On 13/09/18 16:59, Anna Petrášová wrote:
I can't reproduce it with the example from manual.
Ok, I'll try to see if I can create a reproducible test cast.
Moritz
It's obviously a ctypes problem, that's one of the issues I haven't been
able to solve, although I thought this comes up only with Python 3, not
2. That's why I wanted to branch 7.6 first because I knew it might take
some time to get these problem fixed in trunk.
On Thu, Sep 13, 2018 at 8:49 AM Moritz Lennert
<[email protected] <mailto:[email protected]>> wrote:
Hi Anna,
Any idea where this comes from ? It currently keeps me from using trunk.
Moritz
On 11/09/18 14:59, GRASS GIS wrote:
> #3641: python3/ctypes: ctypes.ArgumentError: argument 2: <type
> 'exceptions.TypeError'>: expected LP_struct_Cell_head instance
instead of
> LP_struct_Cell_head
> ----------------------------+-------------------------
> Reporter: mlennert | Owner: grass-dev@…
> Type: defect | Status: new
> Priority: normal | Milestone: 7.8.0
> Component: Python | Version: unspecified
> Keywords: Python3 ctypes | CPU: Unspecified
> Platform: Unspecified |
> ----------------------------+-------------------------
> In a script using i.cutlines which in turn uses GridModule I
suddenly get
> the following error using trunk:
>
> {{{
> Traceback (most recent call last):
> File "/home/mlennert/.grass7/addons/scripts/i.cutlines", line
673, in
> <module>
> main()
> File "/home/mlennert/.grass7/addons/scripts/i.cutlines", line
278, in
> main
> grd.run()
> File
"/data/home/mlennert/SRC/GRASS/grass_trunk/dist.x86_64-pc-linux-
> gnu/etc/python/grass/pygrass/modules/grid/grid.py", line 568,
in run
> self.patch()
> File
"/data/home/mlennert/SRC/GRASS/grass_trunk/dist.x86_64-pc-linux-
> gnu/etc/python/grass/pygrass/modules/grid/grid.py", line 609,
in patch
> self.start_row, self.start_col, self.out_prefix)
> File
"/data/home/mlennert/SRC/GRASS/grass_trunk/dist.x86_64-pc-linux-
> gnu/etc/python/grass/pygrass/modules/grid/patch.py", line 91, in
> rpatch_map
> rpatch_row(rast, rrasts, rbbox)
> File
"/data/home/mlennert/SRC/GRASS/grass_trunk/dist.x86_64-pc-linux-
> gnu/etc/python/grass/pygrass/modules/grid/patch.py", line 41, in
> rpatch_row
> sei = get_start_end_index(bboxes)
> File
"/data/home/mlennert/SRC/GRASS/grass_trunk/dist.x86_64-pc-linux-
> gnu/etc/python/grass/pygrass/modules/grid/patch.py", line 25, in
> get_start_end_index
> r_start, c_start = coor2pixel((bbox.west, bbox.north), reg)
> File
"/data/home/mlennert/SRC/GRASS/grass_trunk/dist.x86_64-pc-linux-
> gnu/etc/python/grass/pygrass/utils.py", line 180, in coor2pixel
> return (libraster.Rast_northing_to_row(north, region.byref()),
> ctypes.ArgumentError: argument 2: <type
'exceptions.TypeError'>: expected
> LP_struct_Cell_head instance instead of LP_struct_Cell_head
> }}}
>
> I do not have this error with 7.6.
>
>
>
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