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unique()
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Train a field of study (domain) classification of sentences on the MAG dataset
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unique()
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<h1>Reference</h1>
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<h2 id="great_ai.utilities.unique.unique" class="doc doc-heading">
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<code class="highlight language-python"><span class="n">unique</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="o">*</span><span class="p">,</span> <span class="n">key</span><span class="o">=</span><span class="k">lambda</span> <span class="n">v</span><span class="p">:</span> <span class="n">v</span><span class="p">)</span></code>
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<a href="#great_ai.utilities.unique.unique" class="headerlink" title="Permanent link">#</a></h2>
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<div class="doc doc-contents ">
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<p>Keep only the first occurrences while maintaining original order.</p>
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<p>The equality check used for deduplication can be overridden using the <code>key</code> argument.</p>
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<p><strong>Examples:</strong></p>
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<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="gp">>>> </span><span class="n">unique</span><span class="p">([</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">3</span><span class="p">])</span>
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<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="go">[1, 5, 3]</span>
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<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="gp">>>> </span><span class="n">unique</span><span class="p">([{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">2</span><span class="p">},</span> <span class="p">{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">3</span><span class="p">}],</span> <span class="n">key</span><span class="o">=</span><span class="k">lambda</span> <span class="n">v</span><span class="p">:</span> <span class="n">v</span><span class="p">[</span><span class="s1">'a'</span><span class="p">])</span>
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<a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="go">[{'a': 1, 'b': 2}]</span>
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|
<a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="gp">>>> </span><span class="n">unique</span><span class="p">([{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">2</span><span class="p">},</span> <span class="p">{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">3</span><span class="p">}],</span> <span class="n">key</span><span class="o">=</span><span class="k">lambda</span> <span class="n">v</span><span class="p">:</span> <span class="n">v</span><span class="p">[</span><span class="s1">'b'</span><span class="p">])</span>
|
|
<a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="go">[{'a': 1, 'b': 2}, {'a': 1, 'b': 3}]</span>
|
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</code></pre></div>
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|
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<p><strong>Parameters:</strong></p>
|
|
<table>
|
|
<thead>
|
|
<tr>
|
|
<th>Name</th>
|
|
<th>Type</th>
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<th>Description</th>
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<th>Default</th>
|
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</tr>
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|
</thead>
|
|
<tbody>
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<tr>
|
|
<td><code>values</code></td>
|
|
<td>
|
|
<code><span title="typing.Iterable">Iterable</span>[<span title="great_ai.utilities.unique.T">T</span>]</code>
|
|
</td>
|
|
<td><p>An iterable containing your values</p></td>
|
|
<td>
|
|
<em>required</em>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>key</code></td>
|
|
<td>
|
|
<code><span title="typing.Callable">Callable</span>[[<span title="great_ai.utilities.unique.T">T</span>], <span title="typing.Any">Any</span>]</code>
|
|
</td>
|
|
<td><p>Override the identity function of the equality check.</p></td>
|
|
<td>
|
|
<code>lambda v: v</code>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
|
|
<p><strong>Returns:</strong></p>
|
|
<table>
|
|
<thead>
|
|
<tr>
|
|
<th>Type</th>
|
|
<th>Description</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code><span title="typing.List">List</span>[<span title="great_ai.utilities.unique.T">T</span>]</code>
|
|
</td>
|
|
<td><p>A deduplicated list.</p></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
|
|
<details class="quote">
|
|
<summary>Source code in <code>great_ai/utilities/unique.py</code></summary>
|
|
<div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-6"> 6</a></span>
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|
<span class="normal"><a href="#__codelineno-0-7"> 7</a></span>
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|
<span class="normal"><a href="#__codelineno-0-8"> 8</a></span>
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|
<span class="normal"><a href="#__codelineno-0-9"> 9</a></span>
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|
<span class="normal"><a href="#__codelineno-0-10">10</a></span>
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|
<span class="normal"><a href="#__codelineno-0-11">11</a></span>
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|
<span class="normal"><a href="#__codelineno-0-12">12</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-13">13</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-14">14</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-15">15</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-16">16</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-17">17</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-18">18</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-19">19</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-20">20</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-21">21</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-22">22</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-23">23</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-24">24</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-25">25</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-26">26</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-27">27</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-28">28</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-29">29</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-30">30</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-31">31</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-32">32</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-33">33</a></span>
|
|
<span class="normal"><a href="#__codelineno-0-34">34</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-6" name="__codelineno-0-6"></a><span class="k">def</span> <span class="nf">unique</span><span class="p">(</span><span class="n">values</span><span class="p">:</span> <span class="n">Iterable</span><span class="p">[</span><span class="n">T</span><span class="p">],</span> <span class="o">*</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="n">Callable</span><span class="p">[[</span><span class="n">T</span><span class="p">],</span> <span class="n">Any</span><span class="p">]</span> <span class="o">=</span> <span class="k">lambda</span> <span class="n">v</span><span class="p">:</span> <span class="n">v</span><span class="p">)</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="n">T</span><span class="p">]:</span>
|
|
<a id="__codelineno-0-7" name="__codelineno-0-7"></a> <span class="sd">"""Keep only the first occurrences while maintaining original order.</span>
|
|
<a id="__codelineno-0-8" name="__codelineno-0-8"></a>
|
|
<a id="__codelineno-0-9" name="__codelineno-0-9"></a><span class="sd"> The equality check used for deduplication can be overridden using the `key` argument.</span>
|
|
<a id="__codelineno-0-10" name="__codelineno-0-10"></a>
|
|
<a id="__codelineno-0-11" name="__codelineno-0-11"></a><span class="sd"> Examples:</span>
|
|
<a id="__codelineno-0-12" name="__codelineno-0-12"></a><span class="sd"> >>> unique([1, 1, 5, 3, 3])</span>
|
|
<a id="__codelineno-0-13" name="__codelineno-0-13"></a><span class="sd"> [1, 5, 3]</span>
|
|
<a id="__codelineno-0-14" name="__codelineno-0-14"></a><span class="sd"> >>> unique([{'a': 1, 'b': 2}, {'a': 1, 'b': 3}], key=lambda v: v['a'])</span>
|
|
<a id="__codelineno-0-15" name="__codelineno-0-15"></a><span class="sd"> [{'a': 1, 'b': 2}]</span>
|
|
<a id="__codelineno-0-16" name="__codelineno-0-16"></a><span class="sd"> >>> unique([{'a': 1, 'b': 2}, {'a': 1, 'b': 3}], key=lambda v: v['b'])</span>
|
|
<a id="__codelineno-0-17" name="__codelineno-0-17"></a><span class="sd"> [{'a': 1, 'b': 2}, {'a': 1, 'b': 3}]</span>
|
|
<a id="__codelineno-0-18" name="__codelineno-0-18"></a>
|
|
<a id="__codelineno-0-19" name="__codelineno-0-19"></a><span class="sd"> Args:</span>
|
|
<a id="__codelineno-0-20" name="__codelineno-0-20"></a><span class="sd"> values: An iterable containing your values</span>
|
|
<a id="__codelineno-0-21" name="__codelineno-0-21"></a><span class="sd"> key: Override the identity function of the equality check.</span>
|
|
<a id="__codelineno-0-22" name="__codelineno-0-22"></a>
|
|
<a id="__codelineno-0-23" name="__codelineno-0-23"></a><span class="sd"> Returns:</span>
|
|
<a id="__codelineno-0-24" name="__codelineno-0-24"></a><span class="sd"> A deduplicated list.</span>
|
|
<a id="__codelineno-0-25" name="__codelineno-0-25"></a><span class="sd"> """</span>
|
|
<a id="__codelineno-0-26" name="__codelineno-0-26"></a>
|
|
<a id="__codelineno-0-27" name="__codelineno-0-27"></a> <span class="n">key_values</span> <span class="o">=</span> <span class="p">{}</span>
|
|
<a id="__codelineno-0-28" name="__codelineno-0-28"></a> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">values</span><span class="p">:</span>
|
|
<a id="__codelineno-0-29" name="__codelineno-0-29"></a> <span class="n">k</span> <span class="o">=</span> <span class="n">key</span><span class="p">(</span><span class="n">v</span><span class="p">)</span>
|
|
<a id="__codelineno-0-30" name="__codelineno-0-30"></a> <span class="k">if</span> <span class="n">k</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_values</span><span class="p">:</span>
|
|
<a id="__codelineno-0-31" name="__codelineno-0-31"></a> <span class="c1"># dicts maintain insertion order: https://mail.python.org/pipermail/python-dev/2017-December/151283.html</span>
|
|
<a id="__codelineno-0-32" name="__codelineno-0-32"></a> <span class="n">key_values</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="n">v</span>
|
|
<a id="__codelineno-0-33" name="__codelineno-0-33"></a>
|
|
<a id="__codelineno-0-34" name="__codelineno-0-34"></a> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">key_values</span><span class="o">.</span><span class="n">values</span><span class="p">())</span>
|
|
</code></pre></div></td></tr></table></div>
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