import pandas as pd  
from sklearn.model_selection import train_test_split
from sklearn.feature_extraction.text import CountVectorizer
from sklearn.naive_bayes import MultinomialNB
import streamlit as st  

data = pd.read_csv('C:/Users/HP/Desktop/OIB-SIP/emailspam/dataset-mail/spam.csv', encoding='latin-1')

print("Original Shape:", data.shape)

Original Shape: (5572, 5)

print(data.head())

     v1                                                 v2 Unnamed: 2  \
0   ham  Go until jurong point, crazy.. Available only ...        NaN   
1   ham                      Ok lar... Joking wif u oni...        NaN   
2  spam  Free entry in 2 a wkly comp to win FA Cup fina...        NaN   
3   ham  U dun say so early hor... U c already then say...        NaN   
4   ham  Nah I don't think he goes to usf, he lives aro...        NaN

  Unnamed: 3 Unnamed: 4  
0        NaN        NaN  
1        NaN        NaN  
2        NaN        NaN  
3        NaN        NaN  
4        NaN        NaN

data = data[['v1', 'v2']]

data.drop_duplicates(inplace=True)

data.dropna(inplace=True)

print("\nCleaned Shape:", data.shape)

Cleaned Shape: (5169, 2)

data['v1'] = data['v1'].replace(['ham', 'spam'], ['Not Spam', 'Spam'])

data.rename(columns={'v1': 'Category', 'v2': 'Message'}, inplace=True)

print("\nLabel Distribution:\n", data['Category'].value_counts())

Label Distribution:
 Category
Not Spam    4516
Spam         653
Name: count, dtype: int64

mess = data['Message']
cat = data['Category']

mess_train, mess_test, cat_train, cat_test = train_test_split(mess, cat, test_size=0.2, random_state=0, stratify=cat)

cv = CountVectorizer(stop_words='english')

features_train = cv.fit_transform(mess_train)
features_test = cv.transform(mess_test)

model = MultinomialNB()
model.fit(features_train, cat_train)

print("Accuracy:", model.score(features_test, cat_test))

Accuracy: 0.9825918762088974

def predict(message):
  message = cv.transform([message]).toarray()
  result = model.predict(message)
  return result

st.header("Email Spam Detector")

2025-06-30 02:04:29.811 WARNING streamlit.runtime.scriptrunner_utils.script_run_context: Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.274 
  Warning: to view this Streamlit app on a browser, run it with the following
  command:

    streamlit run C:\Users\HP\miniconda3\envs\py312\Lib\site-packages\ipykernel_launcher.py [ARGUMENTS]
2025-06-30 02:04:30.276 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.277 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.





DeltaGenerator()

output = predict("WINNER!! This is the secret code to unlock the money: C3421.")
print(output)

['Spam']

input_message=st.text_input("Enter a message")

2025-06-30 02:04:30.306 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.310 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.311 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.314 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.317 Session state does not function when running a script without `streamlit run`
2025-06-30 02:04:30.318 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.320 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.321 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.

if st.button('Go'):
    output=predict(input_message)
    st.text(output)
else:
    pass

2025-06-30 02:04:30.333 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.335 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.335 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.336 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.337 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.
2025-06-30 02:04:30.339 Thread 'MainThread': missing ScriptRunContext! This warning can be ignored when running in bare mode.