Hello all;
I'm just learning Django and i'm trying to get proxy db managers
working, but i can't manage to get it working. I've read the docs and
tried to search on google, but it seems unuseful.
Can anybody help me?
I'm attaching the error and my code.
setting.py:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': 'intranet.db',
},
'viejuna': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'gestio_sl_utf8',
'USER': 'webadmin',
'PASSWORD': '',
'HOST': '192.168.1.4',
'PORT': '',
}
}
DATABASE_ROUTERS = ['intranet.vieja.models.ProxyDB',]
vieja/models.py:
from django.db import models
class old_Dominis(models.Model):
id = models.IntegerField(primary_key=True)
nom = models.CharField(max_length=70)
extensio = models.CharField(max_length=20)
id_account = models.IntegerField()
years = models.SmallIntegerField()
creat = models.DateField()
expira = models.DateField()
redirec = models.BooleanField()
c1 = models.BooleanField()
c2 = models.BooleanField()
dns_type = models.SmallIntegerField()
lock = models.BooleanField()
pl = models.BooleanField()
titular = models.TextField()
contacte_admin = models.CharField(max_length=150)
id_c_f = models.IntegerField()
contacte_fac = models.TextField()
id_grup = models.IntegerField()
grup = models.CharField(max_length=200)
dns1 = models.CharField(max_length=150)
dns2 = models.CharField(max_length=150)
estat = models.CharField(max_length=50)
class Meta:
db_table = u'dominis_view2'
managed = False
class ProxyDB(object):
def db_for_read(self, model, **hints):
if model._meta.app_label == 'vieja':
return 'viejuna'
return 'default'
def db_for_write(self, model, **hints):
if model._meta.app_label == 'vieja':
return 'viejuna'
return 'default'
def allow_relation(self, obj1, obj2, **hints):
if obj1._meta.app_label == 'vieja' and obj2._meta.app_label ==
'vieja':
return True
elif obj1._state.db == 'default' and obj2._state.db ==
'default':
return True
return None
def allow_syncdb(self, db, model):
if db == 'viejuna':
return model._meta.app_label == 'vieja'
elif model._meta.app_label == 'vieja':
return False
return True
The Error:
$> dj validate
Traceback (most recent call last):
File "manage.py", line 11, in <module>
execute_manager(settings)
File "/usr/lib/python2.6/site-packages/django/core/management/
__init__.py", line 438, in execute_manager
utility.execute()
File "/usr/lib/python2.6/site-packages/django/core/management/
__init__.py", line 379, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/lib/python2.6/site-packages/django/core/management/
base.py", line 191, in run_from_argv
self.execute(*args, **options.__dict__)
File "/usr/lib/python2.6/site-packages/django/core/management/
base.py", line 209, in execute
translation.activate('en-us')
File "/usr/lib/python2.6/site-packages/django/utils/translation/
__init__.py", line 66, in activate
return real_activate(language)
File "/usr/lib/python2.6/site-packages/django/utils/functional.py",
line 55, in _curried
return _curried_func(*(args+moreargs), **dict(kwargs,
**morekwargs))
File "/usr/lib/python2.6/site-packages/django/utils/translation/
__init__.py", line 36, in delayed_loader
return getattr(trans, real_name)(*args, **kwargs)
File "/usr/lib/python2.6/site-packages/django/utils/translation/
trans_real.py", line 193, in activate
_active[currentThread()] = translation(language)
File "/usr/lib/python2.6/site-packages/django/utils/translation/
trans_real.py", line 176, in translation
default_translation = _fetch(settings.LANGUAGE_CODE)
File "/usr/lib/python2.6/site-packages/django/utils/translation/
trans_real.py", line 159, in _fetch
app = import_module(appname)
File "/usr/lib/python2.6/site-packages/django/utils/importlib.py",
line 35, in import_module
__import__(name)
File "/usr/lib/python2.6/site-packages/django/contrib/admin/
__init__.py", line 1, in <module>
from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
File "/usr/lib/python2.6/site-packages/django/contrib/admin/
helpers.py", line 1, in <module>
from django import forms
File "/usr/lib/python2.6/site-packages/django/forms/__init__.py",
line 17, in <module>
from models import *
File "/usr/lib/python2.6/site-packages/django/forms/models.py", line
6, in <module>
from django.db import connections
File "/usr/lib/python2.6/site-packages/django/db/__init__.py", line
64, in <module>
router = ConnectionRouter(settings.DATABASE_ROUTERS)
File "/usr/lib/python2.6/site-packages/django/db/utils.py", line
112, in __init__
raise ImproperlyConfigured('Error importing database router %s:
"%s"' % (klass_name, e))
django.core.exceptions.ImproperlyConfigured: Error importing database
router ProxyDB: "cannot import name connection"
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