[英]Problems with upgrading pip in Homebrew Python 2.7 installation
我在Mac上使用Homebrew安装了Python 2.7.9,而Homebrew也安装了pip。 还有一个较旧的,未使用过的Python版本,默认安装在我的Mac上。
问题是,当我尝试升级pip时(使用pip install --upgrade pip
),pip似乎想要升级旧的默认版本的Python附带的pip版本。 这是发生了什么(在完成Python 2.7.9的全新安装之后,即brew remove python
后跟brew install python
):
$ pip -V
pip 6.0.7 from /usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-6.0.7-py2.7.egg (python 2.7)
以上似乎是正确的。 但是,会发生以下情况:
$ pip install --upgrade pip
You are using pip version 6.0.7, however version 6.0.8 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting pip from https://pypi.python.org/packages/py2.py3/p/pip/pip-6.0.8-py2.py3-none-any.whl#md5=41e73fae2c86ba2270ff51c1d86f7e09
Using cached pip-6.0.8-py2.py3-none-any.whl
Installing collected packages: pip
Found existing installation: pip 6.0.7
Uninstalling pip-6.0.7:
Successfully uninstalled pip-6.0.7
Successfully installed pip-1.4.1
为什么安装了pip 1.4.1? 现在我得到:
$ pip -V
pip 1.4.1 from /Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg (python 2.7)
这似乎与Python的旧版默认版本相对应。 当我再次尝试升级时,它会失败:
$ pip install --upgrade pip
Downloading/unpacking pip from https://pypi.python.org/packages/source/p/pip/pip-6.0.8.tar.gz#md5=2332e6f97e75ded3bddde0ced01dbda3
Downloading pip-6.0.8.tar.gz (1.2MB): 1.2MB downloaded
Running setup.py egg_info for package pip
warning: no previously-included files found matching '.coveragerc'
warning: no previously-included files found matching '.mailmap'
warning: no previously-included files found matching '.travis.yml'
warning: no previously-included files found matching 'pip/_vendor/Makefile'
warning: no previously-included files found matching 'tox.ini'
warning: no previously-included files found matching 'dev-requirements.txt'
no previously-included directories found matching '.travis'
no previously-included directories found matching 'docs/_build'
no previously-included directories found matching 'contrib'
no previously-included directories found matching 'tasks'
no previously-included directories found matching 'tests'
Installing collected packages: pip
Found existing installation: pip 1.4.1
Uninstalling pip:
Cleaning up...
Exception:
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg/pip/basecommand.py", line 134, in main
status = self.run(options, args)
File "/Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg/pip/commands/install.py", line 241, in run
requirement_set.install(install_options, global_options, root=options.root_path)
File "/Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg/pip/req.py", line 1294, in install
requirement.uninstall(auto_confirm=True)
File "/Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg/pip/req.py", line 525, in uninstall
paths_to_remove.remove(auto_confirm)
File "/Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg/pip/req.py", line 1639, in remove
renames(path, new_path)
File "/Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg/pip/util.py", line 294, in renames
shutil.move(old, new)
File "/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 300, in move
rmtree(src)
File "/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 247, in rmtree
rmtree(fullname, ignore_errors, onerror)
File "/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 252, in rmtree
onerror(os.remove, fullname, sys.exc_info())
File "/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 250, in rmtree
os.remove(fullname)
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/pip-1.4.1-py2.7.egg/EGG-INFO/dependency_links.txt'
Storing complete log in /Users/[me]/.pip/pip.log
但是,pip正确安装到/usr/local/lib/python2.7/site-packages
提供的版本),使用pip安装模块和使用模块没有明显的问题。 下面是输出的which
,毕竟上面的:
$ which pip
/usr/local/bin/pip
$ which python
/usr/local/bin/python
这是怎么回事? 任何帮助,将不胜感激。
我认为这与此处描述的问题相同: https : //github.com/pypa/pip/issues/2319
当sys.path中有另一个pip egg时,它是由pip行为异常造成的。
最简单的解决方法是继续运行sudo python -m pip uninstall pip
直到停止工作,然后brew postinstall python
(重新安装pip)。
我也有这个问题(Yosemite上的Homebrew Python 2.7.9)。 我把它运行到试图做pip install virtualenv
:
> which pip2.7
/usr/local/bin/pip2.7
> which python
/usr/local/bin/python
> pip install virtualenv
Requirement already satisfied (use --upgrade to upgrade): virtualenv in /Library/Python/2.7/site-packages
> pip install --upgrade virtualenv
..
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/virtualenv-1.11.5-py2.7.egg-info/dependency_links.txt'
我通过暂时隐藏/Library/Python/2.7/site-packages
的文件解决了这个问题。 当我完成时将它们移回去。
> pip install virtualenv
Collecting virtualenv
Using cached virtualenv-12.0.7-py2.py3-none-any.whl
Installing collected packages: virtualenv
Successfully installed virtualenv-12.0.7
> which virtualenv
/usr/local/bin/virtualenv
>
它也可以正常工作。 我在virtualenv中得到2.7.9并且可以安装numpy
, matplotlib
, scipy
,并且它们可以工作。
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