pip
提供: Python入門
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pip とは、Pythonパッケージインストーラで、パッケージ管理システムです。
読み方
- pip
- ぴーあいぴー
目次
概要
pipコマンドを使用して、Pythonパッケージを簡単にインストールしたり、アンインストールしたりできます。
インストール
Ubuntu
$ sudo apt install python-pip
FreeBSD の場合
sudo pkg install py27-pip
実行例
コマンドラインオプション
Usage: pip <command> [options] Commands: install Install packages. uninstall Uninstall packages. freeze Output installed packages in requirements format. list List installed packages. show Show information about installed packages. search Search PyPI for packages. wheel Build wheels from your requirements. zip DEPRECATED. Zip individual packages. unzip DEPRECATED. Unzip individual packages. bundle DEPRECATED. Create pybundles. help Show help for commands. General Options: -h, --help Show help. -v, --verbose Give more output. Option is additive, and can be used up to 3 times. -V, --version Show version and exit. -q, --quiet Give less output. --log-file <path> Path to a verbose non-appending log, that only logs failures. This log is active by default at /home/kaworu/.pip/pip.log. --log <path> Path to a verbose appending log. This log is inactive by default. --proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port. --timeout <sec> Set the socket timeout (default 15 seconds). --exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup. --cert <path> Path to alternate CA bundle.
エラー
ImportError: cannot import name IncompleteRead
エラーメッセージ
Traceback (most recent call last): File "/usr/bin/pip", line 9, in <module> load_entry_point('pip==1.5.4', 'console_scripts', 'pip')() File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 351, in load_entry_point return get_distribution(dist).load_entry_point(group, name) File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2363, in load_entry_point return ep.load() File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2088, in load entry = __import__(self.module_name, globals(),globals(), ['__name__']) File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 11, in <module> from pip.vcs import git, mercurial, subversion, bazaar # noqa File "/usr/lib/python2.7/dist-packages/pip/vcs/mercurial.py", line 9, in <module> from pip.download import path_to_url File "/usr/lib/python2.7/dist-packages/pip/download.py", line 25, in <module> from requests.compat import IncompleteRead ImportError: cannot import name IncompleteRead
解決方法
$ sudo easy_install -U pip Searching for pip Reading https://pypi.python.org/simple/pip/ Best match: pip 6.0.8 Downloading https://pypi.python.org/packages/source/p/pip/pip-6.0.8.tar.gz#md5=2332e6f97e75ded3bddde0ced01dbda3 Processing pip-6.0.8.tar.gz Writing /tmp/easy_install-ZajvEQ/pip-6.0.8/setup.cfg Running pip-6.0.8/setup.py -q bdist_egg --dist-dir /tmp/easy_install-ZajvEQ/pip-6.0.8/egg-dist-tmp-bqYMTz 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' Adding pip 6.0.8 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 /usr/local/lib/python2.7/dist-packages/pip-6.0.8-py2.7.egg Processing dependencies for pip Finished processing dependencies for pip
python setup.py egg_info
エラー
インストールが失敗することがあります。
sudo pip install numpy Collecting numpy Downloading numpy-1.9.1.tar.gz (4.0MB) 100% |################################| 4.0MB 50kB/s Running from numpy source directory. /usr/local/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'test_suite' warnings.warn(msg) usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...] or: -c --help [cmd1 cmd2 ...] or: -c --help-commands or: -c cmd --help error: invalid command 'egg_info' Complete output from command python setup.py egg_info: Running from numpy source directory. /usr/local/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'test_suite' warnings.warn(msg) usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...] or: -c --help [cmd1 cmd2 ...] or: -c --help-commands or: -c cmd --help error: invalid command 'egg_info' ---------------------------------------- Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-oNX6VD/numpy
解決方法
setuptoolsをアップデートすることで解消できました。
pip install --upgrade setuptools
関連項目
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