APP: init

.gitignore

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+.vscode/
+*venv/

app.py

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+import gradio as gr
+from transformers import AutoModelForSequenceClassification
+from transformers import TFAutoModelForSequenceClassification
+from transformers import AutoTokenizer, AutoConfig
+import numpy as np
+from scipy.special import softmax
+
+# Setup
+model_path = f"GhylB/Sentiment_Analysis_DistilBERT"
+
+tokenizer = AutoTokenizer.from_pretrained(model_path)
+config = AutoConfig.from_pretrained(model_path)
+model = AutoModelForSequenceClassification.from_pretrained(model_path)
+
+# Functions
+
+# Preprocess text (username and link placeholders)
+
+
+def preprocess(text):
+    new_text = []
+    for t in text.split(" "):
+        t = '@user' if t.startswith('@') and len(t) > 1 else t
+        t = 'http' if t.startswith('http') else t
+        new_text.append(t)
+    return " ".join(new_text)
+
+
+def sentiment_analysis(text):
+    text = preprocess(text)
+
+    # PyTorch-based models
+    encoded_input = tokenizer(text, return_tensors='pt')
+    output = model(**encoded_input)
+    scores_ = output[0][0].detach().numpy()
+    scores_ = softmax(scores_)
+
+    # Format output dict of scores
+    labels = ['Negative', 'Neutral', 'Positive']
+    scores = {l: float(s) for (l, s) in zip(labels, scores_)}
+
+    return scores
+
+
+demo = gr.Interface(
+    fn=sentiment_analysis,
+    inputs=gr.Textbox(placeholder="Copy and paste/Write a tweet here..."),
+    outputs="text",
+    interpretation="default",
+    examples=[["What's up with the vaccine"],
+              ["Covid cases are increasing fast!"],
+              ["Covid has been invented by Mavis"],
+              ["I'm going to party this weekend"],
+              ["Covid is hoax"]],
+    title="Tutorial : Sentiment Analysis App",
+    description="This Application assesses if a twitter post relating to vaccinations is positive, neutral, or negative.", )
+
+if __name__ == "__main__":
+    demo.launch()

requirements.txt

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+transformers==4.28.1
+gradio==3.28.0
+scikit-learn==1.2.2
+scipy==1.10.1
+torch
+black