sudoを付けずに「pip install –upgrade pip」したらハマる

うっかり、sudo せずに実行したらエラー出まくったのでメモ。

環境は、macbookpro で OS は 10.11.4 です。シェルは zsh を使ってます。

% pip install --upgrade pip
zsh: /usr/local/share/python/pip: bad interpreter: /usr/local/Cellar/python/2.7.2/bin/python: no such file or directory
Collecting pip
  Using cached pip-8.1.2-py2.py3-none-any.whl
Installing collected packages: pip
  Found existing installation: pip 8.1.1
    Uninstalling pip-8.1.1:
Exception:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/pip/basecommand.py", line 209, in main
    status = self.run(options, args)
  File "/usr/local/lib/python2.7/site-packages/pip/commands/install.py", line 317, in run
    prefix=options.prefix_path,
  File "/usr/local/lib/python2.7/site-packages/pip/req/req_set.py", line 726, in install
    requirement.uninstall(auto_confirm=True)
  File "/usr/local/lib/python2.7/site-packages/pip/req/req_install.py", line 746, in uninstall
    paths_to_remove.remove(auto_confirm)
  File "/usr/local/lib/python2.7/site-packages/pip/req/req_uninstall.py", line 115, in remove
    renames(path, new_path)
  File "/usr/local/lib/python2.7/site-packages/pip/utils/__init__.py", line 267, in renames
    shutil.move(old, new)
  File "/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 303, in move
    os.unlink(src)
OSError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/site-packages/pip-8.1.1.dist-info/DESCRIPTION.rst'
You are using pip version 8.1.1, however version 8.1.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

というふうになって、、、

% sudo pip install --upgrade pip
sudo: unable to execute /usr/local/share/python/pip: No such file or directory

中途半端な状態に。

イージーインストールを使って、インストールし直す。

% sudo easy_install pip
Searching for pip
Best match: pip 8.1.1
Adding pip 8.1.1 to easy-install.pth file
Installing pip script to /usr/local/bin
Installing pip3.5 script to /usr/local/bin
Installing pip3 script to /usr/local/bin

Using /usr/local/lib/python2.7/site-packages
Processing dependencies for pip
Finished processing dependencies for pip

今度はちゃんと、sudo して実行する。

% sudo pip install --upgrade pip
The directory '/Users/XXXXXXXX/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.
The directory '/Users/XXXXXXXX/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting pip
 Downloading pip-8.1.2-py2.py3-none-any.whl (1.2MB)
   100% |████████████████████████████████| 1.2MB 506kB/s
Installing collected packages: pip

うん、うまくいった。

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