python的fcntl模块的位置在哪里? [英] Where is the location of the fcntl module of python?

问题描述

我在UNIX上，但找不到fcntl模块的位置.我在Web开发中使用的是Jython，而我正在修改的现有程序需要该模块.您能给我一种导入方法还是让我的代码能够使用此模块?预先感谢！

I'm on unix but I can't find the location of the fcntl module. I'm using Jython in my web development, and the existing program that I'm modifying needs that module. Can you give me a way to import it or for my code to be able to use this module? Thanks in advance!

推荐答案

fcntl是内置模块.它不是用Python编写的，而是用C语言编写的.不幸的是，它尚未移植到Java，并且根据此错误报告，这不可能.

fcntl is a built-in module. It's not written in Python, but in C. Unfortunately, it hasn't been ported to Java, and according to this bug report, it's unlikely that it ever will be.

要回答您的问题:请在CPython源代码中，此处.

To answer your question: it's in the CPython source, here.

问题在于fcntl是特定于Unix的；您的程序从一开始就无法移植. Java完全严格地与平台无关，并且(如Jython开发人员在该错误报告中所暗示的)，某些低级的事情是不可能的.您可以搜索所需的特定功能-与整个模块相比，使该功能正常运行的机会更大-但我建议您寻找解决问题的方法，而不是尝试让fcntl在Java中运行.

The problem is that fcntl is Unix-specific; your program was not portable from the start. Java is pretty strictly platform-independent, and (as the Jython developers imply in that bug report) some low-level things aren't possible. You can search about the particular functions you need — you'll might a better chance of getting that to work than the whole module – but I'd recommend looking for some way around the problem rather than trying to get fcntl to work in Java.

希望您能找到替代解决方案.

I hope you can find an alternative solution.

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