[GRASS-dev] [GRASS GIS] #3753: g.gui.tplot and g.gui.timeline: AttributeError: 'itertools.cycle' object has no attribute 'next'

[GRASS GIS]

#3753: g.gui.tplot and g.gui.timeline: AttributeError: 'itertools.cycle' object
has no attribute 'next'
-------------------------------+-------------------------
 Reporter:  veroandreo         |      Owner:  grass-dev@…
     Type:  defect             |     Status:  new
 Priority:  normal             |  Milestone:  7.8.0
Component:  wxGUI              |    Version:  svn-trunk
 Keywords:  temporal, python3  |        CPU:  Unspecified
 Platform:  Linux              |
-------------------------------+-------------------------
 I encountered this error when running G7:g.gui.tplot and G7:g.gui.timeline
 under python 3 in a viartualenv:

 {{{
 g.gui.tplot strds=A coordinates=634816.901408,225066.901408
 20:15:54: Debug: Adding duplicate image handler for 'Windows bitmap file'
 Traceback (most recent call last):
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/scripts/g.gui.tplot", line 175, in <module>
     main()
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/scripts/g.gui.tplot", line 162, in main
     ylabel, csvfile, flags['h'], gscript .overwrite)
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/gui/wxpython/tplot/frame.py", line 1020, in SetDatasets
     self._redraw()
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/gui/wxpython/tplot/frame.py", line 900, in _redraw
     self._drawFigure()
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/gui/wxpython/tplot/frame.py", line 623, in _drawFigure
     self.drawR()
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/gui/wxpython/tplot/frame.py", line 689, in drawR
     color = self.colors.next()
 AttributeError: 'itertools.cycle' object has no attribute 'next'
 WARNING:root:Needed to restart the libgis server, caller: Server check
 thread
 }}}

 and

 {{{
 g.gui.timeline inputs=A
 Traceback (most recent call last):
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/scripts/g.gui.timeline", line 68, in <module>
     main()
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/scripts/g.gui.timeline", line 61, in main
     frame.SetDatasets(datasets)
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/gui/wxpython/timeline/frame.py", line 519, in SetDatasets
     self._redraw()
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/gui/wxpython/timeline/frame.py", line 418, in _redraw
     self._draw2dFigure()
   File "/home/veroandreo/software/grass7_trunk/dist.x86_64-pc-linux-
 gnu/gui/wxpython/timeline/frame.py", line 351, in _draw2dFigure
     color = colors.next()
 AttributeError: 'itertools.cycle' object has no attribute 'next'
 WARNING:root:Needed to restart the libgis server, caller: Server check
 thread
 }}}

 To reproduce in NC location:

 {{{
 g.region raster=elevation
 for map in `seq 1 10` ; do r.mapcalc "prueba_${map} = ${map}" ; done
 t.create output=A type=strds temporaltype=absolute title="test"
 description="test"
 t.register input=A maps=`g.list rast pat=prueba* sep=, map=.`
 start="2000-01-01" increment="1 months" -i
 g.gui.timeline inputs=A
 g.gui.tplot strds=A coordinates=634816.901408,225066.901408
 }}}

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/3753>
GRASS GIS <https://grass.osgeo.org>