75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
"""
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Celery application factory for the Crafting Shop application.
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Follows the same application factory pattern as Flask.
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"""
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from celery import Celery
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from flask import Flask
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def make_celery(app: Flask) -> Celery:
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"""
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Create and configure a Celery application with Flask context.
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Args:
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app: Flask application instance
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Returns:
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Configured Celery application instance.
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"""
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# Create Celery app with Flask app name
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celery_app = Celery(
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app.import_name,
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broker=app.config["CELERY"]["broker_url"],
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backend=app.config["CELERY"]["result_backend"],
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)
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# Update configuration from Flask config
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celery_app.conf.update(app.config["CELERY"])
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# Set up Flask application context for tasks
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# This ensures tasks have access to Flask extensions (db, etc.)
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class ContextTask(celery_app.Task):
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"""Celery task that runs within Flask application context."""
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def __call__(self, *args, **kwargs):
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with app.app_context():
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return self.run(*args, **kwargs)
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celery_app.Task = ContextTask
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# Auto-discover tasks in the tasks module
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celery_app.autodiscover_tasks(["app.celery.tasks"])
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# Configure Beat schedule
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from .beat_schedule import configure_beat_schedule
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configure_beat_schedule(celery_app)
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# Import tasks to ensure they're registered
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from .tasks import example_tasks # noqa: F401
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print(f"✅ Celery configured with broker: {celery_app.conf.broker_url}")
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print(f"✅ Celery configured with backend: {celery_app.conf.result_backend}")
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print(f"✅ Beat schedule configured with {len(celery_app.conf.beat_schedule)} tasks")
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return celery_app
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# Global Celery instance
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celery = None
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def init_celery(app: Flask) -> Celery:
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"""
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Initialize the global celery instance with Flask app.
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This should be called in create_app() after Flask app is created.
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Args:
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app: Flask application instance
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Returns:
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Configured Celery application instance
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"""
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global celery
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celery = make_celery(app)
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return celery
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