'Returns a MongoDB URI to hosts with the options from mongodb_uri.'

@staticmethod
def copy_uri_options(hosts, mongodb_uri):

    if ('?' in mongodb_uri):
        options = mongodb_uri.split('?', 1)[1]
    else:
        options = None
    uri = ('mongodb://' + hosts)
    if options:
        uri += ('/?' + options)
    return uri
