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Runtime error
Runtime error
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e867b58
1
Parent(s):
5430ad2
updated architecture
Browse files- zeroshot_clf.py +44 -0
zeroshot_clf.py
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import pandas as pd
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import streamlit
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import torch
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from transformers import AutoModelForSequenceClassification,AutoTokenizer
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import numpy as np
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import plotly.express as px
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model=AutoModelForSequenceClassification.from_pretrained('zero_shot_clf/')
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tokenizer=AutoTokenizer.from_pretrained('zero_shot_clf/')
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def zero_shot_classification(premise:str,labels:str,model=model,tokenizer=tokenizer):
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try:
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labels=labels.split(',')
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labels=[l.lower() for l in labels]
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except:
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raise Exception("please pass atleast 2 labels to classify")
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premise=premise.lower()
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labels_prob=[]
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for l in labels:
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hypothesis= f'this is an example of {l}'
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input = tokenizer.encode(premise,hypothesis,
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return_tensors='pt',
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truncation_strategy='only_first')
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output = model(input)
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entail_contra_prob = output['logits'][:,[0,2]].softmax(dim=1)[:,1].item()
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labels_prob.append(entail_contra_prob)
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labels_prob_norm=[np.round(100*c/np.sum(labels_prob),1) for c in labels_prob]
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df=pd.DataFrame({'labels':labels,
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'Probability':labels_prob_norm})
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fig=px.bar(x=df['Probability'],
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y=df['labels'])
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return streamlit.plotly_chart(fig)
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# zero_shot_classification(premise='Tiny worms and breath analyzers could screen for disease while it’s early and treatable',
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# labels='science, sports, museum')
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