Nice manager representations on serializer classes

rest_framework/utils/representation.py

@@ -2,10 +2,23 @@
 Helper functions for creating user-friendly representations
 of serializer classes and serializer fields.
 """
+from django.db import models
 import re
 
 
+def manager_repr(value):
+    model = value.model
+    opts = model._meta
+    for _, name, manager in opts.concrete_managers + opts.abstract_managers:
+        if manager == value:
+            return '%s.%s.all()' % (model._meta.object_name, name)
+    return repr(value)
+
+
 def smart_repr(value):
+    if isinstance(value, models.Manager):
+        return manager_repr(value)
+
     value = repr(value)
 
     # Representations like u'help text'

tests/test_model_field_mappings.py

@@ -81,9 +81,9 @@ class RelationalModel(models.Model):
 RELATIONAL_FLAT_REPR = """
 TestSerializer():
     id = IntegerField(label='ID', read_only=True)
-    foreign_key = PrimaryKeyRelatedField(label='foreign key', queryset=<django.db.models.manager.Manager object>)
-    one_to_one = PrimaryKeyRelatedField(label='one to one', queryset=<django.db.models.manager.Manager object>)
-    many_to_many = PrimaryKeyRelatedField(label='many to many', many=True, queryset=<django.db.models.manager.Manager object>)
+    foreign_key = PrimaryKeyRelatedField(label='foreign key', queryset=ForeignKeyTargetModel.objects.all())
+    one_to_one = PrimaryKeyRelatedField(label='one to one', queryset=OneToOneTargetModel.objects.all())
+    many_to_many = PrimaryKeyRelatedField(label='many to many', many=True, queryset=ManyToManyTargetModel.objects.all())
 """.strip()
 
 
@@ -105,9 +105,9 @@ TestSerializer():
 HYPERLINKED_FLAT_REPR = """
 TestSerializer():
     url = HyperlinkedIdentityField(view_name='relationalmodel-detail')
-    foreign_key = HyperlinkedRelatedField(label='foreign key', queryset=<django.db.models.manager.Manager object>, view_name='foreignkeytargetmodel-detail')
-    one_to_one = HyperlinkedRelatedField(label='one to one', queryset=<django.db.models.manager.Manager object>, view_name='onetoonetargetmodel-detail')
-    many_to_many = HyperlinkedRelatedField(label='many to many', many=True, queryset=<django.db.models.manager.Manager object>, view_name='manytomanytargetmodel-detail')
+    foreign_key = HyperlinkedRelatedField(label='foreign key', queryset=ForeignKeyTargetModel.objects.all(), view_name='foreignkeytargetmodel-detail')
+    one_to_one = HyperlinkedRelatedField(label='one to one', queryset=OneToOneTargetModel.objects.all(), view_name='onetoonetargetmodel-detail')
+    many_to_many = HyperlinkedRelatedField(label='many to many', many=True, queryset=ManyToManyTargetModel.objects.all(), view_name='manytomanytargetmodel-detail')
 """.strip()