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Create app1.py
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app1.py
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| 1 |
+
import gradio as gr
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| 2 |
+
import transformers
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| 3 |
+
import torch
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| 4 |
+
from transformers import pipeline
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| 5 |
+
from datetime import datetime
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| 6 |
+
|
| 7 |
+
# Configuration des modèles
|
| 8 |
+
def load_models():
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| 9 |
+
# Modèle médical
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| 10 |
+
medical_pipe = transformers.pipeline(
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| 11 |
+
"text-generation",
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| 12 |
+
model="ContactDoctor/Bio-Medical-Llama-3-2-1B-CoT-012025",
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| 13 |
+
torch_dtype=torch.bfloat16,
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| 14 |
+
device_map="auto",
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| 15 |
+
)
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| 16 |
+
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| 17 |
+
# Modèle de traduction
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| 18 |
+
translator = pipeline("translation", model="facebook/nllb-200-distilled-600M")
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| 19 |
+
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| 20 |
+
return medical_pipe, translator
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| 21 |
+
|
| 22 |
+
medical_pipe, translator = load_models()
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| 23 |
+
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| 24 |
+
# Message système pour guider le chatbot
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| 25 |
+
system_message = {
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| 26 |
+
"role": "system",
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| 27 |
+
"content": (
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| 28 |
+
"You are a helpful, respectful, and knowledgeable medical assistant developed by the AI team at AfriAI Solutions, Senegal. "
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| 29 |
+
"Provide brief, clear definitions when answering medical questions. After giving a concise response, ask the user if they would like more information about specific aspects such as symptoms, causes, or treatments. "
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| 30 |
+
"If the user declines further information, respond briefly and ask if there's anything else they need help with."
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| 31 |
+
"Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. "
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| 32 |
+
"Ensure your responses are socially unbiased and positive. If a question does not make sense, explain why instead of providing incorrect information. "
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| 33 |
+
"If you don't know the answer to a question, avoid sharing false information. "
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| 34 |
+
"Encourage users to consult healthcare professionals for accurate diagnoses and personalized advice."
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| 35 |
+
),
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| 36 |
+
}
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| 37 |
+
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| 38 |
+
max_history = 10 # Limite de l'historique de conversation
|
| 39 |
+
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| 40 |
+
# Traduction français -> anglais
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| 41 |
+
def translate_fr_to_en(text):
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| 42 |
+
translated = translator(text, src_lang="fra_Latn", tgt_lang="eng_Latn")
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| 43 |
+
return translated[0]['translation_text']
|
| 44 |
+
|
| 45 |
+
# Traduction anglais -> français
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| 46 |
+
def translate_en_to_fr(text):
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| 47 |
+
translated = translator(text, src_lang="eng_Latn", tgt_lang="fra_Latn")
|
| 48 |
+
return translated[0]['translation_text']
|
| 49 |
+
|
| 50 |
+
# Gestion des salutations et phrases de fermeture
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| 51 |
+
def handle_special_phrases(user_input):
|
| 52 |
+
user_input_lower = user_input.lower()
|
| 53 |
+
|
| 54 |
+
# Salutations
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| 55 |
+
greetings = ["bonjour", "salut", "hello", "hi", "coucou", "bonsoir"]
|
| 56 |
+
if any(greet in user_input_lower for greet in greetings):
|
| 57 |
+
now = datetime.now()
|
| 58 |
+
if 5 <= now.hour < 12:
|
| 59 |
+
return "Bonjour ! Je suis l'assistant médical AfriAI. Comment puis-je vous aider aujourd'hui ?"
|
| 60 |
+
elif 12 <= now.hour < 18:
|
| 61 |
+
return "Bon après-midi ! Je suis l'assistant médical AfriAI. En quoi puis-je vous aider ?"
|
| 62 |
+
else:
|
| 63 |
+
return "Bonsoir ! Je suis l'assistant médical AfriAI. Comment puis-je vous aider ce soir ?"
|
| 64 |
+
|
| 65 |
+
# Remerciements
|
| 66 |
+
thanks = ["merci", "thank you", "thanks", "je vous remercie"]
|
| 67 |
+
if any(thank in user_input_lower for thank in thanks):
|
| 68 |
+
return "Je vous en prie ! N'hésitez pas si vous avez d'autres questions médicales."
|
| 69 |
+
|
| 70 |
+
# Fermeture
|
| 71 |
+
goodbyes = ["au revoir", "bye", "goodbye", "à plus", "à bientôt"]
|
| 72 |
+
if any(goodbye in user_input_lower for goodbye in goodbyes):
|
| 73 |
+
return "Au revoir ! Prenez soin de vous. N'hésitez pas à revenir si vous avez d'autres questions."
|
| 74 |
+
|
| 75 |
+
return None
|
| 76 |
+
|
| 77 |
+
# Génération de réponse médicale
|
| 78 |
+
def generate_medical_response(messages):
|
| 79 |
+
# Création du prompt
|
| 80 |
+
prompt = medical_pipe.tokenizer.apply_chat_template(
|
| 81 |
+
messages, tokenize=False, add_generation_prompt=False
|
| 82 |
+
)
|
| 83 |
+
|
| 84 |
+
# Tokens d'arrêt
|
| 85 |
+
stop_tokens = [
|
| 86 |
+
medical_pipe.tokenizer.eos_token_id,
|
| 87 |
+
medical_pipe.tokenizer.convert_tokens_to_ids("<|eot_id|>"),
|
| 88 |
+
]
|
| 89 |
+
|
| 90 |
+
# Génération de la réponse
|
| 91 |
+
outputs = medical_pipe(
|
| 92 |
+
prompt,
|
| 93 |
+
max_new_tokens=512,
|
| 94 |
+
eos_token_id=stop_tokens,
|
| 95 |
+
do_sample=True,
|
| 96 |
+
temperature=0.4,
|
| 97 |
+
top_k=150,
|
| 98 |
+
top_p=0.75,
|
| 99 |
+
)
|
| 100 |
+
|
| 101 |
+
return outputs[0]["generated_text"][len(prompt):].strip()
|
| 102 |
+
|
| 103 |
+
# Fonction principale du chatbot
|
| 104 |
+
def chat_with_medical_bot(user_input, chat_history):
|
| 105 |
+
# Vérifier les phrases spéciales (salutations, remerciements, etc.)
|
| 106 |
+
special_response = handle_special_phrases(user_input)
|
| 107 |
+
if special_response:
|
| 108 |
+
chat_history.append((user_input, special_response))
|
| 109 |
+
return "", chat_history
|
| 110 |
+
|
| 111 |
+
# Traduire l'entrée utilisateur en anglais
|
| 112 |
+
try:
|
| 113 |
+
user_input_en = translate_fr_to_en(user_input)
|
| 114 |
+
except:
|
| 115 |
+
user_input_en = user_input # En cas d'échec, utiliser l'original
|
| 116 |
+
|
| 117 |
+
# Initialiser l'historique des messages si vide
|
| 118 |
+
if not hasattr(chat_with_medical_bot, "messages"):
|
| 119 |
+
chat_with_medical_bot.messages = [system_message]
|
| 120 |
+
|
| 121 |
+
# Ajouter le message utilisateur
|
| 122 |
+
chat_with_medical_bot.messages.append({"role": "user", "content": user_input_en})
|
| 123 |
+
|
| 124 |
+
# Limiter l'historique
|
| 125 |
+
if len(chat_with_medical_bot.messages) > max_history * 2:
|
| 126 |
+
chat_with_medical_bot.messages = [system_message] + chat_with_medical_bot.messages[-max_history * 2:]
|
| 127 |
+
|
| 128 |
+
# Générer la réponse médicale
|
| 129 |
+
try:
|
| 130 |
+
response_en = generate_medical_response(chat_with_medical_bot.messages)
|
| 131 |
+
|
| 132 |
+
# Traduire la réponse en français
|
| 133 |
+
try:
|
| 134 |
+
response_fr = translate_en_to_fr(response_en)
|
| 135 |
+
except:
|
| 136 |
+
response_fr = response_en # En cas d'échec, utiliser l'original
|
| 137 |
+
except Exception as e:
|
| 138 |
+
response_fr = f"Désolé, une erreur s'est produite : {str(e)}"
|
| 139 |
+
|
| 140 |
+
# Ajouter la réponse à l'historique des messages
|
| 141 |
+
chat_with_medical_bot.messages.append({"role": "assistant", "content": response_en})
|
| 142 |
+
|
| 143 |
+
# Ajouter à l'historique de chat Gradio
|
| 144 |
+
chat_history.append((user_input, response_fr))
|
| 145 |
+
|
| 146 |
+
return "", chat_history
|
| 147 |
+
|
| 148 |
+
# CSS personnalisé pour le thème AfriAI Solutions
|
| 149 |
+
custom_css = """
|
| 150 |
+
:root {
|
| 151 |
+
--primary-color: #2C5F2D;
|
| 152 |
+
--secondary-color: #97BC62;
|
| 153 |
+
--accent-color: #E0E0E0;
|
| 154 |
+
--text-color: #333333;
|
| 155 |
+
}
|
| 156 |
+
|
| 157 |
+
.gradio-container {
|
| 158 |
+
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
|
| 159 |
+
}
|
| 160 |
+
|
| 161 |
+
#chatbot {
|
| 162 |
+
background-color: white;
|
| 163 |
+
border-radius: 10px;
|
| 164 |
+
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
|
| 165 |
+
height: 500px;
|
| 166 |
+
}
|
| 167 |
+
|
| 168 |
+
.user, .bot {
|
| 169 |
+
padding: 12px 16px;
|
| 170 |
+
border-radius: 18px;
|
| 171 |
+
margin: 8px 0;
|
| 172 |
+
line-height: 1.4;
|
| 173 |
+
max-width: 80%;
|
| 174 |
+
}
|
| 175 |
+
|
| 176 |
+
.user {
|
| 177 |
+
background-color: var(--secondary-color);
|
| 178 |
+
color: white;
|
| 179 |
+
margin-left: auto;
|
| 180 |
+
border-bottom-right-radius: 4px;
|
| 181 |
+
}
|
| 182 |
+
|
| 183 |
+
.bot {
|
| 184 |
+
background-color: var(--accent-color);
|
| 185 |
+
color: var(--text-color);
|
| 186 |
+
margin-right: auto;
|
| 187 |
+
border-bottom-left-radius: 4px;
|
| 188 |
+
}
|
| 189 |
+
|
| 190 |
+
#header {
|
| 191 |
+
background-color: var(--primary-color);
|
| 192 |
+
color: white;
|
| 193 |
+
padding: 20px;
|
| 194 |
+
border-radius: 10px 10px 0 0;
|
| 195 |
+
text-align: center;
|
| 196 |
+
}
|
| 197 |
+
|
| 198 |
+
#header img {
|
| 199 |
+
max-width: 150px;
|
| 200 |
+
margin-bottom: 10px;
|
| 201 |
+
}
|
| 202 |
+
|
| 203 |
+
#header h1 {
|
| 204 |
+
margin: 0;
|
| 205 |
+
font-size: 24px;
|
| 206 |
+
}
|
| 207 |
+
|
| 208 |
+
#header p {
|
| 209 |
+
margin: 5px 0 0;
|
| 210 |
+
font-size: 16px;
|
| 211 |
+
opacity: 0.9;
|
| 212 |
+
}
|
| 213 |
+
|
| 214 |
+
footer {
|
| 215 |
+
text-align: center;
|
| 216 |
+
padding: 10px;
|
| 217 |
+
font-size: 12px;
|
| 218 |
+
color: var(--text-color);
|
| 219 |
+
opacity: 0.7;
|
| 220 |
+
}
|
| 221 |
+
|
| 222 |
+
#component-0 {
|
| 223 |
+
border-radius: 0 0 10px 10px !important;
|
| 224 |
+
}
|
| 225 |
+
|
| 226 |
+
#component-1 {
|
| 227 |
+
border-radius: 0 0 10px 10px !important;
|
| 228 |
+
}
|
| 229 |
+
"""
|
| 230 |
+
|
| 231 |
+
# Interface Gradio
|
| 232 |
+
with gr.Blocks(css=custom_css, theme=gr.themes.Default()) as demo:
|
| 233 |
+
# En-tête avec logo et description
|
| 234 |
+
with gr.Column(elem_id="header"):
|
| 235 |
+
gr.Markdown("""
|
| 236 |
+
<div style="text-align: center;">
|
| 237 |
+
<img src="https://via.placeholder.com/150x50/2C5F2D/FFFFFF?text=AfriAI+Solutions" alt="AfriAI Solutions Logo">
|
| 238 |
+
<h1>Assistant Médical AfriAI</h1>
|
| 239 |
+
<p>Transformez vos questions médicales en solutions claires et précises</p>
|
| 240 |
+
</div>
|
| 241 |
+
""")
|
| 242 |
+
|
| 243 |
+
# Zone de chat
|
| 244 |
+
chatbot = gr.Chatbot(
|
| 245 |
+
label="Conversation",
|
| 246 |
+
elem_id="chatbot",
|
| 247 |
+
bubble_full_width=False,
|
| 248 |
+
avatar_images=(
|
| 249 |
+
"https://via.placeholder.com/40/97BC62/FFFFFF?text=VOUS",
|
| 250 |
+
"https://via.placeholder.com/40/2C5F2D/FFFFFF?text=AI"
|
| 251 |
+
)
|
| 252 |
+
)
|
| 253 |
+
|
| 254 |
+
# Zone de saisie
|
| 255 |
+
msg = gr.Textbox(
|
| 256 |
+
label="Posez votre question médicale en français",
|
| 257 |
+
placeholder="Bonjour, quels sont les symptômes du diabète ?",
|
| 258 |
+
container=False
|
| 259 |
+
)
|
| 260 |
+
|
| 261 |
+
# Boutons
|
| 262 |
+
with gr.Row():
|
| 263 |
+
clear = gr.ClearButton([msg, chatbot], value="Effacer la conversation")
|
| 264 |
+
submit = gr.Button("Envoyer", variant="primary")
|
| 265 |
+
|
| 266 |
+
# Événements
|
| 267 |
+
msg.submit(chat_with_medical_bot, [msg, chatbot], [msg, chatbot])
|
| 268 |
+
submit.click(chat_with_medical_bot, [msg, chatbot], [msg, chatbot])
|
| 269 |
+
|
| 270 |
+
# Exemples
|
| 271 |
+
gr.Examples(
|
| 272 |
+
examples=[
|
| 273 |
+
"Bonjour, quels sont les symptômes du diabète ?",
|
| 274 |
+
"Comment traiter une migraine ?",
|
| 275 |
+
"Expliquez-moi ce qu'est l'hypertension artérielle",
|
| 276 |
+
"Quelles sont les causes de la toux persistante ?"
|
| 277 |
+
],
|
| 278 |
+
inputs=msg,
|
| 279 |
+
label="Exemples de questions"
|
| 280 |
+
)
|
| 281 |
+
|
| 282 |
+
# Pied de page
|
| 283 |
+
gr.Markdown("""
|
| 284 |
+
<div style="text-align: center; font-size: 12px; color: #666; margin-top: 20px;">
|
| 285 |
+
<p>Cet assistant médical ne remplace pas un avis médical professionnel. Consultez toujours un médecin pour des problèmes de santé sérieux.</p>
|
| 286 |
+
<p>© 2024 AfriAI Solutions - Sénégal</p>
|
| 287 |
+
</div>
|
| 288 |
+
""", elem_id="footer")
|
| 289 |
+
|
| 290 |
+
# Démarrer l'application
|
| 291 |
+
if __name__ == "__main__":
|
| 292 |
+
demo.launch()
|