anys.py

import re

class AnyDict(dict):
    """
    >>> AnyDict(foo=1) == {"foo": 1, "bar": 2}
    True
    >>> AnyDict(foo=2) == {"foo": 1, "bar": 2}
    False
    """

    def __eq__(self, other):
        return isinstance(other, dict) and dict(other, **self) == other


class AnyList(list):
    """
    >>> AnyList([1, 2]) == [1, 2, 3]
    True
    >>> AnyList([4, 5, 6]) == [1, 2, 3]
    False
    """
    def __eq__(self, other):
        return isinstance(other, (list, tuple)) and all(element in other for element in self)


class AnyString(object):
    """
    >>> AnyString() == "asasdfasdfasdf"
    True
    >>> AnyString(r"^http://www") == "http://www.example.com"
    True
    >>> AnyString("com") == "http://www.foo.com"
    True
    >>> AnyString("edu") == "http://www.foo.com"
    False
    """
    def __init__(self, pattern=r".*"):
        super(AnyString, self).__init__()
        self.pattern = pattern

    def __ne__(self, other):
        return not self.__eq__(other)

    def __eq__(self, other):
        return bool(re.search(self.pattern, other))