错误:项目有 'pyproject.toml',但其构建后端缺少 'build_editable' 钩子。无法构建可编辑安装。项目的构建后端 'setuptools.build_meta' 没有 'build_editable' 钩子。
ERROR: Project has a 'pyproject.toml' and its build backend is missing the 'build_editable' hook. Cannot build editable. The project's build backend 'setuptools.build_meta' does not have a 'build_editable' hook.
ID: pip/pyproject-toml-build-backend-missing
版本兼容性
| 版本 | 状态 | 引入 | 弃用 | 备注 |
|---|---|---|---|---|
| pip 24.1 | active | — | — | — |
| setuptools 68.0 | active | — | — | — |
| Python 3.11 | active | — | — | — |
根因分析
pyproject.toml 指定了一个构建后端(例如 setuptools.build_meta),该后端不支持 'build_editable' 钩子,而现代 pip 的 'pip install -e .' 需要此钩子。
English
The pyproject.toml specifies a build backend (e.g., setuptools.build_meta) that does not support the 'build_editable' hook, required for 'pip install -e .' with modern pip.
官方文档
https://setuptools.pypa.io/en/latest/userguide/pyproject_config.html#editable-install解决方案
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升级 setuptools 到 64+ 版本,该版本支持 build_editable:'pip install --upgrade setuptools>=64' 然后重试可编辑安装。
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临时使用非可编辑模式安装:'pip install .' 而不是 'pip install -e .'
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在 pyproject.toml 中添加支持可编辑安装的自定义构建后端,例如使用 'hatchling' 或 'flit_core': [build-system] requires = ["hatchling"] build-backend = "hatchling.build"
无效尝试
常见但无效的做法:
-
90% 失败
Upgrading pip does not add the hook; the build backend must support it.
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70% 失败
Deleting pyproject.toml and using setup.py directly may work but breaks build system standardization and can cause other issues.
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95% 失败
Using 'pip install --no-build-isolation' does not bypass the hook requirement; it still fails.