from django.template.defaultfilters import stringfilter
from django.utils.html import escape
from django.utils.safestring import mark_safe
from django.utils.encoding import force_unicode
from django import template
import re
register = template.Library()
def fmt_whitespace(value):
value = re.sub(r'( +| $|^ )', '\\1', value)
return value
@register.filter
@stringfilter
def fmttranslation(value):
value = escape(force_unicode(value))
value = re.sub(r'\r\n|\r|\n', '\n', value) # normalize newlines
paras = re.split('\n', value)
paras = [fmt_whitespace(p) for p in paras]
value = '
'.join(paras)
return mark_safe(value)