https://afr-dt.github.io/en/tags/rust/Recent content in Rust on Alejandro FloresHugoenTue, 04 Nov 2025 09:00:00 -0600https://afr-dt.github.io/en/posts/uv-python/Tue, 04 Nov 2025 09:00:00 -0600https://afr-dt.github.io/en/posts/uv-python/<h2 id="-what-is-uv"> 🧩 What is UV? <a class="heading-link" href="#-what-is-uv"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p><a href="https://astral.sh/uv" class="external-link" target="_blank" rel="noopener"><code>uv</code></a> is a modern tool created by <strong>Astral</strong> (the creators of <code>ruff</code> 🦀) designed to be the only manager you need in the Python ecosystem. Written in <strong>Rust</strong>, it is 10x to 100x faster than traditional tools.</p> <h3 id="-why-is-it-so-fast"> ⚡ Why is it so fast? <a class="heading-link" href="#-why-is-it-so-fast"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h3> <ul> <li><strong>Global Cache:</strong> It doesn&rsquo;t redownload what you already have.</li> <li><strong>Hardlinks:</strong> It uses physical links to avoid duplicating files on your disk.</li> <li><strong>Parallel Resolution:</strong> Resolves dependencies massively and efficiently.</li> </ul> <h2 id="-installation"> ⚙️ Installation <a class="heading-link" href="#-installation"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># macOS &amp; Linux</span> </span></span><span style="display:flex;"><span>curl -LsSf https://astral.sh/uv/install.sh | sh </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e"># Windows</span> </span></span><span style="display:flex;"><span>powershell -ExecutionPolicy ByPass -c <span style="color:#e6db74">&#34;irm https://astral.sh/uv/install.ps1 | iex&#34;</span> </span></span></code></pre></div><hr> <h2 id="-1-python-version-management"> 🐍 1. Python Version Management <a class="heading-link" href="#-1-python-version-management"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>Forget about <code>pyenv</code> or fighting with your system&rsquo;s Python versions. <code>uv</code> downloads and manages Python versions for you.</p>