Fooocus/modules/expansion.py
lllyasviel 496766edd7
Fooocus Prompt Expansion (#329)
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2023-09-09 17:22:32 -07:00

24 lines
930 B
Python

import torch
from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline, set_seed
from modules.path import fooocus_expansion_path
class FooocusExpansion:
def __init__(self):
self.tokenizer = AutoTokenizer.from_pretrained(fooocus_expansion_path)
self.model = AutoModelForCausalLM.from_pretrained(fooocus_expansion_path)
self.pipe = pipeline('text-generation',
model=self.model,
tokenizer=self.tokenizer,
device='cpu',
torch_dtype=torch.float32)
print('Fooocus Expansion engine loaded.')
def __call__(self, prompt, seed):
prompt = str(prompt).rstrip('\n')
seed = int(seed)
set_seed(seed)
response = self.pipe(prompt, max_length=len(prompt) + 256)
result = response[0]['generated_text'].rstrip('\n')
return result