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add aesthetic laion dataloader

This commit is contained in:
Robin Rombach 2022-07-09 14:59:54 +00:00 committed by pesser
parent 89ac468ce8
commit 5b582ddfd8
1 changed files with 12 additions and 1 deletions
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13
ldm/data/laion.py
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@ -148,7 +148,18 @@ class WebDataModuleFromConfig(pl.LightningDataModule):
nodesplitter = wds.shardlists.split_by_node if self.multinode else wds.shardlists.single_node_only
tars = os.path.join(self.tar_base, dataset_config.shards)
if self.tar_base == "__improvedaesthetic__":
print("## Warning, loading the same improved aesthetic dataset "
"for all splits and ignoring shards parameter.")
urls = []
for i in range(1, 65):
for j in range(512):
for k in range(5):
urls.append(f's3://s-laion/improved-aesthetics-laion-2B-en-subsets/aesthetics/{i:02d}/{j:03d}/{k:05d}.tar')
tars = [f'pipe:aws s3 cp {url} -' for url in urls]
else:
tars = os.path.join(self.tar_base, dataset_config.shards)
dset = wds.WebDataset(
tars,
nodesplitter=nodesplitter,