Snow Leopard Python 2.6 使 PIL 工作时出现问题
我安装了 libjpeg 和 PIL，但是当我尝试保存 JPG 图像时，总是收到此错误：
ImportError: The _imaging C module is not安装
非常感谢任何帮助！
我尝试使用 Python 解释器导入 _imaging 来看看出了什么问题，结果是：
>>> import _imaging
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PIL/_imaging.so, 2): Symbol not found: _jpeg_resync_to_restart
Referenced from: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PIL/_imaging.so
Expected in: dynamic lookup
I installed libjpeg and PIL, but when I try to save a JPG image, I always get this error:
ImportError: The _imaging C module is not installed
Any help much appreciated!
I tried to import _imaging w/ Python interpreter to see what's wrong and got this:
>>> import _imaging
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PIL/_imaging.so, 2): Symbol not found: _jpeg_resync_to_restart
Referenced from: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PIL/_imaging.so
Expected in: dynamic lookup
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我刚刚在 SL 上也遇到了这个问题，问题可能是你的 libjpeg 是在没有匹配架构的情况下构建的。假设您使用的是 MacPorts，请运行
file /opt/local/lib/libjpeg.dylib。正确的方法是使用 MacPorts 将所有内容构建为+universal，请参阅MacPorts 中的通用二进制文件，因为它与 PIL 相关依赖关系。
I just hit this as well on SL, and the problem is likely your libjpeg was built without a matching architecture. Assuming you're using MacPorts, run
file /opt/local/lib/libjpeg.dylib. The right way is to build everything with MacPorts as+universal, seeUniversal Binaries in MacPorts as it relates to PIL dependencies.
当您之前从 fink 或 ports 安装了 python 工具时，从源代码编译时会发生很多此类错误。例如，当
/opt/local/lib中有剩余的 libjpeg 文件时，可能会发生_jpeg_resync_to_restart错误。试试这个：然后重新编译 libjpeg（从
make clean开始），然后重新编译 PIL（从rm -Rf build开始）。之后，
import _imaging应该可以工作。无论如何，都是为我做的。A lot of these errors happen when compiling from source when you've previously installed python tools from fink or ports. For example the
_jpeg_resync_to_restarterror can happen when you've got leftover libjpeg files in/opt/local/lib. Try this:Then recompile libjpeg (starting with
make clean), then recompile PIL (starting withrm -Rf build).After that,
import _imagingshould work. Did for me anyway.编辑：感谢您添加的错误消息。这显然是雪豹上 jpeglib 的问题。你试过这个吗？
http://jetfar.com/libjpeg-and-python -imaging-pil-on-snow-leopard/
Edit: Thanks for the added error message. This is apparently a problem with the jpeglib on Snow Leopard. Have you tried this?
http://jetfar.com/libjpeg-and-python-imaging-pil-on-snow-leopard/
我也一直遇到这个问题。事实证明，这与我在尝试修复 MySQLdb 安装问题时对 .bash_profile 所做的更改（强制使用 ggc-4.0）有关。
http://www.brambraakman.com/blog/comments/installing_pil_in_snow_leopard_jpeg_resync_to_restart_error/
I kept having this problem as well. It turned out to be related to a change I made to my .bash_profile (forcing the usage of ggc-4.0) when trying to fix a MySQLdb installation problem.
http://www.brambraakman.com/blog/comments/installing_pil_in_snow_leopard_jpeg_resync_to_restart_error/