# import os
# from logging.config import fileConfig
# from pathlib import Path
# from alembic import context
# from sqlalchemy import engine_from_config, pool
# # this is the Alembic Config object, which provides
# # access to the values within the .ini file in use.
# config = context.config
# # Interpret the config file for Python logging.
# # This line sets up loggers basically.
# fileConfig(config.config_file_name)
# # add your model's MetaData object here
# # for 'autogenerate' support
# # from myapp import mymodel
# # target_metadata = mymodel.Base.metadata
# target_metadata = None
# # other values from the config, defined by the needs of env.py,
# # can be acquired:
# # my_important_option = config.get_main_option("my_important_option")
# # ... etc.
# 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 connectable.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()