move nbsp_at_start to utils

sourcing/view.py

@@ -12,6 +12,7 @@ from .text import iter_lines, add_highlight
 from werkzeug.debug.tbtools import get_current_traceback
 from jinja2 import evalcontextfilter, Markup
 from functools import wraps
+from .utils import nbsp_at_start
 
 import re
 
@@ -135,21 +136,15 @@ def view_edl(username, hashid):
     if item.type != 'xanadoc':
         return abort(404)
 
-    return render_template('view.html', doc=item, iter_lines=iter_lines)
+    return render_template('view.html',
+                           doc=item,
+                           iter_lines=iter_lines,
+                           nbsp_at_start=nbsp_at_start)
 
 @bp.route('/<username>/<hashid>/raw')
 def view_item_raw(username, hashid):
     return view_item(username, hashid, raw=True)
 
-def nbsp_at_start(text):
-    ''' Protect spaces at the start of a string. '''
-    space_count = 0
-    for c in text:
-        if c != ' ':
-            break
-        space_count += 1
-    return Markup('&nbsp;') * space_count + text[space_count:]
-
 @bp.route('/<username>/<hashid>')
 def view_item(username, hashid, raw=False):
     if ',' in hashid: