python - 无法使用 pip 在 rhel 5.8 上安装 ipython

Question

我正在尝试在我的 rhel 5.8 服务器上安装 ipython，但它给出了以下错误。

└──> sudo pip install ipython
[sudo] password for ronak: 
Downloading/unpacking ipython
  Downloading ipython-0.13.tar.gz (6.1Mb): 6.1Mb downloaded
  Running setup.py egg_info for package ipython
    Traceback (most recent call last):
      File "<string>", line 14, in ?
      File "/usr/local/home/ronak/build/ipython/setup.py", line 23
        from __future__ import print_function
    SyntaxError: future feature print_function is not defined
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):

  File "<string>", line 14, in ?

  File "/usr/local/home/ronak/build/ipython/setup.py", line 23

    from __future__ import print_function

SyntaxError: future feature print_function is not defined

----------------------------------------
Command python setup.py egg_info failed with error code 1
Storing complete log in /home/ronak/.pip/pip.log

Answer 1

IPython ≥ 0.11 需要 Python ≥ 2.6。该错误表明您拥有 Python 2.5。

如果你必须使用 Python 2.5，你可以这样做：

pip install ipython==0.10.2

这是支持 Python 2.5 的最后一个版本。