当我使用pip在我的mac中安装ipython时，我遇到了麻烦，
➜ ~ sudo easy_install pip
Searching for pip
Reading https://pypi.python.org/simple/pip/
Best match: pip 8.1.1
Downloading https://pypi.python.org/packages/41/27/9a8d24e1b55bd8c85e4d022da2922cb206f183e2d18fee4e320c9547e751/pip-8.1.1.tar.gz#md5=6b86f11841e89c8241d689956ba99ed7
Processing pip-8.1.1.tar.gz
Writing /tmp/easy_install-gX8Ewd/pip-8.1.1/setup.cfg
Running pip-8.1.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-gX8Ewd/pip-8.1.1/egg-dist-tmp-MjRQzD
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 '.landscape.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'
warning: no previously-included files found matching 'appveyor.yml'
no previously-included directories found matching '.github'
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'
Adding pip 8.1.1 to easy-install.pth file
Installing pip script to /usr/local/bin
Installing pip2.7 script to /usr/local/bin
Installing pip2 script to /usr/local/bin
Installed /Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg
Processing dependencies for pip
Finished processing dependencies for pip
➜ ~ pip install ipython
Collecting ipython
Downloading ipython-4.2.0-py2-none-any.whl (736kB)
100% |████████████████████████████████| 737kB 1.1MB/s
Requirement already satisfied (use --upgrade to upgrade): traitlets in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): pickleshare in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): simplegeneric>0.8 in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): backports.shutil-get-terminal-size in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): decorator in /Library/Python/2.7/site-packages (from ipython)
Collecting setuptools>=18.5 (from ipython)
Downloading setuptools-21.0.0-py2.py3-none-any.whl (509kB)
100% |████████████████████████████████| 512kB 2.9MB/s
Collecting gnureadline (from ipython)
Downloading gnureadline-6.3.3-cp27-none-macosx_10_9_x86_64.whl (132kB)
100% |████████████████████████████████| 133kB 4.9MB/s
Collecting appnope (from ipython)
Downloading appnope-0.1.0-py2.py3-none-any.whl
Collecting pexpect (from ipython)
Downloading pexpect-4.0.1.tar.gz (143kB)
100% |████████████████████████████████| 153kB 66kB/s
Requirement already satisfied (use --upgrade to upgrade): ipython-genutils in /Library/Python/2.7/site-packages (from traitlets->ipython)
Requirement already satisfied (use --upgrade to upgrade): pathlib2 in /Library/Python/2.7/site-packages (from pickleshare->ipython)
Collecting ptyprocess>=0.5 (from pexpect->ipython)
Downloading ptyprocess-0.5.1-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): six in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from pathlib2->pickleshare->ipython)
Installing collected packages: setuptools, gnureadline, appnope, ptyprocess, pexpect, ipython
Found existing installation: setuptools 1.1.6
Uninstalling setuptools-1.1.6:
Exception:
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/basecommand.py", line 209, in main
status = self.run(options, args)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/commands/install.py", line 317, in run
prefix=options.prefix_path,
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/req/req_set.py", line 726, in install
requirement.uninstall(auto_confirm=True)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/req/req_install.py", line 746, in uninstall
paths_to_remove.remove(auto_confirm)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/req/req_uninstall.py", line 115, in remove
renames(path, new_path)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/utils/__init__.py", line 267, in renames
shutil.move(old, new)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 299, in move
copytree(src, real_dst, symlinks=True)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 208, in copytree
raise Error, errors
Error: [('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.py', '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.py', "[Errno 1] Operation not permitted: '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.py'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.pyc', '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.pyc', "[Errno 1] Operation not permitted: '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.pyc'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.py', '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.py', "[Errno 1] Operation not permitted: '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.py'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.pyc', '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.pyc', "[Errno 1] Operation not permitted: '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.pyc'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib', '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib', "[Errno 1] Operation not permitted: '/var/folders/rv/61031cn16tbcxv3brgsd7sn80000gn/T/pip-0QWsTT-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib'")]
我卸载pip时，
➜ ~ sudo pip uninstall pip
Password:
The directory '/Users/Li/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Uninstalling pip-8.1.1:
/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg
/usr/local/bin/pip
/usr/local/bin/pip2
/usr/local/bin/pip2.7
Proceed (y/n)? y
Successfully uninstalled pip-8.1.1
The directory '/Users/Li/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
任何人都知道原因，我该如何安装ipython？我使用由mac安装的python2.7。
...我必须添加一些单词...因为stackoverflow说我的代码太多而我的单词太少了......
使用sudo -H命令，我试过：
➜ ~ sudo -H pip install ipython
Collecting ipython
Using cached ipython-4.2.0-py2-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): traitlets in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): pickleshare in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): simplegeneric>0.8 in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): backports.shutil-get-terminal-size in /Library/Python/2.7/site-packages (from ipython)
Requirement already satisfied (use --upgrade to upgrade): decorator in /Library/Python/2.7/site-packages (from ipython)
Collecting setuptools>=18.5 (from ipython)
Using cached setuptools-21.0.0-py2.py3-none-any.whl
Collecting gnureadline (from ipython)
Using cached gnureadline-6.3.3-cp27-none-macosx_10_9_x86_64.whl
Collecting appnope (from ipython)
Using cached appnope-0.1.0-py2.py3-none-any.whl
Collecting pexpect (from ipython)
Using cached pexpect-4.0.1.tar.gz
Requirement already satisfied (use --upgrade to upgrade): ipython-genutils in /Library/Python/2.7/site-packages (from traitlets->ipython)
Requirement already satisfied (use --upgrade to upgrade): pathlib2 in /Library/Python/2.7/site-packages (from pickleshare->ipython)
Collecting ptyprocess>=0.5 (from pexpect->ipython)
Using cached ptyprocess-0.5.1-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): six in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python (from pathlib2->pickleshare->ipython)
Installing collected packages: setuptools, gnureadline, appnope, ptyprocess, pexpect, ipython
Found existing installation: setuptools 1.1.6
Uninstalling setuptools-1.1.6:
Exception:
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/basecommand.py", line 209, in main
status = self.run(options, args)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/commands/install.py", line 317, in run
prefix=options.prefix_path,
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/req/req_set.py", line 726, in install
requirement.uninstall(auto_confirm=True)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/req/req_install.py", line 746, in uninstall
paths_to_remove.remove(auto_confirm)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/req/req_uninstall.py", line 115, in remove
renames(path, new_path)
File "/Library/Python/2.7/site-packages/pip-8.1.1-py2.7.egg/pip/utils/__init__.py", line 267, in renames
shutil.move(old, new)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 299, in move
copytree(src, real_dst, symlinks=True)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 208, in copytree
raise Error, errors
Error: [('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.py', '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.py', "[Errno 1] Operation not permitted: '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.py'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.pyc', '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.pyc', "[Errno 1] Operation not permitted: '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/__init__.pyc'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.py', '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.py', "[Errno 1] Operation not permitted: '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.py'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.pyc', '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.pyc', "[Errno 1] Operation not permitted: '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib/markers.pyc'"), ('/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib', '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib', "[Errno 1] Operation not permitted: '/tmp/pip-Nqp6JH-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/_markerlib'")]