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Tho Tran
commited on
Create app.py
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app.py
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from transformers import AutoModelForSequenceClassification
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from transformers import TFAutoModelForSequenceClassification
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from transformers import AutoTokenizer, AutoConfig
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import numpy as np
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from scipy.special import softmax
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# Preprocess text (username and link placeholders)
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def preprocess(text):
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new_text = []
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for t in text.split(" "):
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t = '@user' if t.startswith('@') and len(t) > 1 else t
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t = 'http' if t.startswith('http') else t
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new_text.append(t)
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return " ".join(new_text)
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MODEL = f"cardiffnlp/twitter-xlm-roberta-base-sentiment"
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tokenizer = AutoTokenizer.from_pretrained(MODEL)
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config = AutoConfig.from_pretrained(MODEL)
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# PT
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model = AutoModelForSequenceClassification.from_pretrained(MODEL)
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model.save_pretrained(MODEL)
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text = "Good night 😊"
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text = preprocess(text)
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encoded_input = tokenizer(text, return_tensors='pt')
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output = model(**encoded_input)
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scores = output[0][0].detach().numpy()
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scores = softmax(scores)
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# Print labels and scores
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ranking = np.argsort(scores)
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ranking = ranking[::-1]
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for i in range(scores.shape[0]):
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l = config.id2label[ranking[i]]
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s = scores[ranking[i]]
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print(f"{i+1}) {l} {np.round(float(s), 4)}")
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