Source code for tensortrade.feed.core.accessors



[docs]class CachedAccessor: """ Custom property-like object. A descriptor for caching accessors. Parameters ---------- name : str Namespace that will be accessed under, e.g. ``df.foo``. accessor : cls Class with the extension methods. References ---------- .. [1] https://github.com/pandas-dev/pandas/blob/v1.1.0/pandas/core/accessor.py#L285-L289 """ def __init__(self, name: str, accessor) -> None: self._name = name self._accessor = accessor def __get__(self, instance, owner): if instance is None: return self._accessor accessor = self._accessor(instance) object.__setattr__(instance, self._name, accessor) return accessor