Move declarative_base Base into base.py

The base class of all models "Base" should be in base.py.

mediagoblin/db/sql/base.py

@@ -15,6 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
+from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import scoped_session, sessionmaker, object_session
 from sqlalchemy.orm.query import Query
 from sqlalchemy.sql.expression import desc
@@ -73,3 +74,6 @@ class GMGTableBase(object):
             sess = Session()
         sess.add(self)
         sess.commit()
+
+
+Base = declarative_base(cls=GMGTableBase)

mediagoblin/db/sql/models.py

@@ -17,7 +17,6 @@
 
 import datetime
 
-from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy import (
     Column, Integer, Unicode, UnicodeText, DateTime, Boolean, ForeignKey,
     UniqueConstraint)
@@ -27,13 +26,10 @@ from sqlalchemy.sql.expression import desc
 from sqlalchemy.ext.associationproxy import association_proxy
 
 from mediagoblin.db.sql.extratypes import PathTupleWithSlashes
-from mediagoblin.db.sql.base import GMGTableBase
+from mediagoblin.db.sql.base import Base
 from mediagoblin.db.mixin import UserMixin, MediaEntryMixin
 
 
-Base = declarative_base(cls=GMGTableBase)
-
-
 class SimpleFieldAlias(object):
     """An alias for any field"""
     def __init__(self, fieldname):