[英]pip install and sudo on mac
我想重新安裝virtualenv。 我成功地做到了:
pip uninstall virtualenv
然后重新安裝我嘗試:
pip install virtualenv
導致錯誤的錯誤: error: /lib/python2.7/site-packages/virtualenv.py: Permission denied
所以我嘗試了:
sudo pip install virtualenv
導致錯誤:
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:為什么須藤會導致這樣的問題? 我讀到此錯誤是由於沒有正確安裝setuptools引起的。 但是為什么只使用sudo命令呢? 這會導致python在其他地方尋找其資源嗎?
有關我的設置的一些詳細信息:
我在MacOS 10.9.4上。
我不確定為什么,但是我似乎在兩個位置設置了python:
Q2:為什么兩個位置? 據我所知,pip和pip3在第二個位置安裝了東西。 也許我有太多版本的python在運行?
這是從交互式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']
雖然我不確定我是否確切地理解了最初問題的根源(不知道問題的答案),但確實通過卸載/取消與Homebrew的Python鏈接來解決此問題,然后按照本教程進行了設置。 我得到的主要課程是:
/lib
有python安裝的原因。 我還用Homebrew安裝了python,它在/usr/local/lib/
創建了第二個安裝。 過了一會兒,我不小心自己在使用/安裝軟件包來跟上我的進度。
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