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<h1>Source code for PIL.ImagePalette</h1><div class="highlight"><pre>
<span></span><span class="c1">#</span>
<span class="c1"># The Python Imaging Library.</span>
<span class="c1"># $Id$</span>
<span class="c1">#</span>
<span class="c1"># image palette object</span>
<span class="c1">#</span>
<span class="c1"># History:</span>
<span class="c1"># 1996-03-11 fl Rewritten.</span>
<span class="c1"># 1997-01-03 fl Up and running.</span>
<span class="c1"># 1997-08-23 fl Added load hack</span>
<span class="c1"># 2001-04-16 fl Fixed randint shadow bug in random()</span>
<span class="c1">#</span>
<span class="c1"># Copyright (c) 1997-2001 by Secret Labs AB</span>
<span class="c1"># Copyright (c) 1996-1997 by Fredrik Lundh</span>
<span class="c1">#</span>
<span class="c1"># See the README file for information on usage and redistribution.</span>
<span class="c1">#</span>
<span class="kn">import</span> <span class="nn">array</span>
<span class="kn">from</span> <span class="nn">.</span> <span class="k">import</span> <span class="n">ImageColor</span><span class="p">,</span> <span class="n">GimpPaletteFile</span><span class="p">,</span> <span class="n">GimpGradientFile</span><span class="p">,</span> <span class="n">PaletteFile</span>
<div class="viewcode-block" id="ImagePalette"><a class="viewcode-back" href="../../reference/ImagePalette.html#PIL.ImagePalette.ImagePalette">[docs]</a><span class="k">class</span> <span class="nc">ImagePalette</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Color palette for palette mapped images</span>
<span class="sd"> :param mode: The mode to use for the Palette. See:</span>
<span class="sd"> :ref:`concept-modes`. Defaults to "RGB"</span>
<span class="sd"> :param palette: An optional palette. If given, it must be a bytearray,</span>
<span class="sd"> an array or a list of ints between 0-255 and of length ``size``</span>
<span class="sd"> times the number of colors in ``mode``. The list must be aligned</span>
<span class="sd"> by channel (All R values must be contiguous in the list before G</span>
<span class="sd"> and B values.) Defaults to 0 through 255 per channel.</span>
<span class="sd"> :param size: An optional palette size. If given, it cannot be equal to</span>
<span class="sd"> or greater than 256. Defaults to 0.</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="n">mode</span><span class="o">=</span><span class="s2">"RGB"</span><span class="p">,</span> <span class="n">palette</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">size</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">=</span> <span class="n">mode</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span> <span class="o">=</span> <span class="kc">None</span> <span class="c1"># if set, palette contains raw data</span>
<span class="bp">self</span><span class="o">.</span><span class="n">palette</span> <span class="o">=</span> <span class="n">palette</span> <span class="ow">or</span> <span class="nb">bytearray</span><span class="p">(</span><span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="p">))</span><span class="o">*</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">colors</span> <span class="o">=</span> <span class="p">{}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dirty</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="p">((</span><span class="n">size</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">)</span><span class="o">*</span><span class="mi">256</span> <span class="o">!=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">))</span> <span class="ow">or</span>
<span class="p">(</span><span class="n">size</span> <span class="o">!=</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">size</span> <span class="o">!=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">))):</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"wrong palette size"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">new</span> <span class="o">=</span> <span class="n">ImagePalette</span><span class="p">()</span>
<span class="n">new</span><span class="o">.</span><span class="n">mode</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span>
<span class="n">new</span><span class="o">.</span><span class="n">rawmode</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">palette</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">new</span><span class="o">.</span><span class="n">palette</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">[:]</span>
<span class="n">new</span><span class="o">.</span><span class="n">colors</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">colors</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
<span class="n">new</span><span class="o">.</span><span class="n">dirty</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">dirty</span>
<span class="k">return</span> <span class="n">new</span>
<div class="viewcode-block" id="ImagePalette.getdata"><a class="viewcode-back" href="../../reference/ImagePalette.html#PIL.ImagePalette.ImagePalette.getdata">[docs]</a> <span class="k">def</span> <span class="nf">getdata</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Get palette contents in format suitable for the low-level</span>
<span class="sd"> ``im.putpalette`` primitive.</span>
<span class="sd"> .. warning:: This method is experimental.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">palette</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">+</span> <span class="s2">";L"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tobytes</span><span class="p">()</span></div>
<div class="viewcode-block" id="ImagePalette.tobytes"><a class="viewcode-back" href="../../reference/ImagePalette.html#PIL.ImagePalette.ImagePalette.tobytes">[docs]</a> <span class="k">def</span> <span class="nf">tobytes</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Convert palette to bytes.</span>
<span class="sd"> .. warning:: This method is experimental.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"palette contains raw palette data"</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">,</span> <span class="nb">bytes</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">palette</span>
<span class="n">arr</span> <span class="o">=</span> <span class="n">array</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="s2">"B"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">arr</span><span class="p">,</span> <span class="s1">'tobytes'</span><span class="p">):</span>
<span class="k">return</span> <span class="n">arr</span><span class="o">.</span><span class="n">tobytes</span><span class="p">()</span>
<span class="k">return</span> <span class="n">arr</span><span class="o">.</span><span class="n">tostring</span><span class="p">()</span></div>
<span class="c1"># Declare tostring as an alias for tobytes</span>
<span class="n">tostring</span> <span class="o">=</span> <span class="n">tobytes</span>
<div class="viewcode-block" id="ImagePalette.getcolor"><a class="viewcode-back" href="../../reference/ImagePalette.html#PIL.ImagePalette.ImagePalette.getcolor">[docs]</a> <span class="k">def</span> <span class="nf">getcolor</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">color</span><span class="p">):</span>
<span class="sd">"""Given an rgb tuple, allocate palette entry.</span>
<span class="sd"> .. warning:: This method is experimental.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"palette contains raw palette data"</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">color</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">colors</span><span class="p">[</span><span class="n">color</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
<span class="c1"># allocate new color slot</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">,</span> <span class="nb">bytes</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">palette</span> <span class="o">=</span> <span class="nb">bytearray</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">)</span>
<span class="n">index</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">colors</span><span class="p">)</span>
<span class="k">if</span> <span class="n">index</span> <span class="o">>=</span> <span class="mi">256</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"cannot allocate more than 256 colors"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">colors</span><span class="p">[</span><span class="n">color</span><span class="p">]</span> <span class="o">=</span> <span class="n">index</span>
<span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">[</span><span class="n">index</span><span class="p">]</span> <span class="o">=</span> <span class="n">color</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">[</span><span class="n">index</span><span class="o">+</span><span class="mi">256</span><span class="p">]</span> <span class="o">=</span> <span class="n">color</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">[</span><span class="n">index</span><span class="o">+</span><span class="mi">512</span><span class="p">]</span> <span class="o">=</span> <span class="n">color</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dirty</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">return</span> <span class="n">index</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"unknown color specifier: </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="n">color</span><span class="p">)</span></div>
<div class="viewcode-block" id="ImagePalette.save"><a class="viewcode-back" href="../../reference/ImagePalette.html#PIL.ImagePalette.ImagePalette.save">[docs]</a> <span class="k">def</span> <span class="nf">save</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">fp</span><span class="p">):</span>
<span class="sd">"""Save palette to text file.</span>
<span class="sd"> .. warning:: This method is experimental.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">rawmode</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"palette contains raw palette data"</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">fp</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="n">fp</span> <span class="o">=</span> <span class="nb">open</span><span class="p">(</span><span class="n">fp</span><span class="p">,</span> <span class="s2">"w"</span><span class="p">)</span>
<span class="n">fp</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">"# Palette</span><span class="se">\n</span><span class="s2">"</span><span class="p">)</span>
<span class="n">fp</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">"# Mode: </span><span class="si">%s</span><span class="se">\n</span><span class="s2">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="p">):</span>
<span class="n">fp</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">"</span><span class="si">%d</span><span class="s2">"</span> <span class="o">%</span> <span class="n">i</span><span class="p">)</span>
<span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">i</span><span class="o">*</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">),</span> <span class="p">(</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span><span class="o">*</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mode</span><span class="p">)):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">fp</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">" </span><span class="si">%d</span><span class="s2">"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">palette</span><span class="p">[</span><span class="n">j</span><span class="p">])</span>
<span class="k">except</span> <span class="ne">IndexError</span><span class="p">:</span>
<span class="n">fp</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">" 0"</span><span class="p">)</span>
<span class="n">fp</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="p">)</span>
<span class="n">fp</span><span class="o">.</span><span class="n">close</span><span class="p">()</span></div></div>
<span class="c1"># --------------------------------------------------------------------</span>
<span class="c1"># Internal</span>
<span class="k">def</span> <span class="nf">raw</span><span class="p">(</span><span class="n">rawmode</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
<span class="n">palette</span> <span class="o">=</span> <span class="n">ImagePalette</span><span class="p">()</span>
<span class="n">palette</span><span class="o">.</span><span class="n">rawmode</span> <span class="o">=</span> <span class="n">rawmode</span>
<span class="n">palette</span><span class="o">.</span><span class="n">palette</span> <span class="o">=</span> <span class="n">data</span>
<span class="n">palette</span><span class="o">.</span><span class="n">dirty</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">return</span> <span class="n">palette</span>
<span class="c1"># --------------------------------------------------------------------</span>
<span class="c1"># Factories</span>
<span class="k">def</span> <span class="nf">make_linear_lut</span><span class="p">(</span><span class="n">black</span><span class="p">,</span> <span class="n">white</span><span class="p">):</span>
<span class="n">lut</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">if</span> <span class="n">black</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="p">):</span>
<span class="n">lut</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">white</span><span class="o">*</span><span class="n">i</span><span class="o">//</span><span class="mi">255</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span> <span class="c1"># FIXME</span>
<span class="k">return</span> <span class="n">lut</span>
<span class="k">def</span> <span class="nf">make_gamma_lut</span><span class="p">(</span><span class="n">exp</span><span class="p">):</span>
<span class="n">lut</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="p">):</span>
<span class="n">lut</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">int</span><span class="p">(((</span><span class="n">i</span> <span class="o">/</span> <span class="mf">255.0</span><span class="p">)</span> <span class="o">**</span> <span class="n">exp</span><span class="p">)</span> <span class="o">*</span> <span class="mf">255.0</span> <span class="o">+</span> <span class="mf">0.5</span><span class="p">))</span>
<span class="k">return</span> <span class="n">lut</span>
<span class="k">def</span> <span class="nf">negative</span><span class="p">(</span><span class="n">mode</span><span class="o">=</span><span class="s2">"RGB"</span><span class="p">):</span>
<span class="n">palette</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="p">))</span>
<span class="n">palette</span><span class="o">.</span><span class="n">reverse</span><span class="p">()</span>
<span class="k">return</span> <span class="n">ImagePalette</span><span class="p">(</span><span class="n">mode</span><span class="p">,</span> <span class="n">palette</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">mode</span><span class="p">))</span>
<span class="k">def</span> <span class="nf">random</span><span class="p">(</span><span class="n">mode</span><span class="o">=</span><span class="s2">"RGB"</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">random</span> <span class="k">import</span> <span class="n">randint</span>
<span class="n">palette</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="o">*</span><span class="nb">len</span><span class="p">(</span><span class="n">mode</span><span class="p">)):</span>
<span class="n">palette</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">255</span><span class="p">))</span>
<span class="k">return</span> <span class="n">ImagePalette</span><span class="p">(</span><span class="n">mode</span><span class="p">,</span> <span class="n">palette</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">sepia</span><span class="p">(</span><span class="n">white</span><span class="o">=</span><span class="s2">"#fff0c0"</span><span class="p">):</span>
<span class="n">r</span><span class="p">,</span> <span class="n">g</span><span class="p">,</span> <span class="n">b</span> <span class="o">=</span> <span class="n">ImageColor</span><span class="o">.</span><span class="n">getrgb</span><span class="p">(</span><span class="n">white</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">make_linear_lut</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">r</span><span class="p">)</span>
<span class="n">g</span> <span class="o">=</span> <span class="n">make_linear_lut</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">g</span><span class="p">)</span>
<span class="n">b</span> <span class="o">=</span> <span class="n">make_linear_lut</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span>
<span class="k">return</span> <span class="n">ImagePalette</span><span class="p">(</span><span class="s2">"RGB"</span><span class="p">,</span> <span class="n">r</span> <span class="o">+</span> <span class="n">g</span> <span class="o">+</span> <span class="n">b</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">wedge</span><span class="p">(</span><span class="n">mode</span><span class="o">=</span><span class="s2">"RGB"</span><span class="p">):</span>
<span class="k">return</span> <span class="n">ImagePalette</span><span class="p">(</span><span class="n">mode</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="nb">range</span><span class="p">(</span><span class="mi">256</span><span class="p">))</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">mode</span><span class="p">))</span>
<span class="k">def</span> <span class="nf">load</span><span class="p">(</span><span class="n">filename</span><span class="p">):</span>
<span class="c1"># FIXME: supports GIMP gradients only</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="s2">"rb"</span><span class="p">)</span> <span class="k">as</span> <span class="n">fp</span><span class="p">:</span>
<span class="k">for</span> <span class="n">paletteHandler</span> <span class="ow">in</span> <span class="p">[</span>
<span class="n">GimpPaletteFile</span><span class="o">.</span><span class="n">GimpPaletteFile</span><span class="p">,</span>
<span class="n">GimpGradientFile</span><span class="o">.</span><span class="n">GimpGradientFile</span><span class="p">,</span>
<span class="n">PaletteFile</span><span class="o">.</span><span class="n">PaletteFile</span>
<span class="p">]:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">fp</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
<span class="n">lut</span> <span class="o">=</span> <span class="n">paletteHandler</span><span class="p">(</span><span class="n">fp</span><span class="p">)</span><span class="o">.</span><span class="n">getpalette</span><span class="p">()</span>
<span class="k">if</span> <span class="n">lut</span><span class="p">:</span>
<span class="k">break</span>
<span class="k">except</span> <span class="p">(</span><span class="ne">SyntaxError</span><span class="p">,</span> <span class="ne">ValueError</span><span class="p">):</span>
<span class="c1"># import traceback</span>
<span class="c1"># traceback.print_exc()</span>
<span class="k">pass</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">IOError</span><span class="p">(</span><span class="s2">"cannot load palette"</span><span class="p">)</span>
<span class="k">return</span> <span class="n">lut</span> <span class="c1"># data, rawmode</span>
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