def addSetting(self, path, value, _min, _max, silent=False, callback=None):
busitem = VeDbusItemImport(self._bus, self._dbus_name, path, callback)
if busitem.exists and busitem._proxy.GetSilent() == silent:
logging.debug("Setting %s found" % path)
else:
logging.info("Setting %s does not exist yet or must be adjusted" %
path)
# Prepare to add the setting. Most dbus types extend the python
# type so it is only necessary to additionally test for Int64.
if isinstance(value, (int, dbus.Int64)):
itemType = 'i'
elif isinstance(value, float):
itemType = 'f'
else:
itemType = 's'
# Add the setting
# TODO, make an object that inherits VeDbusItemImport, and complete the D-Bus settingsitem interface
settings_item = VeDbusItemImport(self._bus,
self._dbus_name,
'/Settings',
createsignal=False)
setting_path = path.replace('/Settings/', '', 1)
if silent:
settings_item._proxy.AddSilentSetting('', setting_path, value,
itemType, _min, _max)
else:
settings_item._proxy.AddSetting('', setting_path, value,
itemType, _min, _max)
busitem = VeDbusItemImport(self._bus, self._dbus_name, path,
callback)
return busitem
def _evaluate_if_we_are_needed(self):
if self._dbusmonitor.get_value('com.victronenergy.settings', '/Settings/Relay/Function') == 3:
if self._dbusservice is None:
logger.info('Action! Going on dbus and taking control of the relay.')
relay_polarity_import = VeDbusItemImport(
bus=self._bus, serviceName='com.victronenergy.settings',
path='/Settings/Relay/Polarity',
eventCallback=None, createsignal=True)
if not self._relay_state_import:
logger.info('Getting relay from systemcalc.')
try:
self._relay_state_import = VeDbusItemImport(
bus=self._bus, serviceName='com.victronenergy.system',
path='/Relay/0/State',
eventCallback=None, createsignal=True)
except dbus.exceptions.DBusException:
logger.info('Systemcalc relay not available.')
self._relay_state_import = None
pass
# As is not possible to keep the relay state during the CCGX power cycles,
# set the relay polarity to normally open.
if relay_polarity_import.get_value() == 1:
relay_polarity_import.set_value(0)
logger.info('Setting relay polarity to normally open.')
# put ourselves on the dbus
self._dbusservice = VeDbusService('com.victronenergy.pump.startstop0')
self._dbusservice.add_mandatory_paths(
processname=__file__,
processversion=softwareversion,
connection='pump',
deviceinstance=0,
productid=None,
productname=None,
firmwareversion=None,
hardwareversion=None,
connected=1)
# State: None = invalid, 0 = stopped, 1 = running
self._dbusservice.add_path('/State', value=0)
self._dbusservice.add_path('/AvailableTankServices', value=None)
self._dbusservice.add_path('/ActiveTankService', value=None)
self._update_relay()
self._handleservicechange()
else:
if self._dbusservice is not None:
self._stop_pump()
self._dbusservice.__del__()
self._dbusservice = None
self._relay_state_import = None
logger.info('Relay function is no longer set to pump startstop: made sure pump is off and going off dbus')
def __init__(self, fpath, bus, serviceName, metrics):
self.metrics = metrics
self.metric_imports = {}
self.metric_values = {}
self.bus = bus
self.fpath = os.path.join(os.path.dirname(fpath),
"by-minute-%s" % os.path.basename(fpath))
if os.path.isfile(fpath):
self.tf = TeaFile.openwrite(fpath)
else:
logging.debug('%s: fields=%s types=%s' % (fpath, ' '.join(
[m.name()
for m in metrics]), ''.join([m.datatype() for m in metrics])))
now = time.gmtime()
self.tf = TeaFile.create(fpath,
' '.join([m.name() for m in metrics]),
''.join([m.datatype() for m in metrics]),
serviceName, {
'year': now.tm_year,
'month': now.tm_mon,
'day': now.tm_mday,
})
self.startdate = datetime.date(
int(self.tf.description.namevalues['year']),
int(self.tf.description.namevalues['month']),
int(self.tf.description.namevalues['day']))
for m in metrics:
logging.debug("Watch %s%s" % (serviceName, m.path()))
self.metric_imports[m.path()] = VeDbusItemImport(
self.bus, serviceName, m.path(),
lambda x, y, z: self.import_value_changed(m, x, y, z))
self.install_update()
def __init__(self, bus, supportedSettings, eventCallback, name='com.victronenergy.settings', timeout=0):
logging.debug("===== Settings device init starting... =====")
self._bus = bus
self._dbus_name = name
self._eventCallback = eventCallback
self._supportedSettings = supportedSettings
self._values = {} # stored the values, used to pass the old value along on a setting change
self._settings = {}
count = 0
while True:
if 'com.victronenergy.settings' in self._bus.list_names():
break
if count == timeout:
raise Exception("The settings service com.victronenergy.settings does not exist!")
count += 1
logging.info('waiting for settings')
time.sleep(1)
# Add the items.
for setting, options in self._supportedSettings.items():
busitem = VeDbusItemImport(self._bus, self._dbus_name, options[PATH], self.handleChangedSetting)
if busitem.exists:
logging.debug("Setting %s found" % options[PATH])
else:
logging.info("Setting %s does not exist yet, adding it" % options[PATH])
# Prepare to add the setting.
path = options[PATH].replace('/Settings/', '', 1)
value = options[VALUE]
if type(value) == int or type(value) == dbus.Int16 or type(value) == dbus.Int32 or type(value) == dbus.Int64:
itemType = 'i'
elif type(value) == float or type(value) == dbus.Double:
itemType = 'f'
else:
itemType = 's'
# Add the setting
# TODO, make an object that inherits VeDbusItemImport, and complete the D-Bus settingsitem interface
VeDbusItemImport(self._bus, self._dbus_name, '/Settings', createsignal=False)._proxy.AddSetting('', path, value, itemType, options[MINIMUM], options[MAXIMUM])
busitem = VeDbusItemImport(self._bus, self._dbus_name, options[PATH], self.handleChangedSetting)
self._settings[setting] = busitem
self._values[setting] = busitem.get_value()
logging.debug("===== Settings device init finished =====")
def setvalues(self, inputpower):
VeDbusItemImport(
bus=self.bus,
serviceName=self.DbusServices['AcSetpoint']['Service'],
path=self.DbusServices['AcSetpoint']['Path'],
eventCallback=None,
createsignal=False).set_value(inputpower)
def setrelay(self, relayvalue):
VeDbusItemImport(
bus=self.bus,
serviceName=self.DbusServices['CCGXRelay']['Service'],
path=self.DbusServices['CCGXRelay']['Path'],
eventCallback=None,
createsignal=False).set_value(relayvalue)
def _add_setting(self,
group,
setting,
value,
type,
minimum,
maximum,
rpc_name='AddSetting'):
item = VeDbusItemImport(self._dbus,
'com.victronenergy.settings',
'/Settings',
createsignal=False)
return item._proxy.get_dbus_method(rpc_name)(group, setting, value,
type, minimum, maximum)
def add_new_setting_creates_signal(self, rpc_name='AddSetting'):
details = {
'group': 'g',
'setting': 's',
'value': 100,
'type': 'i',
'min': 0,
'max': 0
}
monitor = VeDbusItemImport(self._dbus,
'com.victronenergy.settings',
'/Settings/' + details['group'] + '/' +
details['setting'],
eventCallback=self._call_me,
createsignal=True)
self.updateSettingsStamp()
self._add_setting(details['group'], details['setting'],
details['value'], details['type'], details['min'],
details['max'])
self.waitForSettingsStored()
# restart localsettings
self._stopLocalSettings()
self._startLocalSettings()
# manually iterate the mainloop
main_context = GLib.MainContext.default()
while main_context.pending():
main_context.iteration(False)
self.assertEqual(self._called, [
'com.victronenergy.settings',
'/Settings/' + details['group'] + '/' + details['setting'], {
'Text': '100',
'Value': 100,
'Min': 0,
'Max': 0,
'Default': 100
}
])
def getvalues(self): for service in self.DbusServices: try: self.DbusServices[service]['Value'] = VeDbusItemImport( bus=self.bus, serviceName=self.DbusServices[service]['Service'], path=self.DbusServices[service]['Path'], eventCallback=None, createsignal=False).get_value() # print 'New value of ', self.DbusServices[service]['Value'], 'for', service except dbus.DBusException: print 'Error with DBus' print service try: self.DbusServices[service]['Value'] *= 1 self.DbusServices[service]['Value'] = max(self.DbusServices[service]['Value'], -5000) except: if service == 'L1Power' or service == 'L2Power' or service == 'L3Power': self.DbusServices[service]['Value'] = 0
def test_change_max_creates_signal(self):
details = {
'group': 'g',
'setting': 'f',
'value': 103.0,
'type': 'f',
'min': 2.0,
'max': 1002.0
}
self._called = []
monitor = VeDbusItemImport(self._dbus,
'com.victronenergy.settings',
'/Settings/' + details['group'] + '/' +
details['setting'],
eventCallback=self._call_me,
createsignal=True)
self._add_setting(details['group'], details['setting'],
details['value'], details['type'], details['min'],
details['max'])
# manually iterate the mainloop
main_context = GLib.MainContext.default()
while main_context.pending():
main_context.iteration(False)
self.assertEqual(self._called, [
'com.victronenergy.settings',
'/Settings/' + details['group'] + '/' + details['setting'], {
'Default': 103.0,
'Text': '103.0',
'Min': '2.0',
'Max': '1002.0',
'Value': 103
}
])
def __init__(self,
bus,
supportedSettings,
eventCallback,
name='com.victronenergy.settings',
timeout=0):
logging.debug("===== Settings device init starting... =====")
self._bus = bus
self._dbus_name = name
self._eventCallback = eventCallback
self._supportedSettings = supportedSettings
self._values = {
} # stored the values, used to pass the old value along on a setting change
self._settings = {}
count = 0
while True:
if 'com.victronenergy.settings' in self._bus.list_names():
break
if count == timeout:
raise Exception(
"The settings service com.victronenergy.settings does not exist!"
)
count += 1
logging.info('waiting for settings')
time.sleep(1)
# Add the items.
for setting, options in self._supportedSettings.items():
busitem = VeDbusItemImport(self._bus, self._dbus_name,
options[PATH],
self.handleChangedSetting)
silent = len(options) > SILENT and options[SILENT]
if busitem.exists and busitem._proxy.GetSilent() == silent:
logging.debug("Setting %s found" % options[PATH])
else:
logging.info(
"Setting %s does not exist yet or must be adjusted" %
options[PATH])
# Prepare to add the setting.
path = options[PATH].replace('/Settings/', '', 1)
value = options[VALUE]
if type(value) == int or type(value) == dbus.Int16 or type(
value) == dbus.Int32 or type(value) == dbus.Int64:
itemType = 'i'
elif type(value) == float or type(value) == dbus.Double:
itemType = 'f'
else:
itemType = 's'
# Add the setting
# TODO, make an object that inherits VeDbusItemImport, and complete the D-Bus settingsitem interface
settings_item = VeDbusItemImport(self._bus,
self._dbus_name,
'/Settings',
createsignal=False)
if silent:
settings_item._proxy.AddSilentSetting(
'', path, value, itemType, options[MINIMUM],
options[MAXIMUM])
else:
settings_item._proxy.AddSetting('', path, value, itemType,
options[MINIMUM],
options[MAXIMUM])
busitem = VeDbusItemImport(self._bus, self._dbus_name,
options[PATH],
self.handleChangedSetting)
self._settings[setting] = busitem
self._values[setting] = busitem.get_value()
logging.debug("===== Settings device init finished =====")
def add_new_settings_and_readback(self, rpc_name='AddSetting'):
from collections import OrderedDict
testsets = OrderedDict()
testsets['int-no-min-max'] = {
'group': 'g',
'setting': 'in',
'default': 100,
'value': 100,
'type': 'i',
'min': 0,
'max': 0
}
testsets['int-with-min-max'] = {
'group': 'g',
'setting': 'iw',
'default': 101,
'value': 101,
'type': 'i',
'min': 0,
'max': 101
}
# float-no-min-max doesn't work, because localsettings does not recognize 0.0 and 0.0 as no min max, only 0 and 0 works.
# testsets['float-no-min-max'] = {'group': 'g', 'setting': 'f', 'default': 102.0, 'value': 102.0, 'type': 'f', 'min': 0.0, 'max': 0.0}
testsets['float-with-min-max'] = {
'group': 'g',
'setting': 'f',
'default': 103.0,
'value': 103.0,
'type': 'f',
'min': 0.0,
'max': 1000.0
}
testsets['start-group-with-digit'] = {
'group': '0g',
'setting': 's',
'default': 104,
'value': 104,
'type': 'i',
'min': 0,
'max': 0
}
testsets['start-setting-with-digit'] = {
'group': 'g',
'setting': '0s',
'default': 105,
'value': 105,
'type': 'i',
'min': 0,
'max': 0
}
testsets['int-re-add-same-min-max'] = {
'group': 'g',
'setting': 'in',
'default': 200,
'value': 100,
'type': 'i',
'min': 0,
'max': 0
}
testsets['int-re-add-other-min-max'] = {
'group': 'g',
'setting': 'in',
'default': 201,
'value': 100,
'type': 'i',
'min': 10,
'max': 1000
}
testsets['float-re-add-other-min-max'] = {
'group': 'g',
'setting': 'f',
'default': 103.0,
'value': 103.0,
'type': 'f',
'min': 1.0,
'max': 1001.0
}
for name, details in testsets.iteritems():
print "\n\n===Testing %s===\n" % name
self.updateSettingsStamp()
setting = details['setting'] + '/' + rpc_name
self.assertEqual(
0,
self._add_setting(details['group'],
setting,
details['default'],
details['type'],
details['min'],
details['max'],
rpc_name=rpc_name))
self.waitForSettingsStored()
# restart localsettings
self._stopLocalSettings()
self._startLocalSettings()
# read the results
i = VeDbusItemImport(self._dbus,
'com.victronenergy.settings',
'/Settings/' + details['group'] + '/' +
setting,
eventCallback=None,
createsignal=False)
result = copy.deepcopy(details)
result['value'] = i.get_value().real
result['default'] = i._proxy.GetDefault().real
# don't ask me why, but getMin() and getMax() return a string...
result['min'] = int(
i._proxy.GetMin()) if details['type'] == 'i' else float(
i._proxy.GetMin())
result['max'] = int(
i._proxy.GetMax()) if details['type'] == 'i' else float(
i._proxy.GetMax())
# don't check the type, as there is no GetType() available
# result['type'] = i._proxy.GetType()
self.assertEqual(details, result)
class DbusGenerator:
def __init__(self, retries=300):
self._bus = dbus.SystemBus() if (
platform.machine() == 'armv7l' or 'DBUS_SESSION_BUS_ADDRESS'
not in environ) else dbus.SessionBus()
self.RELAY_GPIO_FILE = '/sys/class/gpio/gpio182/value'
self.HISTORY_DAYS = 30
# One second per retry
self.RETRIES_ON_ERROR = retries
self._testrun_soc_retries = 0
self._last_counters_check = 0
self._dbusservice = None
self._starttime = 0
self._manualstarttimer = 0
self._last_runtime_update = 0
self._timer_runnning = 0
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
self._battery_measurement_available = True
self._vebusservice_high_temperature_import = None
self._vebusservice_overload_import = None
self._vebusservice = None
self._vebusservice_available = False
self._relay_state_import = None
self._condition_stack = {
'batteryvoltage': {
'name': 'batteryvoltage',
'reached': False,
'boolean': False,
'timed': True,
'start_timer': 0,
'stop_timer': 0,
'valid': True,
'enabled': False,
'retries': 0,
'monitoring': 'battery'
},
'batterycurrent': {
'name': 'batterycurrent',
'reached': False,
'boolean': False,
'timed': True,
'start_timer': 0,
'stop_timer': 0,
'valid': True,
'enabled': False,
'retries': 0,
'monitoring': 'battery'
},
'acload': {
'name': 'acload',
'reached': False,
'boolean': False,
'timed': True,
'start_timer': 0,
'stop_timer': 0,
'valid': True,
'enabled': False,
'retries': 0,
'monitoring': 'vebus'
},
'inverterhightemp': {
'name': 'inverterhightemp',
'reached': False,
'boolean': True,
'timed': True,
'start_timer': 0,
'stop_timer': 0,
'valid': True,
'enabled': False,
'retries': 0,
'monitoring': 'vebus'
},
'inverteroverload': {
'name': 'inverteroverload',
'reached': False,
'boolean': True,
'timed': True,
'start_timer': 0,
'stop_timer': 0,
'valid': True,
'enabled': False,
'retries': 0,
'monitoring': 'vebus'
},
'soc': {
'name': 'soc',
'reached': False,
'boolean': False,
'timed': False,
'valid': True,
'enabled': False,
'retries': 0,
'monitoring': 'battery'
}
}
# DbusMonitor expects these values to be there, even though we don need them. So just
# add some dummy data. This can go away when DbusMonitor is more generic.
dummy = {
'code': None,
'whenToLog': 'configChange',
'accessLevel': None
}
# TODO: possible improvement: don't use the DbusMonitor it all, since we are only monitoring
# a set of static values which will always be available. DbusMonitor watches for services
# that come and go, and takes care of automatic signal subscribtions etc. etc: all not necessary
# in this use case where we have fixed services names (com.victronenergy.settings, and c
# com.victronenergy.system).
self._dbusmonitor = DbusMonitor({
'com.victronenergy.settings': { # This is not our setting so do it here. not in supportedSettings
'/Settings/Relay/Function': dummy,
'/Settings/Relay/Polarity': dummy,
'/Settings/System/TimeZone': dummy,
},
'com.victronenergy.system': { # This is not our setting so do it here. not in supportedSettings
'/Ac/Consumption/Total/Power': dummy,
'/Ac/PvOnOutput/Total/Power': dummy,
'/Ac/PvOnGrid/Total/Power': dummy,
'/Ac/PvOnGenset/Total/Power': dummy,
'/Dc/Pv/Power': dummy,
'/AutoSelectedBatteryMeasurement': dummy,
}
}, self._dbus_value_changed, self._device_added, self._device_removed)
# Set timezone to user selected timezone
environ['TZ'] = self._dbusmonitor.get_value(
'com.victronenergy.settings', '/Settings/System/TimeZone')
# Connect to localsettings
self._settings = SettingsDevice(
bus=self._bus,
supportedSettings={
'autostart':
['/Settings/Generator0/AutoStartEnabled', 1, 0, 1],
'accumulateddaily':
['/Settings/Generator0/AccumulatedDaily', '', 0, 0],
'accumulatedtotal':
['/Settings/Generator0/AccumulatedTotal', 0, 0, 0],
'batterymeasurement':
['/Settings/Generator0/BatteryService', "default", 0, 0],
'minimumruntime':
['/Settings/Generator0/MinimumRuntime', 0, 0,
86400], # minutes
# On permanent loss of communication: 0 = Stop, 1 = Start, 2 = keep running
'onlosscommunication':
['/Settings/Generator0/OnLossCommunication', 0, 0, 2],
# Quiet hours
'quiethoursenabled':
['/Settings/Generator0/QuietHours/Enabled', 0, 0, 1],
'quiethoursstarttime':
['/Settings/Generator0/QuietHours/StartTime', 75600, 0, 86400],
'quiethoursendtime':
['/Settings/Generator0/QuietHours/EndTime', 21600, 0, 86400],
# SOC
'socenabled': ['/Settings/Generator0/Soc/Enabled', 0, 0, 1],
'socstart':
['/Settings/Generator0/Soc/StartValue', 90, 0, 100],
'socstop': ['/Settings/Generator0/Soc/StopValue', 90, 0, 100],
'qh_socstart':
['/Settings/Generator0/Soc/QuietHoursStartValue', 90, 0, 100],
'qh_socstop':
['/Settings/Generator0/Soc/QuietHoursStopValue', 90, 0, 100],
# Voltage
'batteryvoltageenabled': [
'/Settings/Generator0/BatteryVoltage/Enabled', 0, 0, 1
],
'batteryvoltagestart': [
'/Settings/Generator0/BatteryVoltage/StartValue', 11.5, 0,
150
],
'batteryvoltagestop': [
'/Settings/Generator0/BatteryVoltage/StopValue', 12.4, 0,
150
],
'batteryvoltagestarttimer': [
'/Settings/Generator0/BatteryVoltage/StartTimer', 20, 0,
10000
],
'batteryvoltagestoptimer': [
'/Settings/Generator0/BatteryVoltage/StopTimer', 20, 0,
10000
],
'qh_batteryvoltagestart': [
'/Settings/Generator0/BatteryVoltage/QuietHoursStartValue',
11.9, 0, 100
],
'qh_batteryvoltagestop': [
'/Settings/Generator0/BatteryVoltage/QuietHoursStopValue',
12.4, 0, 100
],
# Current
'batterycurrentenabled': [
'/Settings/Generator0/BatteryCurrent/Enabled', 0, 0, 1
],
'batterycurrentstart': [
'/Settings/Generator0/BatteryCurrent/StartValue', 10.5,
0.5, 1000
],
'batterycurrentstop': [
'/Settings/Generator0/BatteryCurrent/StopValue', 5.5, 0,
1000
],
'batterycurrentstarttimer': [
'/Settings/Generator0/BatteryCurrent/StartTimer', 20, 0,
10000
],
'batterycurrentstoptimer': [
'/Settings/Generator0/BatteryCurrent/StopTimer', 20, 0,
10000
],
'qh_batterycurrentstart': [
'/Settings/Generator0/BatteryCurrent/QuietHoursStartValue',
20.5, 0, 1000
],
'qh_batterycurrentstop': [
'/Settings/Generator0/BatteryCurrent/QuietHoursStopValue',
15.5, 0, 1000
],
# AC load
'acloadenabled': [
'/Settings/Generator0/AcLoad/Enabled', 0, 0, 1
],
'acloadstart': [
'/Settings/Generator0/AcLoad/StartValue', 1600, 5, 100000
],
'acloadstop': [
'/Settings/Generator0/AcLoad/StopValue', 800, 0, 100000
],
'acloadstarttimer': [
'/Settings/Generator0/AcLoad/StartTimer', 20, 0, 10000
],
'acloadstoptimer': [
'/Settings/Generator0/AcLoad/StopTimer', 20, 0, 10000
],
'qh_acloadstart': [
'/Settings/Generator0/AcLoad/QuietHoursStartValue', 1900,
0, 100000
],
'qh_acloadstop': [
'/Settings/Generator0/AcLoad/QuietHoursStopValue', 1200, 0,
100000
],
# VE.Bus high temperature
'inverterhightempenabled': [
'/Settings/Generator0/InverterHighTemp/Enabled', 0, 0, 1
],
'inverterhightempstarttimer': [
'/Settings/Generator0/InverterHighTemp/StartTimer', 20, 0,
10000
],
'inverterhightempstoptimer': [
'/Settings/Generator0/InverterHighTemp/StopTimer', 20, 0,
10000
],
# VE.Bus overload
'inverteroverloadenabled': [
'/Settings/Generator0/InverterOverload/Enabled', 0, 0, 1
],
'inverteroverloadstarttimer': [
'/Settings/Generator0/InverterOverload/StartTimer', 20, 0,
10000
],
'inverteroverloadstoptimer': [
'/Settings/Generator0/InverterOverload/StopTimer', 20, 0,
10000
],
# TestRun
'testrunenabled': [
'/Settings/Generator0/TestRun/Enabled', 0, 0, 1
],
'testrunstartdate': [
'/Settings/Generator0/TestRun/StartDate',
time.time(), 0, 10000000000.1
],
'testrunstarttimer': [
'/Settings/Generator0/TestRun/StartTime', 54000, 0, 86400
],
'testruninterval': [
'/Settings/Generator0/TestRun/Interval', 28, 1, 365
],
'testrunruntime': [
'/Settings/Generator0/TestRun/Duration', 7200, 1, 86400
],
'testrunskipruntime': [
'/Settings/Generator0/TestRun/SkipRuntime', 0, 0, 100000
],
'testruntillbatteryfull': [
'/Settings/Generator0/TestRun/RunTillBatteryFull', 0, 0, 1
]
},
eventCallback=self._handle_changed_setting)
# Whenever services come or go, we need to check if it was a service we use. Note that this
# is a bit double: DbusMonitor does the same thing. But since we don't use DbusMonitor to
# monitor for com.victronenergy.battery, .vebus, .charger or any other possible source of
# battery data, it is necessary to monitor for changes in the available dbus services.
self._bus.add_signal_receiver(self._dbus_name_owner_changed,
signal_name='NameOwnerChanged')
self._evaluate_if_we_are_needed()
gobject.timeout_add(1000, self._handletimertick)
self._update_relay()
self._changed = True
def _evaluate_if_we_are_needed(self):
if self._dbusmonitor.get_value('com.victronenergy.settings',
'/Settings/Relay/Function') == 1:
if not self._relay_state_import:
logger.info('Getting relay from systemcalc.')
try:
self._relay_state_import = VeDbusItemImport(
bus=self._bus,
serviceName='com.victronenergy.system',
path='/Relay/0/State',
eventCallback=None,
createsignal=True)
except dbus.exceptions.DBusException:
logger.info('Systemcalc relay not available.')
self._relay_state_import = None
pass
if self._dbusservice is None:
logger.info(
'Action! Going on dbus and taking control of the relay.')
relay_polarity_import = VeDbusItemImport(
bus=self._bus,
serviceName='com.victronenergy.settings',
path='/Settings/Relay/Polarity',
eventCallback=None,
createsignal=True)
# As is not possible to keep the relay state during the CCGX power cycles,
# set the relay polarity to normally open.
if relay_polarity_import.get_value() == 1:
relay_polarity_import.set_value(0)
logger.info('Setting relay polarity to normally open.')
# put ourselves on the dbus
self._dbusservice = VeDbusService(
'com.victronenergy.generator.startstop0')
self._dbusservice.add_mandatory_paths(
processname=__file__,
processversion=softwareversion,
connection='generator',
deviceinstance=0,
productid=None,
productname=None,
firmwareversion=None,
hardwareversion=None,
connected=1)
# State: None = invalid, 0 = stopped, 1 = running
self._dbusservice.add_path('/State', value=0)
# Condition that made the generator start
self._dbusservice.add_path('/RunningByCondition', value='')
# Runtime
self._dbusservice.add_path('/Runtime',
value=0,
gettextcallback=self._gettext)
# Today runtime
self._dbusservice.add_path('/TodayRuntime',
value=0,
gettextcallback=self._gettext)
# Test run runtime
self._dbusservice.add_path(
'/TestRunIntervalRuntime',
value=self._interval_runtime(
self._settings['testruninterval']),
gettextcallback=self._gettext)
# Next tes trun date, values is 0 for test run disabled
self._dbusservice.add_path('/NextTestRun',
value=None,
gettextcallback=self._gettext)
# Next tes trun is needed 1, not needed 0
self._dbusservice.add_path('/SkipTestRun', value=None)
# Manual start
self._dbusservice.add_path('/ManualStart',
value=0,
writeable=True)
# Manual start timer
self._dbusservice.add_path('/ManualStartTimer',
value=0,
writeable=True)
# Silent mode active
self._dbusservice.add_path('/QuietHours', value=0)
self._determineservices()
else:
if self._dbusservice is not None:
self._stop_generator()
self._dbusservice.__del__()
self._dbusservice = None
# Reset conditions
for condition in self._condition_stack:
self._reset_condition(self._condition_stack[condition])
logger.info(
'Relay function is no longer set to generator start/stop: made sure generator is off '
+ 'and now going off dbus')
self._relay_state_import = None
def _device_added(self, dbusservicename, instance):
self._evaluate_if_we_are_needed()
self._determineservices()
def _device_removed(self, dbusservicename, instance):
self._evaluate_if_we_are_needed()
# Relay handling depends on systemcalc, if the service disappears restart
# the relay state import
if dbusservicename == "com.victronenergy.system":
self._relay_state_import = None
self._determineservices()
def _dbus_value_changed(self, dbusServiceName, dbusPath, options, changes,
deviceInstance):
if dbusPath == '/AutoSelectedBatteryMeasurement' and self._settings[
'batterymeasurement'] == 'default':
self._determineservices()
if dbusPath == '/Settings/Relay/Function':
self._evaluate_if_we_are_needed()
self._changed = True
# Update relay state when polarity is changed
if dbusPath == '/Settings/Relay/Polarity':
self._update_relay()
def _handle_changed_setting(self, setting, oldvalue, newvalue):
self._changed = True
self._evaluate_if_we_are_needed()
if setting == 'batterymeasurement':
self._determineservices()
# Reset retries and valid if service changes
for condition in self._condition_stack:
if self._condition_stack[condition]['monitoring'] == 'battery':
self._condition_stack[condition]['valid'] = True
self._condition_stack[condition]['retries'] = 0
if setting == 'autostart':
logger.info('Autostart function %s.' %
('enabled' if newvalue == 1 else 'disabled'))
if self._dbusservice is not None and setting == 'testruninterval':
self._dbusservice[
'/TestRunIntervalRuntime'] = self._interval_runtime(
self._settings['testruninterval'])
def _dbus_name_owner_changed(self, name, oldowner, newowner):
self._determineservices()
def _gettext(self, path, value):
if path == '/NextTestRun':
# Locale format date
d = datetime.datetime.fromtimestamp(value)
return d.strftime('%c')
elif path in ['/Runtime', '/TestRunIntervalRuntime', '/TodayRuntime']:
m, s = divmod(value, 60)
h, m = divmod(m, 60)
return '%dh, %dm, %ds' % (h, m, s)
else:
return value
def _handletimertick(self):
# try catch, to make sure that we kill ourselves on an error. Without this try-catch, there would
# be an error written to stdout, and then the timer would not be restarted, resulting in a dead-
# lock waiting for manual intervention -> not good!
try:
if self._dbusservice is not None:
self._evaluate_startstop_conditions()
self._changed = False
except:
self._stop_generator()
import traceback
traceback.print_exc()
sys.exit(1)
return True
def _evaluate_startstop_conditions(self):
# Conditions will be evaluated in this order
conditions = [
'soc', 'acload', 'batterycurrent', 'batteryvoltage',
'inverterhightemp', 'inverteroverload'
]
start = False
runningbycondition = None
today = calendar.timegm(datetime.date.today().timetuple())
self._timer_runnning = False
values = self._get_updated_values()
connection_lost = False
self._check_quiet_hours()
# New day, register it
if self._last_counters_check < today and self._dbusservice[
'/State'] == 0:
self._last_counters_check = today
self._update_accumulated_time()
# Update current and accumulated runtime.
if self._dbusservice['/State'] == 1:
self._dbusservice['/Runtime'] = int(time.time() - self._starttime)
# By performance reasons, accumulated runtime is only updated
# once per 10s. When the generator stops is also updated.
if self._dbusservice['/Runtime'] - self._last_runtime_update >= 10:
self._update_accumulated_time()
if self._evaluate_manual_start():
runningbycondition = 'manual'
start = True
# Autostart conditions will only be evaluated if the autostart functionality is enabled
if self._settings['autostart'] == 1:
if self._evaluate_testrun_condition():
runningbycondition = 'testrun'
start = True
# Evaluate value conditions
for condition in conditions:
start = self._evaluate_condition(
self._condition_stack[condition],
values[condition]) or start
runningbycondition = condition if start and runningbycondition is None else runningbycondition
# Connection lost is set to true if the numbear of retries of one or more enabled conditions
# >= RETRIES_ON_ERROR
if self._condition_stack[condition]['enabled']:
connection_lost = self._condition_stack[condition][
'retries'] >= self.RETRIES_ON_ERROR
# If none condition is reached check if connection is lost and start/keep running the generator
# depending on '/OnLossCommunication' setting
if not start and connection_lost:
# Start always
if self._settings['onlosscommunication'] == 1:
start = True
runningbycondition = 'lossofcommunication'
# Keep running if generator already started
if self._dbusservice['/State'] == 1 and self._settings[
'onlosscommunication'] == 2:
start = True
runningbycondition = 'lossofcommunication'
if start:
self._start_generator(runningbycondition)
elif (self._dbusservice['/Runtime'] >=
self._settings['minimumruntime'] * 60
or self._dbusservice['/RunningByCondition'] == 'manual'):
self._stop_generator()
def _reset_condition(self, condition):
condition['reached'] = False
if condition['timed']:
condition['start_timer'] = 0
condition['stop_timer'] = 0
def _check_condition(self, condition, value):
name = condition['name']
if self._settings[name + 'enabled'] == 0:
if condition['enabled']:
condition['enabled'] = False
logger.info('Disabling (%s) condition' % name)
condition['retries'] = 0
condition['valid'] = True
self._reset_condition(condition)
return False
elif not condition['enabled']:
condition['enabled'] = True
logger.info('Enabling (%s) condition' % name)
if (condition['monitoring']
== 'battery') and (self._settings['batterymeasurement']
== 'nobattery'):
return False
if value is None and condition['valid']:
if condition['retries'] >= self.RETRIES_ON_ERROR:
logger.info(
'Error getting (%s) value, skipping evaluation till get a valid value'
% name)
self._reset_condition(condition)
self._comunnication_lost = True
condition['valid'] = False
else:
condition['retries'] += 1
if condition['retries'] == 1 or (condition['retries'] %
10) == 0:
logger.info('Error getting (%s) value, retrying(#%i)' %
(name, condition['retries']))
return False
elif value is not None and not condition['valid']:
logger.info('Success getting (%s) value, resuming evaluation' %
name)
condition['valid'] = True
condition['retries'] = 0
# Reset retries if value is valid
if value is not None:
condition['retries'] = 0
return condition['valid']
def _evaluate_condition(self, condition, value):
name = condition['name']
setting = ('qh_'
if self._dbusservice['/QuietHours'] == 1 else '') + name
startvalue = self._settings[setting +
'start'] if not condition['boolean'] else 1
stopvalue = self._settings[setting +
'stop'] if not condition['boolean'] else 0
# Check if the condition has to be evaluated
if not self._check_condition(condition, value):
# If generator is started by this condition and value is invalid
# wait till RETRIES_ON_ERROR to skip the condition
if condition['reached'] and condition[
'retries'] <= self.RETRIES_ON_ERROR:
return True
return False
# As this is a generic evaluation method, we need to know how to compare the values
# first check if start value should be greater than stop value and then compare
start_is_greater = startvalue > stopvalue
# When the condition is already reached only the stop value can set it to False
start = condition['reached'] or (
value >= startvalue if start_is_greater else value <= startvalue)
stop = value <= stopvalue if start_is_greater else value >= stopvalue
# Timed conditions must start/stop after the condition has been reached for a minimum
# time.
if condition['timed']:
if not condition['reached'] and start:
condition['start_timer'] += time.time(
) if condition['start_timer'] == 0 else 0
start = time.time(
) - condition['start_timer'] >= self._settings[name +
'starttimer']
condition['stop_timer'] *= int(not start)
self._timer_runnning = True
else:
condition['start_timer'] = 0
if condition['reached'] and stop:
condition['stop_timer'] += time.time(
) if condition['stop_timer'] == 0 else 0
stop = time.time() - condition['stop_timer'] >= self._settings[
name + 'stoptimer']
condition['stop_timer'] *= int(not stop)
self._timer_runnning = True
else:
condition['stop_timer'] = 0
condition['reached'] = start and not stop
return condition['reached']
def _evaluate_manual_start(self):
if self._dbusservice['/ManualStart'] == 0:
if self._dbusservice['/RunningByCondition'] == 'manual':
self._dbusservice['/ManualStartTimer'] = 0
return False
start = True
# If /ManualStartTimer has a value greater than zero will use it to set a stop timer.
# If no timer is set, the generator will not stop until the user stops it manually.
# Once started by manual start, each evaluation the timer is decreased
if self._dbusservice['/ManualStartTimer'] != 0:
self._manualstarttimer += time.time(
) if self._manualstarttimer == 0 else 0
self._dbusservice['/ManualStartTimer'] -= int(time.time()) - int(
self._manualstarttimer)
self._manualstarttimer = time.time()
start = self._dbusservice['/ManualStartTimer'] > 0
self._dbusservice['/ManualStart'] = int(start)
# Reset if timer is finished
self._manualstarttimer *= int(start)
self._dbusservice['/ManualStartTimer'] *= int(start)
return start
def _evaluate_testrun_condition(self):
if self._settings['testrunenabled'] == 0:
self._dbusservice['/SkipTestRun'] = None
self._dbusservice['/NextTestRun'] = None
return False
today = datetime.date.today()
runtillbatteryfull = self._settings['testruntillbatteryfull'] == 1
soc = self._get_updated_values()['soc']
batteryisfull = runtillbatteryfull and soc == 100
try:
startdate = datetime.date.fromtimestamp(
self._settings['testrunstartdate'])
starttime = time.mktime(
today.timetuple()) + self._settings['testrunstarttimer']
except ValueError:
logger.debug('Invalid dates, skipping testrun')
return False
# If start date is in the future set as NextTestRun and stop evaluating
if startdate > today:
self._dbusservice['/NextTestRun'] = time.mktime(
startdate.timetuple())
return False
start = False
# If the accumulated runtime during the tes trun interval is greater than '/TestRunIntervalRuntime'
# the tes trun must be skipped
needed = (self._settings['testrunskipruntime'] >
self._dbusservice['/TestRunIntervalRuntime']
or self._settings['testrunskipruntime'] == 0)
self._dbusservice['/SkipTestRun'] = int(not needed)
interval = self._settings['testruninterval']
stoptime = (starttime + self._settings['testrunruntime']
) if not runtillbatteryfull else (starttime + 60)
elapseddays = (today - startdate).days
mod = elapseddays % interval
start = (not bool(mod) and (time.time() >= starttime)
and (time.time() <= stoptime))
if runtillbatteryfull:
if soc is not None:
self._testrun_soc_retries = 0
start = (start or self._dbusservice['/RunningByCondition']
== 'testrun') and not batteryisfull
elif self._dbusservice['/RunningByCondition'] == 'testrun':
if self._testrun_soc_retries < self.RETRIES_ON_ERROR:
self._testrun_soc_retries += 1
start = True
if (self._testrun_soc_retries % 10) == 0:
logger.info(
'Test run failed to get SOC value, retrying(#%i)' %
self._testrun_soc_retries)
else:
logger.info(
'Failed to get SOC after %i retries, terminating test run condition'
% self._testrun_soc_retries)
start = False
else:
start = False
if not bool(mod) and (time.time() <= stoptime):
self._dbusservice['/NextTestRun'] = starttime
else:
self._dbusservice['/NextTestRun'] = (
time.mktime(
(today +
datetime.timedelta(days=interval - mod)).timetuple()) +
self._settings['testrunstarttimer'])
return start and needed
def _check_quiet_hours(self):
active = False
if self._settings['quiethoursenabled'] == 1:
# Seconds after today 00:00
timeinseconds = time.time() - time.mktime(
datetime.date.today().timetuple())
quiethoursstart = self._settings['quiethoursstarttime']
quiethoursend = self._settings['quiethoursendtime']
# Check if the current time is between the start time and end time
if quiethoursstart < quiethoursend:
active = quiethoursstart <= timeinseconds and timeinseconds < quiethoursend
else: # End time is lower than start time, example Start: 21:00, end: 08:00
active = not (quiethoursend < timeinseconds
and timeinseconds < quiethoursstart)
if self._dbusservice['/QuietHours'] == 0 and active:
logger.info('Entering to quiet mode')
elif self._dbusservice['/QuietHours'] == 1 and not active:
logger.info('Leaving secondary quiet mode')
self._dbusservice['/QuietHours'] = int(active)
return active
def _update_accumulated_time(self):
seconds = self._dbusservice['/Runtime']
accumulated = seconds - self._last_runtime_update
self._settings['accumulatedtotal'] = int(
self._settings['accumulatedtotal']) + accumulated
# Using calendar to get timestamp in UTC, not local time
today_date = str(calendar.timegm(datetime.date.today().timetuple()))
# If something goes wrong getting the json string create a new one
try:
accumulated_days = json.loads(self._settings['accumulateddaily'])
except ValueError:
accumulated_days = {today_date: 0}
if (today_date in accumulated_days):
accumulated_days[today_date] += accumulated
else:
accumulated_days[today_date] = accumulated
self._last_runtime_update = seconds
# Keep the historical with a maximum of HISTORY_DAYS
while len(accumulated_days) > self.HISTORY_DAYS:
accumulated_days.pop(min(accumulated_days.keys()), None)
# Upadate settings
self._settings['accumulateddaily'] = json.dumps(accumulated_days,
sort_keys=True)
self._dbusservice['/TodayRuntime'] = self._interval_runtime(0)
self._dbusservice['/TestRunIntervalRuntime'] = self._interval_runtime(
self._settings['testruninterval'])
def _interval_runtime(self, days):
summ = 0
try:
daily_record = json.loads(self._settings['accumulateddaily'])
except ValueError:
return 0
for i in range(days + 1):
previous_day = calendar.timegm(
(datetime.date.today() -
datetime.timedelta(days=i)).timetuple())
if str(previous_day) in daily_record.keys():
summ += daily_record[str(previous_day)] if str(
previous_day) in daily_record.keys() else 0
return summ
def _get_updated_values(self):
values = {
'batteryvoltage':
(self._battery_measurement_voltage_import.get_value()
if self._battery_measurement_voltage_import else None),
'batterycurrent':
(self._battery_measurement_current_import.get_value()
if self._battery_measurement_current_import else None),
'soc':
self._battery_measurement_soc_import.get_value()
if self._battery_measurement_soc_import else None,
'acload':
self._dbusmonitor.get_value('com.victronenergy.system',
'/Ac/Consumption/Total/Power'),
'inverterhightemp':
(self._vebusservice_high_temperature_import.get_value()
if self._vebusservice_high_temperature_import else None),
'inverteroverload':
(self._vebusservice_overload_import.get_value()
if self._vebusservice_overload_import else None)
}
if values['batterycurrent']:
values['batterycurrent'] *= -1
return values
def _determineservices(self):
# batterymeasurement is either 'default' or 'com_victronenergy_battery_288/Dc/0'.
# In case it is set to default, we use the AutoSelected battery measurement, given by
# SystemCalc.
batterymeasurement = None
batteryservicename = None
newbatteryservice = None
batteryprefix = ""
selectedbattery = self._settings['batterymeasurement']
vebusservice = None
if selectedbattery == 'default':
batterymeasurement = self._dbusmonitor.get_value(
'com.victronenergy.system', '/AutoSelectedBatteryMeasurement')
elif len(selectedbattery.split(
"/", 1)) == 2: # Only very basic sanity checking..
batterymeasurement = self._settings['batterymeasurement']
elif selectedbattery == 'nobattery':
batterymeasurement = None
else:
# Exception: unexpected value for batterymeasurement
pass
if batterymeasurement:
batteryprefix = "/" + batterymeasurement.split("/", 1)[1]
# Get the current battery servicename
if self._battery_measurement_voltage_import:
oldservice = (
self._battery_measurement_voltage_import.serviceName +
self._battery_measurement_voltage_import.path.replace(
"/Voltage", ""))
else:
oldservice = None
if batterymeasurement:
try:
batteryservicename = VeDbusItemImport(
bus=self._bus,
serviceName="com.victronenergy.system",
path='/ServiceMapping/' +
batterymeasurement.split("/", 1)[0],
eventCallback=None,
createsignal=False)
if batteryservicename.get_value():
newbatteryservice = batteryservicename.get_value(
) + batteryprefix
except dbus.exceptions.DBusException:
pass
else:
newbatteryservice = None
if batteryservicename and batteryservicename.get_value():
self._battery_measurement_available = True
logger.info(
'Battery service we need (%s) found! Using it for generator start/stop'
% batterymeasurement)
try:
self._battery_measurement_voltage_import = VeDbusItemImport(
bus=self._bus,
serviceName=batteryservicename.get_value(),
path=batteryprefix + '/Voltage',
eventCallback=None,
createsignal=True)
self._battery_measurement_current_import = VeDbusItemImport(
bus=self._bus,
serviceName=batteryservicename.get_value(),
path=batteryprefix + '/Current',
eventCallback=None,
createsignal=True)
# Exception caused by Matthijs :), we forgot to batteryprefix the Soc during the big path-change...
self._battery_measurement_soc_import = VeDbusItemImport(
bus=self._bus,
serviceName=batteryservicename.get_value(),
path='/Soc',
eventCallback=None,
createsignal=True)
except Exception:
logger.debug('Error getting battery service!')
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
elif selectedbattery == 'nobattery' and self._battery_measurement_available:
logger.info(
'Battery monitoring disabled! Stop evaluating related conditions'
)
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
self._battery_measurement_available = False
elif batteryservicename and batteryservicename.get_value(
) is None and self._battery_measurement_available:
logger.info(
'Battery service we need (%s) is not available! Stop evaluating related conditions'
% batterymeasurement)
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
self._battery_measurement_available = False
# Get the default VE.Bus service and import high temperature and overload warnings
try:
vebusservice = VeDbusItemImport(
bus=self._bus,
serviceName="com.victronenergy.system",
path='/VebusService',
eventCallback=None,
createsignal=False)
if vebusservice.get_value() and (
vebusservice.get_value() != self._vebusservice
or not self._vebusservice_available):
self._vebusservice = vebusservice.get_value()
self._vebusservice_available = True
logger.info(
'Vebus service (%s) found! Using it for generator start/stop'
% vebusservice.get_value())
self._vebusservice_high_temperature_import = VeDbusItemImport(
bus=self._bus,
serviceName=vebusservice.get_value(),
path='/Alarms/HighTemperature',
eventCallback=None,
createsignal=True)
self._vebusservice_overload_import = VeDbusItemImport(
bus=self._bus,
serviceName=vebusservice.get_value(),
path='/Alarms/Overload',
eventCallback=None,
createsignal=True)
except Exception:
logger.info('Error getting Vebus service!')
self._vebusservice_available = False
self._vebusservice_high_temperature_import = None
self._vebusservice_overload_import = None
logger.info(
'Vebus service (%s) dissapeared! Stop evaluating related conditions'
% self._vebusservice)
# Trigger an immediate check of system status
self._changed = True
def _start_generator(self, condition):
if not self._relay_state_import:
logger.info(
"Relay import not available, can't start generator by %s condition"
% condition)
return
systemcalc_relay_state = 0
state = self._dbusservice['/State']
try:
systemcalc_relay_state = self._relay_state_import.get_value()
except dbus.exceptions.DBusException:
logger.info('Error getting relay state')
# This function will start the generator in the case generator not
# already running. When differs, the RunningByCondition is updated
if state == 0 or systemcalc_relay_state != state:
self._dbusservice['/State'] = 1
self._update_relay()
self._starttime = time.time()
logger.info('Starting generator by %s condition' % condition)
elif self._dbusservice['/RunningByCondition'] != condition:
logger.info(
'Generator previously running by %s condition is now running by %s condition'
% (self._dbusservice['/RunningByCondition'], condition))
self._dbusservice['/RunningByCondition'] = condition
def _stop_generator(self):
if not self._relay_state_import:
logger.info("Relay import not available, can't stop generator")
return
systemcalc_relay_state = 1
state = self._dbusservice['/State']
try:
systemcalc_relay_state = self._relay_state_import.get_value()
except dbus.exceptions.DBusException:
logger.info('Error getting relay state')
if state == 1 or systemcalc_relay_state != state:
self._dbusservice['/State'] = 0
self._update_relay()
logger.info('Stopping generator that was running by %s condition' %
str(self._dbusservice['/RunningByCondition']))
self._dbusservice['/RunningByCondition'] = ''
self._update_accumulated_time()
self._starttime = 0
self._dbusservice['/Runtime'] = 0
self._dbusservice['/ManualStartTimer'] = 0
self._manualstarttimer = 0
self._last_runtime_update = 0
def _update_relay(self):
if not self._relay_state_import:
logger.info("Relay import not available")
return
# Relay polarity 0 = NO, 1 = NC
polarity = bool(
self._dbusmonitor.get_value('com.victronenergy.settings',
'/Settings/Relay/Polarity'))
w = int(not polarity) if bool(
self._dbusservice['/State']) else int(polarity)
try:
self._relay_state_import.set_value(dbus.Int32(w, variant_level=1))
except dbus.exceptions.DBusException:
logger.info('Error setting relay state')
def _determineservices(self):
# batterymeasurement is either 'default' or 'com_victronenergy_battery_288/Dc/0'.
# In case it is set to default, we use the AutoSelected battery measurement, given by
# SystemCalc.
batterymeasurement = None
batteryservicename = None
newbatteryservice = None
batteryprefix = ""
selectedbattery = self._settings['batterymeasurement']
vebusservice = None
if selectedbattery == 'default':
batterymeasurement = self._dbusmonitor.get_value(
'com.victronenergy.system', '/AutoSelectedBatteryMeasurement')
elif len(selectedbattery.split(
"/", 1)) == 2: # Only very basic sanity checking..
batterymeasurement = self._settings['batterymeasurement']
elif selectedbattery == 'nobattery':
batterymeasurement = None
else:
# Exception: unexpected value for batterymeasurement
pass
if batterymeasurement:
batteryprefix = "/" + batterymeasurement.split("/", 1)[1]
# Get the current battery servicename
if self._battery_measurement_voltage_import:
oldservice = (
self._battery_measurement_voltage_import.serviceName +
self._battery_measurement_voltage_import.path.replace(
"/Voltage", ""))
else:
oldservice = None
if batterymeasurement:
try:
batteryservicename = VeDbusItemImport(
bus=self._bus,
serviceName="com.victronenergy.system",
path='/ServiceMapping/' +
batterymeasurement.split("/", 1)[0],
eventCallback=None,
createsignal=False)
if batteryservicename.get_value():
newbatteryservice = batteryservicename.get_value(
) + batteryprefix
except dbus.exceptions.DBusException:
pass
else:
newbatteryservice = None
if batteryservicename and batteryservicename.get_value():
self._battery_measurement_available = True
logger.info(
'Battery service we need (%s) found! Using it for generator start/stop'
% batterymeasurement)
try:
self._battery_measurement_voltage_import = VeDbusItemImport(
bus=self._bus,
serviceName=batteryservicename.get_value(),
path=batteryprefix + '/Voltage',
eventCallback=None,
createsignal=True)
self._battery_measurement_current_import = VeDbusItemImport(
bus=self._bus,
serviceName=batteryservicename.get_value(),
path=batteryprefix + '/Current',
eventCallback=None,
createsignal=True)
# Exception caused by Matthijs :), we forgot to batteryprefix the Soc during the big path-change...
self._battery_measurement_soc_import = VeDbusItemImport(
bus=self._bus,
serviceName=batteryservicename.get_value(),
path='/Soc',
eventCallback=None,
createsignal=True)
except Exception:
logger.debug('Error getting battery service!')
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
elif selectedbattery == 'nobattery' and self._battery_measurement_available:
logger.info(
'Battery monitoring disabled! Stop evaluating related conditions'
)
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
self._battery_measurement_available = False
elif batteryservicename and batteryservicename.get_value(
) is None and self._battery_measurement_available:
logger.info(
'Battery service we need (%s) is not available! Stop evaluating related conditions'
% batterymeasurement)
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
self._battery_measurement_available = False
# Get the default VE.Bus service and import high temperature and overload warnings
try:
vebusservice = VeDbusItemImport(
bus=self._bus,
serviceName="com.victronenergy.system",
path='/VebusService',
eventCallback=None,
createsignal=False)
if vebusservice.get_value() and (
vebusservice.get_value() != self._vebusservice
or not self._vebusservice_available):
self._vebusservice = vebusservice.get_value()
self._vebusservice_available = True
logger.info(
'Vebus service (%s) found! Using it for generator start/stop'
% vebusservice.get_value())
self._vebusservice_high_temperature_import = VeDbusItemImport(
bus=self._bus,
serviceName=vebusservice.get_value(),
path='/Alarms/HighTemperature',
eventCallback=None,
createsignal=True)
self._vebusservice_overload_import = VeDbusItemImport(
bus=self._bus,
serviceName=vebusservice.get_value(),
path='/Alarms/Overload',
eventCallback=None,
createsignal=True)
except Exception:
logger.info('Error getting Vebus service!')
self._vebusservice_available = False
self._vebusservice_high_temperature_import = None
self._vebusservice_overload_import = None
logger.info(
'Vebus service (%s) dissapeared! Stop evaluating related conditions'
% self._vebusservice)
# Trigger an immediate check of system status
self._changed = True
'/Fix',
'/Position/Latitude',
'/Position/Longitude',
'/NrOfSatellites',
'/Speed',
'/Position/Course']
}
resp = {}
dbusConn = dbus.SessionBus() if 'DBUS_SESSION_BUS_ADDRESS' in os.environ else dbus.SystemBus()
for bus,list in query.items():
resp[bus] = {}
for path in list:
resp[bus][path] = VeDbusItemImport(dbusConn, bus, path).get_value()
data = resp[gps]
# Set up a client for InfluxDB
dbclient = InfluxDBClient(config[influx_server]['host'], config[influx_server]['port'], config[influx_server]['username'], config[influx_server]['password'], config[influx_server]['database'])
json_body = [{
"measurement": "gps",
"fields": {
"alt": float(data['/Altitude']),
"lat": float(data['/Position/Latitude']),
"lon": float(data['/Position/Longitude']),
"sats": float(data['/NrOfSatellites']),
"speed": float(data['/Speed']),
}
def _evaluate_if_we_are_needed(self):
if self._dbusmonitor.get_value('com.victronenergy.settings',
'/Settings/Relay/Function') == 1:
if not self._relay_state_import:
logger.info('Getting relay from systemcalc.')
try:
self._relay_state_import = VeDbusItemImport(
bus=self._bus,
serviceName='com.victronenergy.system',
path='/Relay/0/State',
eventCallback=None,
createsignal=True)
except dbus.exceptions.DBusException:
logger.info('Systemcalc relay not available.')
self._relay_state_import = None
pass
if self._dbusservice is None:
logger.info(
'Action! Going on dbus and taking control of the relay.')
relay_polarity_import = VeDbusItemImport(
bus=self._bus,
serviceName='com.victronenergy.settings',
path='/Settings/Relay/Polarity',
eventCallback=None,
createsignal=True)
# As is not possible to keep the relay state during the CCGX power cycles,
# set the relay polarity to normally open.
if relay_polarity_import.get_value() == 1:
relay_polarity_import.set_value(0)
logger.info('Setting relay polarity to normally open.')
# put ourselves on the dbus
self._dbusservice = VeDbusService(
'com.victronenergy.generator.startstop0')
self._dbusservice.add_mandatory_paths(
processname=__file__,
processversion=softwareversion,
connection='generator',
deviceinstance=0,
productid=None,
productname=None,
firmwareversion=None,
hardwareversion=None,
connected=1)
# State: None = invalid, 0 = stopped, 1 = running
self._dbusservice.add_path('/State', value=0)
# Condition that made the generator start
self._dbusservice.add_path('/RunningByCondition', value='')
# Runtime
self._dbusservice.add_path('/Runtime',
value=0,
gettextcallback=self._gettext)
# Today runtime
self._dbusservice.add_path('/TodayRuntime',
value=0,
gettextcallback=self._gettext)
# Test run runtime
self._dbusservice.add_path(
'/TestRunIntervalRuntime',
value=self._interval_runtime(
self._settings['testruninterval']),
gettextcallback=self._gettext)
# Next tes trun date, values is 0 for test run disabled
self._dbusservice.add_path('/NextTestRun',
value=None,
gettextcallback=self._gettext)
# Next tes trun is needed 1, not needed 0
self._dbusservice.add_path('/SkipTestRun', value=None)
# Manual start
self._dbusservice.add_path('/ManualStart',
value=0,
writeable=True)
# Manual start timer
self._dbusservice.add_path('/ManualStartTimer',
value=0,
writeable=True)
# Silent mode active
self._dbusservice.add_path('/QuietHours', value=0)
self._determineservices()
else:
if self._dbusservice is not None:
self._stop_generator()
self._dbusservice.__del__()
self._dbusservice = None
# Reset conditions
for condition in self._condition_stack:
self._reset_condition(self._condition_stack[condition])
logger.info(
'Relay function is no longer set to generator start/stop: made sure generator is off '
+ 'and now going off dbus')
self._relay_state_import = None
def _evaluate_if_we_are_needed(self):
if self._dbusmonitor.get_value('com.victronenergy.settings', '/Settings/Relay/Function') == 1:
if self._dbusservice is None:
logger.info('Action! Going on dbus and taking control of the relay.')
relay_polarity_import = VeDbusItemImport(
bus=self._bus, serviceName='com.victronenergy.settings',
path='/Settings/Relay/Polarity',
eventCallback=None, createsignal=True)
# As is not possible to keep the relay state during the CCGX power cycles,
# set the relay polarity to normally open.
if relay_polarity_import.get_value() == 1:
relay_polarity_import.set_value(0)
logger.info('Setting relay polarity to normally open.')
# put ourselves on the dbus
self._dbusservice = VeDbusService('com.victronenergy.generator.startstop0')
self._dbusservice.add_mandatory_paths(
processname=__file__,
processversion=softwareversion,
connection='generator',
deviceinstance=0,
productid=None,
productname=None,
firmwareversion=None,
hardwareversion=None,
connected=1)
# State: None = invalid, 0 = stopped, 1 = running
self._dbusservice.add_path('/State', value=0)
# Condition that made the generator start
self._dbusservice.add_path('/RunningByCondition', value='')
# Runtime
self._dbusservice.add_path('/Runtime', value=0, gettextcallback=self._gettext)
# Today runtime
self._dbusservice.add_path('/TodayRuntime', value=0, gettextcallback=self._gettext)
# Test run runtime
self._dbusservice.add_path('/TestRunIntervalRuntime',
value=self._interval_runtime(self._settings['testruninterval']),
gettextcallback=self._gettext)
# Next tes trun date, values is 0 for test run disabled
self._dbusservice.add_path('/NextTestRun', value=None, gettextcallback=self._gettext)
# Next tes trun is needed 1, not needed 0
self._dbusservice.add_path('/SkipTestRun', value=None)
# Manual start
self._dbusservice.add_path('/ManualStart', value=0, writeable=True)
# Manual start timer
self._dbusservice.add_path('/ManualStartTimer', value=0, writeable=True)
# Silent mode active
self._dbusservice.add_path('/QuietHours', value=0)
self._determineservices()
else:
if self._dbusservice is not None:
self._stop_generator()
self._dbusservice.__del__()
self._dbusservice = None
# Reset conditions
for condition in self._condition_stack:
self._reset_condition(self._condition_stack[condition])
logger.info('Relay function is no longer set to generator start/stop: made sure generator is off ' +
'and now going off dbus')
def _determineservices(self):
# batterymeasurement is either 'default' or 'com_victronenergy_battery_288/Dc/0'.
# In case it is set to default, we use the AutoSelected battery measurement, given by
# SystemCalc.
batterymeasurement = None
batteryservicename = None
newbatteryservice = None
batteryprefix = ""
selectedbattery = self._settings['batterymeasurement']
vebusservice = None
if selectedbattery == 'default':
batterymeasurement = self._dbusmonitor.get_value('com.victronenergy.system', '/AutoSelectedBatteryMeasurement')
elif len(selectedbattery.split("/", 1)) == 2: # Only very basic sanity checking..
batterymeasurement = self._settings['batterymeasurement']
elif selectedbattery == 'nobattery':
batterymeasurement = None
else:
# Exception: unexpected value for batterymeasurement
pass
if batterymeasurement:
batteryprefix = "/" + batterymeasurement.split("/", 1)[1]
# Get the current battery servicename
if self._battery_measurement_voltage_import:
oldservice = (self._battery_measurement_voltage_import.serviceName +
self._battery_measurement_voltage_import.path.replace("/Voltage", ""))
else:
oldservice = None
if batterymeasurement:
batteryservicename = VeDbusItemImport(
bus=self._bus,
serviceName="com.victronenergy.system",
path='/ServiceMapping/' + batterymeasurement.split("/", 1)[0],
eventCallback=None,
createsignal=False)
if batteryservicename.get_value():
newbatteryservice = batteryservicename.get_value() + batteryprefix
else:
newbatteryservice = None
if batteryservicename and batteryservicename.get_value():
self._battery_measurement_available = True
logger.info('Battery service we need (%s) found! Using it for generator start/stop'
% batterymeasurement)
try:
self._battery_measurement_voltage_import = VeDbusItemImport(
bus=self._bus, serviceName=batteryservicename.get_value(),
path=batteryprefix + '/Voltage', eventCallback=None, createsignal=True)
self._battery_measurement_current_import = VeDbusItemImport(
bus=self._bus, serviceName=batteryservicename.get_value(),
path=batteryprefix + '/Current', eventCallback=None, createsignal=True)
# Exception caused by Matthijs :), we forgot to batteryprefix the Soc during the big path-change...
self._battery_measurement_soc_import = VeDbusItemImport(
bus=self._bus, serviceName=batteryservicename.get_value(),
path='/Soc', eventCallback=None, createsignal=True)
except Exception:
logger.debug('Error getting battery service!')
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
elif selectedbattery == 'nobattery' and self._battery_measurement_available:
logger.info('Battery monitoring disabled! Stop evaluating related conditions')
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
self._battery_measurement_available = False
elif batteryservicename and batteryservicename.get_value() is None and self._battery_measurement_available:
logger.info('Battery service we need (%s) is not available! Stop evaluating related conditions'
% batterymeasurement)
self._battery_measurement_voltage_import = None
self._battery_measurement_current_import = None
self._battery_measurement_soc_import = None
self._battery_measurement_available = False
# Get the default VE.Bus service and import high temperature and overload warnings
vebusservice = VeDbusItemImport(
bus=self._bus,
serviceName="com.victronenergy.system",
path='/VebusService',
eventCallback=None,
createsignal=False)
if vebusservice.get_value() and (vebusservice.get_value() != self._vebusservice
or not self._vebusservice_available):
self._vebusservice = vebusservice.get_value()
self._vebusservice_available = True
logger.info('Vebus service (%s) found! Using it for generator start/stop'
% vebusservice.get_value())
try:
self._vebusservice_high_temperature_import = VeDbusItemImport(
bus=self._bus, serviceName=vebusservice.get_value(),
path='/Alarms/HighTemperature', eventCallback=None, createsignal=True)
self._vebusservice_overload_import = VeDbusItemImport(
bus=self._bus, serviceName=vebusservice.get_value(),
path='/Alarms/Overload', eventCallback=None, createsignal=True)
except Exception:
logger.info('Error getting Vebus service!')
self._vebusservice_available = False
self._vebusservice_high_temperature_import = None
self._vebusservice_overload_import = None
elif not vebusservice.get_value() and self._vebusservice_available:
logger.info('Vebus service (%s) dissapeared! Stop evaluating related conditions'
% self._vebusservice)
self._vebusservice_available = False
self._vebusservice_high_temperature_import = None
self._vebusservice_overload_import = None
# Trigger an immediate check of system status
self._changed = True
else:
try:
goeCharger.setAllowCharging(1)
status = goeCharger.setMaxCurrent(i)
print("--> %d Ampere gesetzt um %s" % (i, currentTime))
return True
except Exception:
print("Nicht gesetzt! %s" % i)
return False
iGoe_old = 0
while True:
batteryOffset = args.battery_offset
solarPower = VeDbusItemImport(dbusConn, 'com.victronenergy.system',
'/Ac/PvOnGrid/L1/Power').get_value()
if solarPower == None:
solarPower = 0
solarPower = int(solarPower)
try:
battery_soc = VeDbusItemImport(dbusConn,
'com.victronenergy.battery.ttyO2',
'/Soc').get_value()
except Exception:
print("Konnte SOC nicht bestimmen")
batteryOffset += getBatteryOffsetFromFile()
if args.goe_ampere > 0:
iGoe = args.goe_ampere
from vedbus import VeDbusItemExport, VeDbusItemImport
DBusGMainLoop(set_as_default=True)
# Connect to the sessionbus. Note that on ccgx we use systembus instead.
dbusConn = dbus.SessionBus() if 'DBUS_SESSION_BUS_ADDRESS' in os.environ else dbus.SystemBus()
# dictionary containing the different items
dbusObjects = {}
# check if the vbus.ttyO1 exists (it normally does on a ccgx, and for linux a pc, there is
# some emulator.
hasVEBus = 'com.victronenergy.vebus.ttyO1' in dbusConn.list_names()
dbusObjects['PyString'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/String')
if hasVEBus: dbusObjects['C_string'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/Mgmt/ProcessName')
dbusObjects['PyFloat'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/Float')
if hasVEBus: dbusObjects['C_float'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/Dc/V')
dbusObjects['PyInt'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/Int')
if hasVEBus: dbusObjects['C_int'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/State')
dbusObjects['PyNegativeInt'] = VeDbusItemImport(dbusConn, 'com.victronenergy.example', '/NegativeInt')
if hasVEBus: dbusObjects['C_negativeInt'] = VeDbusItemImport(dbusConn, 'com.victronenergy.vebus.ttyO1', '/Dc/I')
# print the results
print '----'
for key, o in dbusObjects.items():
print key + ' at ' + o.serviceName + o.path
def test_adding_new_settings_and_readback(self):
from collections import OrderedDict
testsets = OrderedDict()
testsets["int-no-min-max"] = {
"group": "g",
"setting": "in",
"default": 100,
"value": 100,
"type": "i",
"min": 0,
"max": 0,
}
testsets["int-with-min-max"] = {
"group": "g",
"setting": "iw",
"default": 101,
"value": 101,
"type": "i",
"min": 0,
"max": 101,
}
# float-no-min-max doesn't work, because localsettings does not recognize 0.0 and 0.0 as no min max, only 0 and 0 works.
# testsets['float-no-min-max'] = {'group': 'g', 'setting': 'f', 'default': 102.0, 'value': 102.0, 'type': 'f', 'min': 0.0, 'max': 0.0}
testsets["float-with-min-max"] = {
"group": "g",
"setting": "f",
"default": 103.0,
"value": 103.0,
"type": "f",
"min": 0.0,
"max": 1000.0,
}
testsets["start-group-with-digit"] = {
"group": "0g",
"setting": "s",
"default": 104,
"value": 104,
"type": "i",
"min": 0,
"max": 0,
}
testsets["start-setting-with-digit"] = {
"group": "g",
"setting": "0s",
"default": 105,
"value": 105,
"type": "i",
"min": 0,
"max": 0,
}
testsets["int-re-add-same-min-max"] = {
"group": "g",
"setting": "in",
"default": 200,
"value": 100,
"type": "i",
"min": 0,
"max": 0,
}
testsets["int-re-add-other-min-max"] = {
"group": "g",
"setting": "in",
"default": 201,
"value": 100,
"type": "i",
"min": 10,
"max": 1000,
}
testsets["float-re-add-other-min-max"] = {
"group": "g",
"setting": "f",
"default": 103.0,
"value": 103.0,
"type": "f",
"min": 1.0,
"max": 1001.0,
}
for name, details in testsets.iteritems():
print "\n\n===Testing %s===\n" % name
self.assertEqual(
0,
self._add_setting(
details["group"],
details["setting"],
details["default"],
details["type"],
details["min"],
details["max"],
),
)
# wait 2.5 seconds, since local settings itself waits 2 seconds before it stores the data.
time.sleep(2.5)
# restart localsettings
self._stopLocalSettings()
time.sleep(2)
self._startLocalSettings()
# read the results
i = VeDbusItemImport(
self._dbus,
"com.victronenergy.settings",
"/Settings/" + details["group"] + "/" + details["setting"],
eventCallback=None,
createsignal=False,
)
result = copy.deepcopy(details)
result["value"] = i.get_value().real
result["default"] = i._proxy.GetDefault().real
# don't ask me why, but getMin() and getMax() return a string...
result["min"] = int(i._proxy.GetMin()) if details["type"] == "i" else float(i._proxy.GetMin())
result["max"] = int(i._proxy.GetMax()) if details["type"] == "i" else float(i._proxy.GetMax())
# don't check the type, as there is no GetType() available
# result['type'] = i._proxy.GetType()
self.assertEqual(details, result)
def import_value(self, serviceName, path):
if serviceName not in self.imported: self.imported[serviceName] = {}
if path in self.imported[serviceName]: return
self.imported[serviceName][path] = VeDbusItemImport(
self.bus, serviceName, path, self.import_value_changed)
class DbusPump:
def __init__(self, retries=300):
self._bus = dbus.SystemBus() if (platform.machine() == 'armv7l') else dbus.SessionBus()
self.RELAY_GPIO_FILE = '/sys/class/gpio/gpio182/value'
self.HISTORY_DAYS = 30
# One second per retry
self.RETRIES_ON_ERROR = retries
self._current_retries = 0
self.TANKSERVICE_DEFAULT = 'default'
self.TANKSERVICE_NOTANK = 'notanksensor'
self._dbusservice = None
self._tankservice = self.TANKSERVICE_NOTANK
self._valid_tank_level = True
self._relay_state_import = None
# DbusMonitor expects these values to be there, even though we don need them. So just
# add some dummy data. This can go away when DbusMonitor is more generic.
dummy = {'code': None, 'whenToLog': 'configChange', 'accessLevel': None}
# TODO: possible improvement: don't use the DbusMonitor it all, since we are only monitoring
# a set of static values which will always be available. DbusMonitor watches for services
# that come and go, and takes care of automatic signal subscribtions etc. etc: all not necessary
# in this use case where we have fixed services names (com.victronenergy.settings, and c
# com.victronenergy.system).
self._dbusmonitor = DbusMonitor({
'com.victronenergy.settings': { # This is not our setting so do it here. not in supportedSettings
'/Settings/Relay/Function': dummy,
'/Settings/Relay/Polarity': dummy
},
'com.victronenergy.tank': { # This is not our setting so do it here. not in supportedSettings
'/Level': dummy,
'/FluidType': dummy,
'/ProductName': dummy,
'/Mgmt/Connection': dummy
}
}, self._dbus_value_changed, self._device_added, self._device_removed)
# Connect to localsettings
self._settings = SettingsDevice(
bus=self._bus,
supportedSettings={
'tankservice': ['/Settings/Pump0/TankService', self.TANKSERVICE_NOTANK, 0, 1],
'autostart': ['/Settings/Pump0/AutoStartEnabled', 1, 0, 1],
'startvalue': ['/Settings/Pump0/StartValue', 50, 0, 100],
'stopvalue': ['/Settings/Pump0/StopValue', 80, 0, 100],
'mode': ['/Settings/Pump0/Mode', 0, 0, 100] # Auto = 0, On = 1, Off = 2
},
eventCallback=self._handle_changed_setting)
# Whenever services come or go, we need to check if it was a service we use. Note that this
# is a bit double: DbusMonitor does the same thing. But since we don't use DbusMonitor to
# monitor for com.victronenergy.battery, .vebus, .charger or any other possible source of
# battery data, it is necessary to monitor for changes in the available dbus services.
self._bus.add_signal_receiver(self._dbus_name_owner_changed, signal_name='NameOwnerChanged')
self._evaluate_if_we_are_needed()
gobject.timeout_add(1000, self._handletimertick)
self._changed = True
def _evaluate_if_we_are_needed(self):
if self._dbusmonitor.get_value('com.victronenergy.settings', '/Settings/Relay/Function') == 3:
if self._dbusservice is None:
logger.info('Action! Going on dbus and taking control of the relay.')
relay_polarity_import = VeDbusItemImport(
bus=self._bus, serviceName='com.victronenergy.settings',
path='/Settings/Relay/Polarity',
eventCallback=None, createsignal=True)
if not self._relay_state_import:
logger.info('Getting relay from systemcalc.')
try:
self._relay_state_import = VeDbusItemImport(
bus=self._bus, serviceName='com.victronenergy.system',
path='/Relay/0/State',
eventCallback=None, createsignal=True)
except dbus.exceptions.DBusException:
logger.info('Systemcalc relay not available.')
self._relay_state_import = None
pass
# As is not possible to keep the relay state during the CCGX power cycles,
# set the relay polarity to normally open.
if relay_polarity_import.get_value() == 1:
relay_polarity_import.set_value(0)
logger.info('Setting relay polarity to normally open.')
# put ourselves on the dbus
self._dbusservice = VeDbusService('com.victronenergy.pump.startstop0')
self._dbusservice.add_mandatory_paths(
processname=__file__,
processversion=softwareversion,
connection='pump',
deviceinstance=0,
productid=None,
productname=None,
firmwareversion=None,
hardwareversion=None,
connected=1)
# State: None = invalid, 0 = stopped, 1 = running
self._dbusservice.add_path('/State', value=0)
self._dbusservice.add_path('/AvailableTankServices', value=None)
self._dbusservice.add_path('/ActiveTankService', value=None)
self._update_relay()
self._handleservicechange()
else:
if self._dbusservice is not None:
self._stop_pump()
self._dbusservice.__del__()
self._dbusservice = None
self._relay_state_import = None
logger.info('Relay function is no longer set to pump startstop: made sure pump is off and going off dbus')
def _device_added(self, dbusservicename, instance):
self._handleservicechange()
self._evaluate_if_we_are_needed()
def _device_removed(self, dbusservicename, instance):
self._handleservicechange()
# Relay handling depends on systemcalc, if the service disappears restart
# the relay state import
if dbusservicename == "com.victronenergy.system":
self._relay_state_import = None
self._evaluate_if_we_are_needed()
def _dbus_value_changed(self, dbusServiceName, dbusPath, options, changes, deviceInstance):
if dbusPath == '/Settings/Relay/Function':
self._evaluate_if_we_are_needed()
self._changed = True
# Update relay state when polarity changes
if dbusPath == '/Settings/Relay/Polarity':
self._update_relay()
def _handle_changed_setting(self, setting, oldvalue, newvalue):
self._changed = True
self._evaluate_if_we_are_needed()
if setting == "tankservice":
self._handleservicechange()
if setting == 'autostart':
logger.info('Autostart function %s.' % ('enabled' if newvalue == 1 else 'disabled'))
def _dbus_name_owner_changed(self, name, oldowner, newowner):
return True
def _handletimertick(self):
# try catch, to make sure that we kill ourselves on an error. Without this try-catch, there would
# be an error written to stdout, and then the timer would not be restarted, resulting in a dead-
# lock waiting for manual intervention -> not good!
try:
if self._dbusservice is not None:
self._evaluate_startstop_conditions()
self._changed = False
except:
self._stop_pump()
import traceback
traceback.print_exc()
sys.exit(1)
return True
def _evaluate_startstop_conditions(self):
if self._settings['tankservice'] == self.TANKSERVICE_NOTANK:
self._stop_pump()
return
value = self._dbusmonitor.get_value(self._tankservice, "/Level")
startvalue = self._settings['startvalue']
stopvalue = self._settings['stopvalue']
started = self._dbusservice['/State'] == 1
mode = self._settings['mode']
# On mode
if mode == 1:
if not started:
self._start_pump()
self._current_retries = 0
return
# Off mode
if mode == 2:
if started:
self._stop_pump()
self._current_retries = 0
return
# Auto mode, in case of an invalid reading start the retrying mechanism
if started and value is None and mode == 0:
# Keep the pump running during RETRIES_ON_ERROR(default 300) retries
if started and self._current_retries < self.RETRIES_ON_ERROR:
self._current_retries += 1
logger.info("Unable to get tank level, retrying (%i)" % self._current_retries)
return
# Stop the pump after RETRIES_ON_ERROR(default 300) retries
logger.info("Unable to get tank level after %i retries, stopping pump." % self._current_retries)
self._stop_pump()
return
if self._current_retries > 0 and value is not None:
logger.info("Tank level successfuly obtained after %i retries." % self._current_retries)
self._current_retries = 0
# Tank level not valid, check if is the first invalid reading
# and print a log message
if value is None:
if self._valid_tank_level:
self._valid_tank_level = False
logger.info("Unable to get tank level, skipping evaluation.")
return
# Valid reading after a previous invalid one
elif value is not None and not self._valid_tank_level:
self._valid_tank_level = True
logger.info("Tank level successfuly obtained, resuming evaluation.")
start_is_greater = startvalue > stopvalue
start = started or (value >= startvalue if start_is_greater else value <= startvalue)
stop = value <= stopvalue if start_is_greater else value >= stopvalue
if start and not stop:
self._start_pump()
else:
self._stop_pump()
def _determinetankservice(self):
s = self._settings['tankservice'].split('/')
if len(s) != 2:
logger.error("The tank setting (%s) is invalid!" % self._settings['tankservice'])
serviceclass = s[0]
instance = int(s[1]) if len(s) == 2 else None
services = self._dbusmonitor.get_service_list(classfilter=serviceclass)
if instance not in services.values():
# Once chosen tank does not exist. Don't auto change the setting (it might come
# back). And also don't autoselect another.
newtankservice = None
else:
# According to https://www.python.org/dev/peps/pep-3106/, dict.keys() and dict.values()
# always have the same order.
newtankservice = services.keys()[services.values().index(instance)]
if newtankservice != self._tankservice:
services = self._dbusmonitor.get_service_list()
instance = services.get(newtankservice, None)
if instance is None:
tank_service = None
else:
tank_service = self._get_instance_service_name(newtankservice, instance)
self._dbusservice['/ActiveTankService'] = newtankservice
logger.info("Tank service, setting == %s, changed from %s to %s (%s)" %
(self._settings['tankservice'], self._tankservice, newtankservice, instance))
self._tankservice = newtankservice
def _handleservicechange(self):
services = self._get_connected_service_list('com.victronenergy.tank')
ul = {self.TANKSERVICE_NOTANK: 'No tank sensor'}
for servicename, instance in services.items():
key = self._get_instance_service_name(servicename, instance)
ul[key] = self._get_readable_service_name(servicename)
self._dbusservice['/AvailableTankServices'] = dbus.Dictionary(ul, signature='sv')
self._determinetankservice()
def _get_readable_service_name(self, servicename):
fluidType = ['Fuel', 'Fresh water', 'Waste water', 'Live well',
'Oil', 'Black water']
fluid = fluidType[self._dbusmonitor.get_value(servicename, '/FluidType')]
return (fluid + ' on ' + self._dbusmonitor.get_value(servicename, '/Mgmt/Connection'))
def _get_instance_service_name(self, service, instance):
return '%s/%s' % ('.'.join(service.split('.')[0:3]), instance)
def _get_connected_service_list(self, classfilter=None):
services = self._dbusmonitor.get_service_list(classfilter=classfilter)
return services
def _start_pump(self):
if not self._relay_state_import:
logger.info("Relay import not available, can't start pump by %s condition" % condition)
return
systemcalc_relay_state = 0
state = self._dbusservice['/State']
try:
systemcalc_relay_state = self._relay_state_import.get_value()
except dbus.exceptions.DBusException:
logger.info('Error getting relay state')
# This function will start the pump in the case the pump not
# already running.
if state == 0 or systemcalc_relay_state != state:
self._dbusservice['/State'] = 1
self._update_relay()
self._starttime = time.time()
logger.info('Starting pump')
def _stop_pump(self):
if not self._relay_state_import:
logger.info("Relay import not available, can't stop the pump")
return
systemcalc_relay_state = 1
state = self._dbusservice['/State']
try:
systemcalc_relay_state = self._relay_state_import.get_value()
except dbus.exceptions.DBusException:
logger.info('Error getting relay state')
if state == 1 or systemcalc_relay_state != state:
self._dbusservice['/State'] = 0
logger.info('Stopping pump')
self._update_relay()
def _update_relay(self):
if not self._relay_state_import:
logger.info("Relay import not available")
return
# Relay polarity 0 = NO, 1 = NC
polarity = bool(self._dbusmonitor.get_value('com.victronenergy.settings', '/Settings/Relay/Polarity'))
w = int(not polarity) if bool(self._dbusservice['/State']) else int(polarity)
try:
self._relay_state_import.set_value(dbus.Int32(w, variant_level=1))
except dbus.exceptions.DBusException:
logger.info('Error setting relay state')
def scan_dbus_service(self, serviceName):
newDeviceAdded = False
# make it a normal string instead of dbus string
serviceName = str(serviceName)
for s in self.dbusTree.keys():
if serviceName.split('.')[0:3] == s.split('.')[0:3]:
logger.info(
"Found: %s matches %s, scanning and storing items" %
(serviceName, s))
# we should never be notified to add a D-Bus service that we already have. If this assertion
# raises, check process_name_owner_changed, and D-Bus workings.
assert serviceName not in self.items
service = {}
# create the empty list items.
whentologoptions = [
'configChange', 'onIntervalAlwaysAndOnEvent',
'onIntervalOnlyWhenChanged', 'onIntervalAlways'
]
# these lists will contain the VeDbusItemImport objects with that whenToLog setting. Used to
for whentolog in whentologoptions:
service[whentolog] = []
service['paths'] = {}
try:
# for vebus.ttyO1, this is workaround, since VRM Portal expects the main vebus devices at
# instance 0. Not sure how to fix this yet.
if serviceName == 'com.victronenergy.vebus.ttyO1' and self.vebusDeviceInstance0:
device_instance = 0
else:
device_instance = VeDbusItemImport(
self.dbusConn,
serviceName,
'/DeviceInstance',
createsignal=False).get_value()
device_instance = 0 if device_instance is None else int(
device_instance)
service['deviceInstance'] = device_instance
logger.info(" %s has device instance %s" %
(serviceName, service['deviceInstance']))
for path, options in self.dbusTree[s].items():
# path will be the D-Bus path: '/Ac/ActiveIn/L1/V'
# options will be a dictionary: {'code': 'V', 'whenToLog': 'onIntervalAlways'}
# check that the whenToLog setting is set to something we expect
assert options['whenToLog'] is None or options[
'whenToLog'] in whentologoptions
# create and store the VeDbusItemImport. Store it both searchable by names, and in the
# relevant whenToLog list.
o = VeDbusItemImport(self.dbusConn, serviceName, path,
self.handler_value_changes)
if options['whenToLog']:
service[options['whenToLog']].append(o)
service['paths'][path] = {
'dbusObject': o,
'vrmDict': options
}
logger.debug(" Added %s%s" % (serviceName, path))
# Adjust self at the end of the scan, so we don't have an incomplete set of
# data if an exception occurs during the scan.
logger.debug("Finished scanning and storing items for %s" %
serviceName)
self.items[serviceName] = service
newDeviceAdded = True
except dbus.exceptions.DBusException, e:
if e.get_dbus_name() == 'org.freedesktop.DBus.Error.ServiceUnknown' or \
e.get_dbus_name() == 'org.freedesktop.DBus.Error.Disconnected':
logger.info(
"Service disappeared while being scanned: %s" %
serviceName)
else:
raise
def setDefault(self, path):
item = VeDbusItemImport(self._bus,
self._dbus_name,
path,
createsignal=False)
item.set_default()