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What is EnableReflectionKey(key) in the winreg Python module?

Adnan Abbas

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winreg - Windows registry access provides functions that expose the Windows registry API to Python. Windows registry is a collection of databases that store software programs’ information and settings, hardware devices, user preferences, and operating-system configurations.

Registry handle objects

winreg uses a handle object as the registry handle to ensure that the handles are closed correctly, even in cases where the programmer might forget to close them.

The handle object wraps a windows HKEY object and automatically closes it when the object is destroyed. It also supports comparison semantics, so two handle objects will compare true if both of them point to the same Windows underlying handle value.

EnableReflectionKey method

Registry reflection is a process that copies registry keys and values between two registry views to keep them synchronized.

EnableReflectionKey restores registry reflection for the specified key.

The function raises a NotImplementedError if executed on a 32-bit machine.

Syntax

winreg.EnableReflectionKey(key) 

Parameters

  • key is an already opened key or one of the predefined HKEY_* constants. HKEY constants correspond to various registry entries such as environment variable settings, the physical state of the computer, user preferences, network connections, etc.

Return value

This method raises an auditing event. An audit event is raised when an OS system-level change is made to be reported to the system audit logger that runs as part of the kernel.

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Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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