class Flag(__enum_flag__):
''' '''
__blank__ = str()
__fn_names__ = staticmethod(
__func_reduce__(__func_head__(map, __get_name__('__get_name__')),
' '.join))
__fn_agg__ = staticmethod(__ior_agg__)
@property
def __get_names__(self):
''' '''
return self.__fn_names__(self.__matches__)
@property
def __matches__(self):
''' '''
return filter(__func_head__(__contains__, self), self.__class__)
@property
def __get_name__(self):
''' '''
return super().name or self.__blank__
@property
def name(self):
''' '''
return self.__get_name__ or self.__get_names__
@classmethod
def Concat(cls, *flags):
''' '''
return self.__fn_agg__(*flags)
class Filter(object):
''' '''
__slots__ = ()
__default__ = __func_head__(filter, None)
@classmethod
def ByAttribute(cls, name):
''' ByAttribute uses name with the intent to: '''
return __func_head__(filter, __get_name__(name))
@classmethod
def WithAttribute(cls, name):
''' WithAttribute uses name with the intent to: do something '''
return __func_reduce__(cls.ByAttribute(name), cls.__default__)
def Selected(cls, predicate=None, function=None, *items):
''' '''
mapper = __func_head__(map, function) if function else iter
filtered = filter(predicate, items)
return cls(*mapper(filtered))
def ByAttribute(cls, name):
''' ByAttribute uses name with the intent to: '''
return __func_head__(filter, __get_name__(name))
def __matches__(self):
''' '''
return filter(__func_head__(__contains__, self), self.__class__)