uTools-Manuals/docs/python/uu.html

<div class="body" role="main"><div class="section" id="module-uu"><h1><span class="yiyi-st" id="yiyi-10">19.10. <a class="reference internal" href="#module-uu" title="uu: Encode and decode files in uuencode format."><code class="xref py py-mod docutils literal"><span class="pre">uu</span></code></a>  - 对uuencode文件进行编码和解码</span></h1><p><span class="yiyi-st" id="yiyi-11"><strong>源代码：</strong> <a class="reference external" href="https://hg.python.org/cpython/file/3.5/Lib/uu.py">Lib / uu.py</a></span></p><p><span class="yiyi-st" id="yiyi-12">此模块以uuencode格式编码和解码文件，允许任意二进制数据通过仅ASCII连接传输。</span><span class="yiyi-st" id="yiyi-13">无论在何处需要文件参数，这些方法都接受类似于文件的对象。</span><span class="yiyi-st" id="yiyi-14">为了向后兼容，还接受包含路径名的字符串，并且相应的文件将被打开用于读取和写入；路径名<code class="docutils literal"><span class="pre">'-'</span></code>被理解为表示标准输入或输出。</span><span class="yiyi-st" id="yiyi-15">但是，此接口已弃用；调用者最好打开文件本身，并确保在需要时，模式是Windows上的<code class="docutils literal"><span class="pre">'rb'</span></code>或<code class="docutils literal"><span class="pre">'wb'</span></code>。</span></p><p id="index-0"><span class="yiyi-st" id="yiyi-16">此代码由Lance Ellinghouse贡献，并由Jack Jansen修改。</span></p><p><span class="yiyi-st" id="yiyi-17"><a class="reference internal" href="#module-uu" title="uu: Encode and decode files in uuencode format."><code class="xref py py-mod docutils literal"><span class="pre">uu</span></code></a>模块定义了以下功能：</span></p><dl class="function"><dt id="uu.encode"><span class="yiyi-st" id="yiyi-18"> <code class="descclassname">uu.</code><code class="descname">encode</code><span class="sig-paren">(</span><em>in_file</em>, <em>out_file</em>, <em>name=None</em>, <em>mode=None</em><span class="sig-paren">)</span></span></dt><dd><p><span class="yiyi-st" id="yiyi-19">Uuencode文件<em>in_file</em>导入文件<em>out_file</em>。</span><span class="yiyi-st" id="yiyi-20">uuencoded文件将具有指定<em>名称</em>和<em>模式</em>的标题作为解码文件的结果的默认值。</span><span class="yiyi-st" id="yiyi-21">默认默认值分别取自<em>in_file</em>或<code class="docutils literal"><span class="pre">'-'</span></code>和<code class="docutils literal"><span class="pre">0o666</span></code>。</span></p></dd></dl><dl class="function"><dt id="uu.decode"><span class="yiyi-st" id="yiyi-22"> <code class="descclassname">uu.</code><code class="descname">decode</code><span class="sig-paren">(</span><em>in_file</em>, <em>out_file=None</em>, <em>mode=None</em>, <em>quiet=False</em><span class="sig-paren">)</span></span></dt><dd><p><span class="yiyi-st" id="yiyi-23">此调用会将uuencoded文件<em>in_file</em>解码，将结果放在文件<em>out_file</em>上。</span><span class="yiyi-st" id="yiyi-24">如果<em>out_file</em>是路径名，则如果必须创建文件，则使用<em>模式</em>设置权限位。</span><span class="yiyi-st" id="yiyi-25">默认值为<em>out_file</em>和<em>模式</em>取自uuencode标头。</span><span class="yiyi-st" id="yiyi-26">但是，如果头中指定的文件已经存在，则会引发<a class="reference internal" href="#uu.Error" title="uu.Error"><code class="xref py py-exc docutils literal"><span class="pre">uu.Error</span></code></a>。</span></p><p><span class="yiyi-st" id="yiyi-27">如果输入由不正确的uuencoder生成，并且Python可以从该错误中恢复，则<a class="reference internal" href="#uu.decode" title="uu.decode"><code class="xref py py-func docutils literal"><span class="pre">decode()</span></code></a>可能会向标准错误打印警告。</span><span class="yiyi-st" id="yiyi-28">将<em>quiet</em>设置为true值会使此警告静音。</span></p></dd></dl><dl class="exception"><dt id="uu.Error"><span class="yiyi-st" id="yiyi-29"> <em class="property">exception </em><code class="descclassname">uu.</code><code class="descname">Error</code></span></dt><dd><p><span class="yiyi-st" id="yiyi-30"><a class="reference internal" href="exceptions.html#Exception" title="Exception"><code class="xref py py-exc docutils literal"><span class="pre">Exception</span></code></a>的子类，这可以在各种情况下（如上所述）由<a class="reference internal" href="#uu.decode" title="uu.decode"><code class="xref py py-func docutils literal"><span class="pre">uu.decode()</span></code></a>提出，但也包括格式错误的标头或截断的输入文件。</span></p></dd></dl><div class="admonition seealso"><p class="first admonition-title"><span class="yiyi-st" id="yiyi-31">也可以看看</span></p><dl class="last docutils"><dt><span class="yiyi-st" id="yiyi-32">模块<a class="reference internal" href="binascii.html#module-binascii" title="binascii: Tools for converting between binary and various ASCII-encoded binary representations."><code class="xref py py-mod docutils literal"><span class="pre">binascii</span></code></a></span></dt><dd><span class="yiyi-st" id="yiyi-33">支持模块包含ASCII到二进制和二进制到ASCII转换。</span></dd></dl></div></div></div>