text_tags: nbsp template tag.

utils/templatetags/text_tags.py

@@ -2,6 +2,8 @@
 from __future__ import unicode_literals
 # Erik Stein <code@classlibrary.net>, 2015
 
+import re
+
 from django import template
 from django.template.defaultfilters import stringfilter
 from django.utils.html import conditional_escape
@@ -24,3 +26,17 @@ def conditional_punctuation(value, punctuation=",", space=" "):
         value += conditional_escape(space)  # Append previously stripped space
     return value
 conditional_punctuation.is_safe = True
+
+
+WHITESPACE = re.compile('\s+')
+
+
+@register.filter(needs_autoescape=True)
+@stringfilter
+def nbsp(text, autoescape=True):
+    if autoescape:
+        esc = conditional_escape
+    else:
+        esc = lambda x: x
+    return mark_safe(WHITESPACE.sub('&nbsp;', esc(text.strip())))
+