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Fixed #12455 -- corrected an oversight in result_headers not honoring…

… admin_order_field

This finishes some slightly refactoring that went into the admin_list
template tags.

Thanks to kegan for discovering the oversight.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12157 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit a689ba95947e29094dbb7d92d2784edb5e58482c 1 parent 6e756a3
@brosner brosner authored
View
20 django/contrib/admin/templatetags/admin_list.py
@@ -76,17 +76,17 @@ def result_headers(cl):
lookup_opts = cl.lookup_opts
for i, field_name in enumerate(cl.list_display):
- attr = None
- try:
- f = lookup_opts.get_field(field_name)
- admin_order_field = None
- header = f.verbose_name
- except models.FieldDoesNotExist:
- header = label_for_field(field_name, cl.model, cl.model_admin)
+ header, attr = label_for_field(field_name, cl.model,
+ model_admin = cl.model_admin,
+ return_attr = True
+ )
+ if attr:
# if the field is the action checkbox: no sorting and special class
if field_name == 'action_checkbox':
- yield {"text": header,
- "class_attrib": mark_safe(' class="action-checkbox-column"')}
+ yield {
+ "text": header,
+ "class_attrib": mark_safe(' class="action-checkbox-column"')
+ }
continue
header = pretty_name(header)
@@ -98,6 +98,8 @@ def result_headers(cl):
# So this _is_ a sortable non-field. Go to the yield
# after the else clause.
+ else:
+ admin_order_field = None
th_classes = []
new_order_type = 'asc'
View
49 django/contrib/admin/util.py
@@ -250,32 +250,41 @@ def lookup_field(name, obj, model_admin=None):
value = getattr(obj, f.attname)
return f, attr, value
-def label_for_field(name, model, model_admin):
+def label_for_field(name, model, model_admin=None, return_attr=False):
+ attr = None
try:
- return model._meta.get_field_by_name(name)[0].verbose_name
+ label = model._meta.get_field_by_name(name)[0].verbose_name
except models.FieldDoesNotExist:
if name == "__unicode__":
- return force_unicode(model._meta.verbose_name)
- if name == "__str__":
- return smart_str(model._meta.verbose_name)
- if callable(name):
- attr = name
- elif hasattr(model_admin, name):
- attr = getattr(model_admin, name)
- elif hasattr(model, name):
- attr = getattr(model, name)
+ label = force_unicode(model._meta.verbose_name)
+ elif name == "__str__":
+ label = smart_str(model._meta.verbose_name)
else:
- raise AttributeError
+ if callable(name):
+ attr = name
+ elif model_admin is not None and hasattr(model_admin, name):
+ attr = getattr(model_admin, name)
+ elif hasattr(model, name):
+ attr = getattr(model, name)
+ else:
+ message = "Unable to lookup '%s' on %s" % (name, model._meta.object_name)
+ if model_admin:
+ message += " or %s" % (model_admin.__name__,)
+ raise AttributeError(message)
- if hasattr(attr, "short_description"):
- return attr.short_description
- elif callable(attr):
- if attr.__name__ == "<lambda>":
- return "--"
+ if hasattr(attr, "short_description"):
+ label = attr.short_description
+ elif callable(attr):
+ if attr.__name__ == "<lambda>":
+ label = "--"
+ else:
+ label = attr.__name__
else:
- return attr.__name__
- else:
- return name
+ label = name
+ if return_attr:
+ return (label, attr)
+ else:
+ return label
def display_for_field(value, field):
View
19 tests/regressiontests/admin_util/models.py
@@ -1 +1,18 @@
-# needed for tests
+from django.db import models
+
+
+
+class Article(models.Model):
+ """
+ A simple Article model for testing
+ """
+ title = models.CharField(max_length=100)
+ title2 = models.CharField(max_length=100, verbose_name="another name")
+ created = models.DateTimeField()
+
+ def test_from_model(self):
+ return "nothing"
+
+ def test_from_model_with_override(self):
+ return "nothing"
+ test_from_model_with_override.short_description = "not what you expect"
View
81 tests/regressiontests/admin_util/tests.py
@@ -3,12 +3,15 @@
from django.db import models
from django.contrib import admin
-from django.contrib.admin.util import display_for_field
+from django.contrib.admin.util import display_for_field, label_for_field
from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE
+from models import Article
+
class UtilTests(unittest.TestCase):
+
def test_null_display_for_field(self):
"""
Regression test for #12550: display_for_field should handle None
@@ -38,3 +41,79 @@ def test_null_display_for_field(self):
display_value = display_for_field(None, models.FloatField())
self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
+
+ def test_label_for_field(self):
+ """
+ Tests for label_for_field
+ """
+ self.assertEquals(
+ label_for_field("title", Article),
+ "title"
+ )
+ self.assertEquals(
+ label_for_field("title2", Article),
+ "another name"
+ )
+ self.assertEquals(
+ label_for_field("title2", Article, return_attr=True),
+ ("another name", None)
+ )
+
+ self.assertEquals(
+ label_for_field("__unicode__", Article),
+ "article"
+ )
+ self.assertEquals(
+ label_for_field("__str__", Article),
+ "article"
+ )
+
+ self.assertRaises(
+ AttributeError,
+ lambda: label_for_field("unknown", Article)
+ )
+
+ def test_callable(obj):
+ return "nothing"
+ self.assertEquals(
+ label_for_field(test_callable, Article),
+ "test_callable"
+ )
+ self.assertEquals(
+ label_for_field(test_callable, Article, return_attr=True),
+ ("test_callable", test_callable)
+ )
+
+ self.assertEquals(
+ label_for_field("test_from_model", Article),
+ "test_from_model"
+ )
+ self.assertEquals(
+ label_for_field("test_from_model", Article, return_attr=True),
+ ("test_from_model", Article.test_from_model)
+ )
+ self.assertEquals(
+ label_for_field("test_from_model_with_override", Article),
+ "not what you expect"
+ )
+
+ self.assertEquals(
+ label_for_field(lambda x: "nothing", Article),
+ "--"
+ )
+
+ class MockModelAdmin(object):
+ def test_from_model(self, obj):
+ return "nothing"
+ test_from_model.short_description = "not really the model"
+ self.assertEquals(
+ label_for_field("test_from_model", Article, model_admin=MockModelAdmin),
+ "not really the model"
+ )
+ self.assertEquals(
+ label_for_field("test_from_model", Article,
+ model_admin = MockModelAdmin,
+ return_attr = True
+ ),
+ ("not really the model", MockModelAdmin.test_from_model)
+ )
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