def __init__(self, *args, **kwargs):
super(DatabaseWrapper, self).__init__(*args, **kwargs)
self.features = BaseDatabaseFeatures(self)
self.ops = DatabaseOperations(self)
self.client = DatabaseClient(self)
self.creation = DatabaseCreation(self)
self.introspection = DatabaseIntrospection(self)
self.validation = BaseDatabaseValidation(self)
def __init__(self, settings_dict, alias=None, *args, **kwargs):
super(DatabaseWrapper, self).__init__(settings_dict,
alias=alias,
*args,
**kwargs)
if settings_dict['HOST']:
kwargs['host'] = settings_dict['HOST']
if settings_dict['PORT']:
kwargs['port'] = int(settings_dict['PORT'])
if 'OPTIONS' in settings_dict:
kwargs.update(settings_dict['OPTIONS'])
self.connection = ConnectionWrapper(**kwargs)
try:
self.features = DatabaseFeatures(self.connection)
except TypeError:
# Django < 1.3
self.features = BaseDatabaseFeatures()
try:
self.ops = DatabaseOperations(self.connection)
except TypeError:
# Django < 1.4
self.ops = DatabaseOperations()
self.client = DatabaseClient(self)
self.creation = DatabaseCreation(self)
self.introspection = DatabaseIntrospection(self)
try:
self.validation = BaseDatabaseValidation(self)
except TypeError:
# Django < 1.2
self.validation = BaseDatabaseValidation()
settings_dict['SUPPORTS_TRANSACTIONS'] = False
self.settings_dict = settings_dict
self.alias = alias and alias or settings_dict['DATABASE_NAME']
# transaction related attributes
self.transaction_state = None
class DatabaseConnection:
vendor = "this_vendor_will_never_exist"
features = BaseDatabaseFeatures(connection=None)
class DatabaseConnection:
vendor = "postgresql"
features = BaseDatabaseFeatures(connection=None)