我无法升级或正确安装ipython
C:\big data\ipython-notebooks>pip install --upgrade ipython
Downloading/unpacking ipython from https://pypi.python.org/packages/source/i/ipython/ipython-4.0.0b1.tar.gz#md
5=e32e4ea0ed8312311bb8cb3e0af0bea1
Running setup.py egg_info for package ipython
C:\Python27\lib\site-packages\setuptools\dist.py:284: UserWarning: The version specified requires normaliz
ation, consider using '4.0.0b1' instead of '4.0.0-b1'.
self.metadata.version,
Downloading/unpacking decorator from https://pypi.python.org/packages/source/d/decorator/decorator-4.0.2.tar.g
z#md5=033c9563af492c4ce2680ee6ca481fa7 (from ipython)
Running setup.py egg_info for package decorator
Downloading/unpacking pickleshare (from ipython)
Running setup.py egg_info for package pickleshare
Downloading/unpacking simplegeneric>0.8 (from ipython)
Could not find a version that satisfies the requirement simplegeneric>0.8 (from ipython) (from versions: 0.5
, 0.6, 0.7, 0.8.1, 0.8)
No distributions matching the version for simplegeneric>0.8 (from ipython)
Storing complete log in C:\Users\Oskar\pip\pip.log
它说我需要simplegeneric，但我已经安装了
这是我的pip冻结日志：
C:\big data\ipython-notebooks>pip freeze
(...)
ipython==1.1.0
(...)
pyzmq==14.7.0
(...)
simplegeneric==0.8.1
(...)
我使用的是Python 2.7，我安装了MS VC ++ for Python
C:\big data\ipython-notebooks>python --version
Python 2.7.3
更新
指定版本不起作用，与-U标志相同或不带
C:\big data\ipython-notebooks>pip install ipython==3.2.1
Downloading/unpacking ipython==3.2.1
Running setup.py egg_info for package ipython
C:\Python27\lib\site-packages\setuptools\dist.py:284: UserWarning: The version specified requires normaliz
ation, consider using '4.0.0b1' instead of '4.0.0-b1'.
self.metadata.version,
Requested ipython==3.2.1, but installing version 4.0.0b1
Requirement already satisfied (use --upgrade to upgrade): decorator in c:\python27\lib\site-packages (from ipy
thon==3.2.1)
Downloading/unpacking pickleshare (from ipython==3.2.1)
Running setup.py egg_info for package pickleshare
Downloading/unpacking simplegeneric>0.8 (from ipython==3.2.1)
Could not find a version that satisfies the requirement simplegeneric>0.8 (from ipython==3.2.1) (from versio
ns: 0.5, 0.6, 0.7, 0.8.1, 0.8)
No distributions matching the version for simplegeneric>0.8 (from ipython==3.2.1)
Storing complete log in C:\Users\Oskar\pip\pip.log
更新2
Pip版本是1.3.1
C:\big data\ipython-notebooks>pip --version
pip 1.3.1 from c:\python27\lib\site-packages (python 2.7)
答案 0 :(得分：2)
将点更新为较新版本（从1.3.1升级到7.1）帮助
C:\big data\ipython-notebooks>python -m pip install --upgrade pip
Downloading/unpacking pip from https://pypi.python.org/packages/source/p/pip/pip-7.1.0.tar.gz#md5=d935ee914607
4b1d3f26c5f0acfd120e
Downloading pip-7.1.0.tar.gz (1.0MB): 1.0MB downloaded
Running setup.py egg_info for package pip
warning: no previously-included files found matching '.coveragerc'
warning: no previously-included files found matching '.mailmap'
warning: no previously-included files found matching '.travis.yml'
warning: no previously-included files found matching 'pip\_vendor\Makefile'
warning: no previously-included files found matching 'tox.ini'
warning: no previously-included files found matching 'dev-requirements.txt'
no previously-included directories found matching '.travis'
no previously-included directories found matching 'docs\_build'
no previously-included directories found matching 'contrib'
no previously-included directories found matching 'tasks'
no previously-included directories found matching 'tests'
Installing collected packages: pip
Found existing installation: pip 1.3.1
Uninstalling pip:
Successfully uninstalled pip
Running setup.py install for pip
warning: no previously-included files found matching '.coveragerc'
warning: no previously-included files found matching '.mailmap'
warning: no previously-included files found matching '.travis.yml'
warning: no previously-included files found matching 'pip\_vendor\Makefile'
warning: no previously-included files found matching 'tox.ini'
warning: no previously-included files found matching 'dev-requirements.txt'
no previously-included directories found matching '.travis'
no previously-included directories found matching 'docs\_build'
no previously-included directories found matching 'contrib'
no previously-included directories found matching 'tasks'
no previously-included directories found matching 'tests'
Installing pip-script.py script to C:\Python27\Scripts
Installing pip.exe script to C:\Python27\Scripts
Installing pip2.7-script.py script to C:\Python27\Scripts
Installing pip2.7.exe script to C:\Python27\Scripts
Installing pip2-script.py script to C:\Python27\Scripts
Installing pip2.exe script to C:\Python27\Scripts
Successfully installed pip
Cleaning up...
C:\big data\ipython-notebooks>pip --version
pip 7.1.0 from C:\Python27\lib\site-packages (python 2.7)
C:\big data\ipython-notebooks>pip install -U ipython==3.2.1
C:\Python27\lib\site-packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning:
A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may ca
use certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/secur
ity.html#insecureplatformwarning.
InsecurePlatformWarning
Collecting ipython==3.2.1
C:\Python27\lib\site-packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning:
A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may ca
use certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/secur
ity.html#insecureplatformwarning.
InsecurePlatformWarning
Downloading ipython-3.2.1-py2-none-any.whl (3.4MB)
100% |################################| 3.4MB 82kB/s
Installing collected packages: ipython
Found existing installation: ipython 1.1.0
Uninstalling ipython-1.1.0:
Successfully uninstalled ipython-1.1.0
Successfully installed ipython-3.2.1