2016-10-16 130 views
2

我是python的新手,正在使用pip下载和安装软件包。我跑我的命令窗口中下面的代码,它抛出一个错误使用pip安装matplotlib给出错误

pip install matplotlib 

而且过程开始为

Collecting matplotlib 
    Using cached matplotlib-1.5.3-cp27-cp27m-win32.whl 
Collecting numpy>=1.6 (from matplotlib) 
    Using cached numpy-1.11.2-cp27-none-win32.whl 
Collecting python-dateutil (from matplotlib) 
    Using cached python_dateutil-2.5.3-py2.py3-none-any.whl 
Collecting cycler (from matplotlib) 
    Using cached cycler-0.10.0-py2.py3-none-any.whl 
Collecting pyparsing!=2.0.4,!=2.1.2,>=1.5.6 (from matplotlib) 
    Using cached pyparsing-2.1.10-py2.py3-none-any.whl 
Collecting pytz (from matplotlib) 
    Using cached pytz-2016.7-py2.py3-none-any.whl 
Collecting six>=1.5 (from python-dateutil->matplotlib) 
    Using cached six-1.10.0-py2.py3-none-any.whl 
Installing collected packages: numpy, six, python-dateutil, cycler, pyparsing, pytz, matplotlib 
Exception: 
Traceback (most recent call last): 
    File "c:\python27\lib\site-packages\pip\basecommand.py", line 215, in main 
    status = self.run(options, args) 
    File "c:\python27\lib\site-packages\pip\commands\install.py", line 317, in run 
    prefix=options.prefix_path, 
    File "c:\python27\lib\site-packages\pip\req\req_set.py", line 742, in install 
    **kwargs 
    File "c:\python27\lib\site-packages\pip\req\req_install.py", line 831, in install 
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix) 
    File "c:\python27\lib\site-packages\pip\req\req_install.py", line 1032, in move_wheel_files 
    isolated=self.isolated, 
    File "c:\python27\lib\site-packages\pip\wheel.py", line 346, in move_wheel_files 
    clobber(source, lib_dir, True) 
    File "c:\python27\lib\site-packages\pip\wheel.py", line 324, in clobber 
    shutil.copyfile(srcfile, destfile) 
    File "c:\python27\lib\shutil.py", line 83, in copyfile 
    with open(dst, 'wb') as fdst: 
IOError: [Errno 13] Permission denied: 'c:\\python27\\Lib\\site-packages\\numpy\\core\\multiarray.pyd' 

,并让这些追踪误差。我无法弄清楚这些错误是什么以及如何解决它们。请帮忙。它完美的工作,直到收集包,但在安装时抛出错误。

+1

PIP试图说“嗨,我下载了所有的软件包,但是我无法运行他们的安装脚本。我有权限在该文件夹中运行脚本吗?” –

+0

这通常发生在你已经有一个运行python的实例,就像试图在word中打开一个word文件时重命名一样,它不起作用。关闭所有Python程序和解释器,然后重试。你在普通PC上使用它吗?如果是这样,我会建议你下载蟒蛇的Anaconda发行版。它包含大部分软件包,'matplotlib'就是其中之一。 –

+0

我想这是问题所在。我重新启动cmd并通过使用'pip download matplotlib == 1.5.3'手动下载版本,然后'pip install matplotlib == 1.5.3'感谢您的帮助@NeillHerbst –

回答

0

如果你使用的是Windows,最简单的方法来安装许多数字为导向的Python包的是下载其中一个包含来自http://www.lfd.uci.edu/~gohlke/pythonlibs/的预编译二进制文件,使用pip安装:

pip install SomePackage-1.0-py2.py3-none-any.whl

请确保为您的Python安装下载右轮版本(Python2或Python3,32位或64位)。

1

尝试python -m pip install matplotlib

  1. 打开cmd以管理员身份
  2. 然后python -m pip install matplotlib
+0

'python -m pip install matplotlib' –

+0

究竟发生了什么,我应该做些什么改变? –

+0

发生什么事是,试图运行脚本的文件夹pip位于通常需要管理员访问的'C'驱动器中。我编辑了答案,尝试第二种方式。 –