16 lines
535 B
Python
16 lines
535 B
Python
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from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
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from .settings import settings
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def make_engine(**overrides):
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"""A fresh async engine. Services that need more than one pool profile
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(see ledger/chaos.py for pool_starvation) call this more than once."""
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kwargs = dict(pool_pre_ping=True)
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kwargs.update(overrides)
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return create_async_engine(settings.postgres_dsn, **kwargs)
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engine = make_engine(pool_size=20, max_overflow=10)
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Session = async_sessionmaker(engine, expire_on_commit=False)
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