为什么IronPython告诉我pip是一个包而不是可执行文件?

问题描述

我是Python的新手.我想尝试看看Pyomo(用于数学建模的Python包)是否可以在IronPython下工作，因为我生成Pyomo所需数据的所有代码都是C#.

I am a complete newbie at Python. I wanted to try to see if Pyomo (a Python package for mathematical modeling) could work under IronPython because all my code for generating the data needed for Pyomo is in C#.

我安装了IronPython 2.7.5，然后以管理员身份尝试了 http://blog.ironpython.net/2014/12/pip-in-ironpython-275.html#disqus_thread 关于如何为IronPython运行"pip".我使用了他们给出的确切示例(安装 html5lib ):

I installed IronPython 2.7.5, then tried as an administrator the advice found in http://blog.ironpython.net/2014/12/pip-in-ironpython-275.html#disqus_thread on how to run "pip" for IronPython. I used the exact example they gave (installing html5lib):

ipy -X:Frames -m ensure pip
ipy -X:Frames -m pip install html5lib

第一行有效，我在Lib/site-packages目录中看到一个名为pip-6.1.1-py2.7.egg的文件夹，其中包含许多python代码.

The first line worked, and I see in the Lib/site-packages directory a folder called pip-6.1.1-py2.7.egg with lots of python code in it.

对于第二行，我收到了错误:

For the second line, I received the error:

Unhandled exception:
Traceback (most recent call last):
  File "C:\Program Files (x86)\IronPython 2.7\Lib\runpy.py", line 170, in run_module
  File "C:\Program Files (x86)\IronPython 2.7\Lib\runpy.py", line 111, in _get_module_details
ImportError: No module named urllib; 'pip' is a package and cannot be directly executed

在这一点上，我被困住了.任何帮助将不胜感激.

At this point, I'm stuck. Any help would be appreciated.

只要有帮助，打印出sys.version即可:

Just in case this helps, printing out the sys.version gives:

2.7.5 (IronPython 2.7.5 (2.7.5.0) on .NET 4.0.30319.34209 (32-bit))

推荐答案

我遇到了同样的问题.看来IronPython无法处理更新版本的pip.我所做的是:

I encountered the same problem. It seems that IronPython can't deal with more recent versions of pip. What I did was:

• 从IronPython的Lib\site-packages文件夹中删除pip和setuptools中的所有跟踪记录
• 从命令行运行:ipy.exe -X:Frames -m ensurepip
• 这安装了IronPython可以理解的pip的旧版本.通过检查文件夹pip-1.5.6.dist-info是否出现在IronPython的Lib/site-packages
中进行验证

• remove all traces from pip and setuptools from IronPython's Lib\site-packages folder
• run from a commandline: ipy.exe -X:Frames -m ensurepip
• this installed an old version of pip, one that IronPython understands. Verify this by checking that a folder pip-1.5.6.dist-info appears in IronPython's Lib/site-packages

故事的道德；使用IronPython时不要升级到较新的pip版本

Moral of the story; don't upgrade to a newer pip version when using IronPython

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