Create app.py

app.py

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+import nltk
+nltk.download('punkt')
+nltk.download('stopwords')
+
+import streamlit as st
+import pickle 
+import string
+from nltk.corpus import stopwords
+from nltk.stem.porter import PorterStemmer
+
+ps = PorterStemmer()
+
+
+def transform_text(text):
+    text = text.lower()
+    text = nltk.word_tokenize(text)
+
+    y = []
+    for i in text:
+        if i.isalnum():
+            y.append(i)
+
+    text = y[:]
+    y.clear()
+
+    for i in text:
+        if i not in stopwords.words('english') and i not in string.punctuation:
+            y.append(i)
+
+    text = y[:]
+    y.clear()
+
+    for i in text:
+        y.append(ps.stem(i))
+
+    return " ".join(y)
+
+
+tk = pickle.load(open("vectorizer.pkl", 'rb'))
+model = pickle.load(open("model.pkl", 'rb'))
+
+st.title("SMS Spam Detection Model")
+st.write("*Made with ❤️‍🔥 by Shrudex👨🏻‍💻*")
+    
+
+input_sms = st.text_input("Enter the SMS")
+
+if st.button('Predict'):
+
+    # 1. preprocess
+    transformed_sms = transform_text(input_sms)
+    # 2. vectorize
+    vector_input = tk.transform([transformed_sms])
+    # 3. predict
+    result = model.predict(vector_input)[0]
+    # 4. Display
+    if result == 1:
+        st.header("Spam")
+    else:
+        st.header("Not Spam")