[Discuss-gnuradio] grc and wxpython >=3.0

[djch-gnuradio]

There are several reports of the wx version of the gnuradio gui not starting 
with 3.0 and later wxpython. I believe 

http://trac.wxwidgets.org/ticket/16034

confirms that no upstream fix is planned.

I suggest a simple and very ugly work-around:

in  /usr/lib/python2.7/site-packages/gnuradio/grc/python/flow_graph.tmpl , 
after 

self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

insert 

self.Start(start=False)

This seems to work - it should have the necessary graphical elements ready 
before the gui blocks are initialised. start=False prevents the thread being 
started, a later call to Run() has start=True, and this starts the thread.

(I have the python2-opengl library installed, and this fix works for GNU Radio 
Companion 3.7.6)

--David
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