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<h1>Source code for astropy.units.format.console</h1><div class="highlight"><pre>
<span class="c"># -*- coding: utf-8 -*-</span>
<span class="c"># Licensed under a 3-clause BSD style license - see LICENSE.rst</span>
<span class="sd">"""</span>
<span class="sd">Handles the "Console" unit format.</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="p">(</span><span class="n">absolute_import</span><span class="p">,</span> <span class="n">division</span><span class="p">,</span> <span class="n">print_function</span><span class="p">,</span>
<span class="n">unicode_literals</span><span class="p">)</span>
<span class="kn">from</span> <span class="nn">.</span> <span class="kn">import</span> <span class="n">base</span>
<span class="kn">from</span> <span class="nn">.</span> <span class="kn">import</span> <span class="n">utils</span>
<div class="viewcode-block" id="Console"><a class="viewcode-back" href="../../../../_generated/astropy.units.format.console.Console.html#astropy.units.format.console.Console">[docs]</a><span class="k">class</span> <span class="nc">Console</span><span class="p">(</span><span class="n">base</span><span class="o">.</span><span class="n">Base</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Output-only format for to display pretty formatting at the</span>
<span class="sd"> console.</span>
<span class="sd"> For example::</span>
<span class="sd"> >>> print fluxunit.to_string('console')</span>
<span class="sd"> erg</span>
<span class="sd"> ------</span>
<span class="sd"> s cm^2</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">pass</span>
<span class="n">_times</span> <span class="o">=</span> <span class="s">"*"</span>
<span class="n">_line</span> <span class="o">=</span> <span class="s">"-"</span>
<span class="k">def</span> <span class="nf">_get_unit_name</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">unit</span><span class="p">):</span>
<span class="k">return</span> <span class="n">unit</span><span class="o">.</span><span class="n">get_format_name</span><span class="p">(</span><span class="s">'console'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_format_superscript</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">number</span><span class="p">):</span>
<span class="k">return</span> <span class="s">'^{0}'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">number</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_format_unit_list</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">units</span><span class="p">):</span>
<span class="n">out</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">base</span><span class="p">,</span> <span class="n">power</span> <span class="ow">in</span> <span class="n">units</span><span class="p">:</span>
<span class="k">if</span> <span class="n">power</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
<span class="n">out</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_get_unit_name</span><span class="p">(</span><span class="n">base</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">out</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">'{0}{1}'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_get_unit_name</span><span class="p">(</span><span class="n">base</span><span class="p">),</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_format_superscript</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">power</span><span class="p">))))</span>
<span class="k">return</span> <span class="s">' '</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">out</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_format_exponential_notation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">val</span><span class="p">):</span>
<span class="n">m</span><span class="p">,</span> <span class="n">ex</span> <span class="o">=</span> <span class="n">utils</span><span class="o">.</span><span class="n">split_mantissa_exponent</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<span class="n">parts</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">if</span> <span class="n">m</span><span class="p">:</span>
<span class="n">parts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">m</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ex</span><span class="p">:</span>
<span class="n">parts</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"10{0}"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_format_superscript</span><span class="p">(</span><span class="n">ex</span><span class="p">)))</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_times</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span>
<div class="viewcode-block" id="Console.to_string"><a class="viewcode-back" href="../../../../_generated/astropy.units.format.console.Console.html#astropy.units.format.console.Console.to_string">[docs]</a> <span class="k">def</span> <span class="nf">to_string</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">unit</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">..</span> <span class="kn">import</span> <span class="n">core</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unit</span><span class="p">,</span> <span class="n">core</span><span class="o">.</span><span class="n">CompositeUnit</span><span class="p">):</span>
<span class="k">if</span> <span class="n">unit</span><span class="o">.</span><span class="n">scale</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
<span class="n">s</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_format_exponential_notation</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">scale</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">s</span> <span class="o">=</span> <span class="s">''</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">bases</span><span class="p">):</span>
<span class="n">positives</span><span class="p">,</span> <span class="n">negatives</span> <span class="o">=</span> <span class="n">utils</span><span class="o">.</span><span class="n">get_grouped_by_powers</span><span class="p">(</span>
<span class="n">unit</span><span class="o">.</span><span class="n">bases</span><span class="p">,</span> <span class="n">unit</span><span class="o">.</span><span class="n">powers</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">negatives</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">positives</span><span class="p">):</span>
<span class="n">positives</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_format_unit_list</span><span class="p">(</span><span class="n">positives</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">positives</span> <span class="o">=</span> <span class="s">'1'</span>
<span class="n">negatives</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_format_unit_list</span><span class="p">(</span><span class="n">negatives</span><span class="p">)</span>
<span class="n">l</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">positives</span><span class="p">),</span> <span class="nb">len</span><span class="p">(</span><span class="n">negatives</span><span class="p">))</span>
<span class="n">f</span> <span class="o">=</span> <span class="s">"{{0:^{0}s}} {{1:^{1}s}}"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">l</span><span class="p">,</span> <span class="n">r</span><span class="p">)</span>
<span class="n">lines</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">f</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="s">''</span><span class="p">,</span> <span class="n">positives</span><span class="p">),</span>
<span class="n">f</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_line</span> <span class="o">*</span> <span class="n">r</span><span class="p">),</span>
<span class="n">f</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="s">''</span><span class="p">,</span> <span class="n">negatives</span><span class="p">)</span>
<span class="p">]</span>
<span class="n">s</span> <span class="o">=</span> <span class="s">'</span><span class="se">\n</span><span class="s">'</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">positives</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_format_unit_list</span><span class="p">(</span><span class="n">positives</span><span class="p">)</span>
<span class="n">s</span> <span class="o">+=</span> <span class="n">positives</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unit</span><span class="p">,</span> <span class="n">core</span><span class="o">.</span><span class="n">NamedUnit</span><span class="p">):</span>
<span class="n">s</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_unit_name</span><span class="p">(</span><span class="n">unit</span><span class="p">)</span>
<span class="k">return</span> <span class="n">s</span></div></div>
</pre></div>
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