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View code on Github</a>
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<div class="highlight"><pre><span class="lineno">1</span><span></span><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Callable</span>
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<span class="lineno">2</span>
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<span class="lineno">3</span><span class="kn">from</span> <span class="nn">labml.configs</span> <span class="kn">import</span> <span class="n">BaseConfigs</span><span class="p">,</span> <span class="n">option</span></pre></div>
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<a href='#section-1'>#</a>
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<p> <a id="TokenizerConfigs"></a></p>
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<h2>Tokenizer Configurations</h2>
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<div class="highlight"><pre><span class="lineno">6</span><span class="k">class</span> <span class="nc">TokenizerConfigs</span><span class="p">(</span><span class="n">BaseConfigs</span><span class="p">):</span></pre></div>
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<div class="highlight"><pre><span class="lineno">13</span> <span class="n">tokenizer</span><span class="p">:</span> <span class="n">Callable</span> <span class="o">=</span> <span class="s1">'character'</span></pre></div>
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<div class="highlight"><pre><span class="lineno">15</span> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="lineno">16</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">_primary</span><span class="o">=</span><span class="s1">'tokenizer'</span><span class="p">)</span></pre></div>
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<a href='#section-4'>#</a>
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</div>
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<h3>Basic english tokenizer</h3>
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<p>We use character level tokenizer in this experiment. You can switch by setting,</p>
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<pre class="highlight lang-"><code><span></span><span class="s1">'tokenizer'</span><span class="p">:</span> <span class="s1">'basic_english'</span></code></pre>
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<p>in the configurations dictionary when starting the experiment.</p>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">19</span><span class="nd">@option</span><span class="p">(</span><span class="n">TokenizerConfigs</span><span class="o">.</span><span class="n">tokenizer</span><span class="p">)</span>
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<span class="lineno">20</span><span class="k">def</span> <span class="nf">basic_english</span><span class="p">():</span></pre></div>
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<a href='#section-5'>#</a>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">34</span> <span class="kn">from</span> <span class="nn">torchtext.data</span> <span class="kn">import</span> <span class="n">get_tokenizer</span>
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<span class="lineno">35</span> <span class="k">return</span> <span class="n">get_tokenizer</span><span class="p">(</span><span class="s1">'basic_english'</span><span class="p">)</span></pre></div>
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<a href='#section-6'>#</a>
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<h3>Character level tokenizer</h3>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">38</span><span class="k">def</span> <span class="nf">character_tokenizer</span><span class="p">(</span><span class="n">x</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span></pre></div>
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<a href='#section-7'>#</a>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">42</span> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></pre></div>
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<p> Character level tokenizer configuration</p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">45</span><span class="nd">@option</span><span class="p">(</span><span class="n">TokenizerConfigs</span><span class="o">.</span><span class="n">tokenizer</span><span class="p">)</span>
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<span class="lineno">46</span><span class="k">def</span> <span class="nf">character</span><span class="p">():</span></pre></div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">50</span> <span class="k">return</span> <span class="n">character_tokenizer</span></pre></div>
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