65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
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from comfy import sd1_clip
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import comfy.text_encoders.t5
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from transformers import T5TokenizerFast
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import torch
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import os
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class T5XXLModel(sd1_clip.SDClipModel):
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def __init__(self, device="cpu", layer="last", layer_idx=None, dtype=None):
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textmodel_json_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), "t5_config_xxl.json")
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super().__init__(device=device, layer=layer, layer_idx=layer_idx, textmodel_json_config=textmodel_json_config, dtype=dtype, special_tokens={"end": 1, "pad": 0}, model_class=comfy.text_encoders.t5.T5)
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class T5XXLTokenizer(sd1_clip.SDTokenizer):
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def __init__(self, embedding_directory=None, tokenizer_data={}):
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tokenizer_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "t5_tokenizer")
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super().__init__(tokenizer_path, pad_with_end=False, embedding_size=4096, embedding_key='t5xxl', tokenizer_class=T5TokenizerFast, has_start_token=False, pad_to_max_length=False, max_length=99999999, min_length=256)
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class FluxTokenizer:
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def __init__(self, embedding_directory=None, tokenizer_data={}):
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self.clip_l = sd1_clip.SDTokenizer(embedding_directory=embedding_directory)
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self.t5xxl = T5XXLTokenizer(embedding_directory=embedding_directory)
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def tokenize_with_weights(self, text:str, return_word_ids=False):
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out = {}
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out["l"] = self.clip_l.tokenize_with_weights(text, return_word_ids)
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out["t5xxl"] = self.t5xxl.tokenize_with_weights(text, return_word_ids)
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return out
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def untokenize(self, token_weight_pair):
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return self.clip_g.untokenize(token_weight_pair)
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def state_dict(self):
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return {}
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class FluxClipModel(torch.nn.Module):
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def __init__(self, device="cpu", dtype=None):
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super().__init__()
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self.clip_l = sd1_clip.SDClipModel(device=device, dtype=dtype, return_projected_pooled=False)
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self.t5xxl = T5XXLModel(device=device, dtype=dtype)
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self.dtypes = set([dtype])
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def set_clip_options(self, options):
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self.clip_l.set_clip_options(options)
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self.t5xxl.set_clip_options(options)
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def reset_clip_options(self):
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self.clip_l.reset_clip_options()
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self.t5xxl.reset_clip_options()
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def encode_token_weights(self, token_weight_pairs):
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token_weight_pairs_l = token_weight_pairs["l"]
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token_weight_pars_t5 = token_weight_pairs["t5xxl"]
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t5_out, t5_pooled = self.t5xxl.encode_token_weights(token_weight_pars_t5)
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l_out, l_pooled = self.clip_l.encode_token_weights(token_weight_pairs_l)
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return t5_out, l_pooled
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def load_sd(self, sd):
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if "text_model.encoder.layers.1.mlp.fc1.weight" in sd:
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return self.clip_l.load_sd(sd)
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else:
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return self.t5xxl.load_sd(sd)
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