Question

开始探索Python并想开始在虚拟环境中玩耍。我是macOS用户。

这是我的默认python版本：

$ python --version
Python 3.7.2

这是我尝试使用pip安装virtualenv时看到的内容：

$ pip install virtualenv
Collecting virtualenv
  Using cached https://files.pythonhosted.org/packages/7e/1b/6c00d57127608793e16e8b7f813e64d58a1938505c42fe190d1386ab41e1/virtualenv-16.4.0-py2.py3-none-any.whl
Installing collected packages: virtualenv
Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/usr/local/bin/virtualenv'
Consider using the `--user` option or check the permissions.

$ pip install virtualenv
Requirement already satisfied: virtualenv in /usr/local/lib/python2.7/site-packages (16.4.0)

我可以从最后的输出中了解到virtualenv已安装用于python2.7，但我需要3.7.2。如何做到这一点？

当我将Could not install packages . . .错误明确地安装到其他地方（??）时，也会误导我。

TIA！

编辑：这是我尝试安装pip3时看到的内容：

$ pip3 --version
-bash: pip3: command not found

$ brew install pip3
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/core).
==> Updated Formulae
imagemagick                                                                                  scipy

Error: No available formula with the name "pip3" 
==> Searching for a previously deleted formula (in the last month)...
Warning: homebrew/core is shallow clone. To get complete history run:
  git -C "$(brew --repo homebrew/core)" fetch --unshallow

Error: No previously deleted formula found.
==> Searching for similarly named formulae...
Error: No similarly named formulae found.
==> Searching taps...
==> Searching taps on GitHub...
Error: No formulae found in taps.

pip / python3-macOS：安装virtualenv时出现混合消息

0 个答案: