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Code Issues 30 Releases Wiki Activity

Added app labels to related fields checks messages E302-E305.

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This commit is contained in:
Mariusz Felisiak 2020-12-28 12:48:07 +01:00
parent 72d04e0385
commit 45519937e5
4 changed files with 222 additions and 111 deletions
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14
django/db/models/fields/related.py
View File

@ -214,14 +214,16 @@ class RelatedField(FieldCacheMixin, Field):
rel_is_hidden = self.remote_field.is_hidden()
rel_name = self.remote_field.get_accessor_name() # i. e. "model_set"
rel_query_name = self.related_query_name() # i. e. "model"
field_name = "%s.%s" % (opts.object_name, self.name) # i. e. "Model.field"
# i.e. "app_label.Model.field".
field_name = '%s.%s' % (opts.label, self.name)
# Check clashes between accessor or reverse query name of `field`
# and any other field name -- i.e. accessor for Model.foreign is
# model_set and it clashes with Target.model_set.
potential_clashes = rel_opts.fields + rel_opts.many_to_many
for clash_field in potential_clashes:
clash_name = "%s.%s" % (rel_opts.object_name, clash_field.name) # i.e. "Target.model_set"
# i.e. "app_label.Target.model_set".
clash_name = '%s.%s' % (rel_opts.label, clash_field.name)
if not rel_is_hidden and clash_field.name == rel_name:
errors.append(
checks.Error(
@ -249,9 +251,11 @@ class RelatedField(FieldCacheMixin, Field):
# Model.m2m accessor.
potential_clashes = (r for r in rel_opts.related_objects if r.field is not self)
for clash_field in potential_clashes:
clash_name = "%s.%s" % ( # i. e. "Model.m2m"
clash_field.related_model._meta.object_name,
clash_field.field.name)
# i.e. "app_label.Model.m2m".
clash_name = '%s.%s' % (
clash_field.related_model._meta.label,
clash_field.field.name,
)
if not rel_is_hidden and clash_field.get_accessor_name() == rel_name:
errors.append(
checks.Error(

17
docs/ref/checks.txt
View File

@ -239,14 +239,15 @@ Related fields
either not installed, or is abstract.
* **fields.E301**: Field defines a relation with the model
``<app_label>.<model>`` which has been swapped out.
* **fields.E302**: Accessor for field ``<model>.<field name>`` clashes with
field ``<model>.<field name>``.
* **fields.E303**: Reverse query name for field ``<model>.<field name>``
clashes with field ``<model>.<field name>``.
* **fields.E304**: Field name ``<model>.<field name>`` clashes with accessor
for ``<model>.<field name>``.
* **fields.E305**: Field name ``<model>.<field name>`` clashes with reverse
query name for ``<model>.<field name>``.
* **fields.E302**: Accessor for field ``<app_label>.<model>.<field name>``
clashes with field ``<app_label>.<model>.<field name>``.
* **fields.E303**: Reverse query name for field
``<app_label>.<model>.<field name>`` clashes with field
``<app_label>.<model>.<field name>``.
* **fields.E304**: Field name ``<app_label>.<model>.<field name>`` clashes with
accessor for ``<app_label>.<model>.<field name>``.
* **fields.E305**: Field name ``<app_label>.<model>.<field name>`` clashes with
reverse query name for ``<app_label>.<model>.<field name>``.
* **fields.E306**: Related name must be a valid Python identifier or end with
a ``'+'``.
* **fields.E307**: The field ``<app label>.<model>.<field name>`` was declared

285
tests/invalid_models_tests/test_relative_fields.py
View File

@ -874,10 +874,14 @@ class AccessorClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.rel' clashes with field name 'Target.model_set'.",
hint=("Rename field 'Target.model_set', or add/change "
"a related_name argument to the definition "
"for field 'Model.rel'."),
"Reverse accessor for 'invalid_models_tests.Model.rel' "
"clashes with field name "
"'invalid_models_tests.Target.model_set'.",
hint=(
"Rename field 'invalid_models_tests.Target.model_set', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.rel'."
),
obj=Model._meta.get_field('rel'),
id='fields.E302',
),
@ -893,19 +897,25 @@ class AccessorClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.foreign' clashes with reverse accessor for 'Model.m2m'.",
"Reverse accessor for 'invalid_models_tests.Model.foreign' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.m2m'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'Model.foreign' or 'Model.m2m'."
"for 'invalid_models_tests.Model.foreign' or "
"'invalid_models_tests.Model.m2m'."
),
obj=Model._meta.get_field('foreign'),
id='fields.E304',
),
Error(
"Reverse accessor for 'Model.m2m' clashes with reverse accessor for 'Model.foreign'.",
"Reverse accessor for 'invalid_models_tests.Model.m2m' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.foreign'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'Model.m2m' or 'Model.foreign'."
"for 'invalid_models_tests.Model.m2m' or "
"'invalid_models_tests.Model.foreign'."
),
obj=Model._meta.get_field('m2m'),
id='fields.E304',
@ -929,10 +939,13 @@ class AccessorClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.children' clashes with field name 'Child.m2m_clash'.",
"Reverse accessor for 'invalid_models_tests.Model.children' "
"clashes with field name "
"'invalid_models_tests.Child.m2m_clash'.",
hint=(
"Rename field 'Child.m2m_clash', or add/change a related_name "
"argument to the definition for field 'Model.children'."
"Rename field 'invalid_models_tests.Child.m2m_clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.children'."
),
obj=Model._meta.get_field('children'),
id='fields.E302',
@ -1000,10 +1013,12 @@ class ReverseQueryNameClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse query name for 'Model.rel' clashes with field name 'Target.model'.",
"Reverse query name for 'invalid_models_tests.Model.rel' "
"clashes with field name 'invalid_models_tests.Target.model'.",
hint=(
"Rename field 'Target.model', or add/change a related_name "
"argument to the definition for field 'Model.rel'."
"Rename field 'invalid_models_tests.Target.model', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.rel'."
),
obj=Model._meta.get_field('rel'),
id='fields.E303',
@ -1056,19 +1071,23 @@ class ExplicitRelatedNameClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.rel' clashes with field name 'Target.clash'.",
"Reverse accessor for 'invalid_models_tests.Model.rel' "
"clashes with field name 'invalid_models_tests.Target.clash'.",
hint=(
"Rename field 'Target.clash', or add/change a related_name "
"argument to the definition for field 'Model.rel'."
"Rename field 'invalid_models_tests.Target.clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.rel'."
),
obj=Model._meta.get_field('rel'),
id='fields.E302',
),
Error(
"Reverse query name for 'Model.rel' clashes with field name 'Target.clash'.",
"Reverse query name for 'invalid_models_tests.Model.rel' "
"clashes with field name 'invalid_models_tests.Target.clash'.",
hint=(
"Rename field 'Target.clash', or add/change a related_name "
"argument to the definition for field 'Model.rel'."
"Rename field 'invalid_models_tests.Target.clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.rel'."
),
obj=Model._meta.get_field('rel'),
id='fields.E303',
@ -1162,10 +1181,12 @@ class ExplicitRelatedQueryNameClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse query name for 'Model.rel' clashes with field name 'Target.clash'.",
"Reverse query name for 'invalid_models_tests.Model.rel' "
"clashes with field name 'invalid_models_tests.Target.clash'.",
hint=(
"Rename field 'Target.clash', or add/change a related_name "
"argument to the definition for field 'Model.rel'."
"Rename field 'invalid_models_tests.Target.clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.rel'."
),
obj=Model._meta.get_field('rel'),
id='fields.E303',
@ -1183,19 +1204,25 @@ class SelfReferentialM2MClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.first_m2m' clashes with reverse accessor for 'Model.second_m2m'.",
"Reverse accessor for 'invalid_models_tests.Model.first_m2m' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.second_m2m'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'Model.first_m2m' or 'Model.second_m2m'."
"for 'invalid_models_tests.Model.first_m2m' or "
"'invalid_models_tests.Model.second_m2m'."
),
obj=Model._meta.get_field('first_m2m'),
id='fields.E304',
),
Error(
"Reverse accessor for 'Model.second_m2m' clashes with reverse accessor for 'Model.first_m2m'.",
"Reverse accessor for 'invalid_models_tests.Model.second_m2m' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.first_m2m'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'Model.second_m2m' or 'Model.first_m2m'."
"for 'invalid_models_tests.Model.second_m2m' or "
"'invalid_models_tests.Model.first_m2m'."
),
obj=Model._meta.get_field('second_m2m'),
id='fields.E304',
@ -1208,10 +1235,13 @@ class SelfReferentialM2MClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.model_set' clashes with field name 'Model.model_set'.",
"Reverse accessor for 'invalid_models_tests.Model.model_set' "
"clashes with field name "
"'invalid_models_tests.Model.model_set'.",
hint=(
"Rename field 'Model.model_set', or add/change a related_name "
"argument to the definition for field 'Model.model_set'."
"Rename field 'invalid_models_tests.Model.model_set', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.model_set'."
),
obj=Model._meta.get_field('model_set'),
id='fields.E302',
@ -1224,10 +1254,12 @@ class SelfReferentialM2MClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse query name for 'Model.model' clashes with field name 'Model.model'.",
"Reverse query name for 'invalid_models_tests.Model.model' "
"clashes with field name 'invalid_models_tests.Model.model'.",
hint=(
"Rename field 'Model.model', or add/change a related_name "
"argument to the definition for field 'Model.model'."
"Rename field 'invalid_models_tests.Model.model', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.model'."
),
obj=Model._meta.get_field('model'),
id='fields.E303',
@ -1241,19 +1273,23 @@ class SelfReferentialM2MClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.m2m' clashes with field name 'Model.clash'.",
"Reverse accessor for 'invalid_models_tests.Model.m2m' "
"clashes with field name 'invalid_models_tests.Model.clash'.",
hint=(
"Rename field 'Model.clash', or add/change a related_name "
"argument to the definition for field 'Model.m2m'."
"Rename field 'invalid_models_tests.Model.clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.m2m'."
),
obj=Model._meta.get_field('m2m'),
id='fields.E302',
),
Error(
"Reverse query name for 'Model.m2m' clashes with field name 'Model.clash'.",
"Reverse query name for 'invalid_models_tests.Model.m2m' "
"clashes with field name 'invalid_models_tests.Model.clash'.",
hint=(
"Rename field 'Model.clash', or add/change a related_name "
"argument to the definition for field 'Model.m2m'."
"Rename field 'invalid_models_tests.Model.clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.m2m'."
),
obj=Model._meta.get_field('m2m'),
id='fields.E303',
@ -1277,11 +1313,13 @@ class SelfReferentialFKClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.model_set' clashes with field name 'Model.model_set'.",
"Reverse accessor for 'invalid_models_tests.Model.model_set' "
"clashes with field name "
"'invalid_models_tests.Model.model_set'.",
hint=(
"Rename field 'Model.model_set', or add/change "
"a related_name argument to the definition "
"for field 'Model.model_set'."
"Rename field 'invalid_models_tests.Model.model_set', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.model_set'."
),
obj=Model._meta.get_field('model_set'),
id='fields.E302',
@ -1294,10 +1332,12 @@ class SelfReferentialFKClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse query name for 'Model.model' clashes with field name 'Model.model'.",
"Reverse query name for 'invalid_models_tests.Model.model' "
"clashes with field name 'invalid_models_tests.Model.model'.",
hint=(
"Rename field 'Model.model', or add/change a related_name "
"argument to the definition for field 'Model.model'."
"Rename field 'invalid_models_tests.Model.model', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.model'."
),
obj=Model._meta.get_field('model'),
id='fields.E303',
@ -1311,19 +1351,23 @@ class SelfReferentialFKClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.foreign' clashes with field name 'Model.clash'.",
"Reverse accessor for 'invalid_models_tests.Model.foreign' "
"clashes with field name 'invalid_models_tests.Model.clash'.",
hint=(
"Rename field 'Model.clash', or add/change a related_name "
"argument to the definition for field 'Model.foreign'."
"Rename field 'invalid_models_tests.Model.clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.foreign'."
),
obj=Model._meta.get_field('foreign'),
id='fields.E302',
),
Error(
"Reverse query name for 'Model.foreign' clashes with field name 'Model.clash'.",
"Reverse query name for 'invalid_models_tests.Model.foreign' "
"clashes with field name 'invalid_models_tests.Model.clash'.",
hint=(
"Rename field 'Model.clash', or add/change a related_name "
"argument to the definition for field 'Model.foreign'."
"Rename field 'invalid_models_tests.Model.clash', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.foreign'."
),
obj=Model._meta.get_field('foreign'),
id='fields.E303',
@ -1355,89 +1399,144 @@ class ComplexClashTests(SimpleTestCase):
self.assertEqual(Model.check(), [
Error(
"Reverse accessor for 'Model.foreign_1' clashes with field name 'Target.id'.",
hint=("Rename field 'Target.id', or add/change a related_name "
"argument to the definition for field 'Model.foreign_1'."),
"Reverse accessor for 'invalid_models_tests.Model.foreign_1' "
"clashes with field name 'invalid_models_tests.Target.id'.",
hint=(
"Rename field 'invalid_models_tests.Target.id', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.foreign_1'."
),
obj=Model._meta.get_field('foreign_1'),
id='fields.E302',
),
Error(
"Reverse query name for 'Model.foreign_1' clashes with field name 'Target.id'.",
hint=("Rename field 'Target.id', or add/change a related_name "
"argument to the definition for field 'Model.foreign_1'."),
"Reverse query name for 'invalid_models_tests.Model.foreign_1' "
"clashes with field name 'invalid_models_tests.Target.id'.",
hint=(
"Rename field 'invalid_models_tests.Target.id', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.foreign_1'."
),
obj=Model._meta.get_field('foreign_1'),
id='fields.E303',
),
Error(
"Reverse accessor for 'Model.foreign_1' clashes with reverse accessor for 'Model.m2m_1'.",
hint=("Add or change a related_name argument to "
"the definition for 'Model.foreign_1' or 'Model.m2m_1'."),
"Reverse accessor for 'invalid_models_tests.Model.foreign_1' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.m2m_1'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.foreign_1' or "
"'invalid_models_tests.Model.m2m_1'."
),
obj=Model._meta.get_field('foreign_1'),
id='fields.E304',
),
Error(
"Reverse query name for 'Model.foreign_1' clashes with reverse query name for 'Model.m2m_1'.",
hint=("Add or change a related_name argument to "
"the definition for 'Model.foreign_1' or 'Model.m2m_1'."),
"Reverse query name for 'invalid_models_tests.Model.foreign_1' "
"clashes with reverse query name for "
"'invalid_models_tests.Model.m2m_1'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.foreign_1' or "
"'invalid_models_tests.Model.m2m_1'."
),
obj=Model._meta.get_field('foreign_1'),
id='fields.E305',
),
Error(
"Reverse accessor for 'Model.foreign_2' clashes with reverse accessor for 'Model.m2m_2'.",
hint=("Add or change a related_name argument "
"to the definition for 'Model.foreign_2' or 'Model.m2m_2'."),
"Reverse accessor for 'invalid_models_tests.Model.foreign_2' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.m2m_2'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.foreign_2' or "
"'invalid_models_tests.Model.m2m_2'."
),
obj=Model._meta.get_field('foreign_2'),
id='fields.E304',
),
Error(
"Reverse query name for 'Model.foreign_2' clashes with reverse query name for 'Model.m2m_2'.",
hint=("Add or change a related_name argument to "
"the definition for 'Model.foreign_2' or 'Model.m2m_2'."),
"Reverse query name for 'invalid_models_tests.Model.foreign_2' "
"clashes with reverse query name for "
"'invalid_models_tests.Model.m2m_2'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.foreign_2' or "
"'invalid_models_tests.Model.m2m_2'."
),
obj=Model._meta.get_field('foreign_2'),
id='fields.E305',
),
Error(
"Reverse accessor for 'Model.m2m_1' clashes with field name 'Target.id'.",
hint=("Rename field 'Target.id', or add/change a related_name "
"argument to the definition for field 'Model.m2m_1'."),
"Reverse accessor for 'invalid_models_tests.Model.m2m_1' "
"clashes with field name 'invalid_models_tests.Target.id'.",
hint=(
"Rename field 'invalid_models_tests.Target.id', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.m2m_1'."
),
obj=Model._meta.get_field('m2m_1'),
id='fields.E302',
),
Error(
"Reverse query name for 'Model.m2m_1' clashes with field name 'Target.id'.",
hint=("Rename field 'Target.id', or add/change a related_name "
"argument to the definition for field 'Model.m2m_1'."),
"Reverse query name for 'invalid_models_tests.Model.m2m_1' "
"clashes with field name 'invalid_models_tests.Target.id'.",
hint=(
"Rename field 'invalid_models_tests.Target.id', or "
"add/change a related_name argument to the definition for "
"field 'invalid_models_tests.Model.m2m_1'."
),
obj=Model._meta.get_field('m2m_1'),
id='fields.E303',
),
Error(
"Reverse accessor for 'Model.m2m_1' clashes with reverse accessor for 'Model.foreign_1'.",
hint=("Add or change a related_name argument to the definition "
"for 'Model.m2m_1' or 'Model.foreign_1'."),
"Reverse accessor for 'invalid_models_tests.Model.m2m_1' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.foreign_1'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.m2m_1' or "
"'invalid_models_tests.Model.foreign_1'."
),
obj=Model._meta.get_field('m2m_1'),
id='fields.E304',
),
Error(
"Reverse query name for 'Model.m2m_1' clashes with reverse query name for 'Model.foreign_1'.",
hint=("Add or change a related_name argument to "
"the definition for 'Model.m2m_1' or 'Model.foreign_1'."),
"Reverse query name for 'invalid_models_tests.Model.m2m_1' "
"clashes with reverse query name for "
"'invalid_models_tests.Model.foreign_1'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.m2m_1' or "
"'invalid_models_tests.Model.foreign_1'."
),
obj=Model._meta.get_field('m2m_1'),
id='fields.E305',
),
Error(
"Reverse accessor for 'Model.m2m_2' clashes with reverse accessor for 'Model.foreign_2'.",
hint=("Add or change a related_name argument to the definition "
"for 'Model.m2m_2' or 'Model.foreign_2'."),
"Reverse accessor for 'invalid_models_tests.Model.m2m_2' "
"clashes with reverse accessor for "
"'invalid_models_tests.Model.foreign_2'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.m2m_2' or "
"'invalid_models_tests.Model.foreign_2'."
),
obj=Model._meta.get_field('m2m_2'),
id='fields.E304',
),
Error(
"Reverse query name for 'Model.m2m_2' clashes with reverse query name for 'Model.foreign_2'.",
hint=("Add or change a related_name argument to the definition "
"for 'Model.m2m_2' or 'Model.foreign_2'."),
"Reverse query name for 'invalid_models_tests.Model.m2m_2' "
"clashes with reverse query name for "
"'invalid_models_tests.Model.foreign_2'.",
hint=(
"Add or change a related_name argument to the definition "
"for 'invalid_models_tests.Model.m2m_2' or "
"'invalid_models_tests.Model.foreign_2'."
),
obj=Model._meta.get_field('m2m_2'),
id='fields.E305',
),
@ -1458,11 +1557,13 @@ class ComplexClashTests(SimpleTestCase):
]
self.assertEqual(Child.check(), [
Error(
"Reverse %s for 'Child.%s' clashes with reverse %s for "
"'Child.%s'." % (attr, field_name, attr, clash_name),
"Reverse %s for 'invalid_models_tests.Child.%s' clashes with "
"reverse %s for 'invalid_models_tests.Child.%s'."
% (attr, field_name, attr, clash_name),
hint=(
"Add or change a related_name argument to the definition "
"for 'Child.%s' or 'Child.%s'." % (field_name, clash_name)
"for 'invalid_models_tests.Child.%s' or "
"'invalid_models_tests.Child.%s'." % (field_name, clash_name)
),
obj=Child._meta.get_field(field_name),
id=error_id,

17
tests/model_inheritance/test_abstract_inheritance.py
View File

@ -225,19 +225,24 @@ class AbstractInheritanceTests(SimpleTestCase):
Foo._meta.get_field('foo').check(),
[
Error(
"Reverse accessor for 'Foo.foo' clashes with field name 'Descendant.foo'.",
"Reverse accessor for 'model_inheritance.Foo.foo' clashes "
"with field name 'model_inheritance.Descendant.foo'.",
hint=(
"Rename field 'Descendant.foo', or add/change a related_name "
"argument to the definition for field 'Foo.foo'."
"Rename field 'model_inheritance.Descendant.foo', or "
"add/change a related_name argument to the definition "
"for field 'model_inheritance.Foo.foo'."
),
obj=Foo._meta.get_field('foo'),
id='fields.E302',
),
Error(
"Reverse query name for 'Foo.foo' clashes with field name 'Descendant.foo'.",
"Reverse query name for 'model_inheritance.Foo.foo' "
"clashes with field name "
"'model_inheritance.Descendant.foo'.",
hint=(
"Rename field 'Descendant.foo', or add/change a related_name "
"argument to the definition for field 'Foo.foo'."
"Rename field 'model_inheritance.Descendant.foo', or "
"add/change a related_name argument to the definition "
"for field 'model_inheritance.Foo.foo'."
),
obj=Foo._meta.get_field('foo'),
id='fields.E303',