async def resolve_devices(self, info, pattern="*"):
""" This method fetches all the devices using the pattern.
:param pattern: Pattern for filtering the result.
Returns only properties that matches the pattern.
:type pattern: str
:return: List of devices.
:rtype: List of Device
"""
device_names = db.get_device_exported(pattern)
return [Device(name=name) for name in device_names]
def resolve_classes(self, info, pattern="*"):
devs_clss = db.get_device_class_list(f"{self.server}/{self.name}")
mapping = defaultdict(list)
rule = re.compile(fnmatch.translate(pattern), re.IGNORECASE)
for device, clss in zip(devs_clss[::2], devs_clss[1::2]):
mapping[clss].append(Device(name=device))
return [DeviceClass(name=clss, server=self.server,
instance=self.name, devices=devices)
for clss, devices in mapping.items()
if rule.match(clss)]
async def resolve_device(self, info, name=None):
""" This method fetches the device using the name.
:param name: Name of the device.
:type name: str
:return: Device.
:rtype: Device
"""
device_names = db.get_device_exported(name)
if len(device_names) == 1:
return Device(name=device_names[0])
else:
return None