__aenter__ — Easy Examples

Async version of __enter__ for async with blocks

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Implementing __aenter__

Basic implementation of __aenter__ in a class.

python
class Example:
    def __aenter__(self):
        return "Example __aenter__"

obj = Example()
print(obj)

__aenter__ async version of __enter__ for async with blocks. Implementing it lets you customize how Python interacts with your objects.

__aenter__ in action

Seeing __aenter__ called by Python's built-in operations.

python
# How Python calls __aenter__ automatically
class Demo:
    def __init__(self, value):
        self.value = value

    def __aenter__(self):
        print(f"__aenter__ was called!")
        return self

d = Demo(42)
# This triggers __aenter__:
print(d)

Python automatically calls __aenter__ when you use the corresponding operator or function on your object.

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