Factor out filtering for languages with translation

weblate/accounts/forms.py

@@ -18,7 +18,7 @@ class ProfileForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         super(ProfileForm, self).__init__(*args, **kwargs)
         # Limit languages to ones which have translation
-        qs = Language.objects.filter(translation__total__gt = 0).distinct()
+        qs = Language.objects.have_translation()
         self.fields['languages'].queryset = qs
         self.fields['secondary_languages'].queryset = qs
 

weblate/lang/models.py

@@ -270,6 +270,12 @@ class LanguageManager(models.Manager):
             lang.pluralequation = props[3]
             lang.save()
 
+    def have_translation(self):
+        '''
+        Returns list of languages which have at least one translation.
+        '''
+        return self.filter(translation__total__gt = 0).distinct()
+
 
 def setup_lang(sender=None, **kwargs):
     '''