#35545: Fix create_permissions LookupErrors
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Reporter: Csirmaz Bendegúz | Owner: nobody
Type: Bug | Status: new
Component: contrib.auth | Version: 5.1
Severity: Release blocker | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by Csirmaz Bendegúz:
Old description:
> [https://code.djangoproject.com/ticket/35408 #35408] introduced a bug in
> contrib.auth's create_permissions function
> ([https://github.com/django/django/pull/18105 PR], commit
> d2c5a30e5a8595d06c4a70ff0f66032fee0d3c8e ).
> Since this function is called by the post migrate signal, it affects the
> migrate command.
> The function raises unexpected LookupErrors on Windows systems.
>
> {{{
> Operations to perform:
> Apply all migrations: admin, auth, contenttypes, dev, sessions
> Running migrations:
> Applying dev.0001_initial... OK
> Traceback (most recent call last):
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\apps\registry.py", line 158, in get_app_config
> return self.app_configs[app_label]
> ~~~~~~~~~~~~~~~~^^^^^^^^^^^
> KeyError: 'dev'
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "C:\Users\csirm\PycharmProjects\django-dev\django_dev\manage.py",
> line 22, in <module>
> main()
> File "C:\Users\csirm\PycharmProjects\django-dev\django_dev\manage.py",
> line 18, in main
> execute_from_command_line(sys.argv)
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\core\management\__init__.py", line 442, in
> execute_from_command_line
> utility.execute()
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\core\management\__init__.py", line 436, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\core\management\base.py", line 413, in run_from_argv
> self.execute(*args, **cmd_options)
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\core\management\base.py", line 459, in execute
> output = self.handle(*args, **options)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\core\management\base.py", line 107, in wrapper
> res = handle_func(*args, **kwargs)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\core\management\commands\migrate.py", line 384, in handle
> emit_post_migrate_signal(
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\core\management\sql.py", line 52, in
> emit_post_migrate_signal
> models.signals.post_migrate.send(
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\dispatch\dispatcher.py", line 189, in send
> response = receiver(signal=self, sender=sender, **named)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\contrib\auth\management\__init__.py", line 78, in
> create_permissions
> ctypes = ContentType.objects.db_manager(using).get_for_models(
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\contrib\contenttypes\models.py", line 93, in
> get_for_models
> ct._meta.apps.get_model(ct.app_label, ct.model)._meta, []
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\apps\registry.py", line 208, in get_model
> app_config = self.get_app_config(app_label)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
> packages\django\apps\registry.py", line 165, in get_app_config
> raise LookupError(message)
> LookupError: No installed app with label 'dev'.
> }}}
New description:
[https://code.djangoproject.com/ticket/35408 #35408] introduced a bug in
{{{contrib.auth}}}'s {{{create_permissions}}} function
([https://github.com/django/django/pull/18105 PR], commit
{{{d2c5a30e5a8595d06c4a70ff0f66032fee0d3c8e}}}).
Since this function is called by the {{{post_migrate}}} signal, it affects
the {{{migrate}}} command.
The function raises unexpected {{{LookupError}}} s on Windows systems.
{{{
Operations to perform:
Apply all migrations: admin, auth, contenttypes, dev, sessions
Running migrations:
Applying dev.0001_initial... OK
Traceback (most recent call last):
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\apps\registry.py", line 158, in get_app_config
return self.app_configs[app_label]
~~~~~~~~~~~~~~~~^^^^^^^^^^^
KeyError: 'dev'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\csirm\PycharmProjects\django-dev\django_dev\manage.py",
line 22, in <module>
main()
File "C:\Users\csirm\PycharmProjects\django-dev\django_dev\manage.py",
line 18, in main
execute_from_command_line(sys.argv)
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\core\management\__init__.py", line 442, in
execute_from_command_line
utility.execute()
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\core\management\__init__.py", line 436, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\core\management\base.py", line 413, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\core\management\base.py", line 459, in execute
output = self.handle(*args, **options)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\core\management\base.py", line 107, in wrapper
res = handle_func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\core\management\commands\migrate.py", line 384, in handle
emit_post_migrate_signal(
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\core\management\sql.py", line 52, in
emit_post_migrate_signal
models.signals.post_migrate.send(
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\dispatch\dispatcher.py", line 189, in send
response = receiver(signal=self, sender=sender, **named)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\contrib\auth\management\__init__.py", line 78, in
create_permissions
ctypes = ContentType.objects.db_manager(using).get_for_models(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\contrib\contenttypes\models.py", line 93, in
get_for_models
ct._meta.apps.get_model(ct.app_label, ct.model)._meta, []
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\apps\registry.py", line 208, in get_model
app_config = self.get_app_config(app_label)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\csirm\PycharmProjects\django-dev\venv\Lib\site-
packages\django\apps\registry.py", line 165, in get_app_config
raise LookupError(message)
LookupError: No installed app with label 'dev'.
}}}
--
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Ticket URL: <https://code.djangoproject.com/ticket/35545#comment:1>
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