FYI:
Trying to run unittests.
Using the .only() method on a queryset causes the content types
machinery to find and attempt to use a model with Deferred attributes.
This function (with print and verbosity added):
def update_contenttypes(app, created_models, verbosity=2, **kwargs):
"""
Creates content types for models in the given app, removing any
model
entries that no longer have a matching model class.
"""
verbosity=2
ContentType.objects.clear_cache()
content_types =
list(ContentType.objects.filter(app_label=app.__name__.split('.')[-2]))
app_models = get_models(app)
#print "app, app_models", app, app_models
if not app_models:
return
for klass in app_models:
opts = klass._meta
#print "klass, opts", klass, opts, opts.__dict__
try:
ct = ContentType.objects.get(app_label=opts.app_label,
model=opts.object_name.lower())
content_types.remove(ct)
except ContentType.DoesNotExist:
ct = ContentType(name=smart_unicode(opts.verbose_name_raw),
app_label=opts.app_label,
model=opts.object_name.lower())
print ct.name, len(ct.name), ct.app_label, ct.model
ct.save()
if verbosity >= 2:
print "Adding content type '%s | %s'" % (ct.app_label,
ct.model)
[...]
while running unittests, gives this output and error.
Adding content type 'contact | webaddress'
postal address 14 contact postaladdress
Adding content type 'contact | postaladdress'
postal address boundary 23 contact postaladdressboundary
Adding content type 'contact | postaladdressboundary'
contact mechanism link 22 contact contactmechanismlink
Adding content type 'contact | contactmechanismlink'
===
Output of:
print ct.name, len(ct.name), ct.app_label, ct.model gives:
contact mechanism type_
deferred_creation_date_time_description_display_is_default_privilege_tok
en_record_deleted_record_enabled 128 contact
contactmechanismtype_deferred_creation_date_time_description_display_is_
default_privilege_token_record_deleted_record_enabled
===
Traceback (most recent call last):
File
"C:\1mvgdocs\neodfos_workspace\neodfos\trunk\src\tools\tests\run_tests.p
y", line 245, in <module>
test_name =
connection.creation.create_test_db(verbosity=db_verbosity,
autoclobber=autoclobber)
File "C:\Python26\lib\site-packages\django\db\backends\creation.py",
line 336, in create_test_db
call_command('syncdb', verbosity=verbosity, interactive=False)
File
"C:\Python26\lib\site-packages\django\core\management\__init__.py", line
166, in call_command
return klass.execute(*args, **defaults)
File "C:\Python26\lib\site-packages\django\core\management\base.py",
line 222, in execute
output = self.handle(*args, **options)
File "C:\Python26\lib\site-packages\django\core\management\base.py",
line 351, in handle
return self.handle_noargs(**options)
File
"C:\Python26\lib\site-packages\django\core\management\commands\syncdb.py
", line 99, in handle_noargs
emit_post_sync_signal(created_models, verbosity, interactive)
File "C:\Python26\lib\site-packages\django\core\management\sql.py",
line 205, in emit_post_sync_signal
interactive=interactive)
File "C:\Python26\lib\site-packages\django\dispatch\dispatcher.py",
line 166, in send
response = receiver(signal=self, sender=sender, **named)
File
"C:\Python26\lib\site-packages\django\contrib\contenttypes\management.py
", line 28, in update_contenttypes
ct.save()
File "C:\Python26\lib\site-packages\django\db\models\base.py", line
410, in save
self.save_base(force_insert=force_insert, force_update=force_update)
File "C:\Python26\lib\site-packages\django\db\models\base.py", line
495, in save_base
result = manager._insert(values, return_id=update_pk)
File "C:\Python26\lib\site-packages\django\db\models\manager.py", line
177, in _insert
return insert_query(self.model, values, **kwargs)
File "C:\Python26\lib\site-packages\django\db\models\query.py", line
1087, in insert_query
return query.execute_sql(return_id)
File
"C:\Python26\lib\site-packages\django\db\models\sql\subqueries.py", line
320, in execute_sql
cursor = super(InsertQuery, self).execute_sql(None)
File "C:\Python26\lib\site-packages\django\db\models\sql\query.py",
line 2369, in execute_sql
cursor.execute(sql, params)
File "C:\Python26\lib\site-packages\django\db\backends\util.py", line
19, in execute
return self.cursor.execute(sql, params)
psycopg2.DataError: value too long for type character varying(100)
The error can be eliminated if the .only() method is not used:
#for subtype in type_entity.objects.all().only('slug'):
for subtype in type_entity.objects.all():
The tests complete without error when changing the above line to not use
.only().
Other output from the various print statements in update_contenttypes
(note the last model listed):
app, app_models
<module 'os_so.contact.models' from
'C:\...\trunk\src\os_so\contact\models.pyc'>
[
<class 'os_so.contact.models.ContactMechanismType'>,
<class 'os_so.contact.models.ContactMechanism'>,
<class 'os_so.contact.models.OrganizationContactPhoneNumber'>,
<class 'os_so.contact.models.FaxNumber'>,
<class 'os_so.contact.models.MobilePhone'>,
<class 'os_so.contact.models.HomePhone'>,
<class 'os_so.contact.models.OfficePhone'>,
<class 'os_so.contact.models.EmailAddress'>,
<class 'os_so.contact.models.FTPAddress'>,
<class 'os_so.contact.models.WebAddress'>,
<class 'os_so.contact.models.PostalAddress'>,
<class 'os_so.contact.models.PostalAddressBoundary'>,
<class 'os_so.contact.models.ContactMechanismLink'>,
<class 'os_so.contact.models.ContactMechanismPurposeType'>,
<class
'os_so.contact.models.ContactMechanismType_Deferred_creation_date_time_d
escription_display_is_default_privilege_token_record_deleted_record_enab
led'>]
This model is created in the db.models.query_utils machinery
in deferred_class_factory.
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