Ticket #8556: 8556-1.diff

django/db/models/fields/__init__.py

@@ -394 +394 @@
 
 # TODO: Maybe move this into contrib, because it's specialized.
 class CommaSeparatedIntegerField(CharField):
-    pass
+    def formfield(self, **kwargs):
+        defaults = {
+            'form_class': forms.RegexField,
+            'regex': '^[\d,]+$',
+            'max_length': self.max_length,
+        }
+        defaults.update(kwargs)
+        return super(CommaSeparatedIntegerField, self).formfield(**defaults)
 
 ansi_date_re = re.compile(r'^\d{4}-\d{1,2}-\d{1,2}$')
 

django/contrib/admin/options.py

@@ -94 +94 @@
             kwargs['widget'] = widgets.AdminIntegerFieldWidget
             return db_field.formfield(**kwargs)
 
+        # For CommaSeparatedIntegerFields, add a custom CSS class.
+        if isinstance(db_field, models.CommaSeparatedIntegerField):
+            kwargs['widget'] = widgets.AdminCommaSeparatedIntegerFieldWidget
+            return db_field.formfield(**kwargs)
+
         # For TextInputs, add a custom CSS class.
         if isinstance(db_field, models.CharField):
             kwargs['widget'] = widgets.AdminTextInputWidget

django/contrib/admin/widgets.py

@@ -236 +236 @@
         if attrs is not None:
             final_attrs.update(attrs)
         super(AdminIntegerFieldWidget, self).__init__(attrs=final_attrs)
+
+class AdminCommaSeparatedIntegerFieldWidget(forms.TextInput):
+    def __init__(self, attrs=None):
+        final_attrs = {'class': 'vCommaSeparatedIntegerField'}
+        if attrs is not None:
+            final_attrs.update(attrs)
+        super(AdminCommaSeparatedIntegerFieldWidget, self).__init__(attrs=final_attrs)