def get_or_create_product(asin):
"""
Checks the database for an existing ASIN. If not found, try to fetch it
using the Amazon Product API.
:return:
An instance of `products.models.Product`
"""
try:
product = Product.objects.get(asin=asin)
except:
amazon = AmazonAPI(settings.AWS_ACCESS_KEY_ID,
settings.AWS_SECRET_ACCESS_KEY,
settings.AWS_ASSOCIATE_TAG)
az = amazon.lookup(ItemId=asin)
product = Product(asin=asin, upc=az.upc, ean=az.ean,
description=az.title, image_url=az.large_image_url,
amazon_url=az.offer_url)
product.save()
generate_thumb.delay(product, '600x400')
generate_thumb.delay(product, '125x125')
product.manufacturer = az.get_attribute('Manufacturer')
product.brand = az.get_attribute('Brand')
product.model_number = az.get_attribute('Model')
product.mpn = az.mpn
product.part_number = az.part_number
product.sku = az.sku
product.isbn = az.isbn
product.length = az.get_attribute('ItemDimensions.Length')
product.width = az.get_attribute('ItemDimensions.Width')
product.height = az.get_attribute('ItemDimensions.Height')
product.weight = az.get_attribute('ItemDimensions.Weight')
product.save()
return product
