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Update rag_utils.py
Browse files- rag_utils.py +13 -15
rag_utils.py
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@@ -1,10 +1,9 @@
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import faiss
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import pickle
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import numpy as np
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import torch
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import re
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from sentence_transformers import SentenceTransformer
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from
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def load_faiss_index(index_path="faiss_index/faiss_index.faiss", doc_path="faiss_index/documents.pkl"):
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index = faiss.read_index(index_path)
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@@ -21,28 +20,27 @@ def query_index(question, index, documents, model, k=3):
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return [documents[i] for i in indices[0]]
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def nettoyer_context(context):
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context = re.sub(r"\[\'(.*?)\'\]", r"\1", context)
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context = context.replace("None", "")
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return context
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def generate_answer(question, context):
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tokenizer.pad_token = tokenizer.eos_token
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model = AutoModelForCausalLM.from_pretrained(model_id)
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prompt = f"""Voici des informations sur des établissements et formations en lien avec les métiers que tu recherches :
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{context}
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Formule ta réponse comme si tu étais un conseiller d’orientation bienveillant, qui s’adresse à un·e élève.
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Rédige de manière fluide et naturelle, en expliquant les formations ou débouchés possibles, sans utiliser de listes brutes.
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Question : {question}
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Réponse :
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"""
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import faiss
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import pickle
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import numpy as np
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import re
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from sentence_transformers import SentenceTransformer
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from llama_cpp import Llama
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def load_faiss_index(index_path="faiss_index/faiss_index.faiss", doc_path="faiss_index/documents.pkl"):
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index = faiss.read_index(index_path)
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return [documents[i] for i in indices[0]]
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def nettoyer_context(context):
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context = re.sub(r"\[\'(.*?)\'\]", r"\1", context)
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context = context.replace("None", "")
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return context
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def generate_answer(question, context):
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llm = Llama(
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model_path="./mistral-7b-instruct-v0.1.Q4_K_M.gguf",
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n_ctx=2048,
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n_threads=6,
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verbose=False
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)
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prompt = f""":
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{context}
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Question : {question}
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Réponse :
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"""
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output = llm(prompt, max_tokens=256, stop=["</s>"])
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return output["choices"][0]["text"].strip()
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