जब मैं कोशिश करते हैं और (Django मानक व्यवस्थापक इंटरफ़ेस का उपयोग कर) को बचाने मैं निम्नलिखित त्रुटि मिलती है मिल गया ...Django व्यवस्थापक त्रुटि को बचाने: get_db_prep_value() एक अप्रत्याशित कीवर्ड तर्क 'कनेक्शन'
TypeError at /admin/web/campaign/dc6eb21f-87fa-462f-88af-416cf6be37f6/
get_db_prep_value() got an unexpected keyword argument 'connection'
कोई समझा सकते हैं यह मेरे लिए, क्यों और शायद एक संभावित समाधान? मुझे लगता है कि यह मेरे कस्टम HibernateBooleanField क्षेत्र के साथ कुछ करने के लिए है।
नीचे पूर्ण त्रुटि और विवरण।
त्रुटि
Environment:
Request Method: POST
Request URL: http://127.0.0.1:8000/admin/web/campaign/dc6eb21f-87fa-462f-88af-416cf6be37f6/
Django Version: 1.4.2
Python Version: 2.7.2
Installed Applications:
('django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.flatpages',
'django.contrib.messages',
'django.contrib.staticfiles',
'grappelli.dashboard',
'grappelli',
'django.contrib.admin',
'django.contrib.admindocs',
'web')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware')
Traceback:
File "/Library/Python/2.7/site-packages/django/core/handlers/base.py" in get_response
111. response = callback(request, *callback_args, **callback_kwargs)
File "/Library/Python/2.7/site-packages/django/contrib/admin/options.py" in wrapper
366. return self.admin_site.admin_view(view)(*args, **kwargs)
File "/Library/Python/2.7/site-packages/django/utils/decorators.py" in _wrapped_view
91. response = view_func(request, *args, **kwargs)
File "/Library/Python/2.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
89. response = view_func(request, *args, **kwargs)
File "/Library/Python/2.7/site-packages/django/contrib/admin/sites.py" in inner
196. return view(request, *args, **kwargs)
File "/Library/Python/2.7/site-packages/django/utils/decorators.py" in _wrapper
25. return bound_func(*args, **kwargs)
File "/Library/Python/2.7/site-packages/django/utils/decorators.py" in _wrapped_view
91. response = view_func(request, *args, **kwargs)
File "/Library/Python/2.7/site-packages/django/utils/decorators.py" in bound_func
21. return func(self, *args2, **kwargs2)
File "/Library/Python/2.7/site-packages/django/db/transaction.py" in inner
209. return func(*args, **kwargs)
File "/Library/Python/2.7/site-packages/django/contrib/admin/options.py" in change_view
1054. self.save_model(request, new_object, form, True)
File "/Library/Python/2.7/site-packages/django/contrib/admin/options.py" in save_model
709. obj.save()
File "/Library/Python/2.7/site-packages/django/db/models/base.py" in save
463. self.save_base(using=using, force_insert=force_insert, force_update=force_update)
File "/Library/Python/2.7/site-packages/django/db/models/base.py" in save_base
529. rows = manager.using(using).filter(pk=pk_val)._update(values)
File "/Library/Python/2.7/site-packages/django/db/models/query.py" in _update
560. return query.get_compiler(self.db).execute_sql(None)
File "/Library/Python/2.7/site-packages/django/db/models/sql/compiler.py" in execute_sql
986. cursor = super(SQLUpdateCompiler, self).execute_sql(result_type)
File "/Library/Python/2.7/site-packages/django/db/models/sql/compiler.py" in execute_sql
808. sql, params = self.as_sql()
File "/Library/Python/2.7/site-packages/django/db/models/sql/compiler.py" in as_sql
951. val = field.get_db_prep_save(val, connection=self.connection)
File "/Library/Python/2.7/site-packages/django/db/models/fields/__init__.py" in get_db_prep_save
292. prepared=False)
Exception Type: TypeError at /admin/web/campaign/dc6eb21f-87fa-462f-88af-416cf6be37f6/
Exception Value: get_db_prep_value() got an unexpected keyword argument 'connection'
मॉडल
class Campaign(models.Model):
campaignid = models.CharField(max_length=255, primary_key=True, db_column='campaignID')
name = models.CharField(max_length=105)
active = HibernateBooleanField(default=False)
created = models.DateTimeField()
modified = models.DateTimeField(null=True, blank=True)
companyid = models.ForeignKey(Company, null=True, db_column='companyID', blank=True)
class Meta:
db_table = u'campaign'
def __unicode__(self):
return self.name
class HibernateBooleanField(models.BooleanField):
__metaclass__ = models.SubfieldBase
def get_internal_type(self):
return "HibernateBooleanField"
def db_type(self):
return 'bit(1)'
def to_python(self, value):
if value in (True, False): return value
if value in ('t', 'True', '1', '\x01'): return True
if value in ('f', 'False', '0', '\x00'): return False
def get_db_prep_value(self, value):
return 0x01 if value else 0x00
मैं to_python() विधि की तरह। :) –