not much idea. I'd make sure its not iPython screwing things up, I seem to recall people having issues with it for some reason (which of course seems ridiculous....)
paulo wrote: > > Im trying to run through this tutorial > http://www.sqlalchemy.org/docs/05/ormtutorial.html. > > After running. > >>>> from sqlalchemy.ext.declarative import declarative_base > >>>> Base = declarative_base() >>>> class User(Base): > ... __tablename__ = 'users' > ... > ... id = Column(Integer, primary_key=True) > ... name = Column(String) > ... fullname = Column(String) > ... password = Column(String) > ... > ... def __init__(self, name, fullname, password): > ... self.name = name > ... self.fullname = fullname > ... self.password = password > ... > ... def __repr__(self): > ... return "<User('%s','%s', '%s')>" % (self.name, > self.fullname, self.password) > > I got an error. > > Traceback (most recent call last): > File "<ipython console>", line 1, in <module> > File "/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.5- > py2.6.egg/sqlalchemy/ext/declarative.py", line 546, in __init__ > _as_declarative(cls, classname, dict_) > File "/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.5- > py2.6.egg/sqlalchemy/ext/declarative.py", line 539, in _as_declarative > cls.__mapper__ = mapper_cls(cls, table, properties=our_stuff, > **mapper_args) > File "/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.5- > py2.6.egg/sqlalchemy/orm/__init__.py", line 749, in mapper > return Mapper(class_, local_table, *args, **params) > File "/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.5- > py2.6.egg/sqlalchemy/orm/mapper.py", line 198, in __init__ > self._configure_pks() > File "/usr/local/lib/python2.6/dist-packages/SQLAlchemy-0.5.5- > py2.6.egg/sqlalchemy/orm/mapper.py", line 439, in _configure_pks > "key columns for mapped table '%s'" % (self, > self.mapped_table.description)) > ArgumentError: Mapper Mapper|User|users could not assemble any primary > key columns for mapped table 'users' > > > Any ideas why this happens? > > rgds, > Paulo > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
