環境爲Ubuntu16.4 LTS 64bit,在使用pip的過程中,總是提醒我當前使用的9.0.1版本,有更新的版本10.0.0可以使用
提示如下:
You are using pip version 9.0.1, however version 10.0.0 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
可是,當我敲入上面的
pip install --upgrade pip
命令之後,Installing collected packages: pip
Found existing installation: pip 9.0.1
Uninstalling pip-9.0.1:
Successfully uninstalled pip-9.0.1
Rolling back uninstall of pip
Exception:
Traceback (most recent call last):
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/commands/install.py", line 342, in run
prefix=options.prefix_path,
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/req/req_set.py", line 784, in install
**kwargs
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/req/req_install.py", line 851, in install
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/req/req_install.py", line 1064, in move_wheel_files
isolated=self.isolated,
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/wheel.py", line 345, in move_wheel_files
clobber(source, lib_dir, True)
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/wheel.py", line 316, in clobber
ensure_dir(destdir)
File "/home/gritzhang/.local/lib/python2.7/site-packages/pip/utils/__init__.py", line 83, in ensure_dir
os.makedirs(path)
File "/usr/lib/python2.7/os.py", line 157, in makedirs
mkdir(name, mode)
OSError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/pip-10.0.1.dist-info'
You are using pip version 9.0.1, however version 10.0.0 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
異常的話,應該可以通過提示解決掉這個問題,可以看到是因爲執行命令 mkdir(name,mode);
所以在執行下面的
pip install --upgrade pip
這句命令時,在前面加上sudo pip install --upgrade pip 然後輸入密碼執行就“顯示”成功安裝了。
但是安裝後試一下pip list 提示如下:
bash: /home/gritzhang/.local/bin/pip: No such file or directory
這個就是環境變量裏的執行地址不一樣了,改一下環境變量,查看了一下pip10的目錄發現裏面除了幾個txt什麼都沒有,而且此時的pip不管用了,好吧,重新去官網下載了一壓縮包(點擊即可下載),然後解壓,放到python的安裝文件夾下,進入pip目錄中執行python setup.py,之後就OK了,用上了新的pip版本,本可以不這麼費事,好吧,雖然曲折了一點兒,但是結果很OK!!!