"Show automatic Python configurations" button does not update when the active editor changes
维护者通常 1 天内回复
还没有人认领这个 Issue。
评估
- 难度
- 3/5
- 预计耗时
- 1-2 天
- 新手友好度
- 72/100
- Issue 类型
- 缺陷
- 描述清晰度
- 描述清楚
- 活跃度
- 活跃
- 技术栈
- typescript, vscode
调研方向
Read package.json around lines 692–698 and src/extension/extensionInit.ts around lines 245–249 to trace how dynamicPythonConfigAvailable controls the welcome-view button. Compare the two proposed fixes, then check the existing tests for context keys or active-editor changes. Done means the button reflects the active editor’s language and does not offer to run a non-Python file with debugpy.
由索引模型根据 Issue 内容生成。
描述
The extension contributes a "Show automatic Python configurations" button to the welcome view of Run and Debug. The dynamicPythonConfigAvailable context key controls this button:
The extension sets this context key one time, during activation:
No code updates the key after activation. As a result, the button shows the language of the editor that was active when the extension activated, not the language of the current editor. This causes two problems:
- The button stays visible for non-Python files. The extension usually activates through
onLanguage:python, so the key becomestrue. If you then open a JavaScript or TypeScript file, the button stays in the view. - The button can stay hidden for Python files. If the extension activates through a debug activation event while a non-Python file is active, the key becomes
false. The button does not show when you open a Python file later.
Many projects use Python together with other languages, for example a Python backend with a TypeScript frontend. In these projects, the button often shows for files that debugpy cannot debug.
The first problem can also start the wrong program. The button runs workbench.action.debug.selectandstart for debugpy. The first dynamic configuration is "Python Debugger: Python File", with "program": "${file}". If a non-Python file is active, debugpy tries to run that file as Python.
Steps to reproduce
- Open a folder that has a Python file and a non-Python file (for example,
app.pyandindex.js). Do not add alaunch.json. - Open
app.py. - Open the Run and Debug view. The "Show automatic Python configurations" button shows. This is correct.
- Open
index.js. - Look at the Run and Debug view again.
Expected: The button does not show, because the active file is not Python.
Actual: The button continues to show. If you click it and select "Python Debugger: Python File", debugpy tries to run index.js as a Python program.
Possible fixes
I am very happy to contribute a PR for this! Two options seem good from my perspective:
- Update the key when the active editor changes. Add a
window.onDidChangeActiveTextEditorlistener that setsdynamicPythonConfigAvailableagain. This would be the smallest change. - Use the context keys of the workbench. The core debug welcome view already tracks the language of the active editor with
debugStartLanguageanddebuggerInterestedInActiveEditor. Thewhenclause can change todebugStartLanguage == python && debuggerInterestedInActiveEditor && !virtualWorkspace, and the extension can stop setting its own key.
- 主要语言
- TypeScript
- 星标
- 184
- 派生
- 129
- 平均合并
- 4 天 17 小时
- 30 天内合并 PR
- 5
环境准备
- 没有 Dockerfile 或 Docker Compose 文件
- 没有 Pull Request 模板
- 阅读贡献指南
从这里开始
- 先读完整个 Issue，再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
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