diff --git a/alembic.ini b/alembic.ini new file mode 100644 index 0000000..ae43771 --- /dev/null +++ b/alembic.ini @@ -0,0 +1,35 @@ +[alembic] +script_location = alembic +sqlalchemy.url = %(DATABASE_URL)s + +[loggers] +keys = root,sqlalchemy,alembic + +[handlers] +keys = console + +[formatters] +keys = generic + +[logger_root] +level = WARN +handlers = console + +[logger_sqlalchemy] +level = WARN +handlers = +qualname = sqlalchemy.engine + +[logger_alembic] +level = INFO +handlers = +qualname = alembic + +[handler_console] +class = StreamHandler +args = (sys.stderr,) +level = NOTSET +formatter = generic + +[formatter_generic] +format = %(levelname)-5.5s [%(name)s] %(message)s diff --git a/alembic/env.py b/alembic/env.py new file mode 100644 index 0000000..95ef1b9 --- /dev/null +++ b/alembic/env.py @@ -0,0 +1,63 @@ +from __future__ import annotations + +from logging.config import fileConfig +from typing import Iterable + +from alembic import context +from sqlalchemy import engine_from_config, pool + +from config.database import Base, DATABASE_URL +from models import * # noqa: F401,F403 - ensure models are imported for metadata registration + +# this is the Alembic Config object, which provides access to the values within the .ini file. +config = context.config + +if config.config_file_name is not None: + fileConfig(config.config_file_name) + +# Interpret the config file for Python logging. +# This line sets up loggers basically. +config.set_main_option("sqlalchemy.url", DATABASE_URL) + +target_metadata = Base.metadata + + +def run_migrations_offline() -> None: + """Run migrations in 'offline' mode.""" + + url = config.get_main_option("sqlalchemy.url") + context.configure( + url=url, + target_metadata=target_metadata, + literal_binds=True, + dialect_opts={"paramstyle": "named"}, + ) + + with context.begin_transaction(): + context.run_migrations() + + +def run_migrations_online() -> None: + """Run migrations in 'online' mode.""" + + connectable = engine_from_config( + config.get_section(config.config_ini_section, {}), + prefix="sqlalchemy.", + poolclass=pool.NullPool, + ) + + with connectable.connect() as connection: + context.configure(connection=connection, target_metadata=target_metadata) + + with context.begin_transaction(): + context.run_migrations() + + +def run_migrations() -> None: + if context.is_offline_mode(): + run_migrations_offline() + else: + run_migrations_online() + + +run_migrations() diff --git a/alembic/script.py.mako b/alembic/script.py.mako new file mode 100644 index 0000000..3966f7a --- /dev/null +++ b/alembic/script.py.mako @@ -0,0 +1,17 @@ +"""${message}""" + +revision = ${repr(revision)} +down_revision = ${repr(down_revision)} +branch_labels = ${repr(branch_labels)} +depends_on = ${repr(depends_on)} + +from alembic import op +import sqlalchemy as sa + + +def upgrade() -> None: + ${upgrades if upgrades else "pass"} + + +def downgrade() -> None: + ${downgrades if downgrades else "pass"}