From eb5b206f7e1b08435378d2a02395307be55ee6f1 Mon Sep 17 00:00:00 2001
From: Gustaf Rydholm <gustaf.rydholm@gmail.com>
Date: Tue, 6 Jul 2021 17:42:53 +0200
Subject: Refactoring data with attrs and refactor conf for hydra

---
 text_recognizer/data/iam_lines.py | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

(limited to 'text_recognizer/data/iam_lines.py')

diff --git a/text_recognizer/data/iam_lines.py b/text_recognizer/data/iam_lines.py
index 9c78a22..e45e5c8 100644
--- a/text_recognizer/data/iam_lines.py
+++ b/text_recognizer/data/iam_lines.py
@@ -7,8 +7,9 @@ dataset.
 import json
 from pathlib import Path
 import random
-from typing import List, Sequence, Tuple
+from typing import Dict, List, Sequence, Tuple
 
+import attr
 from loguru import logger
 from PIL import Image, ImageFile, ImageOps
 import numpy as np
@@ -35,26 +36,17 @@ IMAGE_HEIGHT = 56
 IMAGE_WIDTH = 1024
 
 
+@attr.s(auto_attribs=True)
 class IAMLines(BaseDataModule):
     """IAM handwritten lines dataset."""
 
-    def __init__(
-        self,
-        augment: bool = True,
-        fraction: float = 0.8,
-        batch_size: int = 128,
-        num_workers: int = 0,
-    ) -> None:
-        # TODO: add transforms
-        super().__init__(batch_size, num_workers)
-        self.augment = augment
-        self.fraction = fraction
+    augment: bool = attr.ib(default=True)
+    fraction: float = attr.ib(default=0.8)
+
+    def __attrs_post_init__(self) -> None:
         self.mapping, self.inverse_mapping, _ = emnist_mapping()
         self.dims = (1, IMAGE_HEIGHT, IMAGE_WIDTH)
         self.output_dims = (89, 1)
-        self.data_train: BaseDataset = None
-        self.data_val: BaseDataset = None
-        self.data_test: BaseDataset = None
 
     def prepare_data(self) -> None:
         """Creates the IAM lines dataset if not existing."""
-- 
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