import abc
# For 2 and 3 compatibility
# https://stackoverflow.com/questions/35673474/
ABC = abc.ABCMeta("ABC", (object,), {"__slots__": ()})
class BaseOfficeFile(ABC):
def __init__(self):
pass
@abc.abstractmethod
def load_key(self):
pass
@abc.abstractmethod
def decrypt(self, outfile):
pass
@abc.abstractmethod
def is_encrypted(self) -> bool:
pass