linebreaksul.py

def linebreaksul(value):
    """
    Converts a series of newlines into list items enclosed in an unordered list.
    """
    unordered_list = "<ul>"

    # split value into individual elements separated by newline
    list_items = value.split('\n')
    for li in list_items:
        unordered_list += "<li>%s</li>" % li

    unordered_list += "</ul>"
    
    return mark_safe(unordered_list)

register.filter(linebreaksul)