json - Django rest-framework + polymorphic: serialize a list of URLs -
the relevant parts of model:
class item(polymorphicmodel): rating = models.decimalfield(default=0.0, max_digits=5, decimal_places=2) picture = models.urlfield(max_length=200) category = models.foreignkey('category', related_name='items') # url_list class movie(item): title = models.charfield(max_length=200) description = models.charfield(max_length=2000) ... i have list of urls in item class. list should serialized in movie object serializer.
so far tried create model represent url way:
class url(models.model): url = models.urlfield(max_length=200) item = models.foreignkey('item', related_name='pictures') but empty list when movie serialized. serializers are:
class urlserializer(serializers.modelserializer): class meta: model = scrollerpictureurl fields = ('url',) class movieserializer(serializers.modelserializer): urls = urlserializer(many=true) class meta: model = movie exclude = ('polymorphic_ctype', 'category') i need know how serialize url list movie object it's not empty.
that's did finally:
class movieserializer(serializers.modelserializer): urls = serializers.slugrelatedfield(many=true, slug_field='url') class meta: model = movie exclude = ('polymorphic_ctype', 'category')
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