https://www.knightli.com/es/tags/folder-compression/ Recent content in Folder-Compression on KnightLi Blog Hugo -- gohugo.io es Sun, 09 Feb 2025 00:00:00 +0000 https://www.knightli.com/es/2025/02/09/python-zip-and-7z-encrypted-archives/ Sun, 09 Feb 2025 00:00:00 +0000 https://www.knightli.com/es/2025/02/09/python-zip-and-7z-encrypted-archives/ <h2 id="compresión-de-formato-zip">Compresión de formato ZIP </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span><span class="lnt">6 </span><span class="lnt">7 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="kn">import</span> <span class="nn">pyzipper</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="k">with</span> <span class="n">pyzipper</span><span class="o">.</span><span class="n">AESZipFile</span><span class="p">(</span><span class="n">dest</span> <span class="o">+</span> <span class="s1">&#39;.zip&#39;</span><span class="p">,</span> <span class="s2">&#34;w&#34;</span><span class="p">,</span> <span class="n">encryption</span><span class="o">=</span><span class="n">pyzipper</span><span class="o">.</span><span class="n">WZ_AES</span><span class="p">)</span> <span class="k">as</span> <span class="n">zf</span><span class="p">:</span> </span></span><span class="line"><span class="cl"> <span class="n">zf</span><span class="o">.</span><span class="n">setpassword</span><span class="p">(</span><span class="sa">b</span><span class="s2">&#34;password&#34;</span><span class="p">)</span> </span></span><span class="line"><span class="cl"> <span class="k">for</span> <span class="n">file</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="n">dest</span><span class="p">):</span> </span></span><span class="line"><span class="cl"> <span class="n">fullfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">dest</span><span class="p">,</span> <span class="n">file</span><span class="p">)</span> </span></span><span class="line"><span class="cl"> <span class="n">zf</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">fullfile</span><span class="p">,</span> <span class="n">file</span><span class="p">)</span> </span></span></code></pre></td></tr></table> </div> </div><ul> <li><code>importar pyzipper</code> vs <code>importar archivo zip</code><br> <code>pyzipper</code> es mayoritariamente compatible con API con <code>zipfile</code>.<br> <code>zipfile</code> puede usar contraseñas principalmente al extraer, pero no admite la creación de archivos ZIP cifrados con AES. <code>pyzipper</code> admite la creación de archivos ZIP cifrados.</li> <li><code>zf.write(ruta1, ruta2)</code><br> <code>path1</code>: ruta del archivo fuente para comprimir<br> <code>path2</code>: ruta dentro del archivo ZIP</li> <li><code>pyzipper.AESZipFile</code></li> <li></li> <li>Parámetros relacionados con el cifrado<br> <code>encryption=pyzipper.WZ_AES</code> (cifrado AES)<br> <code>zf.setpassword(b&quot;contraseña&quot;)</code> (establecer contraseña)</li> </ul> <h2 id="compresión-de-formato-7z">Compresión de formato 7z </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="kn">import</span> <span class="nn">py7zr</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="k">with</span> <span class="n">py7zr</span><span class="o">.</span><span class="n">SevenZipFile</span><span class="p">(</span><span class="n">dest</span> <span class="o">+</span> <span class="s1">&#39;.7z&#39;</span><span class="p">,</span> <span class="s1">&#39;w&#39;</span><span class="p">,</span> <span class="n">password</span><span class="o">=</span><span class="s1">&#39;password&#39;</span><span class="p">)</span> <span class="k">as</span> <span class="n">archive</span><span class="p">:</span> </span></span><span class="line"><span class="cl"> <span class="n">archive</span><span class="o">.</span><span class="n">writeall</span><span class="p">(</span><span class="n">dest</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">)</span> </span></span></code></pre></td></tr></table> </div> </div><ul> <li> <p><code>archivo.writeall(ruta1, ruta2)</code><br> <code>path1</code>: ruta de origen para comprimir (puede ser un directorio)<br> <code>path2</code>: ruta de destino dentro del archivo 7z; <code>''</code> significa raíz del archivo</p> </li> <li> <p>Parámetro de cifrado<br> <code>contraseña='contraseña'</code></p> </li> </ul>