如何在使用bazel构建的项目中使用vscode python调试器? [英] How to use the vscode python debugger with a project built with bazel?

问题描述

我想调试一个Python文件，该文件具有一些依赖性，这些依赖性仅出现在bazel的 runfiles 中.如何使用vscode调试器调试bazel版本?

I want to debug a python file which has a few dependencies that only appear in the runfiles from bazel. How can I debug a bazel build with the vscode debugger?

推荐答案

有名的人说:是的，我们可以."

As someone famous said, "Yes, we can".

您将需要使用"ptvsd" python软件包.

You would need to use the "ptvsd" python package.

• 在Bazel中将"ptvsd"添加为Python依赖项
• 在VS Code中，在您的 launch.json 文件中，添加以下配置:

• Add "ptvsd" as a Python dependency in Bazel
• In VS Code, in your launch.json file, add the following configuration:

{
    "name": "Python: Attach",
    "type": "python",
    "request": "attach",
    "port": 5724,
    "host": "localhost"
},

调试

要调试特定文件时:

Debug

When you want to debug a specific file:

• 在要调试的Python文件中，添加以下行:

import ptvsd
ptvsd.enable_attach(address=('localhost', 5724), redirect_output=True)
print('Now is a good time to attach your debugger: Run: Python: Attach')
ptvsd.wait_for_attach()

• 像往常一样在此文件上运行Bazel(例如， bazel运行:server )
• 执行将停止在现在是连接调试器的好时机:运行:Python:附加"
• 在VS Code中，单击我们之前设置的"Python:附加"调试选项:
• 就是这样！

随意更改端口，在此示例中为5724.

Feel free to change the port, 5724 in this example.

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