Logs of the SC run:

nessita@dali:~/canonical/software-store/trunk$ PYTHONPATH=. ./software-center
2012-04-12 16:17:19,039 - softwarecenter - INFO - Using data (UI, xapian) from current dir
2012-04-12 16:17:19,473 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
2012-04-12 16:17:19,511 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2012-04-12 16:17:19,796 - softwarecenter.ui.gtk3.app - INFO - building local database
2012-04-12 16:17:22,474 - softwarecenter.db.update - WARNING - The file: '/usr/share/app-install/desktop/kde-telepathy-send-file:kde4__ktp-send-file.desktop' could not be read correctly. The application associated with this file will not be included in the software catalog. Please consider raising a bug report for this issue with the maintainer of that application
2012-04-12 16:17:41,486 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2012-04-12 16:17:41,772 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file
2012-04-12 16:18:19,452 - softwarecenter.ui.gtk3.app - INFO - software-center-agent finished with status 0
2012-04-12 16:18:19,453 - softwarecenter.db.database - INFO - reopen() database
2012-04-12 16:18:19,453 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2012-04-12 16:36:11,789 - softwarecenter.backend - INFO - add_repo_add_key_and_install_app() 'private-ppa.launchpad.net/commercial-ppa-uploaders/bobby/ubuntu precise main' '1024R/75254D99' 'Bobby,bobby'
2012-04-12 16:36:17,430 - softwarecenter.backend - INFO - add_sources_list_entry()
2012-04-12 16:36:17,701 - softwarecenter.backend - INFO - add_vendor_key_from_keyserver()
2012-04-12 16:36:19,911 - softwarecenter.backend - INFO - reload_for_commercial_repo()
2012-04-12 16:36:19,912 - softwarecenter.backend - INFO - _reload_for_commercial_repo() Bobby,bobby
/usr/lib/python2.7/dist-packages/gi/types.py:43: Warning: value "101.000000" of type `gdouble' is invalid or out of range for property `value' of type `gint'
  return info.invoke(*args, **kwargs)
/home/nessita/canonical/software-store/trunk/softwarecenter/db/pkginfo_impl/aptcache.py:41: Warning: value "101.000000" of type `gdouble' is invalid or out of range for property `value' of type `gint'
  context.iteration()
2012-04-12 16:36:46,535 - softwarecenter.backend - INFO - _on_reload_for_add_repo_and_install_app_finished() <AptTransaction object at 0x6bc1e10 (aptdaemon+client+AptTransaction at 0x3bfba40)> False Bobby,bobby
2012-04-12 16:36:46,536 - softwarecenter.backend - INFO - looking for '/var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg'
2012-04-12 16:36:46,536 - softwarecenter.backend - WARNING - no /var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg found, re-trying
2012-04-12 16:36:46,536 - softwarecenter.backend - INFO - queuing reload in 30s
2012-04-12 16:37:17,201 - softwarecenter.backend - INFO - _reload_for_commercial_repo() Bobby,bobby
2012-04-12 16:37:39,434 - softwarecenter.backend - INFO - _on_reload_for_add_repo_and_install_app_finished() <AptTransaction object at 0x597f690 (aptdaemon+client+AptTransaction at 0x6137280)> False Bobby,bobby
2012-04-12 16:37:39,434 - softwarecenter.backend - INFO - looking for '/var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg'
2012-04-12 16:37:39,434 - softwarecenter.backend - WARNING - no /var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg found, re-trying
2012-04-12 16:37:39,434 - softwarecenter.backend - INFO - queuing reload in 30s
2012-04-12 16:38:09,201 - softwarecenter.backend - INFO - _reload_for_commercial_repo() Bobby,bobby
2012-04-12 16:38:30,687 - softwarecenter.backend - INFO - _on_reload_for_add_repo_and_install_app_finished() <AptTransaction object at 0x59a44b0 (aptdaemon+client+AptTransaction at 0x64820a0)> False Bobby,bobby
2012-04-12 16:38:30,687 - softwarecenter.backend - INFO - looking for '/var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg'
2012-04-12 16:38:30,688 - softwarecenter.backend - WARNING - no /var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg found, re-trying
2012-04-12 16:38:30,688 - softwarecenter.backend - INFO - queuing reload in 30s
2012-04-12 16:39:01,200 - softwarecenter.backend - INFO - _reload_for_commercial_repo() Bobby,bobby
2012-04-12 16:39:22,826 - softwarecenter.backend - INFO - _on_reload_for_add_repo_and_install_app_finished() <AptTransaction object at 0x59a5c80 (aptdaemon+client+AptTransaction at 0x5bb5780)> False Bobby,bobby
2012-04-12 16:39:22,826 - softwarecenter.backend - INFO - looking for '/var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg'
2012-04-12 16:39:22,826 - softwarecenter.backend - WARNING - no /var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg found, re-trying
2012-04-12 16:39:22,826 - softwarecenter.backend - INFO - queuing reload in 30s
2012-04-12 16:39:53,201 - softwarecenter.backend - INFO - _reload_for_commercial_repo() Bobby,bobby
2012-04-12 16:40:07,105 - softwarecenter.backend - INFO - _on_reload_for_add_repo_and_install_app_finished() <AptTransaction object at 0x587b370 (aptdaemon+client+AptTransaction at 0x66b5c80)> True Bobby,bobby
2012-04-12 16:40:07,106 - softwarecenter.backend - INFO - looking for '/var/lib/apt/lists/private-ppa.launchpad.net_commercial-ppa-uploaders_bobby_ubuntu_dists_precise_Release.gpg'
2012-04-12 16:40:07,106 - softwarecenter.db.database - INFO - reopen() database
2012-04-12 16:40:07,107 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2012-04-12 16:40:07,251 - softwarecenter.backend - INFO - install_package()
2012-04-12 16:40:07,753 - softwarecenter.backend - INFO - run_transaction()
2012-04-12 16:40:50,171 - softwarecenter.db.database - INFO - reopen() database
2012-04-12 16:40:50,172 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2012-04-12 16:40:51,121 - softwarecenter.db.database - INFO - afile '<__main__.GLocalFile object at 0x50c0a00 (GLocalFile at 0x67b4ec0)>' changed
2012-04-12 16:40:51,622 - softwarecenter.db.database - INFO - reopen() database
2012-04-12 16:40:51,623 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied