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POdjango 1.4 database router - "cannot import name connection"
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  1. POdjango 1.4 database router - "cannot import name connection"
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    copied!<p>I'm trying to shard my database on django, but I've got strange error on a first steps.</p> <p>I made a simple db router, that dous nothing:</p> <pre><code>'''file /myproject/myapp/routers.py''' class ShardingRouter(object): def db_for_read(self, model, **hints): return 'default' def db_for_write(self, model, **hints): return 'default' def allow_relation(self, obj1, obj2, **hints): return 'default' def allow_syncdb(self, db, model): return 'default' </code></pre> <p>I added in settings.py:</p> <pre><code>DATABASE_ROUTERS = ['myproject.myapp.routers.ShardingRouter',] </code></pre> <p>I'm getting this error:</p> <pre><code>Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 219, in __call__ self.load_middleware() File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 45, in load_middleware mod = import_module(mw_module) File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py", line 35, in import_module __import__(name) File "/hosting/myproject/myproject/middleware.py", line 10, in &lt;module&gt; from django.contrib.sites.models import Site File "/usr/local/lib/python2.7/dist-packages/django/contrib/sites/models.py", line 1, in &lt;module&gt; from django.db import models File "/usr/local/lib/python2.7/dist-packages/django/db/__init__.py", line 16, in &lt;module&gt; router = ConnectionRouter(settings.DATABASE_ROUTERS) File "/usr/local/lib/python2.7/dist-packages/django/db/utils.py", line 116, in __init__ raise ImproperlyConfigured('Error importing database router %s: "%s"' % (klass_name, e)) ImproperlyConfigured: Error importing database router ShardingRouter: "cannot import name connection" </code></pre> <p>What 'connection'? What does it mean? Can't find, where is the problem((</p>
 

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