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Delete utils/target_classifier.py

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  1. utils/target_classifier.py +0 -89
utils/target_classifier.py DELETED
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- from typing import List, Tuple
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- from typing_extensions import Literal
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- import logging
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- import pandas as pd
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- from pandas import DataFrame, Series
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- from utils.config import getconfig
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- from utils.preprocessing import processingpipeline
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- import streamlit as st
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- from transformers import pipeline
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-
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- ## Labels dictionary ###
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- _lab_dict = {
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- 'NEGATIVE':'NO TARGET INFO',
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- 'TARGET':'TARGET',
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- }
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-
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- @st.cache_resource
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- def load_targetClassifier(config_file:str = None, classifier_name:str = None):
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- """
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- loads the document classifier using haystack, where the name/path of model
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- in HF-hub as string is used to fetch the model object.Either configfile or
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- model should be passed.
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- 1. https://docs.haystack.deepset.ai/reference/document-classifier-api
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- 2. https://docs.haystack.deepset.ai/docs/document_classifier
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- Params
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- --------
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- config_file: config file path from which to read the model name
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- classifier_name: if modelname is passed, it takes a priority if not \
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- found then will look for configfile, else raise error.
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- Return: document classifier model
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- """
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- if not classifier_name:
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- if not config_file:
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- logging.warning("Pass either model name or config file")
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- return
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- else:
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- config = getconfig(config_file)
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- classifier_name = config.get('target','MODEL')
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-
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- logging.info("Loading classifier")
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-
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- doc_classifier = pipeline("text-classification",
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- model=classifier_name,
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- top_k =1)
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-
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- return doc_classifier
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-
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-
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- @st.cache_data
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- def target_classification(haystack_doc:pd.DataFrame,
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- threshold:float = 0.5,
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- classifier_model:pipeline= None
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- )->Tuple[DataFrame,Series]:
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- """
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- Text-Classification on the list of texts provided. Classifier provides the
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- most appropriate label for each text. these labels are in terms of if text
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- belongs to which particular Sustainable Devleopment Goal (SDG).
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- Params
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- ---------
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- haystack_doc: List of haystack Documents. The output of Preprocessing Pipeline
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- contains the list of paragraphs in different format,here the list of
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- Haystack Documents is used.
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- threshold: threshold value for the model to keep the results from classifier
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- classifiermodel: you can pass the classifier model directly,which takes priority
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- however if not then looks for model in streamlit session.
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- In case of streamlit avoid passing the model directly.
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- Returns
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- ----------
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- df: Dataframe with two columns['SDG:int', 'text']
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- x: Series object with the unique SDG covered in the document uploaded and
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- the number of times it is covered/discussed/count_of_paragraphs.
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- """
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- logging.info("Working on Target Extraction")
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- if not classifier_model:
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- classifier_model = st.session_state['target_classifier']
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-
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- results = classifier_model(list(haystack_doc.text))
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- labels_= [(l[0]['label'],
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- l[0]['score']) for l in results]
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-
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-
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- df1 = DataFrame(labels_, columns=["Target Label","Relevancy"])
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- df = pd.concat([haystack_doc,df1],axis=1)
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-
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- df = df.sort_values(by="Relevancy", ascending=False).reset_index(drop=True)
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- df.index += 1
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- df['Label_def'] = df['Target Label'].apply(lambda i: _lab_dict[i])
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-
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- return df