[Urwid] still very confused (error makes no sense)

[Eric S. Johansson]

esj at piedoggie:~/projects/2red$ python redui.py
Traceback (most recent call last):
   File "redui.py", line 288, in ?
     td.main()
   File "redui.py", line 133, in main
     self.ui.run_wrapper( self.run )
   File "/home/esj/projects/2red/urwid/curses_display.py", line 177, in 
run_wrapper
     return fn()
   File "redui.py", line 139, in run
     self.draw_screen( size )
   File "redui.py", line 150, in draw_screen
     canvas = self.top.render( size, focus=True )
   File "/home/esj/projects/2red/urwid/listbox.py", line 235, in render
     middle, top, bottom = self.calculate_visible(
   File "/home/esj/projects/2red/urwid/listbox.py", line 134, in 
calculate_visible
     offset_rows, inset_rows = self.get_focus_offset_inset(
   File "/home/esj/projects/2red/urwid/listbox.py", line 537, in 
get_focus_offset_inset
     focus_rows = focus_widget.rows((maxcol,), True)
AttributeError: 'list' object has no attribute 'rows'
esj at piedoggie:~/projects/2red$

I didn't verify that at this point that yes it truly is getting a list I 
don't know how it's getting a list or why.  I thought I was copying the 
example model correctly but obviously I've missed something.

and the appropriate bit of code (I think)


     def __init__(self):

         syslog("__init__")
         self.current_color = 'GREEN'
         self.edit_array = {}
         if os.path.isdir("./ipcop"):
             self.system = configuration("ethernet", 'settings', "r+", 
"./ipcop")
             self.alt_red = configuration("ethernet", 'altsettings', 
"r+", "./ipcop")
         else:
             self.system = configuration("ethernet", 'settings', "r+")
             self.alt_red = configuration("ethernet", 'altsettings', "r+")


         self.translate_color = {}
         radio_group = []
         self.l = []
         # each button has attributes
         for networks in ['GREEN','ORANGE','BLUE','RED','ALT']:
             # set up a color to index translation for handling button 
presses
             self.translate_color[networks] = len(self.l)

             b = urwid.RadioButton( radio_group, networks,
                                    on_state_change = self.location_select )
             b.network_list = {}
             b.network_list = self.color_keys(networks)
             self.l.append( b )

         # gridflow controls buttons layout
         # self.location_select( l[0], True )
         #print "ccc",self.l[0].network_list
         location = urwid.GridFlow( self.l, 15, 2, 0, 'left' )
         self.items=[]
         self.base_items = [ location, urwid.Divider()]
         #print "ccc",self.l[0].network_list

         self.items.append(self.base_items )
         for key,item in self.l[0].network_list.items():

             self.color_net = urwid.Edit(key,item)
             # one_row = urwid.Columns([('fixed', 15, self.color_net)])
             one_row = ('fixed', 15, self.color_net)
             self.items.append(one_row )

         self.location_select(self.l[0], True)
         self.listbox = urwid.ListBox( self.items )

         self.top = self.listbox


     def location_select( self, button, state ):
         if not state:
             return
         return
         del self.items[2:]
         index = self.translate_color[button.get_label()]
         b = self.l[index]
         #print "CCCCC: ",b

         for key,item in self.l[index].network_list.items():

             self.color_net = urwid.Edit(key,item)
             one_row = urwid.Columns([('fixed', 15, self.color_net)])
             self.items.append(one_row )


     def main(self):
         self.ui = urwid.curses_display.Screen()
         self.ui.run_wrapper( self.run )

     def run(self):
         size = self.ui.get_cols_rows()

         while True:
             self.draw_screen( size )
             keys = self.ui.get_input()
             for k in keys:
                 if k == "window resize":
                     size = self.ui.get_cols_rows()
                     continue
                 if k == "q":
                     return
                 self.top.keypress( size, k )

     def draw_screen(self, size):
         canvas = self.top.render( size, focus=True )
         self.ui.draw_screen( size, canvas )