Python 2.6 virtualenv，pip 抛出“ImportError：没有名为 _md5 的模块”
到目前为止，我一直在 python 2.5 下开发一个 django 站点（无关），当时我想切换到 python 2.6 以确保在那里工作。但是，当我为 2.6 设置 virtualenv 时，pip 抛出错误“ImportError：没有名为 _md5 的模块”。
背景：
- 我在 Ubuntu Maverick 10.10 上运行。
- 我的 python 2.5 来自 fkrull 的 deadsnakes repo，并且一直运行没有问题。
- 我使用
virtualenv创建 virtualenvs --no-site-packages --python=python2.[56]
如果我尝试从 virtualenv 外部导入 hashlib，它工作正常：
$ python2.6
Python 2.6.6 (r266:84292, Sep 15 2010, 15:52:39)
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import hashlib
>>>
但在它内部会抛出相同的 ImportError。
我尝试重新安装 python2.6、libpython2.6 和 python2.6-minimal 并重新创建我的 virtualenv，但出现相同的错误。
潜在重复项列表都没有帮助，因为它们要么使用不同的linux发行版或者简单地说“重新编译python”。
有想法吗？
I've been developing a django site (irrelevant) under python 2.5 up until now, when I wanted to switch to python 2.6 to make sure things worked there. However, when I was setting up my virtualenv for 2.6, pip threw an error "ImportError: No module named _md5".
Background:
- I'm running on Ubuntu Maverick 10.10.
- My python 2.5 was coming from fkrull's deadsnakes repo, and has been working without issues.
- I create virtualenvs with
virtualenv <path> --no-site-packages --python=python2.[56]
If I try to import hashlib from outside a virtualenv, it works fine:
$ python2.6
Python 2.6.6 (r266:84292, Sep 15 2010, 15:52:39)
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import hashlib
>>>
But inside it throws the same ImportError.
I've tried reinstalling python2.6, libpython2.6, and python2.6-minimal and recreating my virtualenv, but I get the same error.
None of the list of potential duplicates didn't help, as they either use different linux distros or simply say "recompile python".
Ideas?
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问题最终是 python2.6 的不同版本——我的 virtualenv（我实际上是在早些时候出于相同目的创建的）已经安装了 python 2.6.4，而系统最高为 2.6.6。
我曾尝试过 virtualenv--no-site-packages --python=python2.6 --clear，但显然
--clear并没有清除旧的 python bin。rm -rf -ing env 目录并从头开始重新创建它（因此 venv 也有 2.6.6）解决了该问题。
The problem ended up being different versions of python2.6 -- my virtualenv (which I had actually created at an earlier date to the same purpose) already had python 2.6.4 installed, while the system was up to 2.6.6.
I had tried
virtualenv <path> --no-site-packages --python=python2.6 --clear, but apparently--cleardoesn't clear out the old python bin.rm -rf-ing the env directory and recreating it from scratch (so the venv had 2.6.6 as well) fixed the issue.我有类似的问题。我使用从外部存储库签出的 virtualenv 。在 virtualenv 中，我有 32 位 python2.6.4，在本地系统中，我有 64 位 python 2.6.6。 输入时，
当我在 virtualenv 中 我收到了相同的异常（
ImportError：没有名为 _md5 的模块）。真正的问题是导入_hashlib模块。它抛出异常ImportError: libssl.so.0.9.8: 错误的 ELF 类: ELFCLASS64。解决方案是安装 ia32-libs 包。I had similar problem. I used virtualenv checked out from external repository. Inside virtualenv I had 32-bit python2.6.4 and inside my local system I had 64-bit python 2.6.6. When I typed
inside my virtualenv I received the same exception (
ImportError: No module named _md5). The real problem was with importing_hashlibmodule. It threw an exceptionImportError: libssl.so.0.9.8: wrong ELF class: ELFCLASS64. The solution was to installia32-libspackage.