def media_tags_as_string(media_entry_tags):
    """
    Generate a string from a media item's tags, stored as a list of dicts

    This is the opposite of convert_to_tag_list_of_dicts
    """
    tags_string = ''
    if media_entry_tags:
        tags_string = u', '.join([tag['name'] for tag in media_entry_tags])
    return tags_string