패키지 관리 시 "ImportError: _struct라는 모듈이 없습니다" 오류

저는 Elementary OS 0.2(Ubuntu 12.04 기반)를 실행하고 있으며 오늘부터 패키지를 설치/업그레이드하려고 할 때 이상한 오류가 표시됩니다. 방금 예를 만들었습니다.

sudo apt-get update

훌륭하게 작동하면 다음과 같습니다.

sudo apt-get upgrade

다음을 반환해 보세요.

Setting up idle-python2.7 (2.7.3-0ubuntu3.5) ...
Traceback (most recent call last):
  File "/usr/lib/python2.7/compileall.py", line 16, in <module>
    import struct
  File "/usr/lib/python2.7/struct.py", line 1, in <module>
    from _struct import *
ImportError: No module named _struct
dpkg: error processing idle-python2.7 (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 idle-python2.7
E: Sub-process /usr/bin/dpkg returned an error code (1)

무슨 일이야? 분명히 이것은 패키지와 관련이 있지만 python여전히 python문제 없이 스크립트를 실행할 수 있습니다. 이 문제를 어떻게 해결할 수 있나요?

---

다음에 추가

내가 시도한 답변에 제공된 조언에 따라:

sudo apt-get --reinstall install python python-support

이는 다음을 반환합니다:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 2 reinstalled, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0 B/192 kB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 864980 files and directories currently installed.)
Preparing to replace python 2.7.3-0ubuntu2.2 (using .../python_2.7.3-0ubuntu2.2_i386.deb) ...
Unpacking replacement python ...
Preparing to replace python-support 1.0.14ubuntu2 (using .../python-support_1.0.14ubuntu2_all.deb) ...
Unpacking replacement python-support ...
Processing triggers for man-db ...
Processing triggers for doc-base ...
Processing 1 changed doc-base file...
Registering documents with scrollkeeper...
Setting up idle-python2.7 (2.7.3-0ubuntu3.5) ...
Traceback (most recent call last):
  File "/usr/lib/python2.7/compileall.py", line 16, in <module>
    import struct
  File "/usr/lib/python2.7/struct.py", line 1, in <module>
    from _struct import *
ImportError: No module named _struct
dpkg: error processing idle-python2.7 (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up python (2.7.3-0ubuntu2.2) ...
Setting up python-support (1.0.14ubuntu2) ...
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site.py", line 548, in <module>
    main()
  File "/usr/local/lib/python2.7/site.py", line 530, in main
    known_paths = addusersitepackages(known_paths)
  File "/usr/local/lib/python2.7/site.py", line 266, in addusersitepackages
    user_site = getusersitepackages()
  File "/usr/local/lib/python2.7/site.py", line 241, in getusersitepackages
    user_base = getuserbase() # this will also set USER_BASE
  File "/usr/local/lib/python2.7/site.py", line 231, in getuserbase
    USER_BASE = get_config_var('userbase')
  File "/usr/local/lib/python2.7/sysconfig.py", line 516, in get_config_var
    return get_config_vars().get(name)
  File "/usr/local/lib/python2.7/sysconfig.py", line 449, in get_config_vars
    import re
  File "/usr/local/lib/python2.7/re.py", line 105, in <module>
    import sre_compile
  File "/usr/local/lib/python2.7/sre_compile.py", line 14, in <module>
    import sre_parse
  File "/usr/local/lib/python2.7/sre_parse.py", line 17, in <module>
    from sre_constants import *
  File "/usr/local/lib/python2.7/sre_constants.py", line 18, in <module>
    from _sre import MAXREPEAT
ImportError: cannot import name MAXREPEAT
Errors were encountered while processing:
 idle-python2.7
E: Sub-process /usr/bin/dpkg returned an error code (1)

그래서 이것은 작동하지 않습니다.