explain.py

'''
MIT License

Copyright (c) 2023 Ulster University (https://www.ulster.ac.uk).
Project: Harmony (https://harmonydata.ac.uk)
Maintainer: Thomas Wood (https://fastdatascience.com)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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'''

# TW: I cannot get the explain method to work at present due to Sklearn update breaking backward compatibility
# ImportError: cannot import name 'if_delegate_has_method' from 'sklearn.utils.metaestimators'
# Need to try older version of CRF Suite

import eli5
import pickle as pkl
import re
import sys

from feature_extraction import convert_text_to_features

with open("20240719_pdf_question_extraction_sklearn_crf_model.pkl", "rb") as f:
    crf_text_model = pkl.load(f)

eli5.show_weights(crf_text_model, top=30)