def wbr(value, max=35):
"""\
Injects zero-width word break characters in long blocks of text that have
no natural word break points.
"""
value = re.sub(r'([^\s\u200b]{' + str(max) + r'})', '\\1\u200b', value)
value = re.sub('\u200b$', '', value)
return value
def add_wbr_to_html(t):
parts = []
for part in re.split(r'(<[^>]*>)', t):
if part == '': continue
if part.startswith('<'):
parts.append(part)
else:
part = html.unescape(part)
part = re.sub(r'([^\s\u200b]{35})', '\\1\u200b', part)
parts.append(html.escape(part))
return ''.join(parts)
