Add wizard to print shipping labels

issue10834
review375701002

carrier.py

@@ -107,3 +107,10 @@ class Carrier(metaclass=PoolMeta):
                     'invisible': Eval('shipping_service') != 'dpd',
                     }),
             ]
+
+    @property
+    def shipping_label_mimetype(self):
+        mimetype = super().shipping_label_mimetype
+        if self.shipping_service == 'dpd':
+            mimetype = 'application/pdf'
+        return mimetype

stock.py

@@ -124,6 +124,7 @@ class CreateDPDShipping(Wizard):
         if not credential.depot or not credential.token:
             credential.update_token()
 
+        carrier = shipment.carrier
         shipping_client = get_client(credential.server, SHIPMENT_SERVICE)
         print_options = self.get_print_options(shipment)
         packages = shipment.root_packages
@@ -178,6 +179,8 @@ class CreateDPDShipping(Wizard):
         parcels = response.parcelInformation
         for package, label, parcel in zip_longest(packages, labels, parcels):
             package.shipping_label = fields.Binary.cast(label.getvalue())
+            package.shipping_label_mimetype = (
+                carrier.shipping_label_mimetype)
             package.shipping_reference = parcel.parcelLabelNumber
         Package.save(packages)
         shipment.save()

tests/scenario_shipping_dpd.rst

@@ -221,6 +221,8 @@ Create the packs and ship the shipment::
     >>> pack, = shipment.root_packages
     >>> pack.shipping_label is not None
     True
+    >>> pack.shipping_label_mimetype
+    'application/pdf'
     >>> pack.shipping_reference is not None
     True
     >>> pack.shipping_tracking_url.startswith('https://tracking.dpd.de/status/')