我最近将 Python 2.7 安装到了 /usr/local/bin。现在，每次我尝试使用 apt-get 时，都会在某些 Python 包上失败，如下所示：
root@lebowski:/usr/local/bin# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
6 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Traceback (most recent call last):
File "/usr/bin/apt-listchanges", line 28, in <module>
import apt_pkg
ImportError: No module named apt_pkg
Setting up python-imaging (1.1.7-2) ...
Traceback (most recent call last):
File "/usr/local/bin/lib/python2.6/runpy.py", line 122, in _run_module_as_main
"__main__", fname, loader, pkg_name)
File "/usr/local/bin/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "/usr/local/bin/lib/python2.6/py_compile.py", line 168, in <module>
sys.exit(main())
File "/usr/local/bin/lib/python2.6/py_compile.py", line 160, in main
compile(filename, doraise=True)
File "/usr/local/bin/lib/python2.6/py_compile.py", line 115, in compile
f = open(file, 'U')
IOError: [Errno 2] No such file or directory: '-'
Traceback (most recent call last):
File "/usr/bin/pycompile", line 320, in <module>
main()
File "/usr/bin/pycompile", line 299, in main
options.force, options.optimize, e_patterns)
File "/usr/bin/pycompile", line 217, in compile
pipe.send(fn)
File "/usr/bin/pycompile", line 180, in py_compile
stdin.write(filename + '\n')
IOError: [Errno 32] Broken pipe
dpkg: error processing python-imaging (--configure):
subprocess installed post-installation script returned error exit status 1
Setting up python-lxml (2.2.8-2) ...
configured to not write apport reports
Traceback (most recent call last):
File "/usr/local/bin/lib/python2.6/runpy.py", line 122, in _run_module_as_main
"__main__", fname, loader, pkg_name)
File "/usr/local/bin/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "/usr/local/bin/lib/python2.6/py_compile.py", line 168, in <module>
sys.exit(main())
File "/usr/local/bin/lib/python2.6/py_compile.py", line 160, in main
compile(filename, doraise=True)
File "/usr/local/bin/lib/python2.6/py_compile.py", line 115, in compile
f = open(file, 'U')
IOError: [Errno 2] No such file or directory: '-'
Traceback (most recent call last):
File "/usr/bin/pycompile", line 320, in <module>
main()
File "/usr/bin/pycompile", line 299, in main
options.force, options.optimize, e_patterns)
File "/usr/bin/pycompile", line 217, in compile
pipe.send(fn)
File "/usr/bin/pycompile", line 180, in py_compile
stdin.write(filename + '\n')
IOError: [Errno 32] Broken pipe
dpkg: error processing python-lxml (--configure):
subprocess installed post-installation script returned error exit status 1
Setting up python-reportlab (2.4-4) ...
configured to not write apport reports
Traceback (most recent call last):
File "/usr/local/bin/lib/python2.6/runpy.py", line 122, in _run_module_as_main
"__main__", fname, loader, pkg_name)
File "/usr/local/bin/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "/usr/local/bin/lib/python2.6/py_compile.py", line 168, in <module>
sys.exit(main())
File "/usr/local/bin/lib/python2.6/py_compile.py", line 160, in main
compile(filename, doraise=True)
File "/usr/local/bin/lib/python2.6/py_compile.py", line 115, in compile
f = open(file, 'U')
IOError: [Errno 2] No such file or directory: '-'
Traceback (most recent call last):
File "/usr/bin/pycompile", line 320, in <module>
main()
File "/usr/bin/pycompile", line 299, in main
options.force, options.optimize, e_patterns)
File "/usr/bin/pycompile", line 217, in compile
pipe.send(fn)
File "/usr/bin/pycompile", line 180, in py_compile
stdin.write(filename + '\n')
IOError: [Errno 32] Broken pipe
dpkg: error processing python-reportlab (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of python-reportlab-accel:
python-reportlab-accel depends on python-reportlab (>= 2.4-4); however:
Package python-reportlab is not configured yet.
dpkg: error processing python-reportlab-accel (--configure):
dependency problems - leaving unconfigured
Setting up python-xapian (1.2.3-3) ...
configured to not write apport reports
configured to not write apport reports
Traceback (most recent call last):
File "/usr/bin/pycentral", line 2334, in <module>
main()
File "/usr/bin/pycentral", line 2328, in main
rv = action.run(global_options)
File "/usr/bin/pycentral", line 1477, in run
runtimes = get_installed_runtimes()
File "/usr/bin/pycentral", line 278, in get_installed_runtimes
default_version = pyversions.default_version(version_only=True)
File "/usr/share/pycentral-data/pyversions.py", line 172, in default_version
raise ValueError, "/usr/bin/python does not match the python default version. It must be reset to point to %s" % debian_default
ValueError: /usr/bin/python does not match the python default version. It must be reset to point to python2.6
dpkg: error processing python-xapian (--configure):
subprocess installed post-installation script returned error exit status 1
configured to not write apport reports
dpkg: dependency problems prevent configuration of rst2pdf:
rst2pdf depends on python-reportlab; however:
Package python-reportlab is not configured yet.
dpkg: error processing rst2pdf (--configure):
dependency problems - leaving unconfigured
configured to not write apport reports
Errors were encountered while processing:
python-imaging
python-lxml
python-reportlab
python-reportlab-accel
python-xapian
rst2pdf
E: Sub-process /usr/bin/dpkg returned an error code (1)
我尝试使用 2.6 或 2.7 作为我的默认版本，但这不会影响问题。这似乎是 dpkg 的一个问题，使用 dpkg --configure python 也无济于事。
我有点束手无策了，如果有人能对这个问题提供一些见解，我将不胜感激。
编辑：其他相关信息：
root@lebowski:/usr/local/bin# python -V
Python 2.6.9
root@lebowski:/usr/local/bin# ls -al /usr/bin/py*
-rwxr-xr-x 1 root root 3752 Sep 14 2010 /usr/bin/py3_compilefiles
-rwxr-xr-x 1 root root 95845 Sep 14 2010 /usr/bin/pycentral
-rwxr-xr-x 1 root root 4599 May 5 2012 /usr/bin/pyclean
-rwxr-xr-x 1 root root 12783 May 5 2012 /usr/bin/pycompile
-rwxr-xr-x 1 root root 3723 Sep 14 2010 /usr/bin/py_compilefiles
lrwxrwxrwx 1 root root 8 Aug 28 16:06 /usr/bin/pydoc -> pydoc2.6
-rwxr-xr-x 1 root root 79 Dec 26 2010 /usr/bin/pydoc2.6
lrwxrwxrwx 1 root root 12 Aug 28 16:06 /usr/bin/pygettext -> pygettext2.6
-rwxr-xr-x 1 root root 22103 Dec 26 2010 /usr/bin/pygettext2.6
-rwxr-xr-x 1 root root 67 Mar 20 2010 /usr/bin/pygmentize
lrwxrwxrwx 1 root root 24 Aug 28 16:06 /usr/bin/python -> /etc/alternatives/python
lrwxrwxrwx 1 root root 24 Aug 28 11:50 /usr/bin/python2.6 -> /usr/local/bin/python2.6
-rwxr-xr-x 1 root root 1452 Dec 26 2010 /usr/bin/python2.6-config
-rwxr-xr-x 1 root root 5606639 Dec 26 2010 /usr/bin/python2.6-dbg
-rwxr-xr-x 1 root root 1456 Dec 26 2010 /usr/bin/python2.6-dbg-config
lrwxrwxrwx 1 root root 24 Aug 28 13:31 /usr/bin/python2.7 -> /usr/local/bin/python2.7
lrwxrwxrwx 1 root root 16 Sep 19 2013 /usr/bin/python-config -> python2.6-config
-rwxr-xr-x 1 root root 4119 Jan 24 2009 /usr/bin/python_count
lrwxrwxrwx 1 root root 13 Sep 25 2013 /usr/bin/python-dbg -> python2.6-dbg
lrwxrwxrwx 1 root root 20 Sep 25 2013 /usr/bin/python-dbg-config -> python2.6-dbg-config
lrwxrwxrwx 1 root root 29 Aug 28 16:06 /usr/bin/pyversions -> ../share/python/pyversions.py
root@lebowski:/usr/local/bin# update-alternatives --config python
There are 2 choices for the alternative python (providing /usr/bin/python).
Selection Path Priority Status
------------------------------------------------------------
0 /usr/bin/python2.6 20 auto mode
* 1 /usr/bin/python2.6 20 manual mode
2 /usr/local/bin/python2.7 10 manual mode
root@lebowski:/usr/local/bin# ls -al py*
-rwxr-xr-x 1 root staff 84 Aug 28 11:29 pydoc
lrwxrwxrwx 1 root staff 9 Aug 28 13:54 python2 -> python2.7
-rwxr-xr-x 1 root staff 5325165 Aug 28 11:56 python2.6
-rwxr-xr-x 1 root staff 1424 Aug 28 11:56 python2.6-config
-rwxr-xr-x 1 root staff 5787340 Aug 28 13:54 python2.7
-rwxr-xr-x 1 root staff 1674 Aug 28 13:54 python2.7-config
lrwxrwxrwx 1 root staff 16 Aug 28 13:54 python2-config -> python2.7-config
lrwxrwxrwx 1 root staff 31 Aug 28 15:49 python-config -> /usr/local/bin/python2.6-config
环境输出：
DM_CONTROL=/var/run/xdmctl
SHELL=/bin/bash
TERM=xterm
XDM_MANAGED=method=classic
DERBY_HOME=/usr/lib/jvm/java-7-oracle/db
OLDPWD=/mnt/extHDD/apps/mpv-build
GTK_MODULES=canberra-gtk-module
USER=root
LS_COLORS=*.c=0;36:*.h=0;33:*.py=0;35:*.exp=0;34
MAIL=/var/mail/root
PATH=/usr/sbin:/usr/bin:/sbin:/bin
DESKTOP_SESSION=default
PWD=/usr/local/bin
JAVA_HOME=/usr/lib/jvm/java-7-oracle
LANG=en_GB.UTF-8
PS1=${debian_chroot:+($debian_chroot)}\u@\h:\w\$
HISTIGNORE=&:??:[ ]*:ls:clear:exit:logout
HISTCONTROL=ignoredups
SHLVL=2
HOME=/root
LANGUAGE=en_GB:en
LOGNAME=root
J2SDKDIR=/usr/lib/jvm/java-7-oracle
WINDOWPATH=7
DISPLAY=:0.0
J2REDIR=/usr/lib/jvm/java-7-oracle/jre
_=/usr/bin/env
编辑：根据要求，将 apt_pkg 导入 2.6/2.7 的结果
root@lebowski:/usr/local/bin# /usr/bin/python2.6
Python 2.6.9 (unknown, Aug 28 2014, 11:55:43)
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import apt_pkg
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named apt_pkg
>>>
root@lebowski:/usr/local/bin# /usr/bin/python2.7
Python 2.7.6 (default, Aug 28 2014, 13:52:26)
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import apt_pkg
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named apt_pkg
>>>