How can I use contextlib for advanced resource management in Python?

How can I use contextlib for advanced resource management in Python?

You can use contextlib to create context managers that help manage resources efficiently. For example, you can use it to handle file operations or database connections.

Can you show me an example of a custom context manager using contextlib?

Sure! Here's a simple example:

from contextlib import contextmanager

@contextmanager
def managed_resource():
    print('Acquiring resource')
    yield
    print('Releasing resource')

with managed_resource():
    print('Using resource')

What are some common use cases for contextlib?

Common use cases include managing file I/O, database connections, and network sockets, ensuring resources are properly cleaned up.

Are there any built-in context managers in contextlib?

Yes, contextlib provides several built-in context managers like closing, suppress, and redirect_stdout for various use cases.