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from logging.config import fileConfig
from alembic import context
from sqlalchemy import engine_from_config, pool
config = context.config
fileConfig(config.config_file_name)
from app.models.oplog import SQLModel # noqa
from app.core.config import settings # noqa
target_metadata = SQLModel.metadata
def get_url():
return str(settings.SQLALCHEMY_DATABASE_URI)
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 = get_url()
context.configure(
url=url, target_metadata=target_metadata, literal_binds=True, compare_type=True
)
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.
"""
configuration = config.get_section(config.config_ini_section)
configuration["sqlalchemy.url"] = get_url()
connectable = engine_from_config(
configuration,
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
with connectable.connect() as connection:
context.configure(
connection=connection, target_metadata=target_metadata, compare_type=True
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()
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