Error with tcl 8.5.12 on Mac Os X 10.8.4

[Demian Battaglia]

Hi! I successfully installed TVB 1.0-7.5087 32 bits, and have no problems (or at least, not yet found any) with the web-browser interface.
However, when trying to launch the Python shell I get the following error message.
Any ideas on how to fix it?

PS: furthermore, double clicking directly on the icon from the Finder window, terminate the process directly without trying to launch. Typing directly in command line, it launches, but then it exits anyway :-(


Korbinian:TVB_Distribution demian$ ./bin/tvb_command.command

Starting TVB Scripting Interface
Korbinian:TVB_Distribution demian$ Traceback (most recent call last):
 File "runpy.pyc", line 162, in _run_module_as_main
 File "runpy.pyc", line 72, in _run_code
 File "/Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/Resources/lib/python2.7/bin/run_IDLE.py", line 41, in <module>
   PyShell.main()
 File "/Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/Resources/lib/python2.7/idlelib/PyShell.py", line 1507, in main
   root = Tk(className="Idle")
 File "Tkinter.pyc", line 1745, in __init__
_tkinter.TclError: Can't find a usable init.tcl in the following directories:
   /Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/Frameworks/Tcl.framework/Versions/8.5/Resources/Scripts /opt/local/lib/tcl8.5 /Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/lib/tcl8.5 /Users/demian/Desktop/TVB_Distribution/tvb.app/lib/tcl8.5 /Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/library /Users/demian/Desktop/TVB_Distribution/tvb.app/library /Users/demian/Desktop/TVB_Distribution/tvb.app/tcl8.5.12/library /Users/demian/Desktop/TVB_Distribution/tcl8.5.12/library

/Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/Frameworks/Tcl.framework/Versions/8.5/Resources/Scripts/init.tcl: version conflict for package "Tcl": have 8.5.12, need exactly 8.5.11
version conflict for package "Tcl": have 8.5.12, need exactly 8.5.11
   while executing
"package require -exact Tcl 8.5.11"
   (file "/Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/Frameworks/Tcl.framework/Versions/8.5/Resources/Scripts/init.tcl" line 18)
   invoked from within
"source /Users/demian/Desktop/TVB_Distribution/tvb.app/Contents/Frameworks/Tcl.framework/Versions/8.5/Resources/Scripts/init.tcl"
   ("uplevel" body line 1)
   invoked from within
"uplevel #0 [list source $tclfile]"


This probably means that Tcl wasn't installed properly.

[demian.battaglia]

Problem fixed. It was due to using the shipped version of Python and ActiveTCL on the Mac OSX 10.8 installation and it is a well-documented bug in the Mac OSX python developer's community. Troubleshooting steps:

1) I upgraded first my Active TCL to the 8.5.14.0 version (download page: http://www.activestate.com/activetcl/downloads)

2) I upgraded then my Python framework to the 2.7.5 version (download page http://www.python.org/download/releases/2.7.5/), latest production release of Python 2 (NB: TVB is not yet compatible with Python 3)

As discussed somewhere (http://www.python.org/download/mac/tcltk/) you must execute the two steps in the 1-2 order, or installing python (in the 64bit version) without having first upgraded Active TCL will not fix the bug (and will introduce many others).

For me it worked fine.

[Marmaduke Woodman]

Thanks for posting your solution !

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[Lia Domide]

Hi Demian,

Thank you for reporting this, and especially for taking the time and energy to find a work around it.

The solution proposed by you is not entirely in the spirit of TVB; as we are trying to not rely on external installed Python & dep., but rather provide as much as possible in TVB package.

I've wrapped a new package for TVB Mac OS x32: version 1.0.7, revision 1088. You can find it on our web-site (although in your new setup it should not make a difference).

Best Regards,

Lia.

Ing. Lia Domide
Director of Development at Codemart
Str. Petofi Sandor, Nr. 13, Ap. 4
Cluj Napoca, 400610, Romania
Tel: +40 (364) 401158

       +40 (744) 580134
Web: http://www.codemart.ro