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Update app/database.py
Browse files- app/database.py +46 -42
app/database.py
CHANGED
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@@ -8,84 +8,88 @@ logger = logging.getLogger(__name__)
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class VectorDatabase:
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def __init__(self):
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def _initialize_index(self):
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"""Initialize or connect to Pinecone index"""
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try:
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#
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existing_indexes = self.pc.list_indexes()
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index_names = [idx.name for idx in existing_indexes]
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if self.index_name not in index_names:
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logger.info(f"Creating new index: {self.index_name}")
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self.pc.create_index(
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name=self.index_name,
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dimension=settings.PINECONE_DIMENSION,
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metric="cosine",
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spec=ServerlessSpec(
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cloud="aws",
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region=settings.PINECONE_ENVIRONMENT.split('-')[0] + "-" +
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settings.PINECONE_ENVIRONMENT.split('-')[1] + "-" +
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settings.PINECONE_ENVIRONMENT.split('-')[2]
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)
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)
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#
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self.index = self.pc.Index(self.index_name)
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logger.info(f"Connected to index: {self.index_name}")
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except Exception as e:
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logger.error(f"Error
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raise
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def upsert_vectors(self, vectors: List[tuple]):
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"""
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Upsert vectors
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"""
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try:
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self.index.upsert(vectors=vectors)
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logger.info(f"
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except Exception as e:
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logger.error(f"Error upserting vectors: {str(e)}")
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raise
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def query_vectors(self, query_vector: List[float], top_k: int = 5,
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"""Query similar vectors from Pinecone"""
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try:
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vector=query_vector,
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top_k=top_k,
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include_metadata=True,
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filter=filter_dict
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)
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return
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except Exception as e:
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logger.error(f"Error querying
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raise
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def delete_all(self):
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"""Delete all vectors
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try:
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self.index.delete(delete_all=True)
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logger.info("
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except Exception as e:
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logger.error(f"Error deleting vectors: {str(e)}")
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raise
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def get_stats(self):
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"""
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try:
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except Exception as e:
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logger.error(f"Error getting stats: {str(e)}")
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raise
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class VectorDatabase:
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def __init__(self):
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try:
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self.pc = Pinecone(api_key=settings.PINECONE_API_KEY)
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self.index_name = settings.PINECONE_INDEX_NAME
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self.index = None
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self._initialize_index()
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except Exception as e:
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logger.error(f"Error initializing Pinecone client: {str(e)}")
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raise
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def _initialize_index(self):
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"""Initialize or connect to Pinecone index"""
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try:
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# Get list of indexes
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existing_indexes = self.pc.list_indexes()
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index_names = [idx.name for idx in existing_indexes]
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# Create index if not found
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if self.index_name not in index_names:
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logger.info(f"Creating new Pinecone index: {self.index_name}")
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self.pc.create_index(
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name=self.index_name,
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dimension=settings.PINECONE_DIMENSION, # e.g., 768 or 1536
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metric="cosine",
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spec=ServerlessSpec(cloud="aws", region=settings.PINECONE_REGION)
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)
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time.sleep(10) # Give time for index to initialize
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self.index = self.pc.Index(self.index_name)
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logger.info(f"Connected to Pinecone index: {self.index_name}")
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except Exception as e:
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logger.error(f"Error creating or connecting to Pinecone index: {str(e)}")
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raise
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def upsert_vectors(self, vectors: List[tuple]):
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"""
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Upsert vectors into Pinecone.
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Format: [(id, embedding, metadata)]
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"""
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try:
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if not vectors:
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logger.warning("No vectors provided for upsert.")
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return
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self.index.upsert(vectors=vectors)
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logger.info(f"✅ Successfully upserted {len(vectors)} vectors to Pinecone.")
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except Exception as e:
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logger.error(f"❌ Error upserting vectors to Pinecone: {str(e)}")
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raise
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def query_vectors(self, query_vector: List[float], top_k: int = 5, filter_dict: Dict = None):
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"""Query the Pinecone index for similar vectors."""
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try:
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response = self.index.query(
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vector=query_vector,
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top_k=top_k,
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include_metadata=True,
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filter=filter_dict or {}
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)
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return response.matches
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except Exception as e:
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logger.error(f"❌ Error querying Pinecone: {str(e)}")
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raise
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def delete_all(self):
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"""Delete all vectors in the index."""
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try:
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self.index.delete(delete_all=True)
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logger.info("🗑️ All vectors deleted from Pinecone index.")
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except Exception as e:
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logger.error(f"Error deleting vectors: {str(e)}")
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raise
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def get_stats(self):
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"""Fetch index statistics."""
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try:
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stats = self.index.describe_index_stats()
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return stats
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except Exception as e:
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logger.error(f"Error getting index stats: {str(e)}")
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raise
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# Create global instance
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vector_db = VectorDatabase()
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