ERROR pip build_error ai_generated true

error: subprocess-exited-with-error: python setup.py egg_info did not run successfully. exit code: 1. Cython.Compiler.Errors.CompileError: /tmp/pip-install-xxx/package/src/foo.pyx:1:0: 'bar.pxd' not found

ID: pip/egg-info-failure-requires-cython

Also available as: JSON · Markdown · 中文
75%Fix Rate
85%Confidence
1Evidence
2024-03-15First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
pip 23.2 active — — —
pip 24.0 active — — —
setuptools 68.0 active — — —
Cython 3.0.8 active — — —

Root Cause

The package requires a Cython extension file (.pxd) that is missing from the source distribution, often because it is generated by a build script that was not run before packaging.

generic

中文

该软件包需要一个 Cython 扩展文件（.pxd），但该文件在源代码分发包中缺失，通常是因为生成该文件的构建脚本在打包前未运行。

Official Documentation

https://pip.pypa.io/en/stable/topics/build-system/

Workarounds

  1. 85% success Install the package from its VCS repository (e.g., git) which includes the build script that generates the .pxd file: pip install git+https://github.com/user/package.git 
    Install the package from its VCS repository (e.g., git) which includes the build script that generates the .pxd file: pip install git+https://github.com/user/package.git
  2. 70% success Patch the source distribution by downloading the .tar.gz, extracting it, running the build script (e.g., python setup.py build_ext --inplace) to generate the missing .pxd, then repackaging and installing with pip install ./package-version.tar.gz 
    Patch the source distribution by downloading the .tar.gz, extracting it, running the build script (e.g., python setup.py build_ext --inplace) to generate the missing .pxd, then repackaging and installing with pip install ./package-version.tar.gz
  3. 30% success Contact the package maintainer to request a fixed source distribution or wheel that includes the missing .pxd file. 
    Contact the package maintainer to request a fixed source distribution or wheel that includes the missing .pxd file.

中文步骤

  1. 从版本控制系统（如 git）安装该软件包，其中包含生成 .pxd 文件的构建脚本：pip install git+https://github.com/user/package.git
  2. 修补源代码分发包：下载 .tar.gz，解压，运行构建脚本（如 python setup.py build_ext --inplace）生成缺失的 .pxd，然后重新打包并用 pip install ./package-version.tar.gz 安装。
  3. 联系软件包维护者，请求发布包含缺失 .pxd 文件的固定源代码分发包或 wheel。

Dead Ends

Common approaches that don't work:

  1. Manually creating a dummy .pxd file with the same name in the package directory 95% fail

    The .pxd file has specific type declarations and interfaces that must match the .pyx file; a dummy file will cause compilation errors or silent failures.

  2. Running pip install --no-build-isolation to use system Cython 90% fail

    The missing .pxd is not a Cython version issue; it's a missing source file that no Cython version can generate without the original build script.

  3. Installing the package from a pre-built wheel instead of source 70% fail

    If the package maintainer did not publish a wheel for the platform/Python version, this option is not available.