Re: possible interaction between python

That is bizarre; Python should not be touching /bin/ls at all (if you're at
all familiar with POSIX, 'ls' is the "list contents of directory" command).
I'd be more inclined to suspect that your XCode has been corrupted somehow;
perhaps reinstalling that might help. I wouldn't expect LLDB to depend on
Python either, but who knows.

I don't think your installation of Python 3.3 is at fault here, since as
you noted the error is dealing with Python 2.7. I believe that's simply the
OS built-in Python. You might try opening up a commandline in Terminal and
running this:

/Library/Frameworks/Python.framework/Versions/2.7/bin/python

which ought to run the 2.7 Python REPL (read-eval-print loop, a simple
program that lets you test out Python code). If that fails, then your OS
built-in Python has probably been damaged.

Hope that helps.

-Chris


On Mon, Apr 8, 2013 at 12:06 PM, Boyd Collier <[email protected]>wrote:

> Hello All,
>
> In late February, I thought I'd give python a try, so I took steps to run
> it on my Mac.  Unfortunately, I didn't keep a good record of what those
> steps were, but the installation seemed to be successful, in that I was
> able to run a few simple python programs.
>
> However, I now suspect that installing python may have messed up something
> needed to work with my objective-c programs with Xcode.  The symptom of a
> problem in Xcode is that when I set an Xcode project to use LLDB as the
> debugger (this is the default debugger), Xcode immediately crashes when the
> run button in the project window is hit.  However, projects run properly
> when I change the debugger to be used to GDB.  At least initially, there
> was no indication that this problem had anything to do with python.  I
> filed an Xcode bug report with Apple and have been following the steps
> suggested by Apple engineers to try to track down the problem.  This
> morning, they asked me to run the command
> /Applications/Xcode.app/Contents/Developer/usr/bin/lldb /bin/ls  from the
> terminal, which I did.  Here is the result:
>
> > Macintosh:~ bcollier$
> /Applications/Xcode.app/Contents/Developer/usr/bin/lldb /bin/ls
> > dyld: Library not loaded:
> /System/Library/Frameworks/Python.framework/Versions/2.7/Python
> >   Referenced from:
> /Applications/Xcode.app/Contents/Developer/usr/bin/../../../SharedFrameworks/LLDB.framework/LLDB
> >   Reason: image not found
> > Trace/BPT trap: 5
>
> My (perhaps erroneous) recollection is that I installed python 3.3, and I
> see that what is not being loaded is 2.7.  I've sent this result to Apple,
> but perhaps those of you who have been working with python on the Mac and
> using Xcode might have experienced a similar problem and might be able to
> suggest what is going on.  I'm running OSX 10.7.5 and Xcode 4.6 (but first
> had the problem with Xcode 4.2).
>
> Thanks very much,
> Boyd Collier
> Prof. of Biology, Emeritus
> San Diego State University
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