textutils

fbf.utils.textutils.html_escape(data)

escape HTML entities.

fbf.utils.textutils.html_unescape(data)

unescape (numeric) HTML entities.

fbf.utils.textutils.replace_entities(match)

ask maze.

fbf.utils.textutils.unescape_charref(ref)

ask maze.

CODE

# fbf/utils/textutils.py
#
#

basic imports

import cgi
import re
import html.entities

unescape_charref function

def unescape_charref(ref):
    """ ask maze. """
    name = ref[2:-1]
    base = 10
    if name.startswith("x"):
        name = name[1:]
        base = 16
    return chr(int(name, base))

replace_entities function

def replace_entities(match):
    """ ask maze. """
    ent = match.group()
    if ent[1] == "#":  return unescape_charref(ent)
    repl = html.entities.nafbfcodepoint.get(ent[1:-1])
    if repl is not None: repl = chr(repl)
    else: repl = ent
    return repl

html_unescape function

def html_unescape(data):
    ''' unescape (numeric) HTML entities. '''
    return re.sub(r"&#?[A-Za-z0-9]+?;", replace_entities, data)

html_escape function

def html_escape(data):
    ''' escape HTML entities. '''
    return cgi.escape(data)