in pystemd/systemd1/manager.py [0:0]
def SetUnitProperties(self, interface_name, unit_name, runtime, properties):
assert interface_name == b"org.freedesktop.systemd1.Manager"
args = apply_signature(b"sb", [unit_name, runtime])
args += signature_array(properties)
with self.bus_context() as bus:
return bus.call_method(
self.destination, self.path, interface_name, b"SetUnitProperties", args
).body