app.py

import gradio as gr
import onnxruntime 
from transformers import AutoTokenizer
import torch, json

token = AutoTokenizer.from_pretrained('distilbert-base-uncased-finetuned-sst-2-english')

types = ['Negative','Positive']

inf_session = onnxruntime.InferenceSession('classifier_quantized.onnx')
input_name = inf_session.get_inputs()[0].name
output_name = inf_session.get_outputs()[0].name

def classify(review):
    input_ids = token(review)['input_ids'][:512]
    logits = inf_session.run([output_name],{input_name: [input_ids]})[0]
    logits = torch.FloatTensor(logits)
    probs = torch.sigmoid(logits)[0]
    return dict(zip(types,map(float,probs)))

label = gr.outputs.Label(num_top_classes=2)
iface = gr.Interface(fn=classify,inputs='text',outputs = label)
iface.launch(inline=False)