Michael,
I've tried on the current trunk (r1164) but it's still not working for me.
Atached you'll find my test programm.
Cheers,
Florian
Quoting Michael Bayer <[EMAIL PROTECTED]>:
> florian -
>
> i have managed to reproduce what is probably the problem youre
> having, and made even more modifications to inheritance to more
> accurately determine join conditions, relationship directions, and
> syncrules. give the trunk a try.
>
> - mike
>
> On Mar 17, 2006, at 10:46 AM, Florian Boesch wrote:
>
> > Was working with revision 1117 successfully. Now I updated to the
> > downloadable
> > version 0.1.4 and it breaks on me at a line resmebling:
> >
> > B.mapper = sqla.mapper(B, b, inherits=a)
> >
> > I also tried with the current trunk, same result. Below the traceback.
> >
> > Traceback (most recent call last):
> > File "./start-shop.py", line 20, in ?
> > from shop.controllers import Root
> > File "/home/florian/shop_ng/shop/shop/controllers.py", line 3, in ?
> > from shop import platforms, tools, mandator, oracle_session
> > File "/home/florian/shop_ng/shop/shop/tools.py", line 2, in ?
> > from shop.application import model
> > File "/home/florian/shop_ng/shop/shop/application/__init__.py",
> > line 1, in ?
> > from sqla import orm, model
> > File "/home/florian/shop_ng/shop/shop/application/sqla/orm.py",
> > line 31, in ?
> > products = sqla.mapper(Product, model.product, inherits=contents)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.4-py2.4.egg/
> > sqlalchemy/mapping/__init__.py",
> > line 55, in mapper
> > return Mapper(class_, table, *args, **params)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.4-py2.4.egg/
> > sqlalchemy/mapping/mapper.py",
> > line 187, in __init__
> > prop.init(key, self)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.4-py2.4.egg/
> > sqlalchemy/mapping/mapper.py",
> > line 859, in init
> > self.do_init(key, parent)
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.4-py2.4.egg/
> > sqlalchemy/mapping/properties.py",
> > line 189, in do_init
> > self.direction = self._get_direction()
> > File
> > "/usr/local/lib/python2.4/site-packages/SQLAlchemy-0.1.4-py2.4.egg/
> > sqlalchemy/mapping/properties.py",
> > line 238, in _get_direction
> > raise ArgumentError("Cant determine relation direction")
> > sqlalchemy.exceptions.ArgumentError: Cant determine relation direction
> >
> > Cheers, Florian
> >
> >
> > -------------------------------------------------------
> > This SF.Net email is sponsored by xPML, a groundbreaking scripting
> > language
> > that extends applications into web and mobile media. Attend the
> > live webcast
> > and join the prime developer group breaking into this new coding
> > territory!
> > http://sel.as-us.falkag.net/sel?
> > cmd=lnk&kid=110944&bid=241720&dat=121642
> > _______________________________________________
> > Sqlalchemy-users mailing list
> > Sqlalchemy-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/sqlalchemy-users
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting language
> that extends applications into web and mobile media. Attend the live webcast
> and join the prime developer group breaking into this new coding territory!
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642
> _______________________________________________
> Sqlalchemy-users mailing list
> Sqlalchemy-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/sqlalchemy-users
>
>
content_type = Table('content_type', engine, Column('id', Integer, primary_key=True))
content = Table('content', engine,
Column('id', Integer, primary_key=True),
Column('content_type_id', Integer, ForeignKey('content_type.id'))
)
product = Table('product', engine, Column('id', Integer, ForeignKey('content.id'), primary_key=True))
class ContentType(object): pass
class Content(object): pass
class Product(object): pass
content_types = mapper(ContentType, content_type)
contents = mapper(Content, content)
contents.add_property('content_type', relation(content_types)) #adding this makes the inheritance stop working
products = mapper(Product, product, inherits=contents)
