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Update app.py
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app.py
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@@ -1,49 +1,30 @@
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import gradio as gr
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from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
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MODEL = "
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# Charger le tokenizer
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tokenizer = AutoTokenizer.from_pretrained(MODEL)
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# Charger le modèle en 8 bits pour accélérer
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model = AutoModelForCausalLM.from_pretrained(
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MODEL,
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device_map="auto",
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load_in_8bit=True # optimisation vitesse / mémoire
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)
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# Pipeline avec paramètres par défaut optimisés
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chatbot = pipeline(
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"text-generation",
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model=model,
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tokenizer=tokenizer,
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)
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# Prompt système
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system_prompt = "Tu es Aria, une IA bienveillante et polie qui répond de façon concise et claire."
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# Fonction de chat optimisée
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def chat(message, history=[]):
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context = "\n".join([f"Utilisateur: {m[0]}\nAria: {m[1]}" for m in history])
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prompt = f"{system_prompt}\n{context}\nUtilisateur: {message}\nAria:"
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resp = chatbot(
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prompt,
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max_new_tokens=60, # Limite pour réduire temps de calcul
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do_sample=True,
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temperature=0.7,
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top_p=0.9,
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repetition_penalty=1.1
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)[0]["generated_text"]
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reply = resp.split("Aria:")[-1].strip()
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history.append([message, reply])
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return history, history
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# Interface Gradio
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with gr.Blocks() as demo:
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chat_ui = gr.Chatbot()
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msg = gr.Textbox(placeholder="Écris un message...")
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import gradio as gr
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from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
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MODEL = "gpt2"
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tokenizer = AutoTokenizer.from_pretrained(MODEL)
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model = AutoModelForCausalLM.from_pretrained(MODEL)
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chatbot = pipeline(
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"text-generation",
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model=model,
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tokenizer=tokenizer,
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device=-1 # CPU
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)
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system_prompt = "Tu es Aria, une IA bienveillante et polie qui répond de façon concise et claire."
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def chat(message, history=[]):
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context = "\n".join([f"Utilisateur: {m[0]}\nAria: {m[1]}" for m in history])
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prompt = f"{system_prompt}\n{context}\nUtilisateur: {message}\nAria:"
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resp = chatbot(prompt, max_new_tokens=50, do_sample=True, temperature=0.7)[0]["generated_text"]
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reply = resp.split("Aria:")[-1].strip()
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history.append([message, reply])
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return history, history
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with gr.Blocks() as demo:
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chat_ui = gr.Chatbot()
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msg = gr.Textbox(placeholder="Écris un message...")
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