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PODjango cannot import name x
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copied!<p>I got an error I don't understand !</p> <p><em>cannot import name Item</em></p> <p>In my model, I have items. These items are required for actions. But some of these items have an effect on actions :</p> <p><strong>items</strong></p> <pre><code>from django.db import models from effects.models import Effect class Type(models.Model): name = models.CharField(max_length=200) def __unicode__(self): return self.name class Item(models.Model): name = models.CharField(max_length=200) description = models.CharField(max_length=200) type = models.ForeignKey(Type) quality = models.IntegerField() effects = models.ManyToManyField(Effect,through='ItemEffect',blank=True) item_requirement = models.ManyToManyField('self',through='ItemCraft',symmetrical=False,blank=True) points = models.IntegerField() def __unicode__(self): return self.name class Food(Item): ap = models.IntegerField() class Tool(Item): durability = models.IntegerField() [....] class ItemEffect(models.Model): item = models.ForeignKey(Item) effect = models.ForeignKey(Effect) def __unicode__(self): return self.item.name+':'+str.lower(self.effect.name) class Meta: verbose_name_plural = 'items effects' class ItemCraft(models.Model): item = models.ForeignKey(Item,related_name='%(class)s_item_crafted') item_requirement = models.ForeignKey(Item,related_name='%(class)s_item_required') number = models.IntegerField() def __unicode__(self): return self.item.name+' requires '+str.lower(self.item.name)+'('+self.number+')' class Meta: verbose_name_plural = 'items crafts' </code></pre> <p><strong>actions</strong></p> <pre><code>from django.db import models from items.models import Item class Action(models.Model): name = models.CharField(max_length=200) description = models.CharField(max_length=200) pa = models.IntegerField() def __unicode__(self): return self.name class CraftAction(Action): item = models.ForeignKey(Item) def __unicode__(self): return self.item.name+'\'s craft' class Meta: verbose_name_plural = 'crafts actions' </code></pre> <p><strong>effects</strong></p> <pre><code>from django.db import models from actions.models import Action class Effect(models.Model): action = models.ForeignKey class ApEffect(Effect): ap = models.IntegerField() </code></pre>

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