[Chimera-users] Import Chimera Modules

Tom Goddard goddard at sonic.net
Fri Mar 15 17:02:41 PDT 2013

Hi Jon,

Maybe the trick is Chimera uses environment variable DYLD_FALLBACK_LIBRARY_PATH instead of LD_LIBRARY_PATH or DYLD_LIBRARY_PATH.  Here's the Chimera Mac start-up C++ code that sets the environment variables


and a comment on this code change says "Use DYLD_FALLBACK_LIBRARY_PATH instead of DYLD_LIBRARY_PATH, so system frameworks will get system versions of shared libraries."


On Mar 15, 2013, at 2:49 PM, Jonathan Williams wrote:

> Hello,
> I am currently trying to import Chimera modules into a non-Chimera python installation.  I have referenced previous messages from this mailing list (http://www.cgl.ucsf.edu/pipermail/chimera-users/2009-March/003620.html), and have added the relevant paths to Chimera in the LD_LIBRARY_PATH, PYTHONPATH, and CHIMERA environment variables.
> However when I try to import Chimera, Midas or "import chimeraInit" followed by "chimeraInit.init([])" I receive the following error:
> >>> import chimeraInit
> >>> chimeraInit.init([])
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/Applications/Chimera.app/Contents/Resources/share/chimeraInit.py", line 594, in init
>     import chimera
>   File "/Applications/Chimera.app/Contents/Resources/share/chimera/__init__.py", line 16, in <module>
>     from _chimera import BBox, Camera, Color, ColorGroup, DirectionalLight, LODControl, Lens, LensViewer, Light, Material, MaterialColor, Model, NoGuiViewer, OGLFont, OSLAbbreviation, OpenModels, OpenState, PathFinder, PixelMap, Plane, Point, PositionalLight, Selectable, SharedState, SpotLight, Sphere, Texture, TextureColor, TrackChanges, Vector, Viewer, X3DScene, Xform
> ImportError: dlopen(/Applications/Chimera.app/Contents/Resources/lib/_chimera.so, 2): Symbol not found: __cg_TIFFClientOpen
>   Referenced from: /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
>   Expected in: /Applications/Chimera.app/Contents/Resources/lib/libTIFF.dylib
>  in /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
> >>> 
> I am using MacOSX 10.8.2, Python 2.7.3, and Chimera 1.7 (build 38197) for 64bit Mac.
> Any help or advice would be greatly appreciated,
> Jon Williams
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> Chimera-users at cgl.ucsf.edu
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