app.py

app.py

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+# Import the required Libraries
+import gradio as gr
+import numpy as np
+import pandas as pd
+import pickle
+import transformers
+from transformers import AutoTokenizer 
+from transformers import AutoConfig
+from transformers import AutoModelForSequenceClassification
+from transformers import TFAutoModelForSequenceClassification
+from transformers import pipeline
+from scipy.special import softmax
+
+# Requirements
+model_path ="HOLYBOY/Sentiment_Analysis"
+tokenizer = AutoTokenizer.from_pretrained(model_path)
+config = AutoConfig.from_pretrained(model_path)
+model = AutoModelForSequenceClassification.from_pretrained(model_path)
+
+# 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)
+
+# ---- Function to process the input and return prediction
+def sentiment_analysis(text):
+    text = preprocess(text)
+
+    encoded_input = tokenizer(text, return_tensors = "pt") # for PyTorch-based models
+    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
+
+# ---- Gradio app interface
+app = gr.Interface(fn = sentiment_analysis,
+                   inputs = gr.Textbox("Input your tweet to classify or use the example provided below..."),
+                   outputs = "label",
+                   title = "Public Perception of COVID-19 Vaccines",
+                   description  = "This app analyzes Perception of text based on tweets about COVID-19 Vaccines using a fine-tuned distilBERT model",
+                   interpretation = "default",
+                   examples = [["The idea of introducing the vaccine is good"],
+                               ["I am definately not taking the jab"], 
+                               ["The vaccine is bad and can cause serious health implications"], 
+                               ["I dont have any opinion "]]
+                   )
+
+app.launch(share =True)