#13512: syncdb fails on application with no models defined
---------------------------------------------------+------------------------
Reporter: Atr3ides | Owner: nobody
Status: closed | Milestone: 1.2
Component: Database layer (models, ORM) | Version: 1.2-beta
Resolution: worksforme | Keywords:
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
---------------------------------------------------+------------------------
Old description:
> Traceback (most recent call last):
> File "src/project/manage.py", line 18, in <module>
> management.execute_manager(settings)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/core/management/__init__.py", line 438, in
> execute_manager
> utility.execute()
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/core/management/__init__.py", line 379, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/core/management/base.py", line 191, in run_from_argv
> self.execute(*args, **options.__dict__)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/core/management/base.py", line 217, in execute
> self.validate()
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/core/management/base.py", line 245, in validate
> num_errors = get_validation_errors(s, app)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/core/management/validation.py", line 28, in
> get_validation_errors
> for (app_name, error) in get_app_errors().items():
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/db/models/loading.py", line 146, in get_app_errors
> self._populate()
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/db/models/loading.py", line 61, in _populate
> self.load_app(app_name, True)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/db/models/loading.py", line 78, in load_app
> models = import_module('.models', app_name)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/utils/importlib.py", line 35, in import_module
> __import__(name)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/piston/models.py", line 28, in <module>
> admin.site.register(Nonce)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/contrib/admin/sites.py", line 90, in register
> validate(admin_class, model)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/contrib/admin/validation.py", line 20, in validate
> models.get_apps()
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/db/models/loading.py", line 115, in get_apps
> self._populate()
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/db/models/loading.py", line 61, in _populate
> self.load_app(app_name, True)
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/db/models/loading.py", line 83, in load_app
> if not module_has_submodule(app_module, 'models'):
> File "/home/user/projects/project/ve/lib/python2.6/site-
> packages/django/utils/module_loading.py", line 15, in
> module_has_submodule
> for entry in package.__path__: # No __path__, then not a package.
> AttributeError: 'module' object has no attribute '__path__'
New description:
{{{
Traceback (most recent call last):
File "src/project/manage.py", line 18, in <module>
management.execute_manager(settings)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/core/management/__init__.py", line 438, in execute_manager
utility.execute()
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/core/management/__init__.py", line 379, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/core/management/base.py", line 191, in run_from_argv
self.execute(*args, **options.__dict__)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/core/management/base.py", line 217, in execute
self.validate()
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/core/management/base.py", line 245, in validate
num_errors = get_validation_errors(s, app)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/core/management/validation.py", line 28, in
get_validation_errors
for (app_name, error) in get_app_errors().items():
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/db/models/loading.py", line 146, in get_app_errors
self._populate()
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/db/models/loading.py", line 61, in _populate
self.load_app(app_name, True)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/db/models/loading.py", line 78, in load_app
models = import_module('.models', app_name)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/utils/importlib.py", line 35, in import_module
__import__(name)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/piston/models.py", line 28, in <module>
admin.site.register(Nonce)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/contrib/admin/sites.py", line 90, in register
validate(admin_class, model)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/contrib/admin/validation.py", line 20, in validate
models.get_apps()
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/db/models/loading.py", line 115, in get_apps
self._populate()
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/db/models/loading.py", line 61, in _populate
self.load_app(app_name, True)
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/db/models/loading.py", line 83, in load_app
if not module_has_submodule(app_module, 'models'):
File "/home/user/projects/project/ve/lib/python2.6/site-
packages/django/utils/module_loading.py", line 15, in module_has_submodule
for entry in package.__path__: # No __path__, then not a package.
AttributeError: 'module' object has no attribute '__path__'
}}}
Comment (by kmtracey):
Sounds like (though details of the traceback have changed in the interim):
http://code.djangoproject.com/ticket/11696#comment:12. Prior to the
introduction of `module_has_submodule`, things found in INSTALLED_APPS
that did not have a `__path__` were just ignored. The check was originally
put in for "odd things" like eggs (though it's not necessary for eggs);
the original person who hit a problem which caused the check to be added
actually had a completely unnecessary non-app listed in INSTALLED_APPS. If
there's a valid reason for having things in INSTALLED_APPS that don't have
a `__path__` then we can probably deal with it in `module_has_submodule`,
but I haven't heard that reason yet. The one person who originally ran
into the issue when the `__path__` check was put in acknowledged it was
caused by an error in their INSTALLED_APPS.
--
Ticket URL: <http://code.djangoproject.com/ticket/13512#comment:2>
Django <http://code.djangoproject.com/>
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