[GRASS-user] How to force remove broken vector layers?

[Markus Metz]

On Wed, Apr 10, 2013 at 2:05 PM, Allar Haav <allar.haav at gmail.com> wrote:
> Hi,
>
> As for the latest compiled WinGRASS7, which at the moment (from osgeo4w) is
> r55677-547, then this gives the error right at the startup of grass7 (i.e.
> after g.gui command):
> GRASS 7.0.svn> Traceback (most recent call last):
>   File "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\gui\wxpython\wxgui.py", line
> 34, in <module>
>     from lmgr.frame import GMFrame
>   File "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\gui\wxpython\lmgr\frame.py",
> line 69, in <module>
>     from lmgr.pyshell          import PyShellWindow
>   File
> "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\gui\wxpython\lmgr\pyshell.py", line
> 27, in <module>
>     import grass.pygrass as pygrass
>   File
> "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\python\grass\pygrass\__init__.py",
> line 17, in <module>
>     import modules
>   File
> "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\python\grass\pygrass\modules\__init__.py",
> line 11, in <module>
>     import grid
>   File
> "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\python\grass\pygrass\modules\grid\__init__.py",
> line 9, in <module>
>     import grid
>   File
> "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\python\grass\pygrass\modules\grid\grid.py",
> line 20, in <module>
>     _GREG = Module('g.region')
>   File
> "C:\OSGeo4W\apps\grass\grass-7.0.svn\etc\python\grass\pygrass\modules\interface\module.py",
> line 87, in __init__
>     raise GrassError(str_err % self.name)
> grass.pygrass.errors.GrassError: "Module 'g.region' not found, please check
> that the module exist"

IMHO it is a very bad idea to load pygrass together with the gui, as
bad as loading nviz or anything else that uses ctypes when the gui is
loaded. Anything that uses ctypes should be started upon user request
as a separate process. I am going to revert r55395 (tested on
Windows).

Markus M

>
> Therefore I've been using an older build (r55595-540) with which I have this
> curious vector layer deletion issue (which I'm sure I didn't have a few
> weeks ago at least). It doesn't matter whether I try to do it in a script or
> not, g.remove does not remove vector layers completely. It seems to get
> stuck with hist file. There is a chance though that the issue isn't apparent
> in a newer build.
> One probable solution would be moving on to Unix though.
>
> Allar
>
>
>
> On 10/04/2013 12:22, Pietro wrote:
>>
>> Hi Allar,
>>
>> On Tue, Apr 9, 2013 at 4:20 PM, Allar Haav <allar.haav at gmail.com> wrote:
>>>
>>> The GRASS 7 I'm running currently however is a week-old r55595-540 as the
>>> later ones have been giving the error regarding pygrass and g.region at
>>> startup. Could this be the key to my issue?
>>
>>
>> Can you provide the code that you are using?
>>
>> As I said in grass-dev[0], at the moment the shortcuts are not working
>> properly.
>>
>> Pietro
>>
>> [0] http://lists.osgeo.org/pipermail/grass-dev/2013-April/062894.html
>
>
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