virtualenv 安装 linux 错误

Question

我在尝试安装 virtualenv 时收到一个有趣的错误：

$ pip install virtualenv

产生以下错误：

Collecting virtualenv
  Using cached virtualenv-15.0.2-py2.py3-none-any.whl
Installing collected packages: virtualenv
Exception:
Traceback (most recent call last):
  File "/home/matt/.local/lib/python2.7/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/home/matt/.local/lib/python2.7/site-packages/pip/commands/install.py", line 317, in run
    prefix=options.prefix_path,
  File "/home/matt/.local/lib/python2.7/site-packages/pip/req/req_set.py", line 742, in install
    **kwargs
  File "/home/matt/.local/lib/python2.7/site-packages/pip/req/req_install.py", line 831, in install
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  File "/home/matt/.local/lib/python2.7/site-packages/pip/req/req_install.py", line 1032, in move_wheel_files
    isolated=self.isolated,
  File "/home/matt/.local/lib/python2.7/site-packages/pip/wheel.py", line 346, in move_wheel_files
    clobber(source, lib_dir, True)
  File "/home/matt/.local/lib/python2.7/site-packages/pip/wheel.py", line 324, in clobber
    shutil.copyfile(srcfile, destfile)
  File "/usr/lib/python2.7/shutil.py", line 83, in copyfile
    with open(dst, 'wb') as fdst:
IOError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/virtualenv.py'

我想知道是否有人对解决此问题有一些见解？我读到 usr/bin 中可能提到了旧版本的软件，这是可能的，但是这台计算机在较新的一侧。最好的办法是清除所有对 'virtualenv' 的引用（我能找到的就是 )?

谢谢！

Answer 1

问题是您正在尝试将软件包安装到通常需要 root 权限的位置。您可以按照@Vince West 的建议和运行 sudo pip install virtualenv 进行操作，或者您可以进行 pip install --user virtualenv，这会将软件包安装到 ~/.local/lib/python<version>/site-packages。如果你走那条路，你可能需要确保 $HOME/.local/bin 包含在你的 $PATH.

中

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