wrt to organizing the model into different files, I've changed the
scheme that's is autogenerated in 0.9.7rc2.
My __init__.py looks like
##########################
from sqlalchemy import MetaData
from sqlalchemy.orm import scoped_session, sessionmaker
engine = None
meta = MetaData()
def init_model(engine):
"""Call me before using any of the tables or classes in the
model"""
sm = sessionmaker(autoflush=True, autocommit=False, bind=engine)
meta.engine = engine
meta.Session = scoped_session(sm)
# below are all individual classes
from user import *
from item import *
from folder import *
from page import *
###########################"
every class file contains the tabel definition, the class defintion
and the mapper. example
page.py, containing, Page a derived class from Item
############################
from sqlalchemy import MetaData, Column, Table, types, ForeignKey
from sqlalchemy.orm import mapper, relation, backref
from project.model import *
page = Table('page', meta.metadata,
Column('id', types.Integer, ForeignKey('item.id'),
primary_key=True),
Column('path', types.String(255)),
Column('language', types.String(2)),
Column('label', types.String(255)),
)
class Page(Item):
def __init__(self, identifier, **arg):
self.identifier = identifier
for (k,v) in arg.iteritems():
setattr(self,k,v)
mapper(Page, page, inherits=Item, polymorphic_identity='page')
###############################"
but of course this all is a personal preference
Ruben
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