Add two method to get list of UPC and EAN

amazon/api.py

@@ -981,6 +981,22 @@ def ean(self):
                 ean = self._safe_get_element_text(
                     'EANListElement', root=ean_list[0])
         return ean
+
+    @property
+    def eans(self):
+        """EANs.
+
+        :return:
+            EANs ([string])
+        """
+
+        ean_list = self._safe_get_element('ItemAttributes.EANList.EANListElement')
+        if ean_list and len(ean_list) > 0:
+            eans = [ean.text for ean in ean_list]
+        else:
+            eans = []
+
+        return eans
 
     @property
     def upc(self):
@@ -996,6 +1012,22 @@ def upc(self):
                 upc = self._safe_get_element_text(
                     'UPCListElement', root=upc_list[0])
         return upc
+
+    @property
+    def upcs(self):
+        """UPCs.
+
+        :return:
+            UPCs ([string])
+        """
+
+        upc_list = self._safe_get_element('ItemAttributes.UPCList.UPCListElement')
+        if upc_list and len(upc_list) > 0:
+            upcs = [upc.text for upc in upc_list]
+        else:
+            upcs = []
+
+        return upcs
 
     @property
     def color(self):

tests.py

@@ -113,6 +113,8 @@ def test_lookup(self):
         product = self.amazon.lookup(ItemId="B00ZV9PXP2")
         assert_true('Kindle' in product.title)
         assert_equals(product.ean, '0848719083774')
+        assert_true(len(product.eans) > 0)
+        assert_true(len(product.upcs) >= 0)
         assert_equals(
             product.large_image_url,
             'https://images-na.ssl-images-amazon.com/images/I/51hrdzXLUHL.jpg'