我想安装一些库来学习机器学习。我说我需要升级pip,但是当我试图安装它时
$ pip install --upgrade pip
Collecting pip
Using cached pip-9.0.1-py2.py3-none-any.whl
Installing collected packages: pip
Found existing installation: pip 8.1.2
Uninstalling pip-8.1.2:
Exception:
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/Library/Python/2.7/site-packages/pip/commands/install.py", line 317, in run
prefix=options.prefix_path,
File "/Library/Python/2.7/site-packages/pip/req/req_set.py", line 736, in install
requirement.uninstall(auto_confirm=True)
File "/Library/Python/2.7/site-packages/pip/req/req_install.py", line 742, in uninstall
paths_to_remove.remove(auto_confirm)
File "/Library/Python/2.7/site-packages/pip/req/req_uninstall.py", line 115, in remove
renames(path, new_path)
File "/Library/Python/2.7/site-packages/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 303, in move
os.unlink(src)
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/pip-8.1.2.dist-info/DESCRIPTION.rst'
You are using pip version 8.1.2, however version 9.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
答案 0 :(得分:3)
除非使用virtualenv,否则必须使用sudo运行它。问题是您没有更改该模块的权限。使用sudo,您将授予管理员更新权限。
sudo pip install --upgrade pip
答案 1 :(得分:1)
错误
OSError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/pip-8.1.2.dist-info/DESCRIPTION.rst'
显示您不能以普通用户身份升级pip,您必须以sudoer
sudo pip install --upgrade pip
答案 2 :(得分:1)
答案 3 :(得分:0)
答案 4 :(得分:-1)
错误:找不到满足升级要求的版本(来自版本:无) 错误:找不到要升级的匹配发行版
在cmd中输入这个来升级:
python -m pip install -U pip