def flavor_field_data(request, include_empty_option=False):
    """Returns a list of tuples of all image flavors.

    Generates a list of image flavors available. And returns a list of
    (id, name) tuples.

    :param request: django http request object
    :param include_empty_option: flag to include a empty tuple in the front of
        the list
    :return: list of (id, name) tuples
    """
    flavors = flavor_list(request)
    if flavors:
        flavors_list = sort_flavor_list(request, flavors)
        if include_empty_option:
            return [("", _("Select Flavor")), ] + flavors_list
        return flavors_list

    if include_empty_option:
        return [("", _("No flavors available")), ]
    return []
Returns a list of tuples of all image flavors.

    Generates a list of image flavors available. And returns a list of
    (id, name) tuples.

    :param request: django http request object
    :param include_empty_option: flag to include a empty tuple in the front of
        the list
    :return: list of (id, name) tuples