[GRASS-user] GRASS can't fetch interface description for Python script

[LeeDaniel]

Hi there,

I'm having a lot of trouble starting this script in GRASS. As I'm more than
a newbie in programming, this is probably some really basic mistake, but my
other scripts all work consistently in GRASS and I've been working on this
for quite a while with no success, so here goes :)

I quickly put together a script, copied it into /opt/grass/scripts, and when
I try to call it from within GRASS it returns the following error:
Traceback (most recent call last):
  File "/opt/grass/etc/wxpython/gui_modules/prompt.py", line
1067, in OnKeyPressed

self.parent.RunCmd(cmd)
  File "/opt/grass/etc/wxpython/gui_modules/goutput.py",
line 516, in RunCmd

task = menuform.GUI().ParseInterface(command)
  File "/opt/grass/etc/wxpython/gui_modules/menuform.py",
line 2020, in ParseInterface

tree = etree.fromstring(getInterfaceDescription(cmd[0]))
  File "/opt/grass/etc/wxpython/gui_modules/menuform.py",
line 1970, in getInterfaceDescription

"Details: %s") % (cmd, e.value)
AttributeError
:
'exceptions.OSError' object has no attribute 'value'


I'm not really able to find any differences between this script and another
script that works just fine. However, several scripts that I'd used about a
year ago don't work any more, even though the code's the same - very
mysterious. I'm using the most recent GRASS 6.4.1 from the OpenSUSE
geo-repository.

Any clues or tips would be greatly appreciated! Would enclose more
information, but I'm not sure what's exactly relevant and I don't want to
spam ya'll with my entire code. Thanks!
Daniel

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