# some utilities for django THINGS
from django.contrib.markup.templatetags.markup import markdown as md
import BeautifulSoup

def markdown(val): return md(val)

def summarize(val, striptags=True):
    bs = BeautifulSoup.BeautifulSoup(markdown(val))
    try:
        firstParagraph = bs('p')[0]
    except IndexError:
        return 'no summary available'
    if not striptags: return str(firstParagraph)
    return BeautifulStriptags(firstParagraph)

def htmlstrip(htmlstr):
    bs = BeautifulSoup.BeautifulSoup(htmlstr)
    return BeautifulStriptags(bs).strip()

def BeautifulStriptags(bfsobj):
    items = bfsobj.contents
    s = ""
    for item in items:
        if type(item) == BeautifulSoup.NavigableString: s += str(item)
        else:
            if len(item.contents): s += BeautifulStriptags(item)
            else: pass
    return s.strip()