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import os
import sys
from logging.config import fileConfig
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
# Add the application directory to the Python path
app_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
if app_dir not in sys.path:
sys.path.insert(0, app_dir)
# Import your models here
try:
from app.app.models.database import Base, Audiobook, TextChunk, AudiobookStatus
except ImportError as e:
raise Exception(
f"Failed to import models. PYTHONPATH: {os.environ.get('PYTHONPATH')}, "
f"sys.path: {sys.path}, Error: {str(e)}"
)
# this is the Alembic Config object
config = context.config
# Interpret the config file for Python logging
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def get_url():
"""Get database URL from environment variable."""
return os.getenv(
"DATABASE_URL",
"sqlite:///app/storage/audiobooks.db"
)
def run_migrations_offline() -> None:
"""Run migrations in 'offline' mode."""
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() -> None:
"""Run migrations in 'online' mode."""
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
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online() |