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94 lines
3 KiB
Python
94 lines
3 KiB
Python
"""Assistant database backend selection (SQLite default, PostgreSQL opt-in via env)."""
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from __future__ import annotations
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import os
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import warnings
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_PG_URL_IGNORED_WARNED = False
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def assistant_db_backend() -> str:
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"""Return ``sqlite`` (default) or ``postgresql``."""
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raw = (
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os.getenv("AIA_ASSISTANT_DB_BACKEND")
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or os.getenv("OPS_ASSISTANT_DB_BACKEND")
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or "sqlite"
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).strip().lower()
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if raw in ("sqlite", ""):
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return "sqlite"
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if raw in ("pg", "postgres", "postgresql"):
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return "postgresql"
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raise ValueError(
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f"Invalid assistant DB backend {raw!r}. "
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"Use sqlite (default) or postgresql (aliases: pg, postgres)."
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)
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def _warn_if_postgres_url_ignored_for_sqlite() -> None:
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"""Emit once if PostgreSQL DSN env vars are set but backend is still SQLite."""
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global _PG_URL_IGNORED_WARNED
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if _PG_URL_IGNORED_WARNED or assistant_db_backend() != "sqlite":
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return
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for var in (
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"AIA_ASSISTANT_DATABASE_URL",
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"OPS_ASSISTANT_DATABASE_URL",
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"AIA_ASSISTANT_PG_DSN",
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"OPS_ASSISTANT_PG_DSN",
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):
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if str(os.getenv(var) or "").strip():
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_PG_URL_IGNORED_WARNED = True
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warnings.warn(
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f"{var} is set but assistant DB backend is sqlite; the PostgreSQL URL is ignored. "
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"Set AIA_ASSISTANT_DB_BACKEND=postgresql (or pg/postgres) to use PostgreSQL.",
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UserWarning,
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stacklevel=2,
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)
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return
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def assistant_sqlalchemy_url() -> str:
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"""SQLAlchemy URL for the assistant store (sqlite or postgresql+psycopg)."""
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_warn_if_postgres_url_ignored_for_sqlite()
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if assistant_db_backend() == "postgresql":
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raw = assistant_postgres_dsn()
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if raw.startswith("postgresql+") or raw.startswith("postgres+"):
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return raw
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if raw.startswith("postgresql://") or raw.startswith("postgres://"):
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return "postgresql+psycopg://" + raw.split("://", 1)[1]
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return raw
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from svc.config.paths import db_path
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p = db_path().replace("\\", "/")
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return f"sqlite+pysqlite:///{p}"
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def assistant_postgres_dsn() -> str:
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"""PostgreSQL connection URI for the assistant store (psycopg/libpq format)."""
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url = (
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os.getenv("AIA_ASSISTANT_DATABASE_URL")
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or os.getenv("OPS_ASSISTANT_DATABASE_URL")
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or os.getenv("AIA_ASSISTANT_PG_DSN")
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or os.getenv("OPS_ASSISTANT_PG_DSN")
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or ""
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).strip()
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if not url:
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raise ValueError(
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"PostgreSQL backend requires AIA_ASSISTANT_DATABASE_URL (or OPS_ASSISTANT_DATABASE_URL) "
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"to a libpq connection string, e.g. postgresql://user:pass@127.0.0.1:5432/oclaw"
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)
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return url
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def reset_assistant_db_config_warnings_for_tests() -> None:
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"""Reset one-shot warnings (pytest only)."""
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global _PG_URL_IGNORED_WARNED
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_PG_URL_IGNORED_WARNED = False
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__all__ = [
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"assistant_db_backend",
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"assistant_postgres_dsn",
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"assistant_sqlalchemy_url",
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"reset_assistant_db_config_warnings_for_tests",
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]
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