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74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
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"""Base implementation for SMART modules."""
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import logging
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from typing import TYPE_CHECKING, Dict, Type
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from ..exceptions import SmartDeviceException
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from ..module import Module
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if TYPE_CHECKING:
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from .smartdevice import SmartDevice
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_LOGGER = logging.getLogger(__name__)
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class SmartModule(Module):
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"""Base class for SMART modules."""
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NAME: str
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REQUIRED_COMPONENT: str
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QUERY_GETTER_NAME: str
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REGISTERED_MODULES: Dict[str, Type["SmartModule"]] = {}
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def __init__(self, device: "SmartDevice", module: str):
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self._device: SmartDevice
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super().__init__(device, module)
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def __init_subclass__(cls, **kwargs):
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assert cls.REQUIRED_COMPONENT is not None # noqa: S101
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name = getattr(cls, "NAME", cls.__name__)
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_LOGGER.debug("Registering %s" % cls)
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cls.REGISTERED_MODULES[name] = cls
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@property
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def name(self) -> str:
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"""Name of the module."""
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return getattr(self, "NAME", self.__class__.__name__)
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def query(self) -> Dict:
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"""Query to execute during the update cycle.
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Default implementation uses the raw query getter w/o parameters.
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"""
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return {self.QUERY_GETTER_NAME: None}
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def call(self, method, params=None):
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"""Call a method.
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Just a helper method.
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"""
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return self._device._query_helper(method, params)
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@property
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def data(self):
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"""Return response data for the module.
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If module performs only a single query, the resulting response is unwrapped.
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"""
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q = self.query()
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q_keys = list(q.keys())
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# TODO: hacky way to check if update has been called.
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if q_keys[0] not in self._device._last_update:
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raise SmartDeviceException(
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f"You need to call update() prior accessing module data"
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f" for '{self._module}'"
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)
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filtered_data = {
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k: v for k, v in self._device._last_update.items() if k in q_keys
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}
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if len(filtered_data) == 1:
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return next(iter(filtered_data.values()))
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return filtered_data
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