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import json
from typing import Dict, List
from pathlib import Path
import numpy as np
from datetime import datetime
from sentence_transformers import SentenceTransformer
from huggingface_hub import HfApi
import os
class VectorStore:
def __init__(self):
self.documents = []
self.metadata = [] # λ¬Έμ λ©νλ°μ΄ν° μ μ₯
self.model = SentenceTransformer('all-MiniLM-L6-v2')
self.hf_api = HfApi()
self.dataset_name = "bluewhale2025/parseai_202506" # Hugging Face dataset μ΄λ¦
# λ°μ΄ν°μ
μ΄ μμΌλ©΄ μμ±
try:
self.hf_api.create_repo(
repo_id=self.dataset_name,
repo_type="dataset",
private=True # κ°μΈ λ°μ΄ν°μ
μΌλ‘ μ€μ
)
print(f"λ°μ΄ν°μ
{self.dataset_name} μμ± μλ£")
except Exception as e:
print(f"λ°μ΄ν°μ
μμ± μ€ μ€λ₯ λ°μ: {str(e)}")
def add_document(self, text: str, metadata: Dict) -> None:
"""λ¬Έμλ₯Ό μ μ₯"""
try:
# λ¬Έμ μ μ₯
self.documents.append(text)
# λ©νλ°μ΄ν° μ μ₯
metadata["timestamp"] = str(datetime.now())
self.metadata.append(metadata)
# λ²‘ν° μμ±
vector = self.model.encode(text)
# λλ ν 리 μμ±
os.makedirs("vectors", exist_ok=True)
os.makedirs("metadata", exist_ok=True)
# νμΌ κ²½λ‘ μ€μ
doc_id = len(self.documents)
vector_path = f"vectors/{doc_id}.npy"
metadata_path = f"metadata/{doc_id}.json"
# μμ νμΌλ‘ μ μ₯
np.save(vector_path, vector)
with open(metadata_path, 'w', encoding='utf-8') as f:
json.dump(metadata, f)
# Hugging Faceμ μ
λ‘λ
self.hf_api.upload_file(
path_or_fileobj=vector_path,
path_in_repo=vector_path,
repo_id=self.dataset_name,
repo_type="dataset"
)
self.hf_api.upload_file(
path_or_fileobj=metadata_path,
path_in_repo=metadata_path,
repo_id=self.dataset_name,
repo_type="dataset"
)
# μμ νμΌ μμ
os.remove(vector_path)
os.remove(metadata_path)
except Exception as e:
raise Exception(f"λ¬Έμ μ μ₯ μ€ μ€λ₯ λ°μ: {str(e)}")
def search(self, query: str, top_k: int = 5) -> List[Dict]:
"""ν€μλ κ²μ"""
try:
# 쿼리 λ²‘ν° μμ±
query_vector = self.model.encode(query)
# Hugging Faceμμ λͺ¨λ λ²‘ν° λ‘λ
vectors = []
metadata = []
# λͺ¨λ λ²‘ν° νμΌ λ‘λ
files = self.hf_api.list_repo_files(
repo_id=self.dataset_name,
repo_type="dataset"
)
# νμΌ μ λ ¬ (1λΆν° μμ)
vector_files = sorted([f for f in files if f.startswith("vectors/")])
metadata_files = sorted([f for f in files if f.startswith("metadata/")])
if not vector_files or not metadata_files:
return []
# νμΌ λ‘λ
for vector_file, metadata_file in zip(vector_files, metadata_files):
vector = np.load(self.hf_api.download_file(
repo_id=self.dataset_name,
filename=vector_file,
repo_type="dataset"
))
vectors.append(vector)
meta = json.load(self.hf_api.download_file(
repo_id=self.dataset_name,
filename=metadata_file,
repo_type="dataset"
))
metadata.append(meta)
# μ μ¬λ κ³μ°
similarities = cosine_similarity(vectors, [query_vector]).flatten()
# μ μ¬λ κΈ°λ° μ λ ¬
sorted_idx = np.argsort(similarities)[::-1][:top_k]
# κ²°κ³Ό μμ±
results = []
for idx in sorted_idx:
results.append({
"filename": metadata[idx]["filename"],
"total_pages": metadata[idx]["total_pages"],
"summary": metadata[idx]["summary"],
"timestamp": metadata[idx]["timestamp"],
"similarity": float(similarities[idx])
})
return results
except Exception as e:
raise Exception(f"κ²μ μ€ μ€λ₯ λ°μ: {str(e)}")
def _save_metadata(self) -> None:
"""λ©νλ°μ΄ν° μ μ₯"""
try:
Path(self.metadata_path).parent.mkdir(parents=True, exist_ok=True)
with open(self.metadata_path, 'w', encoding='utf-8') as f:
json.dump({
"documents": self.documents,
"metadata": self.metadata
}, f, ensure_ascii=False, indent=2)
except Exception as e:
raise Exception(f"λ©νλ°μ΄ν° μ μ₯ μ€ μ€λ₯ λ°μ: {str(e)}")
def _load_metadata(self):
"""λ©νλ°μ΄ν° λ‘λ"""
try:
if Path(self.metadata_path).exists():
with open(self.metadata_path, 'r', encoding='utf-8') as f:
data = json.load(f)
self.documents = data["documents"]
self.metadata = data["metadata"]
except Exception as e:
raise Exception(f"λ©νλ°μ΄ν° λ‘λ μ€ μ€λ₯ λ°μ: {str(e)}")
def load(self) -> None:
"""μ μ₯λ λ©νλ°μ΄ν° λΆλ¬μ€κΈ°"""
self._load_metadata()
# μ±κΈν€ μΈμ€ν΄μ€ μμ±
vector_store = VectorStore()
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