Started dataset.py, added the ReviewDataset class and implemented the __init__, __len__ and __getitem__ methods. The __getitem__ method currently just returns the review text, but will be updated to return the tokenized review as a tensor

src/dataset.py

@@ -0,0 +1,29 @@
+# dataset.py
+
+# Takes a row from the csv, tokenizes the review and returns a tensor
+
+import torch
+import pandas as pd
+from torch.utils.data import Dataset
+from transformers import AutoTokenizer
+
+class ReviewDataset(Dataset):
+    def __init__(self, path, tokenizer, max_length=256):
+        self.df = pd.read_csv(path)
+        self.tokenizer = tokenizer
+        self.max_length = max_length
+
+    def __len__(self):
+        return len(self.df)
+    
+    def __getitem__(self, idx):
+        review = self.df.iloc[idx]['review']
+        return review
+
+uber = ReviewDataset("data/processed/original_train.csv", AutoTokenizer.from_pretrained("FacebookAI/xlm-roberta-base"))
+print(uber.__getitem__(1))
+
+    
+
+    
+