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如何修复运行 pip install 时 Python CFFI 包找不到包含文件

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问题：

当你使用 python setup.py install 在本地安装包时，所有包含文件都被找到并且包正确安装

但是你运行 pip install 时，编译器缺少一些包含文件

解决方案

很可能你的包含文件没有进入 sdist 即源代码分发 .tar.gz 文件。为了包含它，在与 setup.py 相同的文件夹中创建 MANIFEST.in 文件，以告诉 setuptools 除了 setup.py 中直接引用的文件外还要包含什么。

在我的情况下，包含文件在 src 文件夹中，所以我将此添加到 MANIFEST.in：

MANIFEST.in
graft src/

现在，要检查是否有效，运行

build_sdist.sh
python setup.py sdist

这将显示源代码分发中包含哪些文件。示例：

sdist-output.txt
C:\Users\ukoeh\cv_algorithms>python setup.py sdist
running sdist
running egg_info
writing cv_algorithms.egg-info\PKG-INFO
writing dependency_links to cv_algorithms.egg-info\dependency_links.txt
writing requirements to cv_algorithms.egg-info\requires.txt
writing top-level names to cv_algorithms.egg-info\top_level.txt
reading manifest file 'cv_algorithms.egg-info\SOURCES.txt'
reading manifest template 'MANIFEST.in'
adding license file 'LICENSE'
writing manifest file 'cv_algorithms.egg-info\SOURCES.txt'
running check
warning: check: missing meta-data: either (author and author_email) or (maintainer and maintainer_email) should be supplied

creating cv_algorithms-1.0.4
creating cv_algorithms-1.0.4\cv_algorithms
creating cv_algorithms-1.0.4\cv_algorithms.egg-info
creating cv_algorithms-1.0.4\src
creating cv_algorithms-1.0.4\test
copying files to cv_algorithms-1.0.4...
copying LICENSE -> cv_algorithms-1.0.4
copying MANIFEST.in -> cv_algorithms-1.0.4
copying README.md -> cv_algorithms-1.0.4
copying setup.py -> cv_algorithms-1.0.4
copying cv_algorithms__init__.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms_checks.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms_ffi.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\classification.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\colorspace.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\contours.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\distance.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\grassfire.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\morphology.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\neighbours.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\popcount.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\text.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\thinning.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms\utils.py -> cv_algorithms-1.0.4\cv_algorithms
copying cv_algorithms.egg-info\PKG-INFO -> cv_algorithms-1.0.4\cv_algorithms.egg-info
copying cv_algorithms.egg-info\SOURCES.txt -> cv_algorithms-1.0.4\cv_algorithms.egg-info
copying cv_algorithms.egg-info\dependency_links.txt -> cv_algorithms-1.0.4\cv_algorithms.egg-info
copying cv_algorithms.egg-info\not-zip-safe -> cv_algorithms-1.0.4\cv_algorithms.egg-info
copying cv_algorithms.egg-info\requires.txt -> cv_algorithms-1.0.4\cv_algorithms.egg-info
copying cv_algorithms.egg-info\top_level.txt -> cv_algorithms-1.0.4\cv_algorithms.egg-info
copying src\common.hpp -> cv_algorithms-1.0.4\src
copying src\distance.cpp -> cv_algorithms-1.0.4\src
copying src\grassfire.cpp -> cv_algorithms-1.0.4\src
copying src\neighbours.cpp -> cv_algorithms-1.0.4\src
copying src\popcount.cpp -> cv_algorithms-1.0.4\src
copying src\thinning.cpp -> cv_algorithms-1.0.4\src
copying src\windows.cpp -> cv_algorithms-1.0.4\src
copying test\TestColorspace.py -> cv_algorithms-1.0.4\test
copying test\TestContours.py -> cv_algorithms-1.0.4\test
copying test\TestDistance.py -> cv_algorithms-1.0.4\test
copying test\TestGrassfire.py -> cv_algorithms-1.0.4\test
copying test\TestNeighbours.py -> cv_algorithms-1.0.4\test
copying test\TestPopcount.py -> cv_algorithms-1.0.4\test
copying test\TestThinning.py -> cv_algorithms-1.0.4\test
copying test\TestUtils.py -> cv_algorithms-1.0.4\test
copying test__init__.py -> cv_algorithms-1.0.4\test
Writing cv_algorithms-1.0.4\setup.cfg
Creating tar archive
removing 'cv_algorithms-1.0.4' (and everything under i

之后，你需要重新发布你的包。有关完整示例，请参见我的 cv_algorithms 项目。

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