升级 El Capitan 之后遇到的第一个兼容性问题， pip install wand 坏掉了

$ sudo pip install wand
Downloading/unpacking wand
  Downloading Wand-0.4.1.tar.gz (61kB): 61kB downloaded
  Running setup.py (path:/private/tmp/pip_build_root/wand/setup.py) egg_info for package wand
    Traceback (most recent call last):
      File "<string>", line 17, in <module>
      File "/private/tmp/pip_build_root/wand/setup.py", line 8, in <module>
        from wand.version import VERSION
      File "wand/version.py", line 45, in <module>
        from .api import libmagick, library
      File "wand/api.py", line 1295, in <module>
        libc = ctypes.cdll.LoadLibrary('libc.dylib')
      File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ctypes/__init__.py", line 443, in LoadLibrary
        return self._dlltype(name)
      File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ctypes/__init__.py", line 365, in __init__
        self._handle = _dlopen(self._name, mode)
    OSError: dlopen(libc.dylib, 6): image not found
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):

  File "<string>", line 17, in <module>

  File "/private/tmp/pip_build_root/wand/setup.py", line 8, in <module>

    from wand.version import VERSION

  File "wand/version.py", line 45, in <module>

    from .api import libmagick, library

  File "wand/api.py", line 1295, in <module>

    libc = ctypes.cdll.LoadLibrary('libc.dylib')

  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ctypes/__init__.py", line 443, in LoadLibrary

    return self._dlltype(name)

  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ctypes/__init__.py", line 365, in __init__

    self._handle = _dlopen(self._name, mode)

OSError: dlopen(libc.dylib, 6): image not found

用 El Capitan 加上 dlopen(libc.dylib, 6): image not found 搜索了一下，其他的一些项目也遇到了类似的问题，目前貌似暂时无解：

https://github.com/koenbok/Cactus/issues/176

https://github.com/jordansissel/fpm/issues/1010

4 条回复 • 2015-11-13 15:56:53 +08:00

caizixian

2015-09-22 12:41:34 +08:00

难道路径换了，然后 pip 没跟进？

jixiangqd

2015-09-22 13:17:46 +08:00

报错报在 wand 的代码，所以是 wand 的问题，等更新吧~

zqqf16

2015-09-22 13:39:38 +08:00

我这没问题，把 System Integrity Protection 关了试试～

```
Downloading Wand-0.4.1.tar.gz (61kB)
100% |████████████████████████████████| 65kB 330kB/s
Installing collected packages: Wand
Running setup.py install for Wand
Successfully installed Wand-0.4.1
```

hullopanda

2015-11-13 15:56:53 +08:00

原因应该是 10.11 /System/Library/这些目录权限收缩了