Enables support for TrackingNumberUniqieIdentifier params to help tracking duplicate tracking numbers

Author: James Van Dyne

fedex/services/track_service.py

@@ -30,6 +30,9 @@ def __init__(self, config_obj, *args, **kwargs):
         
         @type config_obj: L{FedexConfig}
         @param config_obj: A valid FedexConfig object.
+        
+        @type tracking_number_unique_id: str
+        @param tracking_number_unique_id: Used to distinguish duplicate FedEx tracking numbers.
         """
         self._config_obj = config_obj
 
@@ -38,6 +41,11 @@ def __init__(self, config_obj, *args, **kwargs):
                              'intermediate': '0', 'minor': '0'}
         self.TrackPackageIdentifier = None
         """@ivar: Holds the TrackPackageIdentifier WSDL object."""
+        
+        self.TrackingNumberUniqueIdentifier = None
+        self.tracking_number_unique_id = kwargs.pop('tracking_number_unique_id', None)
+        
+        """@ivar: Holds the TrackingNumberUniqueIdentifier WSDL object."""
         # Call the parent FedexBaseService class for basic setup work.
         super(FedexTrackRequest, self).__init__(self._config_obj, 
                                                 'TrackService_v5.wsdl',
@@ -53,6 +61,10 @@ def _prepare_wsdl_objects(self):
         # Default to tracking number.
         self.TrackPackageIdentifier.Type = 'TRACKING_NUMBER_OR_DOORTAG'
 
+        if self.tracking_number_unique_id:
+	        self.TrackingNumberUniqueIdentifier = self.client.factory.create('TrackDetail')
+    		self.TrackingNumberUniqueIdentifier = self.tracking_number_unique_id
+        
     def _check_response_for_request_errors(self):
         """
         Checks the response to see if there were any errors specific to
@@ -82,6 +94,7 @@ def _assemble_and_send_request(self):
                                         TransactionDetail=self.TransactionDetail,
                                         Version=self.VersionId,
                                         IncludeDetailedScans=self.IncludeDetailedScans,
-                                        PackageIdentifier=self.TrackPackageIdentifier)
+                                        PackageIdentifier=self.TrackPackageIdentifier,
+                                        TrackingNumberUniqueIdentifier = self.TrackingNumberUniqueIdentifier )
 
         return response