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<h1>Source code for horizon.templatetags.sizeformat</h1><div class="highlight"><pre>
<span class="c"># vim: tabstop=4 shiftwidth=4 softtabstop=4</span>
<span class="c"># Copyright 2012 United States Government as represented by the</span>
<span class="c"># Administrator of the National Aeronautics and Space Administration.</span>
<span class="c"># All Rights Reserved.</span>
<span class="c">#</span>
<span class="c"># Copyright 2012 Nebula, Inc.</span>
<span class="c">#</span>
<span class="c"># Licensed under the Apache License, Version 2.0 (the "License"); you may</span>
<span class="c"># not use this file except in compliance with the License. You may obtain</span>
<span class="c"># a copy of the License at</span>
<span class="c">#</span>
<span class="c"># http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="c">#</span>
<span class="c"># Unless required by applicable law or agreed to in writing, software</span>
<span class="c"># distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span>
<span class="c"># WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</span>
<span class="c"># License for the specific language governing permissions and limitations</span>
<span class="c"># under the License.</span>
<span class="sd">"""</span>
<span class="sd">Template tags for displaying sizes</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">django</span> <span class="kn">import</span> <span class="n">template</span>
<span class="kn">from</span> <span class="nn">django.utils</span> <span class="kn">import</span> <span class="n">translation</span>
<span class="kn">from</span> <span class="nn">django.utils</span> <span class="kn">import</span> <span class="n">formats</span>
<span class="n">register</span> <span class="o">=</span> <span class="n">template</span><span class="o">.</span><span class="n">Library</span><span class="p">()</span>
<div class="viewcode-block" id="int_format"><a class="viewcode-back" href="../../../sourcecode/horizon/horizon.templatetags.sizeformat.html#horizon.templatetags.sizeformat.int_format">[docs]</a><span class="k">def</span> <span class="nf">int_format</span><span class="p">(</span><span class="n">value</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">int</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="float_format"><a class="viewcode-back" href="../../../sourcecode/horizon/horizon.templatetags.sizeformat.html#horizon.templatetags.sizeformat.float_format">[docs]</a><span class="k">def</span> <span class="nf">float_format</span><span class="p">(</span><span class="n">value</span><span class="p">):</span>
<span class="k">return</span> <span class="n">formats</span><span class="o">.</span><span class="n">number_format</span><span class="p">(</span><span class="nb">round</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="mi">0</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="filesizeformat"><a class="viewcode-back" href="../../../sourcecode/horizon/horizon.templatetags.sizeformat.html#horizon.templatetags.sizeformat.filesizeformat">[docs]</a><span class="k">def</span> <span class="nf">filesizeformat</span><span class="p">(</span><span class="nb">bytes</span><span class="p">,</span> <span class="n">filesize_number_format</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="nb">bytes</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="nb">bytes</span><span class="p">)</span>
<span class="k">except</span> <span class="p">(</span><span class="ne">TypeError</span><span class="p">,</span> <span class="ne">ValueError</span><span class="p">,</span> <span class="ne">UnicodeDecodeError</span><span class="p">):</span>
<span class="k">return</span> <span class="n">translation</span><span class="o">.</span><span class="n">ungettext</span><span class="p">(</span><span class="s">"</span><span class="si">%(size)d</span><span class="s"> byte"</span><span class="p">,</span>
<span class="s">"</span><span class="si">%(size)d</span><span class="s"> bytes"</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="o">%</span> <span class="p">{</span><span class="s">'size'</span><span class="p">:</span> <span class="mi">0</span><span class="p">}</span>
<span class="k">if</span> <span class="nb">bytes</span> <span class="o"><</span> <span class="mi">1024</span><span class="p">:</span>
<span class="k">return</span> <span class="n">translation</span><span class="o">.</span><span class="n">ungettext</span><span class="p">(</span><span class="s">"</span><span class="si">%(size)d</span><span class="s">"</span><span class="p">,</span>
<span class="s">"</span><span class="si">%(size)d</span><span class="s">"</span><span class="p">,</span> <span class="nb">bytes</span><span class="p">)</span> <span class="o">%</span> <span class="p">{</span><span class="s">'size'</span><span class="p">:</span> <span class="nb">bytes</span><span class="p">}</span>
<span class="k">if</span> <span class="nb">bytes</span> <span class="o"><</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">:</span>
<span class="k">return</span> <span class="n">translation</span><span class="o">.</span><span class="n">ugettext</span><span class="p">(</span><span class="s">"</span><span class="si">%s</span><span class="s"> KB"</span><span class="p">)</span> <span class="o">%</span> \
<span class="n">filesize_number_format</span><span class="p">(</span><span class="nb">bytes</span> <span class="o">/</span> <span class="mi">1024</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">bytes</span> <span class="o"><</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">:</span>
<span class="k">return</span> <span class="n">translation</span><span class="o">.</span><span class="n">ugettext</span><span class="p">(</span><span class="s">"</span><span class="si">%s</span><span class="s"> MB"</span><span class="p">)</span> <span class="o">%</span> \
<span class="n">filesize_number_format</span><span class="p">(</span><span class="nb">bytes</span> <span class="o">/</span> <span class="p">(</span><span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">))</span>
<span class="k">if</span> <span class="nb">bytes</span> <span class="o"><</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">:</span>
<span class="k">return</span> <span class="n">translation</span><span class="o">.</span><span class="n">ugettext</span><span class="p">(</span><span class="s">"</span><span class="si">%s</span><span class="s"> GB"</span><span class="p">)</span> <span class="o">%</span> \
<span class="n">filesize_number_format</span><span class="p">(</span><span class="nb">bytes</span> <span class="o">/</span> <span class="p">(</span><span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">))</span>
<span class="k">if</span> <span class="nb">bytes</span> <span class="o"><</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">:</span>
<span class="k">return</span> <span class="n">translation</span><span class="o">.</span><span class="n">ugettext</span><span class="p">(</span><span class="s">"</span><span class="si">%s</span><span class="s"> TB"</span><span class="p">)</span> <span class="o">%</span> \
<span class="n">filesize_number_format</span><span class="p">(</span><span class="nb">bytes</span> <span class="o">/</span> <span class="p">(</span><span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">))</span>
<span class="k">return</span> <span class="n">translation</span><span class="o">.</span><span class="n">ugettext</span><span class="p">(</span><span class="s">"</span><span class="si">%s</span><span class="s"> PB"</span><span class="p">)</span> <span class="o">%</span> \
<span class="n">filesize_number_format</span><span class="p">(</span><span class="nb">bytes</span> <span class="o">/</span> <span class="p">(</span><span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">))</span>
</div>
<span class="nd">@register.filter</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s">'mbformat'</span><span class="p">)</span>
<div class="viewcode-block" id="mbformat"><a class="viewcode-back" href="../../../sourcecode/horizon/horizon.templatetags.sizeformat.html#horizon.templatetags.sizeformat.mbformat">[docs]</a><span class="k">def</span> <span class="nf">mbformat</span><span class="p">(</span><span class="n">mb</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">mb</span><span class="p">:</span>
<span class="k">return</span> <span class="mi">0</span>
<span class="k">return</span> <span class="n">filesizeformat</span><span class="p">(</span><span class="n">mb</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">,</span> <span class="n">int_format</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">' '</span><span class="p">,</span> <span class="s">''</span><span class="p">)</span>
</div>
<span class="nd">@register.filter</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s">'diskgbformat'</span><span class="p">)</span>
<div class="viewcode-block" id="diskgbformat"><a class="viewcode-back" href="../../../sourcecode/horizon/horizon.templatetags.sizeformat.html#horizon.templatetags.sizeformat.diskgbformat">[docs]</a><span class="k">def</span> <span class="nf">diskgbformat</span><span class="p">(</span><span class="n">gb</span><span class="p">):</span>
<span class="k">return</span> <span class="n">filesizeformat</span><span class="p">(</span><span class="n">gb</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span> <span class="o">*</span> <span class="mi">1024</span><span class="p">,</span>
<span class="n">float_format</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">' '</span><span class="p">,</span> <span class="s">''</span><span class="p">)</span></div>
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