Barcode Betty
0d4420f083
SQLAlchemy 2.0 removed implicit autocommit; without an explicit connection.commit() DDL changes from create_all() are rolled back when the connection closes, leaving fresh databases without tables. Co-Authored-By: Paperclip <noreply@paperclip.ing>
68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
"""Alembic environment configuration for CartSnitch."""
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import os
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from logging.config import fileConfig
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from sqlalchemy import engine_from_config, pool
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from alembic import context
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from cartsnitch_api.models import Base # noqa: F401 — imports all models for autogenerate
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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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db_url = os.environ.get("CARTSNITCH_DATABASE_URL_SYNC")
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if not db_url:
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raise RuntimeError(
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"CARTSNITCH_DATABASE_URL_SYNC must be set. "
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"Example: postgresql://user:pass@localhost:5432/cartsnitch"
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)
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config.set_main_option("sqlalchemy.url", db_url.replace("%", "%%"))
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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"""Run migrations in 'offline' mode."""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=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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version_table_column_width=128,
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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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"""Run migrations in 'online' mode."""
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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, version_table_column_width=128)
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with context.begin_transaction():
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context.run_migrations()
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# Create any tables defined in models but not yet created by migrations.
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# This bootstraps fresh databases that have no legacy schema.
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# checkfirst=True ensures this is a no-op on existing databases.
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try:
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Base.metadata.create_all(bind=connection, checkfirst=True)
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connection.commit()
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except Exception as exc:
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import logging
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logging.getLogger("alembic.env").warning(
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"create_all failed (non-fatal, migrations should handle table creation): %s", exc
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)
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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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