理解Shebang line: #!/usr/bin/python3

最新推荐文章于 2024-05-24 12:03:44 发布

ikeepo

最新推荐文章于 2024-05-24 12:03:44 发布

阅读量565

点赞数 1

分类专栏： # Linux 文章标签： shebang

本文链接：https://blog.youkuaiyun.com/The_Time_Runner/article/details/115261088

版权

本文介绍了Python脚本中Shebang行的作用，它用于指定解释器路径，通常在Unix-like系统中用于直接执行文件。根据PEP-394，建议使用#!/usr/bin/env python3来支持虚拟环境，或者直接使用#!/usr/bin/python3。Shebang行对于模块导入则被忽略，只在直接执行文件时起作用。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

Overview

From google styleguide, Most .py files do not need to start with a #! line.

Start the main file of a program with #!/usr/bin/env python3 (to support virtualenvs) or #!/usr/bin/python3 per PEP-394.

This line is used by the kernel to find the Python interpreter, but is ignored by Python when importing modules.

It is only necessary on a file intended to be executed directly.
Shebang

A shebang(sha-bang, hashbang, pound-bang, hash-pling) is the character sequence consisting consisting of the characters number sign and exclamation m