Cython：“ PyxImporter”对象没有属性“ find_spec”

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问题描述

我正在尝试将Cython模块集成到我的项目中，但无法使其正确编译。我已将问题追溯到这个最小的示例：

I'm trying to integrate a Cython module into my project and I'm having trouble getting it to compile correctly. I have traced my problem to this minimal example:

说我有两个文件 a.py 和 b.pyx 位于同一目录中，如果我在 a.py 中执行以下操作：

Say I have two files a.py and b.pyx located in the same directory, if I then do the following in a.py:

import pyximport; pyximport.install()
import b

然后一切正常， b.pyx 已成功编译并导入。

Then everything works fine, b.pyx is compiled and imported successfully.

但是，如果我改为在 a.py

But if I instead do this in a.py, assuming that a.py and b.pyx are located in dir1/dir2:

import os
import sys

sys.path.append(os.path.join(os.path.dirname(__file__), '../..'))

import pyximport; pyximport.install()
import dir1.dir2.b

此示例，但说明了阻止我从模块层次结构其他位置导入a的原因），我收到以下异常：

(which is somewhat nonsensical in this example but illustrates what's preventing me from importing a from elsewhere in my module hierarchy), I get the following exception:

Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 888, in _find_spec
AttributeError: 'PyxImporter' object has no attribute 'find_spec'

这是预期的行为还是我的安装有问题？（我在Windows 10上）

Is this expected behaviour or is something wrong with my installation? (I'm on Windows 10)

注意：SO上还有一个标题非常相似的问题，根本无法回答我的问题。

NOTE: there is another question with a very similar title on SO which does not answer my question at all.

`推荐答案`

我收到了此错误消息（尽管路径不一定相同），并且通过将Cython从0.28.5升级到0.29来解决。

I had this error message (though not necessarily the same path situation) and it was resolved by upgrading Cython from 0.28.5 to 0.29.

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