upload.unturf.com/initialize_db.py
Russell Ballestrini 596dbb923d A test_agent.sh & a README.rst
deleted:    .app.py.swp
	modified:   .gitignore
	new file:   README.rst
	modified:   app.py
	new file:   initialize_db.py
	new file:   test_agent.sh
2025-01-06 19:56:48 -05:00

68 lines
1.9 KiB
Python

#!/usr/bin/env python
"""
Initialize or upgrade the main database for pyrafiles.
Usage:
python initialize_db.py
Environment Variables:
PYRAFILES_DB_URL (optional):
The SQLAlchemy database URL (e.g., "sqlite:///main.db").
Defaults to "sqlite:///main.db" if not set.
Description:
Creates or updates all tables referenced by `Base.metadata`.
If the database file/tables do not exist, they will be created.
"""
import os
import sys
import logging
import transaction
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy.pool import StaticPool
# Adjust these imports to your actual project structure:
# For example, if your models and Base are defined in "models.py", do:
# from pyrafiles import Base
# If you keep Base in a separate module, adjust accordingly.
from app import Base # or from your_project.models import Base
def usage():
script = os.path.basename(sys.argv[0])
print(f"Usage: {script}")
print("Example:")
print(f" python {script}")
sys.exit(1)
def main():
logging.basicConfig(level=logging.INFO)
if len(sys.argv) > 2:
# We only expect optional arguments. If needed, parse them here.
usage()
# Read environment variable for DB URL
db_url = os.environ.get("PYRAFILES_DB_URL", "sqlite:///main.db")
logging.info(f"Using DB URL: {db_url}")
# Set up engine
engine = create_engine(
db_url,
connect_args={"check_same_thread": False} if "sqlite" in db_url else {},
poolclass=StaticPool if "sqlite" in db_url else None,
)
SessionFactory = sessionmaker(bind=engine)
# Create or upgrade tables
with transaction.manager:
logging.info("Creating or upgrading tables using Base.metadata.create_all()")
Base.metadata.create_all(engine)
logging.info("Database initialization complete.")
if __name__ == "__main__":
main()