2025-09-07 14:59:17 +08:00
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from transformers import AutoProcessor
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import os
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processor_path = "/path/to/Qwen2.5-VL-3B-Instruct"
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action_tokenizer_path = "/path/to/fast"
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use_fast_tokenizer = True
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processor = AutoProcessor.from_pretrained(processor_path, use_fast=True)
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processor.tokenizer.padding_side = "left"
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2025-09-11 13:18:33 +08:00
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action_tokenizer = AutoProcessor.from_pretrained(
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action_tokenizer_path, trust_remote_code=True
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)
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2025-09-07 14:59:17 +08:00
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new_tokens = ["<|propri|>", "<|action|>"]
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new_tokens += [f"<|action_token_{i}|>" for i in range(action_tokenizer.vocab_size)]
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num_added_tokens = processor.tokenizer.add_tokens(new_tokens)
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2025-09-11 13:18:33 +08:00
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begin_idx_token = "<|action_token_0|>"
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2025-09-07 14:59:17 +08:00
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token_id = processor.tokenizer.convert_tokens_to_ids(begin_idx_token)
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processor.tokenizer.init_kwargs["action_token_start_index"] = token_id
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processor.tokenizer.init_kwargs["action_token_vocab_size"] = action_tokenizer.vocab_size
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new_tokenizer_dir = "/path/to/new_tokenizer"
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os.makedirs(new_tokenizer_dir, exist_ok=True)
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processor.save_pretrained(new_tokenizer_dir)
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