.PKL 文件扩展名

Python Pickle File

开发者 Python
受欢迎程度
4.0  |  38 
 

什么是 PKL 文件?

A PKL file is a file created by pickle, a Python module that enabless objects to be serialized to files on disk and deserialized back into the program at runtime. It contains a byte stream that represents the objects.

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The process of serialization is called "pickling," and deserialization is called "unpickling." A PKL file is pickled to save space when being stored or transferred over a network then is unpickled and loaded back into program memory during runtime. The PKL file is created using Python pickle and the dump() method and is loaded using Python pickle and the load() method.

There are three protocols used for pickling:

  • Version 0 - The original ASCII protocol, which is backwards compatible with earlier Python versions.
  • Version 1 - The old binary format, which is backwards compatible with earlier Python versions.
  • Version 2 - Python 2.3 format, which features more efficient pickling of new style classes.

注: PKL files may also have the .PICKLE extension but more commonly have the .P extension.

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可打开或引用 PKL 文件的程序

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分类: 开发者
更新时间: 2017-03-09

Apple Pkl File

开发者 Apple
受欢迎程度
3.5  |  2 
 

A PKL file contains code written in Pkl (pronounced “Pickle”), an embedded configuration language developed by Apple. It stores structured data, such as build settings, environment variables, and other metadata, used by Apple development tools like Xcode. PKL files typically contain plain text, but may also store binary data, and are often generated automatically during internal build processes or system-level configurations.

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在 Microsoft Visual Studio Code 1.99 中打开的 .pkl 文件截图
在 Microsoft Visual Studio Code 1.99 中打开的 PKL 文件

Apple introduced the Pkl configuration language in February 2024 and released it as an open-source project under the Apache 2.0 license. It is designed to simplify and standardize configuration management across Apple’s development tools. Pkl allows developers to define structured data in a clean and readable format and can export that data to formats like .JSON, .YAML, and Property Lists.

Developers may encounter PKL files when building or debugging macOS or iOS apps, especially while working with Xcode. They may find PKL files in the DerivedData directory, which stores temporary build results and cached information. Developers might inspect them when troubleshooting build issues, exploring how project settings are interpreted, or analyzing internal configuration behavior.

注: Although PKL files use the same .pkl extension as Python pickle files, the two formats are unrelated and not compatible.

如何打开 PKL 文件

PKL are not meant to be opened or edited manually. However, you can open PKL files that store plain text with a source code or text editor, such as Microsoft Notepad, Apple TextEdit, and Microsoft Visual Studio Code.

You can also parse or validate a PKL file with Apple’s open-source Pkl tool by first installing the command-line tool and running commands (e.g., pkl eval [filename].pkl).

可打开或引用 PKL 文件的程序

Windows
Mac
免费
操作系统自带
Linux
分类: 开发者
更新时间: 2025-04-17

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