try:
    from collections.abc import Mapping
    from collections.abc import Sequence
except ImportError:
    from collections import Mapping
    from collections import Sequence
import six

def foo(desire, current):
    if isinstance(desire, Mapping):
        return isinstance(current, Mapping) and all(
            foo(val, current.get(key))
            for key, val in six.viewitems(desire)
        )
    elif isinstance(desire, Sequence) and not isinstance(
        desire, six.string_types
    ):
        return (
            isinstance(current, Sequence)
            and not isinstance(current, six.string_types)
            and len(current) == len(desire)
            and all(foo(d, c) for d, c in zip(desire, current))
        )
    else:
        return desire == current