42 lines
No EOL
1 KiB
Python
42 lines
No EOL
1 KiB
Python
"""
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Database configuration and session management.
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Provides a SQLAlchemy engine and session factory with connection pooling.
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"""
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import os
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker, scoped_session
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from sqlalchemy.pool import QueuePool
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from database.models import Base
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# Get database path
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STORE_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "store")
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os.makedirs(STORE_DIR, exist_ok=True)
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DB_PATH = os.path.join(STORE_DIR, "messages.db")
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# Create engine with connection pooling
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engine = create_engine(
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f"sqlite:///{DB_PATH}",
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connect_args={"check_same_thread": False}, # Needed for SQLite
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poolclass=QueuePool,
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pool_size=5,
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max_overflow=10,
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pool_timeout=30,
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pool_recycle=3600,
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)
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# Create session factory
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SessionFactory = sessionmaker(bind=engine)
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Session = scoped_session(SessionFactory)
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def init_db():
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"""Initialize the database schema."""
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Base.metadata.create_all(engine)
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def get_session():
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"""Get a database session from the pool."""
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return Session() |