Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
-+-
 Reporter:  Sean Legassick   |Owner:  Tim
 |  Graham 
 Type:  Bug  |   Status:  closed
Component:  contrib.auth |  Version:  master
 Severity:  Normal   |   Resolution:  fixed
 Keywords:   | Triage Stage:  Accepted
Has patch:  1|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Tim Graham ):

 * owner:  (none) => Tim Graham 
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"bec651a427fc032d9115d30c8c5d0e702d754f6c" bec651a]:
 {{{
 #!CommitTicketReference repository=""
 revision="bec651a427fc032d9115d30c8c5d0e702d754f6c"
 Fixed #10827 -- Ensured ContentTypes are created before permission
 creation.
 }}}

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+
 Reporter:  Sean Legassick  |Owner:  (none)
 Type:  Bug |   Status:  new
Component:  contrib.auth|  Version:  master
 Severity:  Normal  |   Resolution:
 Keywords:  | Triage Stage:  Accepted
Has patch:  1   |  Needs documentation:  0
  Needs tests:  0   |  Patch needs improvement:  0
Easy pickings:  0   |UI/UX:  0
+
Changes (by Claude Paroz):

 * needs_tests:  1 => 0


Comment:

 [https://github.com/django/django/pull/10001 PR]

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+
 Reporter:  Sean Legassick  |Owner:  (none)
 Type:  Bug |   Status:  new
Component:  contrib.auth|  Version:  master
 Severity:  Normal  |   Resolution:
 Keywords:  | Triage Stage:  Accepted
Has patch:  1   |  Needs documentation:  0
  Needs tests:  1   |  Patch needs improvement:  0
Easy pickings:  0   |UI/UX:  0
+

Comment (by Jared Proffitt):

 Michał's fix work for me as well. If I move
 `'django.contrib.contenttypes'` before `'django.contrib.auth'` in
 `INSTALLED_APPS`, it works.

 Would be nice to either have a fix that doesn't require that specific
 order of apps, or some documentation mentioning you need the specific app
 order.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+
 Reporter:  Sean Legassick  |Owner:  (none)
 Type:  Bug |   Status:  new
Component:  contrib.auth|  Version:  master
 Severity:  Normal  |   Resolution:
 Keywords:  | Triage Stage:  Accepted
Has patch:  1   |  Needs documentation:  0
  Needs tests:  1   |  Patch needs improvement:  0
Easy pickings:  0   |UI/UX:  0
+

Comment (by Michał Pasternak):

 Moving contenttypes apps before auth in INSTALLED_APPS fixed it.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+
 Reporter:  Sean Legassick  |Owner:  (none)
 Type:  Bug |   Status:  new
Component:  contrib.auth|  Version:  master
 Severity:  Normal  |   Resolution:
 Keywords:  | Triage Stage:  Accepted
Has patch:  1   |  Needs documentation:  0
  Needs tests:  1   |  Patch needs improvement:  0
Easy pickings:  0   |UI/UX:  0
+

Comment (by Michał Pasternak):

 I am having this problem with Django 1.11.5 and purest with pytest-django


 {{{
  ERROR at
 teardown of test_foo
 

 self = 

 def _commit(self):
 if self.connection is not None:
 with self.wrap_database_errors:
 >   return self.connection.commit()
 E   psycopg2.IntegrityError: BD:  wstawianie lub
 modyfikacja na tabeli "auth_permission" narusza klucz obcy
 "auth_permission_content_type_id_2f476e4b_fk_django_co"
 E   DETAIL:  Klucz (content_type_id)=(893) nie wyst��puje w
 tabeli "django_content_type".

 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/db/backends/base/base.py:236: IntegrityError

 The above exception was the direct cause of the following exception:

 self = 

 def _post_teardown(self):
 """Performs any post-test things. This includes:

 * Flushing the contents of the database, to leave a clean
 slate. If
   the class has an 'available_apps' attribute, post_migrate
 isn't fired.
 * Force-closing the connection, so the next test gets a clean
 cursor.
 """
 try:
 >   self._fixture_teardown()

 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/test/testcases.py:925:
 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 _ _ _ _ _ _
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/test/testcases.py:960: in _fixture_teardown
 inhibit_post_migrate=inhibit_post_migrate)
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/core/management/__init__.py:131: in call_command
 return command.execute(*args, **defaults)
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/core/management/base.py:330: in execute
 output = self.handle(*args, **options)
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/core/management/commands/flush.py:88: in handle
 emit_post_migrate_signal(verbosity, interactive, database)
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/core/management/sql.py:53: in emit_post_migrate_signal
 **kwargs
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/dispatch/dispatcher.py:193: in send
 for receiver in self._live_receivers(sender)
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/dispatch/dispatcher.py:193: in 
 for receiver in self._live_receivers(sender)
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/contrib/auth/management/__init__.py:83: in
 create_permissions
 Permission.objects.using(using).bulk_create(perms)
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/db/models/query.py:449: in bulk_create
 obj_without_pk._state.db = self.db
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/db/transaction.py:223: in __exit__
 connection.commit()
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/db/backends/base/base.py:262: in commit
 self._commit()
 ../../envs/django-bpp/lib/python3.6/site-
 packages/django/db/backends/base/base.py:236: in _commit
 return self.connection.commit()
 ../../envs/django-bpp/lib/python3.6/site-packages/django/db/utils.py:94:
 in __exit__
 six.reraise(dj_exc_type, dj_exc_value, traceback)
 ../../envs/django-bpp/lib/python3.6/site-packages/django/utils/six.py:685:
 in reraise
 raise value.with_traceback(tb)
 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 _ _ _ _ _ _

 self = 

 def _commit(self):
 if self.connection is not None:
 with self.wrap_database_errors:
 >   return self.connection.commit()
 E   django.db.utils.IntegrityError: BD:  wstawianie lub
 modyfikacja na tabeli "auth_permission" narusza klucz obcy
 "auth_permission_content_type_id_2f476e4b_fk_django_co"
 E   DETAIL:  Klucz (content_type_id)=(893) nie wyst��puje w
 tabeli "django_content_type".

 

Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+
 Reporter:  Sean Legassick  |Owner:  (none)
 Type:  Bug |   Status:  new
Component:  contrib.auth|  Version:  master
 Severity:  Normal  |   Resolution:
 Keywords:  | Triage Stage:  Accepted
Has patch:  1   |  Needs documentation:  0
  Needs tests:  1   |  Patch needs improvement:  0
Easy pickings:  0   |UI/UX:  0
+

Comment (by Lynn Cyrin):

 issue is still present in django 1.11.2

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by srkunze):

 @guettli @timgraham

 It just works. Nice. Thanks for that suggestion.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by teeberg):

 * cc: teeberg (added)


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by kvsn):

 * status:  assigned => new
 * owner:  kvsn =>


Comment:

 Don't forget to use a database that checks foreign key constraints instead
 of the default sqlite when trying to reproduce this bug.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  kvsn
 Type:  Bug   |   Status:  assigned
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by kvsn):

 * status:  new => assigned
 * owner:  nobody => kvsn


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by peterbe):

 I can confirm that this is still a bug in Django 1.7.
 I can't speak of the PR because I haven't studied it but making sure the
 order of the INSTALLED_APPS is right, as per
 http://stackoverflow.com/a/18292090/205832 did solve it for me.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by guettli):

 I created a pull request: https://github.com/django/django/pull/5184

 It includes a test. Thanks to Tim Graham for the support.

 https://groups.google.com/d/msg/django-developers/CB4cGwBYo8o/7qcekYNeAgAJ

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by guettli):

 A work around is this line in your migration:

 {{{
 from django.contrib.contenttypes.models import ContentType

 class Migration(migrations.Migration):
 operations = [
 ...,
 migrations.RunPython(lambda apps, schema_editor:
 ContentType.objects.clear_cache()),
 ]

 }}}

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by guettli):

 The six years old patch solved the issue for me:

 {{{
 ContentType.objects.clear_cache()
 }}}

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by guettli):

 I think this bug is still alive in Django1.7.

 I get this traceback:

 {{{
 File ".../django/core/management/__init__.py", line 385, in
 execute_from_command_line
   utility.execute()
 File ".../django/core/management/__init__.py", line 377, in execute
   self.fetch_command(subcommand).run_from_argv(self.argv)
 File ".../django/core/management/base.py", line 288, in run_from_argv
   self.execute(*args, **options.__dict__)
 File ".../django/core/management/base.py", line 338, in execute
   output = self.handle(*args, **options)
 File ".../django/core/management/commands/migrate.py", line 165, in handle
   emit_post_migrate_signal(created_models, self.verbosity,
 self.interactive, connection.alias)
 File ".../django/core/management/sql.py", line 268, in
 emit_post_migrate_signal
   using=db)
 File ".../django/dispatch/dispatcher.py", line 198, in send
   response = receiver(signal=self, sender=sender, **named)
 File ".../django/contrib/auth/management/__init__.py", line 117, in
 create_permissions
   Permission.objects.using(using).bulk_create(perms)
 File ".../django/db/models/query.py", line 410, in bulk_create
   self._batched_insert(objs_without_pk, fields, batch_size)
 File ".../django/db/transaction.py", line 339, in __exit__
   connection.commit()
 File ".../django/db/backends/__init__.py", line 176, in commit
   self._commit()
 File ".../django/db/backends/__init__.py", line 145, in _commit
   return self.connection.commit()
 File ".../django/db/utils.py", line 94, in __exit__
   six.reraise(dj_exc_type, dj_exc_value, traceback)
 File ".../django/db/backends/__init__.py", line 145, in _commit
   return self.connection.commit()

 django.db.utils.IntegrityError: insert or update on table
 "auth_permission" violates foreign key constraint
 "auth_content_type_id_508cf46651277a81_fk_django_content_type_id"
  DETAIL:  Key (content_type_id)=(1) is not present in table
 "django_content_type".


 }}}

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by jarus):

 * cc: jarus (added)


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by julen):

 * cc: julenx@… (added)


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by jorgecarleitao):

 * cc: jorgecarleitao (added)


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by anonymous):

 I think I have run into the same problem while trying to use Selenium to
 test Django admin capabilities. When I try to update a user's permissions,
 I get the FK error. You can see [my code and issue on
 SO](http://stackoverflow.com/questions/18281137/selenium-django-gives-
 foreign-key-error). So I think this is still a present bug in Django 1.5.1
 / MySQL.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by rjalves):

 Another duplicate: #6259

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by rjalves):

 * cc: rjalves@… (added)


Comment:

 The attached file is a fresh django project created with Django 1.4.5
 which allows reproducing the mentioned error.
 NOTE: This is not reproducible with the sqlite backend (MySQL was not
 tested but was reported to fail with InnoDB in other tickets #9207).

 Ticket #9207 is closed as fixed but due to lack of reproducibility. From
 the error it looks like a duplicate of the current.
 The workaround described on comment 3 from #9207 also solves the problem
 (putting contrib.contenttypes before contrib.auth in INSTALLED_APPS).

 PS: I don't know if there's any reason why INSTALLED_APPS has the current
 order but having django-admin.py invert the order could workaround this
 problem.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by gcc):

 * cc: chris+django@… (added)


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by gcc):

 +1. This just bit us as well.

 I think if flush is going to invalidate caches (which it appears to do),
 then it should be sending a signal that allows holders of caches to
 respond appropriately. So something like this in flush.py:

 {{{
 for app in set(all_models):
 models.signals.post_flush.send(sender=app, app=app,
 created_models=created_models, verbosity=verbosity,
 interactive=interactive, db=db)
 emit_post_sync_signal(set(all_models), verbosity, interactive, db)
 }}}

 Assuming a new signal `flush` which ContentTypeManager listens for, and
 then flushes its cache.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+

Comment (by anonymous):

 A workaround based on comment 7 is available here:
 http://djangosnippets.org/snippets/2752/

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
--+
 Reporter:  seanl |Owner:  nobody
 Type:  Bug   |   Status:  new
Component:  contrib.auth  |  Version:  master
 Severity:  Normal|   Resolution:
 Keywords:| Triage Stage:  Accepted
Has patch:  1 |  Needs documentation:  0
  Needs tests:  1 |  Patch needs improvement:  0
Easy pickings:  0 |UI/UX:  0
--+
Changes (by jodym@…):

 * cc: jodym@… (added)


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+--
   Reporter:  seanl |  Owner:  nobody
   Type:  Bug   | Status:  new
  Milestone:|  Component:  contrib.auth
Version:  SVN   |   Severity:  Normal
 Resolution:|   Keywords:
   Triage Stage:  Accepted  |  Has patch:  1
Needs documentation:  0 |Needs tests:  1
Patch needs improvement:  0 |  Easy pickings:  0
  UI/UX:  0 |
+--
Changes (by orb@…):

 * ui_ux:   => 0
 * easy:   => 0


Comment:

 I'm having this problem too.  We worked around it by extending
 TransactionTestCase so that _pre_setup() invokes
 ContentType.objects.clear_cache().  I'd really love to see a solution to
 this.

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+
   Reporter:  seanl |Owner:  nobody
   Type:  Bug   |   Status:  new
  Milestone:|Component:  contrib.auth
Version:  SVN   | Severity:  Normal
 Resolution:| Keywords:
   Triage Stage:  Accepted  |Has patch:  1
Needs documentation:  0 |  Needs tests:  1
Patch needs improvement:  0 |
+
Changes (by julien):

 * needs_tests:  0 => 1


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
+
   Reporter:  seanl |Owner:  nobody
   Type:  Bug   |   Status:  new
  Milestone:|Component:  contrib.auth
Version:  SVN   | Severity:  Normal
 Resolution:| Keywords:
   Triage Stage:  Accepted  |Has patch:  1
Needs documentation:  0 |  Needs tests:  0
Patch needs improvement:  0 |
+
Changes (by SmileyChris):

 * type:   => Bug
 * severity:   => Normal


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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
-+--
  Reporter:  seanl   | Owner:  nobody
Status:  new | Milestone:
 Component:  Authentication  |   Version:  SVN   
Resolution:  |  Keywords:
 Stage:  Accepted| Has_patch:  1 
Needs_docs:  0   |   Needs_tests:  0 
Needs_better_patch:  0   |  
-+--
Comment (by PeterRussell):

 It seems that the reason that this happens is that the syncdb command is
 firing the post_syncdb signal for each application, as returned from
 get_apps() [source:/django/trunk/django/core/management/sql...@14849#l178
 here].  Get_apps appears to return apps in app-name order (see
 [source:/django/trunk/django/db/models/loading...@14849#l120 here]), and
 auth comes before contenttypes asciibetically.  It seems the right
 solution is probably to have a separate post_contenttypes_refreshed
 signal, and have create_permissions listen for that.  It would also be
 great if updating permissions could fire its own signal, so you can update
 groups etc based on that. (We've been having a somewhat similar issue).

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
-+--
  Reporter:  seanl   | Owner:  nobody
Status:  new | Milestone:
 Component:  Authentication  |   Version:  SVN   
Resolution:  |  Keywords:
 Stage:  Accepted| Has_patch:  1 
Needs_docs:  0   |   Needs_tests:  0 
Needs_better_patch:  0   |  
-+--
Comment (by Jason Yan ):

 I just got hit by this same issue and worked around it in a similar
 manner.  I instead removed the signal that was connected to
 update_contenttypes and moved the update_contenttypes call to
 django.core.management.commands.flush.

 For anyone that might be possibly searching for this, here's the exception
 from the tests without the fix:
 {{{
 IntegrityError: insert or update on table "auth_permission" violates
 foreign key constraint "content_type_id_refs_id_728de91f"
 DETAIL:  Key (content_type_id)=(2) is not present in table
 "django_content_type".
 }}}

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
-+--
  Reporter:  seanl   | Owner:  nobody
Status:  new | Milestone:
 Component:  Authentication  |   Version:  SVN   
Resolution:  |  Keywords:
 Stage:  Accepted| Has_patch:  1 
Needs_docs:  0   |   Needs_tests:  0 
Needs_better_patch:  0   |  
-+--
Changes (by Alex):

  * stage:  Unreviewed => Accepted

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Re: [Django] #10827: django.auth create_permissions must clear the content type cache before creating permissions

[Django]

#10827: django.auth create_permissions must clear the content type cache before
creating permissions
-+--
  Reporter:  seanl   | Owner:  nobody
Status:  new | Milestone:
 Component:  Authentication  |   Version:  SVN   
Resolution:  |  Keywords:
 Stage:  Unreviewed  | Has_patch:  1 
Needs_docs:  0   |   Needs_tests:  0 
Needs_better_patch:  0   |  
-+--
Changes (by seanl):

  * needs_better_patch:  => 0
  * has_patch:  0 => 1
  * needs_tests:  => 0
  * needs_docs:  => 0

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