Follow the complete Stack Trace:
Traceback (most recent call last):
File "/Users/macbookair2011/Desktop/projects/portautos/manage.py", line
194, in <module>
manager.run()
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/flask_script/__init__.py",
line 412, in run
result = self.handle(sys.argv[0], sys.argv[1:])
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/flask_script/__init__.py",
line 383, in handle
res = handle(*args, **config)
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/flask_script/commands.py",
line 216, in __call__
return self.run(*args, **kwargs)
File "/Users/macbookair2011/Desktop/projects/portautos/manage.py", line
41, in load_types_and_makers
t = Type(name=type_)
File "<string>", line 2, in __init__
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/instrumentation.py",
line 324, in _new_state_if_none
state = self._state_constructor(instance, self)
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.py",
line 725, in __get__
obj.__dict__[self.__name__] = result = self.fget(obj)
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/instrumentation.py",
line 158, in _state_constructor
self.dispatch.first_init(self, self.class_)
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/event/attr.py",
line 260, in __call__
fn(*args, **kw)
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/mapper.py",
line 2702, in _event_on_first_init
configure_mappers()
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/mapper.py",
line 2598, in configure_mappers
mapper._post_configure_properties()
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/mapper.py",
line 1696, in _post_configure_properties
prop.init()
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/interfaces.py",
line 144, in init
self.do_init()
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/relationships.py",
line 1551, in do_init
self._setup_join_conditions()
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/relationships.py",
line 1625, in _setup_join_conditions
can_be_synced_fn=self._columns_are_mapped
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/relationships.py",
line 1893, in __init__
self._determine_joins()
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/orm/relationships.py",
line 1959, in _determine_joins
consider_as_foreign_keys=consider_as_foreign_keys
File "<string>", line 2, in join_condition
File
"/Users/macbookair2011/Documents/envs/portautosapp/lib/python2.7/site-packages/sqlalchemy/sql/selectable.py",
line 707, in _join_condition
b.foreign_keys,
AttributeError: 'tuple' object has no attribute 'foreign_keys'
Em quarta-feira, 13 de maio de 2015 12:49:43 UTC-3, willian coelho escreveu:
>
> Hello everyone,
>
> I`m getting an error when creating a new instance of my model `Type`. I
> have a many-to-many relationship between Type and Maker.
>
> Code:
>
> type_maker = db.Table(
> 'type_maker',
> db.metadata,
> db.Column('type_id', db.Integer, db.ForeignKey('type.id')),
> db.Column('maker_id', db.Integer, db.ForeignKey('maker.id')))
>
>
> class Type(db.Model):
> """VehicleType
> """
> __tablename__ = 'type'
> id = db.Column(db.Integer, primary_key=True)
> name = db.Column(db.String(50), unique=True, index=True)
> makers = db.relationship('Maker', secondary='type_maker', backref=db.
> backref('type'))
>
> def __repr__(self):
> return '<Type #{}: {}>'.format(self.id, self.name)
>
>
> class Maker(db.Model):
> """VehicleMaker
> """
> __tablename__ = 'maker'
> id = db.Column(db.Integer, primary_key=True)
> name = db.Column(db.String(50), index=True)
> versions = db.relationship('Version', backref=db.backref('maker'))
>
> def __repr__(self):
> return '<Maker #{}: {}>'.format(self.id, self.name)
>
>
> type_ = Type(name='Car')
>
>
>
> Error:
> 'tuple' object has no attribute 'foreign_keys'
>
> What is wrong with the code?
>
> Thanks in advance!
> Michael Coelho.
>
>
--
You received this message because you are subscribed to the Google Groups
"sqlalchemy" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/sqlalchemy.
For more options, visit https://groups.google.com/d/optout.
