Check if that is not something you're looking for:
https://docs.djangoproject.com/en/1.5/ref/signals/#post-syncdb
On Wednesday, December 25, 2013 7:18:45 PM UTC, vinaya...@iiitd.ac.in wrote:
>
> I have an actions.py file which defines custom actions for the admin page
> for one of my models. It uses an intermediary page (like the default delete
> action) and hence has a corresponding form which is also declared in the
> same file.
>
> For some reason, I had drop by database (development) and now when I try
> to run syncdb, it gives me the following error:
>
>
> Traceback (most recent call last):
> File "/home/vinayak/pyCharm/helpers/pycharm/django_manage.py", line 23,
> in <module>
> run_module(manage_file, None, '__main__', True)
> File "/usr/lib/python2.7/runpy.py", line 176, in run_module
> fname, loader, pkg_name)
> File "/usr/lib/python2.7/runpy.py", line 82, in _run_module_code
> mod_name, mod_fname, mod_loader, pkg_name)
> File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
> exec code in run_globals
> File "/home/vinayak/zenatix/customuser/manage.py", line 10, in <module>
> execute_from_command_line(sys.argv)
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py",
> line 399, in execute_from_command_line
> utility.execute()
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py",
> line 392, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py",
> line 242, in run_from_argv
> self.execute(*args, **options.__dict__)
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py",
> line 284, in execute
> self.validate()
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py",
> line 310, in validate
> num_errors = get_validation_errors(s, app)
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/management/validation.py",
>
> line 34, in get_validation_errors
> for (app_name, error) in get_app_errors().items():
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/models/loading.py", line
> 196, in get_app_errors
> self._populate()
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/models/loading.py", line
> 75, in _populate
> self.load_app(app_name, True)
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/models/loading.py", line
> 99, in load_app
> models = import_module('%s.models' % app_name)
> File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py",
> line 40, in import_module
> __import__(name)
> File "/usr/local/lib/python2.7/dist-packages/debug_toolbar/models.py",
> line 63, in <module>
> patch_root_urlconf()
> File "/usr/local/lib/python2.7/dist-packages/debug_toolbar/models.py",
> line 51, in patch_root_urlconf
> reverse('djdt:render_panel')
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line
> 480, in reverse
> app_list = resolver.app_dict[ns]
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line
> 310, in app_dict
> self._populate()
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line
> 262, in _populate
> for pattern in reversed(self.url_patterns):
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line
> 346, in url_patterns
> patterns = getattr(self.urlconf_module, "urlpatterns",
> self.urlconf_module)
> File
> "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line
> 341, in urlconf_module
> self._urlconf_module = import_module(self.urlconf_name)
> File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py",
> line 40, in import_module
> __import__(name)
> File "/home/vinayak/zenatix/customuser/customuser/urls.py", line 6, in
> <module>
> admin.autodiscover()
> File
> "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/__init__.py",
> line 29, in autodiscover
> import_module('%s.admin' % app)
> File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py",
> line 40, in import_module
> __import__(name)
> File "/home/vinayak/zenatix/customuser/iiitd/admin.py", line 3, in
> <module>
> from actions import grant_read_permission
> File "/home/vinayak/zenatix/customuser/iiitd/actions.py", line 13, in
> <module>
> class SelectUserForm(forms.Form):
> File "/home/vinayak/zenatix/customuser/iiitd/actions.py", line 16, in
> SelectUserForm
> clientObj = ClientInfo.objects.all()[:1].get()
> File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py",
> line 301, in get
> num = len(clone)
> File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py",
> line 77, in __len__
> self._fetch_all()
> File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py",
> line 854, in _fetch_all
> self._result_cache = list(self.iterator())
> File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py",
> line 220, in iterator
> for row in compiler.results_iter():
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/models/sql/compiler.py",
> line 710, in results_iter
> for rows in self.execute_sql(MULTI):
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/models/sql/compiler.py",
> line 781, in execute_sql
> cursor.execute(sql, params)
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/backends/util.py", line
> 69, in execute
> return super(CursorDebugWrapper, self).execute(sql, params)
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/backends/util.py", line
> 53, in execute
> return self.cursor.execute(sql, params)
> File "/usr/local/lib/python2.7/dist-packages/django/db/utils.py", line
> 99, in __exit__
> six.reraise(dj_exc_type, dj_exc_value, traceback)
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/backends/util.py", line
> 53, in execute
> return self.cursor.execute(sql, params)
> django.db.utils.ProgrammingError: relation "iiitd_clientinfo" does not
> exist
> LINE 1: ...ientinfo"."id", "iiitd_clientinfo"."corp_id" FROM "iiitd_cli...
>
>
> iiitd is the name of one of my apps. The reason this is happening is
> because actions.py imports the iiitd_clientinfo model - but that doesn't
> exist yet, obviously. Currently, I make it work by excluding/commenting out
> my actions.py file. Surely, there has to be a work around?
>
> I have tried the following:
>
> 1. south migration before syncdb - same error.
> 2. sorted out the INSTALLED_APPS order to ensure that they are in a
> topological order - same error
> 3. Used this in my actions.py:
>
> try:
>
> clientObj = ClientInfo.objects.all()[:1].get()
>
> except ClientInfo.DoesNotExist:
>
> clientObj = None
>
>
>
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