[chimera-dev] chimera import from unmodified python 2.5

[Eric Pettersen]

Stupid Mail.app signature-adding feature!

On Aug 13, 2008, at 2:17 PM, Eric Pettersen wrote:

>
>                         Eric Pettersen
>                         UCSF Computer Graphics Lab
>                         http://www.cgl.ucsf.edu
>
>
> On Aug 9, 2008, at 1:51 PM, Ondrej Marsalek wrote:
>
>>> And yes, please share how you are using chimera with the stock  
>>> python. It
>>> should be as "simple" as (1) setting the CHIMERA environment  
>>> variable, (2)
>>> adding CHIMERA/lib to LD_LIBRARY_PATH, (3) optionally setting up  
>>> Tcl and Tk
>>> to be chimera's version, (4) adding CHIMERA/share to sys.path, (3)  
>>> importing
>>> chimeraInit, and (5) calling chimeraInit.init with either  
>>> nogui=True or
>>> eventloop=False.
>>
>> i have the following chimera.env file that i source in bash:
>>
>> export CHIMERA=/opt/chimera
>> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$CHIMERA/lib
>> export PYTHONPATH=$PYTHONPATH:$CHIMERA/share:$CHIMERA/lib:$CHIMERA/ 
>> lib/python2.5/site-packages
>>
>> the nogui version works, but that is not exactly what i wanted, as
>> that provides a midas prompt (if i understand it correctly). i would
>> rather like to stay in my original python shell (ipython in this
>> case). is there a way to do that?
>
> Here's what works for me:
>
> env CHIMERA=/usr/local/chimera.dev LD_LIBRARY_PATH=/usr/local/ 
> chimera.dev/lib PYTHONPATH=/usr/local/chimera.dev/share:/usr/local/ 
> chimera.dev/lib:/usr/local/chimera.dev/lib/python2.5/site-packages  
> python2.5
>
> You will have to adjust the above to your local installation, and  
> may want to include the original values of LD_LIBRARY_PATH and  
> PYTHONPATH if they are normally non-empty for you (i.e. in a similar  
> fashion to your original export statements).
>
> At the resulting python prompt:
>
> from chimeraInit import init
> init([], nogui=True, script="py:/dev/null")
>
> The "script=" keyword arg prevents Chimera from giving you it's own  
> command prompt since you are tricking it into believing that you've  
> provided a script to execute (/dev/null is always an empty file).   
> Alternatively, you could have just typed "stop" at the prompt that  
> Chimera gave you and gotten back to the python prompt.
>
> --Eric
>
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