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744Why decorators
745First-class function recap
746Manual decoration
747`@decorator` syntax
748Writing a logging decorator
749Writing a timer decorator
750Preserving metadata with `functools.wraps`
751Decorators with arguments
752Stacking decorators
753Class-based decorators
754Decorating methods
755Decorating classes
756Common stdlib decorators
757Why context managers
758The `with` statement
759`__enter__` / `__exit__`
760Returning a value from `__enter__`
761Exception handling in `__exit__`
762Suppressing exceptions in `__exit__`
763`contextlib.contextmanager`
764`contextlib.closing`
765`contextlib.suppress`
766`ExitStack`
767Reentrant context managers

744Why decorators
745First-class function recap
746Manual decoration
747`@decorator` syntax
748Writing a logging decorator
749Writing a timer decorator
750Preserving metadata with `functools.wraps`
751Decorators with arguments
752Stacking decorators
753Class-based decorators
754Decorating methods
755Decorating classes
756Common stdlib decorators
757Why context managers
758The `with` statement
759`__enter__` / `__exit__`
760Returning a value from `__enter__`
761Exception handling in `__exit__`
762Suppressing exceptions in `__exit__`
763`contextlib.contextmanager`
764`contextlib.closing`
765`contextlib.suppress`
766`ExitStack`
767Reentrant context managers

Lesson 759 of 1,289·18. Decorators & Context ManagersPro lesson

`enter` / `exit`

Class-based context managers.

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