python 更新pip 失败问题总结

1、报pip 8.1.1 Not uninstalling pip at /usr/lib/python2.7/dist-packages, outside environment /usr Successfully installed pip-8.1.1 You are using pip version 8.1.1, however version 19.1.1 is available.

如下

sudo pip install --upgrade pip
The directory '/home/osrc/.cache/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 '/home/osrc/.cache/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 pipDownloading https://files.pythonhosted.org/packages/5c/e0/be401c003291b56efc55aeba6a80ab790d3d4cece2778288d65323009420/pip-19.1.1-py2.py3-none-any.whl (1.4MB)100% |████████████████████████████████| 1.4MB 91kB/s
Installing collected packages: pipFound existing installation: pip 8.1.1Not uninstalling pip at /usr/lib/python2.7/dist-packages, outside environment /usr
Successfully installed pip-8.1.1
You are using pip version 8.1.1, however version 19.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

可使用以下命令解决 sudo pip install --upgrade pip --user

 sudo pip install --upgrade pip --user
/home/osrc/.local/lib/python2.7/site-packages/pip/_vendor/requests/__init__.py:83: RequestsDependencyWarning: Old version of cryptography ([1, 2, 3]) may cause slowdown.warnings.warn(warning, RequestsDependencyWarning)
DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
The directory '/home/osrc/.cache/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 '/home/osrc/.cache/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 pipDownloading https://files.pythonhosted.org/packages/5c/e0/be401c003291b56efc55aeba6a80ab790d3d4cece2778288d65323009420/pip-19.1.1-py2.py3-none-any.whl (1.4MB)100% |████████████████████████████████| 1.4MB 11kB/s
Installing collected packages: pipFound existing installation: pip 19.0.3Uninstalling pip-19.0.3:Successfully uninstalled pip-19.0.3
Successfully installed pip-19.1.1

安装成功后，在使用pip install xxx 时还会报以下错误，解决方法如下

2、报 "/usr/local/bin/pip", line 7, in <module>

第一种解决方法:

根据以上报错的路径

/usr/local/bin/

用vim直接编辑

from pip import __main__if __name__ == '__main__':sys.exit(__main__._main())

第二种解决方法【推荐】

wget https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py

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python 更新pip 失败问题总结

1、报pip 8.1.1 Not uninstalling pip at /usr/lib/python2.7/dist-packages, outside environment /usr Successfully installed pip-8.1.1 You are using pip version 8.1.1, however version 19.1.1 is available.

2、报 "/usr/local/bin/pip", line 7, in <module>

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