Added dynamic examples for CSV form fields

netbox/utilities/forms.py

@@ -235,7 +235,7 @@ class CSVDataField(forms.CharField):
         if not self.initial:
             self.initial = ','.join(required_fields) + '\n'
         if not self.help_text:
-            self.help_text = 'Enter the list of column headers followed by one line per record to be imported. Use ' \
+            self.help_text = 'Enter the list of column headers followed by one line per record to be imported, using ' \
                              'commas to separate values. Multi-line data and values containing commas may be wrapped ' \
                              'in double quotes.'
 

netbox/utilities/templatetags/form_helpers.py

@@ -40,7 +40,9 @@ def widget_type(field):
     """
     Return the widget type
     """
-    try:
+    if hasattr(field, 'widget'):
+        return field.widget.__class__.__name__.lower()
+    elif hasattr(field, 'field'):
         return field.field.widget.__class__.__name__.lower()
-    except AttributeError:
+    else:
         return None

netbox/utilities/templatetags/helpers.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from markdown import markdown
 
 from django import template
@@ -60,6 +62,22 @@ def bettertitle(value):
     return ' '.join([w[0].upper() + w[1:] for w in value.split()])
 
 
+@register.filter()
+def example_choices(value, arg=3):
+    """
+    Returns a number (default: 3) of example choices for a ChoiceFiled (useful for CSV import forms).
+    """
+    choices = []
+    for id, label in value:
+        if len(choices) == arg:
+            choices.append('etc.')
+            break
+        if not id:
+            continue
+        choices.append(label)
+    return ', '.join(choices) or 'None found'
+
+
 #
 # Tags
 #