安装 SciPy 和 scikit-learn 升级pip 及pip基本命令表
2016-07-23 22:16
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安装Scipy和scikit-learn出错,出错记录及当时最终解决办法
问题:
一、使用pip直接安装
直接pip install scipy
C:\Users\Plain>pip install scripy
Collecting scripy
Downloading Scripy-0.9.3.tar.gz
Complete output from command python setup.py egg_info:Traceback (most recent call last):
File "<string>", line 1, in <module>
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\setup.py",line 96, in <module>
description=get_description(packages[0], PACKAGE_DIR),
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\setup.py",line 47, in get_description
pkg = __import__(package, level=1)
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\lib\scripy\__init__.py", line 11, in <module>
from .edit import *
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\lib\scripy\edit.py", line 15, in <module>
import pwd
ImportError: No module named pwd
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\
显示错误后,也没有仔细分析问题原因,能力欠缺。
解决:
二、使用.whl文件安装
在网站下载scipy.whl 软件http://www.lfd.uci.edu/~gohlke/pythonlibs/#scipy
然后在msdos中直接:pip install (将下载好的.whl文件拖入即可)
安装失败:显示:
在刚才下载的网上查阅了关于安装有:Use pip version 8 or newer to install the downloaded .whl files.
大意就是使用pip version 8 或者最新版本(我的是7.1.2,当时最新8.1.2),可能是pip过旧的原因
解决续:
三,升级pip,及部分pip命令学习
按照上边的升级提示:
python -m pip install --update pip
果然最后显示:Successfully installed pip-8.1.2
然后查看pip版本 使用pip -V
如果命令出错会显示所有的pip 命令:
四、直接使用pip需要将pip添加到系统环境变量path中
----------------2016-7-24 12:29:40--
source:
问题:
一、使用pip直接安装
直接pip install scipy
C:\Users\Plain>pip install scripy
Collecting scripy
Downloading Scripy-0.9.3.tar.gz
Complete output from command python setup.py egg_info:Traceback (most recent call last):
File "<string>", line 1, in <module>
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\setup.py",line 96, in <module>
description=get_description(packages[0], PACKAGE_DIR),
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\setup.py",line 47, in get_description
pkg = __import__(package, level=1)
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\lib\scripy\__init__.py", line 11, in <module>
from .edit import *
File "c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\lib\scripy\edit.py", line 15, in <module>
import pwd
ImportError: No module named pwd
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in c:\users\plain\appdata\local\temp\pip-build-bqakt2\scripy\
显示错误后,也没有仔细分析问题原因,能力欠缺。
解决:
二、使用.whl文件安装
在网站下载scipy.whl 软件http://www.lfd.uci.edu/~gohlke/pythonlibs/#scipy
然后在msdos中直接:pip install (将下载好的.whl文件拖入即可)
安装失败:显示:
C:\Users\Plain>pip install C:\Users\Plain\Desktop\scipy-0.17.1-cp27-cp27m-win_amd64.whl scipy-0.17.1-cp27-cp27m-win_amd64.whl is not a supported wheel on this platform. You are using pip version 7.1.2, however version 8.1.2 is available. You should consider upgrading via the 'python -m pip install --upgrade pip' command.
在刚才下载的网上查阅了关于安装有:Use pip version 8 or newer to install the downloaded .whl files.
大意就是使用pip version 8 或者最新版本(我的是7.1.2,当时最新8.1.2),可能是pip过旧的原因
解决续:
三,升级pip,及部分pip命令学习
按照上边的升级提示:
python -m pip install --update pip
果然最后显示:Successfully installed pip-8.1.2
然后查看pip版本 使用pip -V
如果命令出错会显示所有的pip 命令:
C:\Users\Plain>pip -v Usage: pip <command> [options] Commands: install Install packages. download Download packages. uninstall Uninstall packages. freeze Output installed packages in requirements format # 输出已安装的软件包的需求格式 list List installed packages. # 类似于freeze show Show information about installed packages. search Search PyPI for packages. wheel Build wheels from your requirements. hash Compute hashes of package archives. completion A helper command used for command completion help Show help for commands. General Options: -h, --help Show help. --isolated Run pip in an isolated mode, ignoring environment variables and user configuration. -v, --verbose Give more output. Option is additive, and can be used up to 3 times. -V, --version Show version and exit. -q, --quiet Give less output. --log <path> Path to a verbose appending log. --proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port. --retries <retries> Maximum number of retries each connection should attempt (default 5 times). --timeout <sec> Set the socket timeout (default 15 seconds). --exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup. --trusted-host <hostname> Mark this host as trusted, even though it does not have valid or any HTTPS. --cert <path> Path to alternate CA bundle. --client-cert <path> Path to SSL client certificate, a single file containing the private key and the certificate in PEM format. --cache-dir <dir> Store the cache data in <dir>. --no-cache-dir Disable the cache. --disable-pip-version-check Don't periodically check PyPI to determine whether a new version of pip is available for download. Implied with --no-index. C:\Users\Plain>pip -V pip 8.1.2 from c:\python27\lib\site-packages (python 2.7)
四、直接使用pip需要将pip添加到系统环境变量path中
----------------2016-7-24 12:29:40--
source:
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