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How to use the idutils.is_isbn function in idutils

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inspirehep / inspire-next / inspire / modules / deposit / validators / simple_fields.py View on Github

def isbn_syntax_validation(form, field):
    """Validate ISBN syntax."""
    message = "The provided ISBN is invalid - it should look \
                similar to '1413304540', '1-4133-0454-0', '978-1413304541' or \
                '978-1-4133-0454-1'."

    if field.data and not is_isbn(field.data):
        raise StopValidation(message)