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from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
from app.sql.common import db, engine, connection_url, Base
# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config
config.set_main_option("script_location", "./app/sql")
config.set_main_option("sqlalchemy.url", connection_url)
target_metadata = Base.metadata
from app.sql.models.tile import Tile
from app.sql.models.page import Page
from app.sql.models.graph import Graph
from app.sql.models.upload import Upload
def run_migrations_offline():
"""Run migrations in 'offline' mode.
This configures the context with just a URL
and not an Engine, though an Engine is acceptable
here as well. By skipping the Engine creation
we don't even need a DBAPI to be available.
Calls to context.execute() here emit the given string to the
script output.
"""
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():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
# connectable = engine_from_config(
# config.get_section(config.config_ini_section),
# prefix="sqlalchemy.",
# poolclass=pool.NullPool,
# )
with engine.connect() as connection:
context.configure(
connection=connection, target_metadata=target_metadata
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()
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