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```python # AI Dev Tool: PostgreSQL Vector Search Extension with Rust Inside Python (PyO3) # Description: A production-ready developer code asset that integrates PostgreSQL vector search with Rust inside Python using PyO3. # Requirements: PostgreSQL, Rust, PyO3, Python 3.8+ import os import psycopg2 from pyo3 import create_extension # PostgreSQL connection settings DB_HOST = os.environ.get('DB_HOST', 'localhost') DB_PORT = os.environ.get('DB_PORT', 5432) DB_NAME = os.environ.get('DB_NAME', 'vector_search') DB_USER = os.environ.get('DB_USER', 'postgres') DB_PASSWORD = os.environ.get('DB_PASSWORD', 'postgres') # Create a PostgreSQL connection def create_connection(): """Create a PostgreSQL connection""" try: conn = psycopg2.connect( host=DB_HOST, port=DB_PORT, database=DB_NAME, user=DB_USER, password=DB_PASSWORD ) return conn except psycopg2.Error as e: print(f"Error creating connection: {e}") return None # Create the PostgreSQL vector search extension def create_vector_search_extension(conn): """Create the PostgreSQL vector search extension""" try:
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