Hello Till, or anyone else affected,

Accepted system-config-printer into utopic-proposed. The package will
build now and be available at http://launchpad.net/ubuntu/+source
/system-config-printer/1.5.1+20141010-0ubuntu2.2 in a few hours, and
then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

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

** Tags added: verification-needed

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to system-config-printer in Ubuntu.
https://bugs.launchpad.net/bugs/1397750

Title:
  Not able to install packages using the PackageKit D-Bus API

Status in aptdaemon package in Ubuntu:
  New
Status in system-config-printer package in Ubuntu:
  Fix Released
Status in aptdaemon source package in Utopic:
  New
Status in system-config-printer source package in Utopic:
  Fix Committed

Bug description:
  I am on Ubuntu Utopic (14.10) and want to do the following, preferably
  with a Python script.

  I want to install a printer driver package from Epson (which is
  available as both DEB and RPM) through its apt or yum repository so that
  future updates get installed automatically through the distro's update
  mechanism. I also want to assure by means of a key fingerprint that
  repository and package are really from Epson.

  The package name for example is

  epson-inkjet-printer-escpr

  The key fingerprint is

  E5220FB7014D0FBDA50DFC2BE5E86C008AA65D56

  and the Debian package repository is

  deb http://download.ebz.epson.net/dsc/op/stable/debian/ lsb3.2 main

  This data is polled from OpenPrinting:

  
https://www.openprinting.org/query.cgi?moreinfo=1&showprinterid=1&onlynewestdriverpackages=0&architectures=amd64&noobsoletes=1&onlyfree=0&onlymanufacturer=0&onlydownload=1&packagesystem=deb&onlysigneddriverpackages=0&format=xml&type=drivers&printer=MFG:EPSON;MDL
  :EP-801A%20Series;DES:EPSON%20EP-801A%20Series;CLS:PRINTER;

  One can replace the packagesystem=deb in the URL by packagesystem=rpm
  for RPM-based distros.

  Now I run a script of system-config-printer,
  /usr/share/system-config-printer/install-printerdriver.py via the command

  install-printerdriver 'epson-inkjet-printer-escpr' 'deb
  http://download.ebz.epson.net/dsc/op/stable/debian/ lsb3.2 main'
  'E5220FB7014D0FBDA50DFC2BE5E86C008AA65D56'

  Or by pasting the commands at the python prompt:

  till@till-twist:~$ python3
  Python 3.4.2 (default, Oct  8 2014, 13:08:17) 
  [GCC 4.9.1] on linux
  Type "help", "copyright", "credits" or "license" for more information.
  >>> from gi.repository import GLib, PackageKitGlib
  >>> import sys
  >>> def progress(progress, type, user_data):
  ...    pass
  ... 
  >>> package = 'epson-inkjet-printer-escpr'
  >>> repo = 'deb http://download.ebz.epson.net/dsc/op/stable/debian/ lsb3.2 
main'
  >>> repo_gpg_id = 'E5220FB7014D0FBDA50DFC2BE5E86C008AA65D56'
  >>> pk = PackageKitGlib.Client()
  >>> res = pk.install_signature(PackageKitGlib.SigTypeEnum.GPG, repo_gpg_id, 
'', None, progress, None)
  >>> res.get_exit_code()
  <enum PK_EXIT_ENUM_SUCCESS of type PkExitEnum>
  >>> res = pk.resolve(PackageKitGlib.FilterEnum.NONE, [package], None, lambda 
p, t, d: True, None)
  Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
  GLib.Error: pk_client_error: Package name epson-inkjet-printer-escpr could 
not be resolved. (263)
  >>> res = pk.repo_enable(repo, True, None, progress, None)
  >>> res = pk.refresh_cache(False, None, progress, None)
  >>> res = pk.resolve(PackageKitGlib.FilterEnum.NONE, [package], None, lambda 
p, t, d: True, None)
  >>> package_ids = res.get_package_array()
  >>> package_id = package_ids[0].get_id()
  >>> package_id
  'epson-inkjet-printer-escpr;1.4.1-1lsb3.2;amd64;printdriver'
  >>> package_ids[0].get_info() & PackageKitGlib.InfoEnum.INSTALLED
  0
  >>> res = pk.install_packages(True, [package_id], None, progress, None)
  Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
  GLib.Error: pk_client_error: The version 1.4.1-1lsb3.2/printdriver of 
epson-inkjet-printer-escpr isn't available. (263)
  >>> res = pk.install_packages(True, 
['epson-inkjet-printer-escpr;1.4.1-1lsb3.2;amd64;'], None, progress, None)
  >>> res = pk.get_files([package_id], None, progress, None)
  >>> files = res.get_files_array()
  >>>

  The problem is that the step of actually installing the package ("res
  = pk.install_packages(..)") errors. It says:

  The version 1.4.1-1lsb3.2/printdriver of epson-inkjet-printer-escpr
  isn't available.

  So the version number is messed up ("/printdriver" added) and
  therefore the package not found. If I manipulate the package ID
  somewhat, removing the "printdriver" in the end, the package
  installation works (I have checked in another terminal that the
  package got actually installed).

  The same error occurs with "pkcon install epson-inkjet-printer-escpr"
  on the command line.

  The problem seems not to be caused by the transition from Python 2 to
  Python3. I can paste the command sequence above also into Python 2 and
  get the same results.

  Please check whether this is really caused by aptdemon, perhaps it can
  also be the PackageKit client.

  Yje bug makes the automatic printer driver installation by system-
  config-printer not working any more, therefore i set its importance to
  "High".

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