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21 lines
942 B
Python
21 lines
942 B
Python
from .utils import Prompter, tokenize_long_prompt
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from transformers import CLIPTokenizer
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from ..models import SDTextEncoder
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import os
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class SDPrompter(Prompter):
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def __init__(self, tokenizer_path=None):
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if tokenizer_path is None:
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base_path = os.path.dirname(os.path.dirname(__file__))
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tokenizer_path = os.path.join(base_path, "tokenizer_configs/stable_diffusion/tokenizer")
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super().__init__()
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self.tokenizer = CLIPTokenizer.from_pretrained(tokenizer_path)
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def encode_prompt(self, text_encoder: SDTextEncoder, prompt, clip_skip=1, device="cuda", positive=True):
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prompt = self.process_prompt(prompt, positive=positive)
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input_ids = tokenize_long_prompt(self.tokenizer, prompt).to(device)
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prompt_emb = text_encoder(input_ids, clip_skip=clip_skip)
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prompt_emb = prompt_emb.reshape((1, prompt_emb.shape[0]*prompt_emb.shape[1], -1))
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return prompt_emb |