53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
from sqlalchemy import create_engine, event
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from sqlalchemy.orm import sessionmaker, declarative_base
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from sqlalchemy.pool import NullPool
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from config import settings
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_is_sqlite = "sqlite" in settings.DATABASE_URL
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engine = create_engine(
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settings.DATABASE_URL,
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connect_args={"check_same_thread": False} if _is_sqlite else {},
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poolclass=NullPool if _is_sqlite else None,
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)
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if _is_sqlite:
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@event.listens_for(engine, "connect")
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def _set_wal(dbapi_conn, _):
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dbapi_conn.execute("PRAGMA journal_mode=WAL")
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dbapi_conn.execute("PRAGMA synchronous=NORMAL")
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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Base = declarative_base()
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def get_db():
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db = SessionLocal()
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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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def init_db():
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Base.metadata.create_all(bind=engine)
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if "sqlite" in str(engine.url):
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with engine.connect() as conn:
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try:
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conn.execute(__import__("sqlalchemy").text(
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"ALTER TABLE audiobook_characters ADD COLUMN gender VARCHAR(20)"
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))
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conn.commit()
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except Exception:
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pass
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for col_def in [
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"ALTER TABLE audiobook_segments ADD COLUMN emo_text VARCHAR(20)",
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"ALTER TABLE audiobook_segments ADD COLUMN emo_alpha REAL",
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"ALTER TABLE audiobook_projects ADD COLUMN script_config JSON",
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]:
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try:
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conn.execute(__import__("sqlalchemy").text(col_def))
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conn.commit()
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except Exception:
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pass
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