Update

1 files changed, 16 insertions, 17 deletions

diff --git a/data/csv.py b/data/csv.py
index df15c5a..5144c0a 100644
--- a/data/csv.py
+++ b/data/csv.py
@@ -99,7 +99,7 @@ class CSVDataModule(pl.LightningDataModule):
         val_dataset = CSVDataset(self.data_val, self.prompt_processor, batch_size=self.batch_size,
                                  instance_identifier=self.instance_identifier,
                                  size=self.size, interpolation=self.interpolation,
-                                 center_crop=self.center_crop, repeats=self.repeats)
+                                 center_crop=self.center_crop)
         self.train_dataloader_ = DataLoader(train_dataset, batch_size=self.batch_size,
                                             shuffle=True, pin_memory=True, collate_fn=self.collate_fn)
         self.val_dataloader_ = DataLoader(val_dataset, batch_size=self.batch_size,
@@ -157,6 +157,17 @@ class CSVDataset(Dataset):
     def __len__(self):
         return math.ceil(self._length / self.batch_size) * self.batch_size
 
+    def get_image(self, path):
+        if path in self.image_cache:
+            return self.image_cache[path]
+
+        image = Image.open(path)
+        if not image.mode == "RGB":
+            image = image.convert("RGB")
+        self.image_cache[path] = image
+
+        return image
+
     def get_example(self, i):
         item = self.data[i % self.num_instance_images]
         cache_key = f"{item.instance_image_path}_{item.class_image_path}"
@@ -169,30 +180,18 @@ class CSVDataset(Dataset):
         example["prompts"] = item.prompt
         example["nprompts"] = item.nprompt
 
-        if item.instance_image_path in self.image_cache:
-            instance_image = self.image_cache[item.instance_image_path]
-        else:
-            instance_image = Image.open(item.instance_image_path)
-            if not instance_image.mode == "RGB":
-                instance_image = instance_image.convert("RGB")
-            self.image_cache[item.instance_image_path] = instance_image
-
-        example["instance_images"] = instance_image
+        example["instance_images"] = self.get_image(item.instance_image_path)
         example["instance_prompt_ids"] = self.prompt_processor.get_input_ids(
             item.prompt.format(self.instance_identifier)
         )
 
         if self.num_class_images != 0:
-            class_image = Image.open(item.class_image_path)
-            if not class_image.mode == "RGB":
-                class_image = class_image.convert("RGB")
-
-            example["class_images"] = class_image
+            example["class_images"] = self.get_image(item.class_image_path)
             example["class_prompt_ids"] = self.prompt_processor.get_input_ids(
                 item.nprompt.format(self.class_identifier)
             )
 
-        self.cache[item.instance_image_path] = example
+        self.cache[cache_key] = example
         return example
 
     def __getitem__(self, i):
@@ -204,7 +203,7 @@ class CSVDataset(Dataset):
         example["instance_images"] = self.image_transforms(unprocessed_example["instance_images"])
         example["instance_prompt_ids"] = unprocessed_example["instance_prompt_ids"]
 
-        if self.class_identifier is not None:
+        if self.num_class_images != 0:
             example["class_images"] = self.image_transforms(unprocessed_example["class_images"])
             example["class_prompt_ids"] = unprocessed_example["class_prompt_ids"]