[Bug 972710] Re: Cancel an installation (deny to give the password) keep application's icon in the launcher

[Michael Vogt]

I added a aptdaemon task as it appears that aptdaemon does not send a "Finished" signal on authentication cancel. 
We could workaround this via something like:
=== modified file 'softwarecenter/backend/installbackend_impl/aptd.py'
--- softwarecenter/backend/installbackend_impl/aptd.py	2012-04-10 14:52:59 +0000
+++ softwarecenter/backend/installbackend_impl/aptd.py	2012-04-17 09:25:02 +0000
@@ -945,6 +945,9 @@
             self._on_trans_error(error, pkgname)
             # on error we need to clean the pending purchases
             self._clean_pending_purchases(pkgname)
+            # ensure the transaction is also canceled inside aptdaemon, 
+            # this should actually happen inside aptdaemon I guess
+            trans.cancel()
         # on success the pending purchase is cleaned when the package
         # that was purchased finished installing
         if trans.role == enums.ROLE_INSTALL_PACKAGES:

or by sending the signal after successful authentication. I will wait for glatzors input if there
is a reason not to do it inside aptdaemon itself.

** Also affects: aptdaemon (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/972710

Title:
  Cancel an installation (deny to give the password) keep application's
  icon in the launcher

Status in “aptdaemon” package in Ubuntu:
  New
Status in “software-center” package in Ubuntu:
  In Progress

Bug description:
  Ubuntu 12.04 beta 32bits
  All packages up to date (03 april)

  Open the software center
  Select an app (me : pitivi)
  Ask to install
  When a dialog ask you your passwd, close the dialog : the installation is cancelled

  => The application's icon keep displayed in the bottom of the launcher
  !

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