How to use the creoleparser.core.bldr.tag.__getattr__ function in Creoleparser

def _pagelist(offering, pageversion, macro, environ, prefix=None):
    # all pages [with the given prefix] for this offering
    if prefix:
        pages = Page.objects.filter(offering=offering, label__startswith=prefix)
    else:
        pages = Page.objects.filter(offering=offering)

    # ... except this page (if known)
    if pageversion:
        pages = pages.exclude(id=pageversion.page_id)

    elements = []
    for p in pages:
        link = creoleparser.core.bldr.tag.__getattr__('a')(p.current_version().title or p.label, href=p.label)
        li = creoleparser.core.bldr.tag.__getattr__('li')(link)
        elements.append(li)
    return creoleparser.core.bldr.tag.__getattr__('ul')(elements, **{'class': 'filelist'})

def _pagelist(offering, pageversion, macro, environ, prefix=None):
    # all pages [with the given prefix] for this offering
    if prefix:
        pages = Page.objects.filter(offering=offering, label__startswith=prefix)
    else:
        pages = Page.objects.filter(offering=offering)

    # ... except this page (if known)
    if pageversion:
        pages = pages.exclude(id=pageversion.page_id)

    elements = []
    for p in pages:
        link = creoleparser.core.bldr.tag.__getattr__('a')(p.current_version().title or p.label, href=p.label)
        li = creoleparser.core.bldr.tag.__getattr__('li')(link)
        elements.append(li)
    return creoleparser.core.bldr.tag.__getattr__('ul')(elements, **{'class': 'filelist'})

def _pagelist(offering, pageversion, macro, environ, prefix=None):
    # all pages [with the given prefix] for this offering
    from pages.models import Page
    if prefix:
        pages = Page.objects.filter(offering=offering, label__startswith=prefix)
    else:
        pages = Page.objects.filter(offering=offering)

    # ... except this page (if known)
    if pageversion:
        pages = pages.exclude(id=pageversion.page_id)

    elements = []
    for p in pages:
        link = creoleparser.core.bldr.tag.__getattr__('a')(p.current_version().title or p.label, href=p.label)
        li = creoleparser.core.bldr.tag.__getattr__('li')(link)
        elements.append(li)
    return creoleparser.core.bldr.tag.__getattr__('ul')(elements, **{'class': 'filelist'})