Python pickle的首选(或最常见)文件扩展名 [英] Preferred (or most common) file extension for a Python pickle

问题描述

这是一个学生提出的问题，我没有一个很好的答案.有时，对于包含Python泡菜但不确定最常见或最佳做法的文件，我曾见过.pickle，.pck，.pcl和.db.我知道后三个扩展也用于其他用途.

This is a question from a student that I didn't have a good answer for. At times, I've seen .pickle, .pck, .pcl, and .db for files that contain Python pickles but am unsure what is the most common or best practice. I know that the latter three extensions are also used for other things.

相关的问题是，使用REST API在系统之间发送酱菜时，首选哪种MIME类型?

The related question is what MIME type is preferred for sending pickles between systems using a REST API?

推荐答案

Python 2

从 Python 2文档:

output = open('data.pkl', 'wb')

在使用Python 2时，我会选择.pkl作为扩展名.

I would choose .pkl as the extension when using Python 2.

Python 3

Python 3文档中的示例现在使用.pickle作为文件扩展名:

The example in the Python 3 docs now uses .pickle as the file extension:

with open('data.pickle', 'rb') as f:

---

从以下martineau的评论中发送咸菜的首选MIME类型:

---

The MIME type preferred for sending pickles from martineau's comment below:

应用程序/八位字节流

application/octet-stream

请参见>什么是字节HTTP内容类型"用一个字节的字节?

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