90c1cdef34
- Fix code linting issues - Update README with detailed documentation - Configure database paths for the current environment - Create necessary directory structure The News Aggregation Service is now ready to use with FastAPI and SQLite.
90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
from logging.config import fileConfig
|
|
import os
|
|
import sys
|
|
from alembic import context
|
|
from sqlalchemy import engine_from_config, pool
|
|
|
|
# Add the parent directory to sys.path
|
|
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
|
|
|
|
# Import the SQLAlchemy base and models
|
|
from app.db.session import Base
|
|
import app.models # noqa
|
|
|
|
# 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
|
|
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():
|
|
"""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:
|
|
# For SQLite, enable foreign keys and use batch mode
|
|
is_sqlite = connection.dialect.name == "sqlite"
|
|
|
|
context.configure(
|
|
connection=connection,
|
|
target_metadata=target_metadata,
|
|
render_as_batch=is_sqlite, # SQLite batch mode
|
|
)
|
|
|
|
# For SQLite, enable foreign keys
|
|
if is_sqlite:
|
|
connection.execute("PRAGMA foreign_keys=ON")
|
|
|
|
with context.begin_transaction():
|
|
context.run_migrations()
|
|
|
|
|
|
if context.is_offline_mode():
|
|
run_migrations_offline()
|
|
else:
|
|
run_migrations_online() |