# -*- coding: utf-8 -*-
from collections import Sequence
def binary(arg,yes_value='yes',no_value='no'):
    ''' Convert boolean argument to 'yes' or 'no' string value '''
    if isinstance(arg, bool):
        if arg:
            return yes_value
        return no_value
    return arg

class FilterModule(object):
    def filters(self):
        return {
            'binary': binary
        }