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Groups > linux.debian.bugs.dist > #803858

Bug#853210: Crashes with "_curses.error: cbreak() returned ERR"

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Package: urlscan
Version: 0.8.2-1
Severity: important

Piping many (most?) multipart/alternatives messages with a text/html entry to
urlscan produces the following crash:

-------------8<-------------------
Traceback (most recent call last):                                                                                                                                                                                                                 2017-01-30 11:01:38 rak pts/4
  File "/usr/lib/python3/dist-packages/urwid/display_common.py", line 763, in run_wrapper
    return fn()
  File "/usr/lib/python3/dist-packages/urlscan/urlchoose.py", line 171, in run
    keys = self.ui.get_input()
  File "/usr/lib/python3/dist-packages/urwid/curses_display.py", line 277, in get_input
    keys, raw = self._get_input( self.max_tenths )
  File "/usr/lib/python3/dist-packages/urwid/curses_display.py", line 314, in _get_input
    key = self._getch(wait_tenths)
  File "/usr/lib/python3/dist-packages/urwid/curses_display.py", line 188, in _getch
    curses.cbreak()
_curses.error: cbreak() returned ERR

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/urlscan", line 135, in <module>
    ui.main()
  File "/usr/lib/python3/dist-packages/urlscan/urlchoose.py", line 162, in main
    return self.ui.run_wrapper(self.run)
  File "/usr/lib/python3/dist-packages/urwid/display_common.py", line 763, in run_wrapper
    return fn()
  File "/usr/lib/python3/dist-packages/urwid/util.py", line 474, in __exit__
    self._wrapped.stop()
  File "/usr/lib/python3/dist-packages/urwid/display_common.py", line 750, in stop
    self._stop()
  File "/usr/lib/python3/dist-packages/urwid/curses_display.py", line 145, in _stop
    self.tty_signal_keys(*self._old_signal_keys)
  File "/usr/lib/python3/dist-packages/urwid/display_common.py", line 705, in tty_signal_keys
    termios.tcsetattr(fileno, termios.TCSADRAIN, tattr)
termios.error: (5, 'Input/output error')
-------------8<-------------------

This renders the package relatively unusable.

-- System Information:
Debian Release: 9.0
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'unstable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.9.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_CA.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages urlscan depends on:
ii  libcanberra-gtk3-module  0.30-3
ii  python3-urwid            1.3.1-2+b1
pn  python3:any              <none>

urlscan recommends no packages.

Versions of packages urlscan suggests:
ii  chromium [www-browser]              55.0.2883.75-6
ii  firefox-esr [www-browser]           45.7.0esr-1
ii  google-chrome-stable [www-browser]  56.0.2924.76-1
ii  lynx [www-browser]                  2.8.9dev11-1
ii  mutt                                1.7.2-1
ii  uzbl [www-browser]                  0.0.0~git.20120514-1.2
ii  w3m [www-browser]                   0.5.3-34

-- no debconf information

-- 
|_)|_/  Ryan Kavanagh      | GPG: 4E46 9519 ED67 7734 268F
| \| \  https://ryanak.ca/ |      BD95 8F7B F8FC 4A11 C97A

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Bug#853210: Crashes with "_curses.error: cbreak() returned ERR" Ryan Kavanagh <rak@debian.org> - 2017-01-30 17:20 +0100

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