I'm teaching myself django by idling poking at a project in the hope that it
may become a playable browser game some day. It's early days.
So I have a model "Game", which is one game session. Each game is supposed
to have two teams. I doubt the content of the Team model matters very much,
so I'll just paste the relevant bits from Game:
class Game(models.Model):
team1 = models.OneToOneField(Team, related_name="team1", null=True)
team2 = models.OneToOneField(Team, related_name="team2", null=True)
def __init__(self, *args, **kwargs):
super(Game, self).__init__(self, *args, **kwargs)
self.team1 = Team()
self.team2 = Team()
The code I used to have, which worked, manually created a game and its two
teams. This was in the view for the "create new game" page, which I found
all kinds of ugly. Since every game should start out with exactly two teams
in it, it makes most sense to have that code inside the Game model, right?
So here's the error I'm currently getting when I try to save a game:
>>> from game.models import Team, Game
>>> tg = Game(name="testgame")
>>> tg.save()
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "c:\coding\django-1.1.1\django\db\models\base.py", line 410, in save
self.save_base(force_insert=force_insert, force_update=force_update)
File "c:\coding\django-1.1.1\django\db\models\base.py", line 470, in
save_base
manager.filter(pk=pk_val).extra(select={'a':
1}).values('a').order_by())):
File "c:\coding\django-1.1.1\django\db\models\manager.py", line 129, in
filter
return self.get_query_set().filter(*args, **kwargs)
File "c:\coding\django-1.1.1\django\db\models\query.py", line 498, in
filter
return self._filter_or_exclude(False, *args, **kwargs)
File "c:\coding\django-1.1.1\django\db\models\query.py", line 516, in
_filter_or_exclude
clone.query.add_q(Q(*args, **kwargs))
File "c:\coding\django-1.1.1\django\db\models\sql\query.py", line 1675, in
add_q
can_reuse=used_aliases)
File "c:\coding\django-1.1.1\django\db\models\sql\query.py", line 1614, in
add_filter
connector)
File "c:\coding\django-1.1.1\django\db\models\sql\where.py", line 56, in
add
obj, params = obj.process(lookup_type, value)
File "c:\coding\django-1.1.1\django\db\models\sql\where.py", line 269, in
process
params = self.field.get_db_prep_lookup(lookup_type, value)
File "c:\coding\django-1.1.1\django\db\models\fields\__init__.py", line
210, in get_db_prep_lookup
return [self.get_db_prep_value(value)]
File "c:\coding\django-1.1.1\django\db\models\fields\__init__.py", line
361, in get_db_prep_value
return int(value)
TypeError: int() argument must be a string or a number, not 'Game'
I have no idea what this error means, and I strongly suspect I'm Doing It
Wrong [tm] in the first place. There's probably a very easy way to do this
that I'm not seeing.
Thanks!
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