desktop-packages team mailing list archive

[Till Kamppeter <1400232@xxxxxxxxxxxxxxxxxx>]

Uploaded packages fixing bug 1398444, bug 1400232, and bug 1401835 to
trusty-proposed and utopic-proposed. As soon as the packages are
approved they will be available for download and testing and
instructions will get posted here. Please test the packages and give
your feedback here, otherwise they will not get available as official
update.

** Changed in: system-config-printer (Ubuntu Trusty)
       Status: Triaged => In Progress

** Changed in: system-config-printer (Ubuntu Utopic)
       Status: Triaged => In Progress

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https://bugs.launchpad.net/bugs/1400232

Title:
  system-config-printer crash UnicodeDecodeError: 'utf-8' codec can't
  decode byte 0xe9 in position 1441: invalid continuation byte (only
  UTF-8-encoded PPD files can be used)

Status in system-config-printer package in Ubuntu:
  Fix Released
Status in system-config-printer source package in Trusty:
  In Progress
Status in system-config-printer source package in Utopic:
  In Progress

Bug description:
  system-config-printer crash with the following traceback :

  sramage@japc09:~$ system-config-printer
  Traceback (most recent call last):
    File "/usr/share/system-config-printer/asyncipp.py", line 191, in send_reply
      handler (self._conn, result)
    File "/usr/share/system-config-printer/asyncpk1.py", line 164, in _ipp_reply_handler
      self._client_reply_handler (self._conn, *args)
    File "/usr/share/system-config-printer/asyncconn.py", line 91, in reply_handler
      self._reply_handler (self, self._reply_data, *args)
    File "/usr/share/system-config-printer/asyncconn.py", line 209, in _subst_reply_handler
      reply_handler (self, *args)
    File "/usr/share/system-config-printer/ppdcache.py", line 79, in <lambda>
      self._got_ppd3 (c, name, r, callback),
    File "/usr/share/system-config-printer/ppdcache.py", line 153, in _got_ppd3
      self.fetch_ppd (name, callback, check_uptodate=False)
    File "/usr/share/system-config-printer/ppdcache.py", line 90, in fetch_ppd
      tmpf.writelines (f.readlines ())
    File "/usr/lib/python3.4/codecs.py", line 313, in decode
      (result, consumed) = self._buffer_decode(data, self.errors, final)
  UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 1441: invalid continuation byte

  [Impact]

  It is impossible to set up or manipulate a printer with a PPD file
  which is not UTF-8-encoded and no plain ASCII. Even worse, if such a
  PPD is installed into the system's PPD repository, the corresponding
  printer(s) will not auto-setup.

  [Test Case]

  Take a PPD file which is not UTF-8-encoded, for example a PPD file for
  Windows with Windows-1252 encoding. Try to set up a que with it or to
  change an existing queue to use it by means of system-config-printer.
  system-config-printer will crash.

  With the proposed package the PPD can be used without problems.

  [Regression Potential]

  The changes are very simple and therefore the regression potential is
  low.

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