src/cm/utils/html.py
author gibus
Tue, 12 Jun 2012 14:00:32 +0200
changeset 449 5387c032df35
parent 175 4f072edc51a1
permissions -rw-r--r--
In role_teacher model, individual students can see their own comments but also teacher's ones, whereas individual students' comments cannot be seen by students.

"""
Package to manipulage html chunks
"""

from string_utils import strip_cr
from BeautifulSoup import BeautifulSoup, Comment

def surrond_text_node(html_chunk, start_html, end_html):
    """
    Surround text nodes in html_chunk
    """
    soup = BeautifulSoup(html_chunk)
    text_nodes = get_text_nodes(soup)
    for text_node in text_nodes:        
        if text_node.string.strip():
            text_node.replaceWith(start_html + text_node.string + end_html)
    return unicode(soup)
    

#utilities    
def get_text_nodes(soup):
    return soup(text=lambda text:not isinstance(text, Comment))

#WARNING behavior changed also for mardown. but really shouldn't hurt 20100212
#it is text as received from textarea
def on_content_receive(txt, format) :
    #because textarea content arent packaged the same way on windows IE and linux FF, dhouldn't't hurt to clean it for any format
    return strip_cr(txt)