41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
from sqlalchemy import create_engine
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy.engine import URL
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from config import load_config
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ApplicationConfig = load_config()
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url = URL.create(
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drivername="postgresql",
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username=ApplicationConfig.POSTGRES_USERNAME,
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password=ApplicationConfig.POSTGRES_PW,
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host=ApplicationConfig.POSTGRES_SERVER,
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database=ApplicationConfig.POSTGRES_DBNAME00,
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port=ApplicationConfig.POSTGRES_PORT
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)
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engine = create_engine(
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url,
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pool_pre_ping=True, # Verify connections before use
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pool_size=5, # Maintain 5 connections in pool
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max_overflow=10, # Allow 10 additional connections when busy
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pool_recycle=3600, # Recycle connections after 1 hour
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)
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Session = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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session = Session()
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Base = declarative_base()
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Base.metadata.create_all(engine)
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def get_db():
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db = Session()
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try:
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yield db
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finally:
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db.close()
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