Delete app.py
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app.py
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from statistics import mode
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from joblib import load
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from tqdm import tqdm
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import pandas as pd
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import gradio as gr
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import numpy as np
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import regex as re
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stopwords = load('stopwords.data')
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nlp = load('nlp.path')
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class Preprocessor:
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def __init__(self, stopwords=stopwords):
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self.vectorizer = load('vectorizer.model')
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self.stopwords = stopwords
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self.vectorizer_fitted = True
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def remove_urls(self, texts):
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print('Removing URLs...')
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pattern = re.compile('(\w+\.com ?/ ?.+)|(http\S+)')
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return [re.sub(pattern, '', text) for text in texts]
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def remove_double_space(self, texts):
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print('Removing double space...')
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pattern = re.compile(' +')
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return [re.sub(pattern, ' ', text) for text in texts]
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def remove_punctuation(self, texts):
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print('Removing Punctuation...')
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pattern = re.compile('[^a-z ]')
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return [re.sub(pattern, ' ', text) for text in texts]
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def remove_stopwords(self, texts):
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print('Removing stopwords...')
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return [[w for w in text.split(' ') if w not in self.stopwords] for text in tqdm(texts)]
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def remove_numbers(self, texts):
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print('Removing numbers...')
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return [' '.join([w for w in text if not w.isdigit()]) for text in tqdm(texts)]
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def remove_emojis(self, texts):
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print('Removing emojis...')
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pattern = re.compile("["
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u"\U0001F600-\U0001F64F" # emoticons
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u"\U0001F300-\U0001F5FF" # symbols & pictographs
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u"\U0001F680-\U0001F6FF" # transport & map symbols
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u"\U0001F1E0-\U0001F1FF" # flags (iOS)
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"]+", flags=re.UNICODE)
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return [re.sub(pattern, r'', text) for text in texts]
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def lemmatize(self, texts):
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print('Lemmatizing...')
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lemmatized_texts = []
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for text in tqdm(texts):
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doc = nlp(text)
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lemmatized_texts.append(' '.join([token.lemma_ for token in doc]))
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return lemmatized_texts
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def transform(self, X, y=None, mode='train'):
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X = X.copy()
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print('Removing Nans...')
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X = X[~X.isnull()]
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X = X[~X.duplicated()]
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if mode == 'train':
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self.train_idx = X.index
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else:
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self.test_idx = X.index
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print('Counting capitalized...')
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capitalized = [np.sum([t.isupper() for t in text.split()])
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for text in np.array(X.values)]
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print('Lowering...')
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X = [text.lower() for text in X]
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X = self.remove_urls(X)
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X = self.remove_punctuation(X)
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X = self.remove_double_space(X)
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X = self.remove_emojis(X)
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X = self.remove_stopwords(X)
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X = self.remove_numbers(X)
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X = self.lemmatize(X)
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if not self.vectorizer_fitted:
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self.vectorizer_fitted = True
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print('Fitting vectorizer...')
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self.vectorizer.fit(X)
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print('Vectorizing...')
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X = self.vectorizer.transform(X)
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return X
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def gettext(r):
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pred = mode(r)
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if pred == 0:
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text = 'Irrelevant'
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elif pred == 1:
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text = 'Negative'
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elif pred == 2:
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text = 'Neutral'
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else:
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text = 'Positive'
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return text
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def greet(text):
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df_new = pd.DataFrame([text])
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pr = Preprocessor()
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X_test = pr.transform(df_new[0])
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log_reg = load('log_reg.model')
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y_lr = log_reg.predict(X_test)
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tree = load('tree.model')
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y_tree = tree.predict(X_test)
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forest = load('forest.model')
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y_forest = forest.predict(X_test)
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r = [y_lr[0], y_tree[0], y_forest[0]]
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text = gettext(r)
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return text
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interface = gr.Interface(
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title = "😄 Twitter Sentiment Analysis 😡 - UMG",
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description = "<h3>The idea is to classify a text provided by the user according to the emotion contained in that text. "+
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"The possible outputs are the following: Irrelevant, Negative, Neutral, and Positive. </h3>"+
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"<b>Models:</b> Logistic Regression, Decision Trees and Random Forest"+
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"<br><b>Metrics:</b> Accuracy: 0.95, Precision: 0.953, Recall: 0.945, F1 Score: 0.948 <br> <br><b>Please provide a text example:</b>",
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article='Step-by-step on GitHub <a href="https://github.com/Adrian8aS/-Twitter-Sentiment-Analysis/blob/4558716d85e18bb18dde25f597f010af13a5deb5/Exam%20JAOS.ipynb"> notebook </a> <br> ~ José Adrián Ochoa Sánchez',
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allow_flagging = "never",
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fn = greet,
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inputs = [
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gr.Text(label="Write a tweet")],
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outputs = [
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gr.Text(label="Sentiment detected")],
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examples = [
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['I mentioned on Facebook that I was struggling for motivation to go for a run the other day, which has been translated by Tom’s great auntie as ‘Hayley can’t get out of bed’ and told to his grandma, who now thinks I’m a lazy, terrible person 🤣'],
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['BBC News - Amazon boss Jeff Bezos rejects claims company acted like a drug dealer bbc.co.uk/news/av/busine…'],
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['@Microsoft Why do I pay for WORD when it functions so poorly on my @SamsungUS Chromebook? 🙄'],
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['FUCKKKKKK I CANT WAIT']
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]
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)
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interface.launch(share = True)
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