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from abc import ABC, abstractmethod
import typing as t
class AllFuncs(ABC):
"""Exposing all of the exposed functions of a module through an class."""
module: t.Any
invalid_method_exception: t.Type[Exception]
@abstractmethod
def _wrap(self, func) -> t.Callable:
"""Proxy attribute access to :attr:`module`."""
raise NotImplementedError() # pragma: no cover
@classmethod
def get_method(cls, name: str) -> t.Callable:
"""
Return valid :attr:`module` method.
Args:
name: Name of pydash method to get.
Returns:
:attr:`module` callable.
Raises:
InvalidMethod: Raised if `name` is not a valid :attr:`module` method.
"""
method = getattr(cls.module, name, None)
if not callable(method) and not name.endswith("_"):
# Alias method names not ending in underscore to their underscore
# counterpart. This allows chaining of functions like "map_()"
# using "map()" instead.
method = getattr(cls.module, name + "_", None)
if not callable(method):
raise cls.invalid_method_exception(f"Invalid {cls.module.__name__} method: {name}")
return method
def __getattr__(self, name: str) -> t.Callable:
return self._wrap(self.get_method(name))
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