SQLAlchemy
The Python SQL toolkit and ORM — provides full SQL expression language and a powerful object-relational mapper for database work
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aiohttp
Async HTTP client/server framework — handles thousands of concurrent connections and is widely used for web scraping, APIs, and async microservices
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Alembic
Database migration tool for SQLAlchemy — manages schema changes through versioned migration scripts, essential for any production SQLAlchemy project
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Celery
Distributed task queue for Python — handles background jobs, scheduled tasks, and async processing in web applications
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