every class knows about classes defined in the same model, or in models
imported
before it's definition.
call setup_all at the end of the model that knows everything.
i'll try your model hierarchy tomorrow, but i have my working hierarchy for
some
time :) .
best regards,
alex
DanL wrote:
> So do you mean for, say, humans.py:
>
> humans.py:
> -----------
> from elixir import Field, Unicode, OneToMany, Entity
> from tgmultifilemodel.model import *
>
> class Man(Entity):
>
> name = Field(Unicode(10))
> pets = OneToMany('Dog')
>
> def __repr__(self):
> return '<Man \'%s\'>' % (self.name)
>
>
> This doesn't seem to work... it creates the key error I described
> above.
>
> -Dan
>
> On Apr 30, 6:10 pm, alex bodnaru <[EMAIL PROTECTED]> wrote:
>> to avoid unnatural full address, which will further complicate after each
>> import, use from model import *.
>>
>> Gaetan de Menten wrote:
>>> Yeah, that's the only reliable method currently. Thanks for digging in
>>> the mailing list archive for the answer!
>>> I've had an answer to DanL message in my draft folder for quite a
>>> while now (no idea why I didn't send it when I wrote it :-/).
>>> I'll definitely need to address this in a FAQ or even the tutorial
>>> given the number of people who trip on this...
>>> On Wed, Apr 30, 2008 at 10:56 AM, Yap Sok Ann <[EMAIL PROTECTED]> wrote:
>>>> On Apr 30, 11:32 am, Yap Sok Ann <[EMAIL PROTECTED]> wrote:
>>>> > The model below doesn't seem to work with any of the import methods
>>>> > laid out in this discussion and in the wiki. It has an "odd many-to-
>>>> > many relationship" which is modeled following Gaeten's suggestion
>>>> inhttp://www.mail-archive.com/[EMAIL PROTECTED]/msg02616.html
>>>> > man.py
>>>> > ------
>>>> > from elixir import Entity, Field, Unicode, has_many
>>>> > class Man(Entity):
>>>> > name = Field(Unicode(10))
>>>> > has_many('relationships', of_kind='Relationship')
>>>> > def __repr__(self):
>>>> > return '<Man \'%s\'>' % (self.name)
>>>> > woman.py
>>>> > --------
>>>> > from elixir import Entity, Field, Unicode, has_many
>>>> > class Woman(Entity):
>>>> > name = Field(Unicode(10))
>>>> > has_many('relationships', of_kind='Relationship')
>>>> > def __repr__(self):
>>>> > return '<Woman \'%s\'>' % (self.name)
>>>> > relationship.py
>>>> > ---------------
>>>> > from elixir import Entity, Field, Unicode, belongs_to
>>>> > class Relationship(Entity):
>>>> > name = Field(Unicode(10))
>>>> > belongs_to('man', of_kind='Man', required=True)
>>>> > belongs_to('woman', of_kind='Woman', required=True)
>>>> > def __repr__(self):
>>>> > return '<Relationship \'%s\'>' % (self.name)
>>>> > Tested under Elixir 0.5.2
>>>> I got it to work using full path addressing as mentioned by Gaeten in
>>>>
>>>> http://groups.google.com/group/sqlelixir/browse_thread/thread/bc8b23a1ae8bd9ec
>>>> Dan, can you try if it works for you? Should work fine regardless of
>>>> how to structure the files or where to do the import.
>>>> FWIW, here's what I have:
>>>> model/__init__.py
>>>> -----------------
>>>> model/man.py
>>>> ------------
>>>> from elixir import Entity, Field, Unicode, has_many
>>>> class Man(Entity):
>>>> name = Field(Unicode(10))
>>>> has_many('relationships', of_kind='model.relationship.Re
>>>> lationship')
>>>> has_many('women', through='relationships', via='woman')
>>>> def __repr__(self):
>>>> return '<Man \'%s\'>' % (self.name)
>>>> model/woman.py
>>>> --------------
>>>> from elixir import Entity, Field, Unicode, has_many
>>>> class Woman(Entity):
>>>> name = Field(Unicode(10))
>>>> has_many('relationships',
>>>> of_kind='model.relationship.Relationship')
>>>> has_many('men', through='relationships', via='man')
>>>> def __repr__(self):
>>>> return '<Woman \'%s\'>' % (self.name)
>>>> model/relationship.py
>>>> ---------------------
>>>> from elixir import Entity, Field, Unicode, belongs_to
>>>> class Relationship(Entity):
>>>> name = Field(Unicode(10))
>>>> belongs_to('man', of_kind='model.man.Man',
>>>> inverse='relationships', required=True)
>>>> belongs_to('woman', of_kind='model.woman.Woman',
>>>> inverse='relationships', required=True)
>>>> def __repr__(self):
>>>> return '<Relationship \'%s\'>' % (self.name)
>>>> test.py
>>>> -------
>>>> from elixir import Entity, setup_all
>>>> from model.man import Man
>>>> from model.woman import Woman
>>>> from model.relationship import Relationship
>>>> print Entity.__metaclass__._entities
>>>> setup_all()
> >
>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"SQLElixir" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/sqlelixir?hl=en
-~----------~----~----~----~------~----~------~--~---
