Refactored format panel building

boards/forms/__init__.py

@@ -29,6 +29,8 b' from boards.utils import validate_file_s'
     FILE_EXTENSION_DELIMITER, get_tripcode_from_text
 from boards.settings import SECTION_FORMS
 
+FORMAT_PANEL_BUTTON = '<span class="mark_btn" ' \
+                      'onClick="addMarkToMsg(\'{}\',  \'{}\')">{}{}{}</span>'
 
 POW_HASH_LENGTH = 16
 POW_LIFE_MINUTES = 5
@@ -103,19 +105,24 b' class FormatPanel(forms.Textarea):'
     """
 
     def render(self, name, value, attrs=None):
-        output = '<div id="mark-panel">'
-        for formatter in formatters:
-            output += '<span class="mark_btn"' + \
-                      ' onClick="addMarkToMsg(\'' + formatter.format_left + \
-                      '\', \'' + formatter.format_right + '\')">' + \
-                      formatter.preview_left + formatter.name + \
-                      formatter.preview_right + '</span>'
+        output_template = '<div id="mark-panel">{}</div>'
 
-        output += '</div>'
+        buttons = [self._get_button(formatter) for formatter in formatters]
+
+        output = output_template.format(''.join(buttons))
+
         output += super(FormatPanel, self).render(name, value, attrs=attrs)
 
         return output
 
+    def _get_button(self, formatter):
+        return FORMAT_PANEL_BUTTON.format(
+            formatter.format_left,
+            formatter.format_right,
+            formatter.preview_left,
+            formatter.name,
+            formatter.preview_right)
+
 
 class PlainErrorList(ErrorList):
     def __unicode__(self):