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| import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.realpath(__file__))))
parent_dir = os.path.abspath(os.path.join(os.getcwd(), "..", ".."))
sys.path.append(parent_dir)
from logging.config import fileConfig
from sqlalchemy import create_engine
from sqlalchemy import pool
from alembic import context
from db.base import Base
from db import models
def get_url():
from app.config import (
DATABASE_HOST,
DATABASE_NAME,
DATABASE_PASSWORD,
DATABASE_PORT,
DATABASE_USER,
)
return f"mysql://{DATABASE_USER}:{DATABASE_PASSWORD}@{DATABASE_HOST}:{DATABASE_PORT}/{DATABASE_NAME}?charset=utf8"
# 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)
# autogernate ์ ์ฉ ์ํ ์ธํ
target_metadata = Base.metadata
# 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() -> None:
"""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,
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.
"""
configuration = config.get_section(config.config_ini_section)
configuration["sqlalchemy.url"] = get_url()
connectable = create_engine(
get_url(),
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()
|