INNER CODE UNIT · Python

join_words

yezyilomo/django-restql · django_restql/fields.py:98

    def join_words(words, many="are", single="is"):
        word_list = ["`" + word + "`" for word in words]

        if len(words) > 1:
            sentence = " & ".join([", ".join(word_list[:-1]), word_list[-1]])
            return "%s %s" % (many, sentence)
        elif len(words) == 1:
            return "%s %s" % (single, word_list[0])
        return "%s %s" % (single, "[]")

    if not set(create_ops).issubset(set(CREATE_OPERATIONS)):
        msg = (
            "Invalid create operation(s) at `%s`, Supported operations " +
            join_words(CREATE_OPERATIONS)
        ) % "create_ops=%s" % create_ops
        raise InvalidOperation(msg)

    if not set(update_ops).issubset(set(UPDATE_OPERATIONS)):

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