=self.VRM,
installed_kw=123.0,
position=self.location,
system_voltage=12,
number_of_panels=12,
vrm_site_id=self.vrm_site_id,
battery_bank_capacity=12321,
has_genset=True,
has_grid=True,
has_pv=True)
#create test user
self.test_user = Sesh_User.objects.create_user(username="******",
email="*****@*****.**",
password="******")
#assign a user to the sites
assign_perm("view_Sesh_Site", self.test_user, self.site)
def get_BOM_data():
"""
Get data related to system voltage, SoC, battery voltage through Victro VRM portal
"""
sites = Sesh_Site.objects.all()
for site in sites:
v_client = VictronAPI(site.vrm_user_id,site.vrm_password)
#TODO figure out a way to get these automatically or add
#them manually to the model for now
#Also will the user have site's under thier account that they wouldn't like to pull data form?
#This will throw an error when the objects are getting created
for site_id in v_client.SYSTEMS_IDS:
print "##### system id's %s out of %s"%(site_id,v_client.SYSTEMS_IDS)
bat_data = v_client.get_battery_stats(site_id[0])
sys_data = v_client.get_system_stats(site_id[0])
date = time_utils.epoch_to_datetime(sys_data['VE.Bus state']['timestamp'] )
print bat_data.keys()
print sys_data
data_point = BoM_Data_Point(
site = site,
time = date,
soc = bat_data['Battery State of Charge (System)']['valueFloat'],
battery_voltage = bat_data['Battery voltage']['valueFloat'],
AC_input = sys_data['Input power 1']['valueFloat'],
AC_output = sys_data['Output power 1']['valueFloat'],
AC_Load_in = sys_data['Input current phase 1']['valueFloat'],
AC_Load_out = sys_data['Output current phase 1']['valueFloat'],
inverter_state = sys_data['VE.Bus state']['nameEnum'],
#TODO these need to be activated
genset_state = "off",
relay_state = "off",
)
data_point.save()
#TODO get bulk historical data with enphase and weather
print "BoM Data saved"
def get_BOM_data():
# Get all sites that have vrm id
sites = Sesh_Site.objects.exclude(vrm_site_id__isnull=True).exclude(
vrm_site_id__exact='')
logger.info("Running VRM data collection")
for site in sites:
logger.debug("Getting VRM data for %s" % site)
v_client = VictronAPI(site.vrm_account.vrm_user_id,
site.vrm_account.vrm_password)
bat_data = {}
sys_data = {}
pv_data = {}
try:
if v_client.IS_INITIALIZED:
if site.has_batteries:
bat_data = v_client.get_battery_stats(int(
site.vrm_site_id))
if site.has_pv:
pv_data = v_client.get_pv_stats(int(site.vrm_site_id))
sys_data = v_client.get_system_stats(int(site.vrm_site_id))
#This data is already localazied
logger.debug("got raw date %s with timezone %s" %
(sys_data.get('VE.Bus state', {}).get(
'timestamp', 0), site.time_zone))
date = time_utils.epoch_to_datetime(float(
sys_data.get('VE.Bus state', {}).get('timestamp', 0)),
tz=site.time_zone)
if not date:
date = timezone.now()
#logger.debug("saving before localize BOM data point with time %s"%date)
data_point = BoM_Data_Point(site=site, time=date)
logger.debug("saving BOM data point with time %s" % date)
mains = False
#check if we have an output voltage on inverter input. Indicitave of if mains on
if sys_data.get('Input voltage phase 1',
{}).get('valueFloat') > 0:
mains = True
data_point = BoM_Data_Point(site=site, time=date)
data_point.soc = bat_data.get(
'Battery State of Charge (System)',
{}).get('valueFloat', 0)
data_point.battery_voltage = bat_data.get(
'Battery voltage', {}).get('valueFloat', 0)
data_point.battery_current = bat_data.get(
'Battery current', {}).get('valueFloat', 0)
data_point.AC_Voltage_in = sys_data.get(
'Input voltage phase 1', {}).get('valueFloat', 0)
data_point.AC_Voltage_out = sys_data.get(
'Output voltage phase 1', {}).get('valueFloat', 0)
data_point.AC_input = sys_data.get('Input power 1',
{}).get('valueFloat', 0)
data_point.AC_output = sys_data.get('Output power 1',
{}).get('valueFloat', 0)
data_point.AC_output_absolute = float(
sys_data.get('Output power 1', {}).get('valueFloat', 0) +
float(
sys_data.get('PV - AC-coupled on output L1', {}).get(
'valueFloat', 0)))
data_point.AC_Load_in = sys_data.get('Input current phase 1',
{}).get('valueFloat', 0)
data_point.AC_Load_out = sys_data.get('Output current phase 1',
{}).get('valueFloat', 0)
data_point.inverter_state = sys_data.get('VE.Bus state',
{}).get(
'nameEnum', '')
data_point.relay_state = 0
# Does the ste have PV?
if site.has_pv:
# AC coupled or DC coupled
if sys_data.get('PV - AC-coupled on output L1',
{}).get('valueFloat', 0):
data_point.pv_production = sys_data.get(
'PV - AC-coupled on output L1',
{}).get('valueFloat', 0) # For AC coupled systems
else:
data_point.pv_production = pv_data.get(
'PV - DC-coupled', {}).get('valueFloat', 0)
#TODO these need to be activated
data_point.genset_state = 0
data_point.main_on = mains
with transaction.atomic():
data_point.save()
# Send to influx
send_to_influx(data_point, site, date, to_exclude=['time'])
except IntegrityError, e:
logger.debug("Duplicate entry skipping data point")
pass
except Exception, e:
message = "error with geting site %s data exception %s" % (site, e)
logger.exception("error with geting site %s data exception" % site)
handle_task_failure(message=message,
exception=e,
name='get_BOM_data')
pass