This is VERY WEIRD:
In [2]: import django
In [3]: django.get_version()
Out[3]: u'0.97-pre-SVN-7031'
In [4]: from leach.models import Category
In [5]: a = Category.objects.all()[0]
In [6]: a.episodes
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/Users/orestis/Developer/skai/skai/<ipython console>
/opt/local/lib/python2.4/site-packages/django/db/models/fields/
related.py in __get__(self, instance, instance_type)
246 clear.alters_data = True
247
--> 248 manager = RelatedManager()
249 manager.core_filters = {'%s__pk' % rel_field.name:
getattr(instance, rel_field.rel.get_related_field().attname)}
250 manager.model = self.related.model
TypeError: __init__() takes at least 2 arguments (1 given)
----
Here is the code:
class Kind(models.Model):
title = models.CharField(max_length=100)
description = models.TextField()
extension_final = models.CharField(max_length=10)
extension_temp = models.CharField(max_length=10)
command = models.TextField()
class Category(models.Model):
title= models.CharField(max_length=100)
description = models.TextField(blank=True)
kind = models.ForeignKey(Kind, radio_admin=True )
skai_id = models.IntegerField(unique=True)
list_url = models.URLField(max_length=500)
#the episode url uses placeholders so it can't be verified
episode_url = models.URLField(max_length=500, verify_exists=False)
episode_skai_id_regexp = models.CharField(max_length=200)
episode_file_url_regexp = models.CharField(max_length=200)
class EpisodeManager(models.Manager):
def __init__(self, status, *args, **kwargs):
self.status = status
super(models.Manager, self).__init__(*args,**kwargs)
def get_query_set(self):
return super(EpisodeManager,
self).get_query_set().filter(status=self.status)
class Episode(models.Model):
category = models.ForeignKey(Category, related_name='episodes')
skai_id = models.IntegerField(unique=True)
file_url = models.URLField(max_length=500)
filename = models.CharField(max_length=500, editable=False)
#autopopulate this from id
published = models.DateField(editable=False)
ready = models.DateField(null=True, editable=False)
status =
models.CharField(max_length=30,choices=( ('pending','Pending'),
('downloading','Downloading'),('waiting', 'Waiting'),
('converting','Converting'), ('finished','Finished') ))
pending = EpisodeManager('pending')
downloading = EpisodeManager('downloading')
waiting = EpisodeManager('waiting')
converting = EpisodeManager('converting')
finished = EpisodeManager('finished')
----
Everything works in admin, I have added some sample data. When some
code tries to access 'categoty.episodes' it blows up. Beats me why...
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