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app.py
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from transformers import AutoTokenizer, AutoModel
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import pandas as pd
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import numpy as np
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import random
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import torch
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import os
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import gradio as gr
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# Model
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auth_token = os.environ.get("TOKEN_FROM_SECRET")
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checkpoint = 'srota/job-bert-mini'
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model = AutoModel.from_pretrained(checkpoint, token=auth_token)
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tokenizer = AutoTokenizer.from_pretrained(checkpoint, token=auth_token)
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# Data
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titles = pd.read_csv('inventory.csv', usecols=['title'])['title'].tolist()
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descriptions = pd.read_csv('inventory.csv', usecols=['description'])['description'].tolist()
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with open('inventory.npy', 'rb') as f:
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embeddings = np.load(f)
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# Inference
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def inference(query, top_k=5):
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with torch.no_grad():
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inputs = tokenizer([query], padding=True, truncation=True, max_length=512, return_tensors='pt')
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query_embedding = model(**inputs)['last_hidden_state'][:,0,:].detach().numpy()
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cosines = np.dot(query_embedding, embeddings.T)[0]
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indexes = np.argsort(cosines)[-top_k:]
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return '\n\n'.join(['*' + t for i, t in enumerate(titles) if i in indexes])
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# Gradio
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examples = [['Data Scientist'], ['Warehouse Worker'], ['Gardener'], ['Part-Time Cleaner'], ['Math Teacher'], ['Registered Nurse'], ['Line Cook'],['Night Porter'],['Dietitian'],['Planned Surveyor'],['Driving Instructor'],['Senior It Engineer'],['Stores Person'],['Dental Hygienist'],['Event Manager'],['Welder'],['Underwriter'],['Frontend Developer'],['Paralegal'],['Copywriter'],['Community Nurse'],['Courier'],['Personal Trainer'],['Night Porter'],['Pharmacist'],['Carpenter']]
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demo = gr.Interface(
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fn=inference,
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title='Job Search',
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description='Simulate a semantic search for retrieving job titles that match the user query (the match is performed between the user query and 15K job descriptions)',
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inputs=gr.Textbox(lines=1, placeholder='', label="User keyword"),
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outputs=gr.Textbox(lines=10, label="Relevant jobs"),
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examples=random.sample(examples, 10)
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)
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demo.launch()
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