[英]pip install and sudo on mac
我想重新安装virtualenv。 我成功地做到了:
pip uninstall virtualenv
然后重新安装我尝试:
pip install virtualenv
导致错误的错误: error: /lib/python2.7/site-packages/virtualenv.py: Permission denied
所以我尝试了:
sudo pip install virtualenv
导致错误:
Traceback (most recent call last):
File "/usr/local/bin/pip", line 5, in <module>
from pkg_resources import load_entry_point
ImportError: No module named pkg_resources
Q1:为什么须藤会导致这样的问题? 我读到此错误是由于没有正确安装setuptools引起的。 但是为什么只使用sudo命令呢? 这会导致python在其他地方寻找其资源吗?
有关我的设置的一些详细信息:
我在MacOS 10.9.4上。
我不确定为什么,但是我似乎在两个位置设置了python:
Q2:为什么两个位置? 据我所知,pip和pip3在第二个位置安装了东西。 也许我有太多版本的python在运行?
这是从交互式python控制台打印的sys.path:
['',
'/lib/python2.7/site-packages/setuptools-5.4.1-py2.7.egg',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.4.1-py2.7.egg',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/Sphinx-1.2.2-py2.7.egg',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/Jinja2-2.7.2-py2.7.egg',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/docutils-0.11-py2.7.egg',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/Pygments-1.6-py2.7.egg',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/MarkupSafe-0.23-py2.7-macosx-10.9-x86_64.egg',
'/usr/local/lib/python2.7/site-packages/pip-1.4.1-py2.7.egg',
'/usr/local/lib/python2.7/site-packages/Sphinx-1.2.2-py2.7.egg',
'/usr/local/lib/python2.7/site-packages/Jinja2-2.7.2-py2.7.egg',
'/usr/local/lib/python2.7/site-packages/docutils-0.11-py2.7.egg',
'/usr/local/lib/python2.7/site-packages/Pygments-1.6-py2.7.egg',
'/usr/local/lib/python2.7/site-packages/MarkupSafe-0.23-py2.7-macosx-10.9-x86_64.egg',
'/lib/python2.7/site-packages',
'/lib/python2.3/site-packages',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python27.zip',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old',
'/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload',
'/Users/david/Library/Python/2.7/lib/python/site-packages',
'/Library/Python/2.7/site-packages',
'/usr/local/lib/python2.7/site-packages',
'/lib/python2.3/site-packages']
虽然我不确定我是否确切地理解了最初问题的根源(不知道问题的答案),但确实通过卸载/取消与Homebrew的Python链接来解决此问题,然后按照本教程进行了设置。 我得到的主要课程是:
/lib
有python安装的原因。 我还用Homebrew安装了python,它在/usr/local/lib/
创建了第二个安装。 过了一会儿,我不小心自己在使用/安装软件包来跟上我的进度。
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