[tor-bugs] #24401 [Core Tor/Nyx]: Nyx crashed when scrolling down on the Tor Configuration File page

[Tor Bug Tracker & Wiki]

#24401: Nyx crashed when scrolling down on the Tor Configuration File page
-------------------------------+--------------------
     Reporter:  Dbryrtfbcbhgf  |      Owner:  atagar
         Type:  defect         |     Status:  new
     Priority:  High           |  Milestone:
    Component:  Core Tor/Nyx   |    Version:
     Severity:  Major          |   Keywords:
Actual Points:                 |  Parent ID:
       Points:                 |   Reviewer:
      Sponsor:                 |
-------------------------------+--------------------
 Nyx crashed when scrolling down on the Tor Configuration File page. Here
 is the traceback.

 {{{
 File "/usr/local/bin/nyx", line 11, in <module>

     sys.exit(main())

   File "/usr/local/lib/python3.5/dist-packages/nyx/__init__.py", line 176,
 in main

     nyx.starter.main()

   File "/usr/local/lib/python3.5/dist-packages/stem/util/conf.py", line
 289, in wrapped

     return func(*args, config = config, **kwargs)

   File "/usr/local/lib/python3.5/dist-packages/nyx/starter.py", line 118,
 in main

     nyx.curses.start(nyx.draw_loop, acs_support =
 config.get('acs_support', True), transparent_background = True, cursor =
 False)

   File "/usr/local/lib/python3.5/dist-packages/nyx/curses.py", line 217,
 in start

     curses.wrapper(_wrapper)

   File "/usr/lib/python3.5/curses/__init__.py", line 94, in wrapper

     return func(stdscr, *args, **kwds)

   File "/usr/local/lib/python3.5/dist-packages/nyx/curses.py", line 215,
 in _wrapper

     function()

   File "/usr/local/lib/python3.5/dist-packages/nyx/__init__.py", line 243,
 in draw_loop

     keybinding.handle(key)

   File "/usr/local/lib/python3.5/dist-packages/nyx/panel/__init__.py",
 line 82, in handle

     self._action(key)

   File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line
 232, in _scroll

     self.redraw()

   File "/usr/local/lib/python3.5/dist-packages/nyx/panel/__init__.py",
 line 175, in redraw

     self._last_draw_size = nyx.curses.draw(self._draw, top = self._top,
 height = self.get_height(), draw_if_resized = draw_dimension)

   File "/usr/local/lib/python3.5/dist-packages/nyx/curses.py", line 746,
 in draw

     func(_Subwindow(subwindow_width, subwindow_height, curses_subwindow))

   File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line
 315, in _draw

     _draw_line(subwindow, scroll_offset, DETAILS_HEIGHT + i, entry, entry
 == selected, value_width, description_width)

   File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line
 335, in _draw_line

     attr = [CONFIG['attr.config.category_color'].get(entry.category,
 WHITE)]

   File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line
 136, in category

     return getattr(manual(self.name), 'category')

 AttributeError: 'NoneType' object has no attribute 'category'
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24401>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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