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Delete train_spam_model.py
Browse files- train_spam_model.py +0 -66
train_spam_model.py
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# -----------------------------
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# app.py pour déploiement Spam Detector
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# -----------------------------
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import gradio as gr
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import joblib
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import re
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from nltk.corpus import stopwords
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from nltk.stem import PorterStemmer
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import nltk
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nltk.download('stopwords')
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# -----------------------------
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# 1️⃣ Prétraitement d'un message
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# -----------------------------
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stop_words = set(stopwords.words('english'))
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stemmer = PorterStemmer()
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def preprocess_message(text):
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"""Prétraite un message pour qu'il corresponde au format du modèle."""
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if not text:
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return ""
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text = text.lower()
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text = re.sub(r'http\S+|www\S+', '', text)
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text = re.sub(r'\S+@\S+', '', text)
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text = re.sub(r'\+?\d[\d -]{8,}\d', '', text)
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text = re.sub(r'\d+', '', text)
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text = re.sub(r'[^a-z\s!/+>]', '', text) # garder ponctuation utile pour spam
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words = [stemmer.stem(word) for word in text.split() if word not in stop_words]
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return " ".join(words)
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# -----------------------------
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# 2️⃣ Charger modèle et TF-IDF
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# -----------------------------
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model = joblib.load("spam_model.pkl")
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vectorizer = joblib.load("tfidf_vectorizer.pkl")
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# -----------------------------
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# 3️⃣ Fonction de prédiction
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# -----------------------------
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def predict_message(message):
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cleaned = preprocess_message(message)
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X = vectorizer.transform([cleaned])
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prediction = model.predict(X)[0]
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probability = model.predict_proba(X)[0][1] if hasattr(model, 'predict_proba') else None
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return {
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"Message": message,
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"Prediction": prediction,
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"Spam Probability": round(float(probability), 4) if probability is not None else None
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}
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# -----------------------------
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# 4️⃣ Interface Gradio
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# -----------------------------
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iface = gr.Interface(
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fn=predict_message,
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inputs=gr.Textbox(lines=3, placeholder="Entrez votre message..."),
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outputs="json",
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title="📩 Spam Detector",
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description="Entrez un message pour savoir s'il s'agit de spam ou non."
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)
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# -----------------------------
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# 5️⃣ Lancer l'application
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# -----------------------------
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if __name__ == "__main__":
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iface.launch()
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