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[textual_inversion] use tokenizer.add_tokens to add placeholder_token #357

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Merged
merged 1 commit into from
Sep 5, 2022
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[textual_inversion] use tokenizer.add_tokens to add placeholder_token #357

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17 changes: 10 additions & 7 deletions examples/textual_inversion/textual_inversion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -357,15 +357,18 @@ def main():

# Load the tokenizer and add the placeholder token as a additional special token
if args.tokenizer_name:
tokenizer = CLIPTokenizer.from_pretrained(
args.tokenizer_name, additional_special_tokens=[args.placeholder_token]
)
tokenizer = CLIPTokenizer.from_pretrained(args.tokenizer_name)
elif args.pretrained_model_name_or_path:
tokenizer = CLIPTokenizer.from_pretrained(
args.pretrained_model_name_or_path,
additional_special_tokens=[args.placeholder_token],
subfolder="tokenizer",
use_auth_token=args.use_auth_token,
args.pretrained_model_name_or_path, subfolder="tokenizer", use_auth_token=args.use_auth_token
)

# Add the placeholder token in tokenizer
num_added_tokens = tokenizer.add_tokens(args.placeholder_token)
if num_added_tokens == 0:
raise ValueError(
f"The tokenizer already contains the token {args.placeholder_token}. Please pass a different"
" `placeholder_token` that is not already in the tokenizer."
)

# Convert the initializer_token, placeholder_token to ids
Expand Down