Здравствуйте, я пытаюсь реализовать запрос select_related
для обработки данных из двух таблиц RecievingObjectImages
и ObjectUpdationImages
, но я постоянно зависаю на
Отладочный вывод
(Pdb)
TypeError: Object of type RecievingObjectImages is not JSON serializable
> /Users/prady/github/GIS/papli-production-PH/GisServer/reciever/views.py(77)get()
-> return HttpResponse(json.dumps({'mapped_images': mapped_images}),
Файл моделей
class RecievingObjectImages(models.Model):
"""Original and Masked Object Images"""
name = models.CharField(max_length = 100, unique = True, primary_key=True)
area = models.IntegerField()
........
RCreated_date = models.DateTimeField(auto_now_add=True)
ROwner = models.CharField(max_length = 100)
# agency_name = models.CharField(max_length=100)
rawImage = models.ImageField(upload_to=imageNameForRawImage,)
maskedImage = models.ImageField(upload_to=imageNameForObjectImage,)
objects = GeoManager()
def __str__(self):
return self.name
class Meta:
verbose_name_plural = 'Object Mapping'
class ObjectUpdationImages(models.Model):
""" Update Object Image wrt name"""
name = models.ForeignKey(RecievingObjectImages, on_delete=models.PROTECT, unique=True)
........
is_filled = models.BooleanField(default=True)
checked = models.BooleanField(default=False)
def __str__(self):
return str(self.name)
Просмотр файлов
class Mapping_photos_select_related(APIView):
"""Mapping all images together"""
# breakpoint()
def get(self, requests):
mapped_images_qs = ObjectUpdationImages.objects.select_related('name').all()
mapped_images = []
for image in mapped_images_qs:
mapped_images.append({
'name' : image.name,
'updated_image' : image.updated_image,
.............
'rawImage' : image.name.rawImage,
'maskedImage' : image.name.maskedImage,
})
# return mapped_images
return HttpResponse(json.dumps({'mapped_images': mapped_images}),
content_type='application/json; charset=utf8')