62 lines
1.7 KiB
Python
62 lines
1.7 KiB
Python
"""Alembic env.py -- read DB URL from ZCBOT_DB_URL, metadata from core.storage.models."""
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from __future__ import annotations
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import os
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import sys
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from logging.config import fileConfig
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from pathlib import Path
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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# Make project root importable so we can pull in core.storage.models
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ROOT = Path(__file__).resolve().parent.parent.parent
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sys.path.insert(0, str(ROOT))
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from core.storage.models import Base # noqa: E402
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config = context.config
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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# Inject URL from env var (not hardcoded in alembic.ini)
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db_url = os.environ.get("ZCBOT_DB_URL", "").strip()
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if not db_url:
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raise RuntimeError(
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"ZCBOT_DB_URL is not set.\n"
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" export ZCBOT_DB_URL='postgresql+psycopg://user:pass@host:5432/dbname'"
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)
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config.set_main_option("sqlalchemy.url", db_url)
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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context.configure(
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url=db_url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online() -> None:
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connectable = engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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with connectable.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata)
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with context.begin_transaction():
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context.run_migrations()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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