python binding error on macports

[reubano]

reubano wrote
> 
> gnucash-2.4.10 built from source with MacPorts 2.0.3 on MacOSX 10.7.2 
> 
> $ gnucash-env python
> 
> 
>> Python 2.7.1 (r271:86832, Jul 31 2011, 19:30:53) 
>> [GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)] on
>> darwin
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> import gnucash.gnucash_core
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in <module>
>>   File "/opt/x11/lib/python2.7/site-packages/gnucash/__init__.py", line
>> 6, in <module>
>>     from gnucash_core import *
>>   File "/opt/x11/lib/python2.7/site-packages/gnucash/gnucash_core.py",
>> line 31, in <module>
>>     import gnucash_core_c
>>   File "/opt/x11/lib/python2.7/site-packages/gnucash/gnucash_core_c.py",
>> line 25, in <module>
>>     _gnucash_core_c = swig_import_helper()
>>   File "/opt/x11/lib/python2.7/site-packages/gnucash/gnucash_core_c.py",
>> line 21, in swig_import_helper
>>     _mod = imp.load_module('_gnucash_core_c', fp, pathname, description)
>> ImportError:
>> dlopen(/opt/x11/lib/python2.7/site-packages/gnucash/_gnucash_core_c.so,
>> 2): Symbol not found: __cg_png_create_info_struct
>>   Referenced from:
>> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
>>   Expected in: /opt/x11/lib/libpng14.14.dylib
>>  in
>> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
>>>>>
>> 
> 
> I overcame similar errors with:
> 
>   /opt/x11/lib/libGIF.dylib
>   /opt/x11/lib/libJPEG.dylib
>   /opt/x11/lib/libTIFF.dylib
> 
> by symlinking to the corresponding dylib in /System/Library/Frameworks....
> However, there is no libpng14.14.dylib in /System/Library/Frameworks....
> so I don't know what to do. Note: I received similar errors with these
> files when building gnucash but those went away once I ran
> 
>   export DYLD_FALLBACK_LIBRARY_PATH=/opt/x11/lib:
> 

Anyone? I'd really like to try python on my mac.

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