View file File name : _common.py Content :""" Common code used in multiple modules. """ class weekday(object): __slots__ = ["weekday", "n"] def __init__(self, weekday, n=None): self.weekday = weekday self.n = n def __call__(self, n): if n == self.n: return self else: return self.__class__(self.weekday, n) def __eq__(self, other): try: if self.weekday != other.weekday or self.n != other.n: return False except AttributeError: return False return True __hash__ = None def __repr__(self): s = ("MO", "TU", "WE", "TH", "FR", "SA", "SU")[self.weekday] if not self.n: return s else: return "%s(%+d)" % (s, self.n)