Merge pull request #14 from jrhyness/jr_tf_mnist_datahandler

Update tensorflow data handler

Author: AshleyZhao

Files/mnist_keras_data_handler.py

@@ -3,7 +3,7 @@
 import pickle
 import numpy as np
 
-from ibmfl.data.data_handler import DataHandler
+from ibm_watson_machine_learning.federated_learning.data_handler import DataHandler
 
 logger = logging.getLogger(__name__)
 
@@ -38,14 +38,14 @@ def get_data(self, nb_points=500):
             logger.info(
                 'Loaded training data from ' + str(self.train_file_name))
             with open(self.train_file_name, 'rb') as f:
-                (x_train, y_train)= pickle.load(f)
+                (self.x_train, self.y_train)= pickle.load(f)
             logger.info(
                 'Loaded test data from ' + str(self.test_file_name))
             with open(self.test_file_name, 'rb') as f:
-                (x_test, y_test)= pickle.load(f)
+                (self.x_test, self.y_test)= pickle.load(f)
 
-            x_train = x_train / 255.0
-            x_test = x_test / 255.0
+            self.x_train = self.x_train / 255.0
+            self.x_test = self.x_test / 255.0
 
 
         except Exception:
@@ -55,11 +55,11 @@ def get_data(self, nb_points=500):
 
         # Add a channels dimension
         import tensorflow as tf
-        x_train = x_train[..., tf.newaxis]
-        x_test = x_test[..., tf.newaxis]
+        self.x_train = self.x_train[..., tf.newaxis]
+        self.x_test = self.x_test[..., tf.newaxis]
 
-        print('x_train shape:', x_train.shape)
-        print(x_train.shape[0], 'train samples')
-        print(x_test.shape[0], 'test samples')
+        print('self.x_train shape:', self.x_train.shape)
+        print(self.x_train.shape[0], 'train samples')
+        print(self.x_test.shape[0], 'test samples')
 
-        return (x_train, y_train), (x_test, y_test)
+        return (self.x_train, self.y_train), (self.x_test, self.y_test)