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Resize images for the UI to improve load times on slow networks #142

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Jun 5, 2024
Merged

Resize images for the UI to improve load times on slow networks #142

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10 changes: 9 additions & 1 deletion src/invoke_training/ui/pages/data_page.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
from pathlib import Path

import gradio as gr
from PIL import Image

from invoke_training._shared.data.datasets.image_caption_jsonl_dataset import (
CAPTION_COLUMN_DEFAULT,
Expand Down Expand Up @@ -174,9 +175,16 @@ def _update_state(self, idx: int):
if 0 <= idx and idx < len(self._dataset):
beyond_limits = False
example = self._dataset[idx]
image = example["image"]
image: Image.Image = example["image"]
caption = example["caption"]

# Resize the image to have a max dimension of 1024. On slow connections, sending the full-size image can be
# very slow.
max_dim = 1024
if image.width > max_dim or image.height > max_dim:
scale = max_dim / max(image.width, image.height)
image = image.resize((int(image.width * scale), int(image.height * scale)))

jsonl_str = "\n".join([example.model_dump_json() for example in self._dataset.examples])
return {
self._select_dataset_group: gr.Group(visible=self._dataset is None),
Expand Down
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