Question

无法从MAC上的终端导入lxml。得到以下错误

错误：

python
Python 2.7.14 (v2.7.14:84471935ed, Sep 16 2017, 12:01:12) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from lxml import etree
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lxml/etree.so, 2): Symbol not found: _PyUnicodeUCS4_AsASCIIString
  Referenced from: /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lxml/etree.so
  Expected in: dynamic lookup

>>> 

'import lxml' works fine

Python路径

which python
/Library/Frameworks/Python.framework/Versions/2.7/bin/python

当我寻找lxml安装时，一切看起来都很好

pip install lxml
Requirement already satisfied: lxml in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages

pip2 install lxml
Requirement already satisfied: lxml in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages

我在这里缺少什么？什么可能是错的？能帮帮我吗。

解：通过卸载lxml并按pip install lxml --no-binary :all:

重新安装来解决此问题

Answer 1

您使用UCS4（4字节unicode）编译python，使用UCS2编译lxml。即，扩展和python是不兼容的。更改其中一个 - 即，使用--enable-unicode=ucs2重新编译python或使用UCS4重新编译lxml。

无法在MAC上导入python模块lxml

1 个答案: