[tor-bugs] #28781 [Core Tor/Nyx]: nyx crash with traceback while browsing config

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#28781: nyx crash with traceback while browsing config
----------------------+------------------------------
 Reporter:  iquziev7  |          Owner:  atagar
     Type:  defect    |         Status:  new
 Priority:  Medium    |      Component:  Core Tor/Nyx
  Version:            |       Severity:  Normal
 Keywords:  config    |  Actual Points:
Parent ID:            |         Points:
 Reviewer:            |        Sponsor:
----------------------+------------------------------
 **Versions**:

 nyx: `2.0.4`    installed with pip
 stem: `1.7.0`   installed with pip
 tor: `0.3.4.9-1~bionic+1`    installed from apt repository at
 deb.torproject.org

 OS: Ubuntu GNU/Linux 18.04 Bionic

 **Configuration**:

 `/etc/tor/torrc`:


 {{{
 SOCKSPort 127.0.0.1:9050

 Log notice file /var/log/tor/notices.log

 CookieAuthentication 1
 DisableDebuggerAttachment 0

 ORPort 443

 BandwidthRate 4096 KBytes
 BandwidthBurst 5120 KBytes
 RelayBandwidthRate 4096 KBytes
 RelayBandwidthBurst 5120 KBytes

 ExitRelay 0
 ExitPolicy reject *:*

 HardwareAccel 1
 }}}

 `~/.nyx/config` - does not exist

 **Steps to reproduce**:

 * start nyx
 * press `m` to show menu
 * choose View - Config
 * press `a` to show all options
 * start scrolling down with key `down arrow` until the end
 * nyx crashes

 **Traceback**:

 {{{
 Traceback (most recent call last):
   File "/usr/local/bin/nyx", line 11, in <module>
     load_entry_point('nyx==2.0.4', 'console_scripts', 'nyx')()
   File "/usr/local/lib/python2.7/dist-packages/nyx/__init__.py", line 176,
 in main
     nyx.starter.main()
   File "/usr/local/lib/python2.7/dist-packages/stem/util/conf.py", line
 289, in wrapped
     return func(*args, config = config, **kwargs)
   File "/usr/local/lib/python2.7/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/python2.7/dist-packages/nyx/curses.py", line 217,
 in start
     curses.wrapper(_wrapper)
   File "/usr/lib/python2.7/curses/wrapper.py", line 43, in wrapper
     return func(stdscr, *args, **kwds)
   File "/usr/local/lib/python2.7/dist-packages/nyx/curses.py", line 215,
 in _wrapper
     function()
   File "/usr/local/lib/python2.7/dist-packages/nyx/__init__.py", line 243,
 in draw_loop
     keybinding.handle(key)
   File "/usr/local/lib/python2.7/dist-packages/nyx/panel/__init__.py",
 line 82, in handle
     self._action(key)
   File "/usr/local/lib/python2.7/dist-packages/nyx/panel/config.py", line
 232, in _scroll
     self.redraw()
   File "/usr/local/lib/python2.7/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/python2.7/dist-packages/nyx/curses.py", line 746,
 in draw
     func(_Subwindow(subwindow_width, subwindow_height, curses_subwindow))
   File "/usr/local/lib/python2.7/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/python2.7/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/python2.7/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/28781>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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