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Update app.py
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app.py
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from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
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import torch
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import gradio as gr
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MODEL_NAME = "facebook/nllb-200-3.3B"
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# Chargement du modèle et du tokenizer
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tokenizer = AutoTokenizer.from_pretrained(MODEL_NAME)
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model = AutoModelForSeq2SeqLM.from_pretrained(MODEL_NAME)
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model.to(device)
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#
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}
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if not text.strip():
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return ""
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)
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# Décodage
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translation = tokenizer.batch_decode(generated_tokens, skip_special_tokens=True)[0]
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return translation.strip()
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# === Interface Gradio ===
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with gr.Blocks() as demo:
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gr.Markdown("## 🌍 French ↔ Ewe Translator (facebook/nllb-200-3.3B)")
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with gr.Row():
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)
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translate_btn = gr.Button("🔁 Traduire")
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)
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demo.launch()
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import torch
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from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
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import gradio as gr
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# --------------------------------------------------
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# Chargement du modèle NLLB-200-3.3B
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# --------------------------------------------------
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MODEL_NAME = "facebook/nllb-200-3.3B"
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print("🚀 Chargement du modèle :", MODEL_NAME)
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tokenizer = AutoTokenizer.from_pretrained(MODEL_NAME, src_lang="fra_Latn")
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model = AutoModelForSeq2SeqLM.from_pretrained(MODEL_NAME)
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device = "cuda" if torch.cuda.is_available() else "cpu"
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model.to(device)
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# --------------------------------------------------
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# Langues supportées (tu peux en ajouter d’autres)
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# --------------------------------------------------
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LANGUAGES = {
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"Français": "fra_Latn",
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"Anglais": "eng_Latn",
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"Ewe": "ewe_Latn",
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"Fon": "fon_Latn",
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"Espagnol": "spa_Latn",
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"Allemand": "deu_Latn",
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"Swahili": "swh_Latn",
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"Lingala": "lin_Latn",
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"Portugais": "por_Latn"
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}
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# --------------------------------------------------
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# Fonction de traduction
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# --------------------------------------------------
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def translate(text, src_lang, tgt_lang):
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if not text.strip():
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return "⚠️ Veuillez entrer un texte à traduire."
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try:
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tokenizer.src_lang = LANGUAGES[src_lang]
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inputs = tokenizer(text, return_tensors="pt").to(device)
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forced_bos_token_id = tokenizer.lang_code_to_id[LANGUAGES[tgt_lang]]
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generated_tokens = model.generate(
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**inputs,
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forced_bos_token_id=forced_bos_token_id,
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max_length=512,
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num_beams=4,
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early_stopping=True
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)
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translation = tokenizer.decode(generated_tokens[0], skip_special_tokens=True)
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return translation
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except Exception as e:
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return f"❌ Erreur : {str(e)}"
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# --------------------------------------------------
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# Interface Gradio (version stylée pour Hugging Face)
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# --------------------------------------------------
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with gr.Blocks(title="🌍 NLLB-200 Traduction Multilingue") as demo:
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gr.Markdown(
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"""
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<div style="text-align: center;">
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<h1>🌐 Traducteur IA Multilingue</h1>
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<p style="font-size: 18px;">
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Propulsé par <b>Meta NLLB-200 (3.3B)</b> — Traduction de plus de <b>200 langues</b>,
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dont <b>l’Ewe</b>, <b>le Fon</b>, et plusieurs langues africaines 🌍
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</p>
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</div>
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"""
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with gr.Row():
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src_lang = gr.Dropdown(
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choices=list(LANGUAGES.keys()),
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value="Français",
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label="Langue source 🌍"
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)
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tgt_lang = gr.Dropdown(
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choices=list(LANGUAGES.keys()),
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value="Ewe",
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label="Langue cible 🌍"
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)
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with gr.Row():
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text_input = gr.Textbox(
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placeholder="Entre ton texte ici...",
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lines=6,
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label="Texte à traduire"
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)
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text_output = gr.Textbox(
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placeholder="Résultat de la traduction...",
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lines=6,
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label="Traduction"
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)
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translate_btn = gr.Button("🔁 Traduire")
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translate_btn.click(translate, [text_input, src_lang, tgt_lang], text_output)
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gr.Markdown(
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"""
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---
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<div style="text-align: center; font-size: 14px;">
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🧠 Propulsé par <a href="https://huggingface.co/facebook/nllb-200-3.3B" target="_blank">Meta NLLB-200 (3.3B)</a><br>
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Créé avec ❤️ par <b>Joël Elisée Adzonya</b>
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</div>
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"""
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)
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demo.launch()
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