Anonymous941 commited on
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bfbf5ad
1 Parent(s): fb94a5d

Update pipeline.py

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  1. pipeline.py +39 -0
pipeline.py ADDED
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+ import torch
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+ import nltk
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+ import io
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+ import base64
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+ import shutil
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+ from torchvision import transforms
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+
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+ from pytorch_pretrained_biggan import BigGAN, one_hot_from_names, truncated_noise_sample
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+
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+ class PreTrainedPipeline():
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+ def __init__(self, path=""):
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+ """
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+ Initialize model
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+ """
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+ nltk.download('wordnet')
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+ self.model = BigGAN.from_pretrained(path)
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+ self.truncation = 0.1
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+
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+ def __call__(self, inputs: str):
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+ """
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+ Args:
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+ inputs (:obj:`str`):
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+ a string containing some text
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+ Return:
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+ A :obj:`PIL.Image` with the raw image representation as PIL.
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+ """
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+ class_vector = one_hot_from_names([inputs], batch_size=1)
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+ if type(class_vector) == type(None):
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+ raise ValueError("Input is not in ImageNet")
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+ noise_vector = truncated_noise_sample(truncation=self.truncation, batch_size=1)
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+ noise_vector = torch.from_numpy(noise_vector)
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+ class_vector = torch.from_numpy(class_vector)
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+ with torch.no_grad():
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+ output = self.model(noise_vector, class_vector, self.truncation)
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+
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+ # Scale image
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+ img = output[0]
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+ img = (img + 1) / 2.0
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+ img = transforms.ToPILImage()(img)