add helpers

src/machine_learning/neural_network/helpers.py

@@ -0,0 +1,24 @@
+import os
+
+from torchvision.transforms import transforms
+
+
+main_path = os.path.dirname(os.path.abspath(__file__))
+
+img_main_path = os.path.dirname(main_path)
+for i in range(2):
+    img_main_path = os.path.dirname(img_main_path)
+
+img_main_path = os.path.join(img_main_path, 'images/learning')
+
+train_path = os.path.join(img_main_path, 'training')
+test_path = os.path.join(img_main_path, 'test')
+prediction_path = os.path.join(img_main_path, 'prediction')
+
+transformer = transforms.Compose([
+    transforms.Resize((150, 150)),
+    transforms.RandomHorizontalFlip(),
+    transforms.ToTensor(),
+    transforms.Normalize([0.5, 0.5, 0.5],
+                         [0.5, 0.5, 0.5])
+])