Merge pull request #4752 from rtfd/humitos/domain/extend-form

Allow to extend the DomainForm from outside

Author: humitos

readthedocs/projects/forms.py

@@ -626,7 +626,7 @@ def save(self, **_):  # pylint: disable=arguments-differ
         return redirect
 
 
-class DomainForm(forms.ModelForm):
+class DomainBaseForm(forms.ModelForm):
 
     """Form to configure a custom domain name for a project."""
 
@@ -638,7 +638,7 @@ class Meta(object):
 
     def __init__(self, *args, **kwargs):
         self.project = kwargs.pop('project', None)
-        super(DomainForm, self).__init__(*args, **kwargs)
+        super(DomainBaseForm, self).__init__(*args, **kwargs)
 
     def clean_project(self):
         return self.project
@@ -662,6 +662,10 @@ def clean_canonical(self):
         return canonical
 
 
+class DomainForm(SettingsOverrideObject):
+    _default_class = DomainBaseForm
+
+
 class IntegrationForm(forms.ModelForm):
 
     """