<p><strong>TL;DR</strong>在您的<code>.bash_profile</code>(或等效物)中添加以下内容:</p>
<p><code>export PATH="/usr/local/opt/python/libexec/bin:$PATH"</code></p>
<p><strong>说明</strong></p>
<p>现在看来,通过自制程序处理python的方式有所不同(参见<a href="https://docs.brew.sh/Homebrew-and-Python" rel="noreferrer">https://docs.brew.sh/Homebrew-and-Python</a>)。在</p>
<blockquote>
<ul>
<li><code>python3</code> points to Homebrew’s Python 3.x (if installed)</li>
<li><code>python2</code> points to Homebrew’s Python 2.7.x (if installed)</li>
<li><code>python</code> points to Homebrew’s Python 2.7.x (if installed) otherwise the macOS system Python. Check out <code>brew info python</code> if you wish to add
Homebrew’s 3.x python to your PATH.</li>
</ul>
</blockquote>
<p>查看<code>brew info python</code>提示您需要做什么:</p>
<blockquote>
<p>Unversioned symlinks <code>python</code>, <code>python-config</code>, <code>pip</code> etc. pointing to
<code>python3</code>, <code>python3-config</code>, <code>pip3</code> etc., respectively, have been
installed into /usr/local/opt/python/libexec/bin</p>
</blockquote>
<p>这意味着你必须在你的路径中的<code>/usr/local/opt/python/libexec/bin</code>之前加上<code>/usr/bin</code>(而不是像某些源代码中所说的那样<code>/usr/local/bin</code>)</p>
<p>另请参见<a href="https://github.com/Homebrew/homebrew-core/issues/15746" rel="noreferrer">https://github.com/Homebrew/homebrew-core/issues/15746</a></p>