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29665de 3b5d530 29665de c884cb3 423e1d1 c884cb3 3b5d530 423e1d1 c884cb3 29665de c884cb3 29665de c884cb3 07da77f c884cb3 3b5d530 29665de 3b5d530 c884cb3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | from __future__ import annotations
import os
from sqlalchemy import create_engine
# ---------------------------------------------------------------------------
# Lazy engine — built on first get_connection() call, not at import time.
# This allows db.py (and other modules) to import remote_db safely even when
# DATABASE_URL is not yet in the environment at import time.
# RuntimeError is raised when get_connection() is first called without a URL.
# ---------------------------------------------------------------------------
_engine = None
def _get_engine():
global _engine
if _engine is not None:
return _engine
database_url = os.getenv("DATABASE_URL", "").strip()
if not database_url:
raise RuntimeError("DATABASE_URL is not set")
# CockroachDB requires the cockroachdb:// dialect for SQLAlchemy
if database_url.startswith("postgresql://"):
database_url = "cockroachdb://" + database_url[len("postgresql://"):]
_engine = create_engine(
database_url,
pool_size=10,
max_overflow=20,
pool_timeout=60,
pool_pre_ping=True,
pool_recycle=300,
)
return _engine
def get_connection():
return _get_engine().connect()
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