python - creating a database outside the application context

Question

I have an app factory like so

db = SQLAlchemy()

def create_app(environment):
  app = Flask(__name__)
  app.config.from_object(config[environment])

  db.init_app(app)
  # ... etc

  return app

then, I have a script which fetches CSVs outside of the context of the application. This script is a cron which is run every x hours

I want to update the sqlite database somehow that the application is using. Is this possible?

Answer 1

Flask-SQLAlchemy only needs an app context to operate. You can create an app context manually.

app = create_app(env)
ctx = app.app_context()
ctx.push()

# your code here

ctx.pop()

This is from the docs here and here.