mirror of
https://github.com/comfyanonymous/ComfyUI.git
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54 lines
2.8 KiB
Python
54 lines
2.8 KiB
Python
from ..transformers_compat import Qwen2Tokenizer
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from . import llama
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from .. import sd1_clip
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from ..component_model import files
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class Qwen3Tokenizer(sd1_clip.SDTokenizer):
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def __init__(self, embedding_directory=None, tokenizer_data=None):
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if tokenizer_data is None:
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tokenizer_data = {}
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tokenizer_path = files.get_package_as_path("comfy.text_encoders.qwen25_tokenizer")
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super().__init__(tokenizer_path, pad_with_end=False, embedding_size=2560, embedding_key='qwen3_4b', tokenizer_class=Qwen2Tokenizer, has_start_token=False, has_end_token=False, pad_to_max_length=False, max_length=99999999, min_length=1, pad_token=151643, tokenizer_data=tokenizer_data)
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class ZImageTokenizer(sd1_clip.SD1Tokenizer):
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def __init__(self, embedding_directory=None, tokenizer_data={}):
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super().__init__(embedding_directory=embedding_directory, tokenizer_data=tokenizer_data, name="qwen3_4b", tokenizer=Qwen3Tokenizer)
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self.llama_template = "<|im_start|>user\n{}<|im_end|>\n<|im_start|>assistant\n"
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def tokenize_with_weights(self, text, return_word_ids=False, llama_template=None, **kwargs):
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if llama_template is None:
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llama_text = self.llama_template.format(text)
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else:
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llama_text = llama_template.format(text)
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tokens = super().tokenize_with_weights(llama_text, return_word_ids=return_word_ids, disable_weights=True, **kwargs)
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return tokens
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class Qwen3_4BModel(sd1_clip.SDClipModel):
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def __init__(self, device="cpu", layer="hidden", layer_idx=-2, dtype=None, attention_mask=True, model_options=None, textmodel_json_config=None):
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if model_options is None:
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model_options = {}
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# textmodel_json_config is IGNORED
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textmodel_json_config = {}
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super().__init__(device=device, layer=layer, layer_idx=layer_idx, textmodel_json_config=textmodel_json_config, dtype=dtype, special_tokens={"pad": 151643}, layer_norm_hidden_state=False, model_class=llama.Qwen3_4B, enable_attention_masks=attention_mask, return_attention_masks=attention_mask, model_options=model_options)
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class ZImageTEModel(sd1_clip.SD1ClipModel):
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def __init__(self, device="cpu", dtype=None, model_options={}):
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super().__init__(device=device, dtype=dtype, name="qwen3_4b", clip_model=Qwen3_4BModel, model_options=model_options)
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def te(dtype_llama=None, llama_quantization_metadata=None):
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class ZImageTEModel_(ZImageTEModel):
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def __init__(self, device="cpu", dtype=None, model_options={}):
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if dtype_llama is not None:
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dtype = dtype_llama
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if llama_quantization_metadata is not None:
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model_options["quantization_metadata"] = llama_quantization_metadata
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super().__init__(device=device, dtype=dtype, model_options=model_options)
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return ZImageTEModel_
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