軟體中心立即崩潰，KeyError: ‘CODENAME’ onelementaryOS Luna

當我嘗試打開它時，我的軟體中心立即崩潰。在終端中，它看起來像這樣：

software-center
2014-08-29 17:44:29,262 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')'
2014-08-29 17:44:29,262 - root - ERROR - Could not find any typelib for Gst
2014-08-29 17:44:29,324 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
2014-08-29 17:44:29,329 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2014-08-29 17:44:29,489 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file
2014-08-29 17:44:29,559 - softwarecenter.ui.gtk3.app - INFO - show_available_packages: search_text is '', app is None.
2014-08-29 17:44:29,561 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
Traceback (most recent call last):
 File "/usr/bin/software-center", line 176, in <module>
   app.run(args)
 File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1422, in run
   self.show_available_packages(args)
 File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1352, in show_available_packages
   self.view_manager.set_active_view(ViewPages.AVAILABLE)
 File "/usr/share/software-center/softwarecenter/ui/gtk3/session/viewmanager.py", line 154, in set_active_view
   view_widget.init_view()
 File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 171, in init_view
   self.apps_filter)
 File "/usr/share/software-center/softwarecenter/ui/gtk3/views/catview_gtk.py", line 238, in __init__
   self.build(desktopdir)
 File "/usr/share/software-center/softwarecenter/ui/gtk3/views/catview_gtk.py", line 511, in build
   self._build_homepage_view()
 File "/usr/share/software-center/softwarecenter/ui/gtk3/views/catview_gtk.py", line 257, in _build_homepage_view
   self._append_banner_ads()
 File "/usr/share/software-center/softwarecenter/ui/gtk3/views/catview_gtk.py", line 372, in _append_banner_ads
   scagent.query_exhibits()
 File "/usr/share/software-center/softwarecenter/backend/scagent.py", line 119, in query_exhibits
   lang=get_language(), series=self.distro.get_codename())
 File "/usr/share/software-center/softwarecenter/distro/__init__.py", line 92, in get_codename
   self._distro_code_name = distro_info['CODENAME']
KeyError: 'CODENAME'

備註：在這發生之前的一段時間，我遇到了一些更新失敗的問題，如此處所述。在那里和其他地方，人們建議將某些 ppas 的“luna”更改為“precise”。我這樣做了，不是通過編輯文件，而是通過軟體中心。我懷疑軟體中心的問題是由於這個原因。但是，在 /etc/apt/sources.list.d/elementary.list 和 /etc/apt/sources.list.d/patches.list 中將“精確”改回“luna”不會使軟體中心再次工作但帶回了更新問題。

通過執行以下操作解決了它：

sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install --reinstall base-files=6.5ubuntu6.7+elementary8~ubuntu0.2.1

我不是專家，所以我無法解釋，但我在這裡找到了解決方案。似乎與 /etc/os-release 和 /etc/lsb-release 有關。在我嘗試上述解決方案之前，這些文件看起來像這樣：

cat /etc/os-release
NAME="Ubuntu"
VERSION="12.04.5 LTS, Precise Pangolin"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu precise (12.04.5 LTS)"
VERSION_ID="12.04"

cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.5 LTS"

之後他們看起來像這樣：

cat /etc/os-release
NAME="elementary OS"
VERSION="0.2.1 Luna"
ID="elementary OS"
ID_LIKE=ubuntu
PRETTY_NAME="elementary OS Luna"
VERSION_ID="0.2.1"

cat /etc/lsb-release
DISTRIB_ID="elementary OS"
DISTRIB_RELEASE=0.2.1
DISTRIB_CODENAME=luna
DISTRIB_DESCRIPTION="elementary OS Luna"

此外，它還解決了我遇到的另一個問題，即添加 ppas！

引用自：https://unix.stackexchange.com/questions/152930