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from abc import ABC, abstractmethod
from .engine import DataEngine
from green_magic.data.dataset import DatapointsManager
class DataBackend(ABC):
pass
class Backend(DataBackend, ABC):
def __init__(self, engine):
self._engine = engine
self.datapoints_manager = DatapointsManager()
@property
def engine(self):
return self._engine
@engine.setter
def engine(self, engine):
subclasses = {}
@classmethod
def register_as_subclass(cls, backend_type):
def wrapper(subclass):
cls.subclasses[backend_type] = subclass
return subclass
return wrapper
def create(cls, backend_type, *args, **kwargs) -> DataBackend:
if backend_type not in cls.subclasses:
raise ValueError(f"Request Backend of type '{backend_type}'; supported are [{', '.join(sorted(cls.subclasses.keys()))}]")
return cls.subclasses[backend_type](*args, **kwargs)
boromir674 /
so-magic
