升级numpy失败，并显示“权限被拒绝".错误 [英] Upgrading numpy fails with "Permission denied" error

问题描述

我从 http://www.lfd下载了预编译的numpy二进制文件.uci.edu/〜gohlke/pythonlibs/#numpy ，并尝试使用

I downloaded a precompiled numpy binary from http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy and tried upgrading my current numpy install on Windows 7 with

pip install --upgrade "numpy-1.10.4 vanilla-cp27-none-win32.whl"

我收到以下错误:

C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\Scripts\pip-script.py run on 04/01/16 13:20:05
Unpacking c:\users\jeroen\downloads\numpy-1.10.4 vanilla-cp27-none-win_amd64.whl
Installing collected packages: numpy
Cleaning up...
Exception:
Traceback (most recent call last):
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\lib\site-packages\pip\basecommand.py", line 122, in main
    status = self.run(options, args)
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\lib\site-packages\pip\commands\install.py", line 283, in run
    requirement_set.install(install_options, global_options, root=options.root_path)
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\lib\site-packages\pip\req.py", line 1435, in install
    requirement.install(install_options, global_options, *args, **kwargs)
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\lib\site-packages\pip\req.py", line 671, in install
    self.move_wheel_files(self.source_dir, root=root)
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\lib\site-packages\pip\req.py", line 901, in move_wheel_files
    pycompile=self.pycompile,
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\lib\site-packages\pip\wheel.py", line 215, in move_wheel_files
    clobber(source, lib_dir, True)
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\User\lib\site-packages\pip\wheel.py", line 209, in clobber
    shutil.copy2(srcfile, destfile)
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\App\appdata\canopy-1.6.2.3262.win-x86_64\lib\shutil.py", line 130, in copy2
    copyfile(src, dst)
  File "C:\Users\Jeroen\AppData\Local\Enthought\Canopy\App\appdata\canopy-1.6.2.3262.win-x86_64\lib\shutil.py", line 83, in copyfile
    with open(dst, 'wb') as fdst:
IOError: [Errno 13] Permission denied: 'C:\\Users\\Jeroen\\AppData\\Local\\Enthought\\Canopy\\User\\Lib\\site-packages\\numpy\\core\\multiarray.pyd'

有关我的系统上当前安装的numpy版本的更多信息:

Some more info about the currently installed version of numpy on my system:

Python 2.7.3 |EPD_free 7.3-2 (32-bit)| (default, Apr 12 2012, 14:30:37) [MSC v.1500 32 bit (Intel)] on win32
Type "credits", "demo" or "enthought" for more information.
>>> import numpy
>>> print numpy.__version__
1.7.1
>>> print numpy.__path__
['C:\\Python27\\lib\\site-packages\\numpy']

推荐答案

我有相同的消息，对我来说，只需要在更新或重新安装numpy之前先关闭eclipse.不知道为什么，但是这可能会帮助有类似问题的人首先确保所有内容都已关闭.

I had the same message and for me it was simply needing to close eclipse before updating or reinstalling numpy. Not sure why, but this may help people having a similar problem to first make sure everything is closed.

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