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livecoding10.html
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<!DOCTYPE html>
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<title><no title> — Introduction to spaCy 3</title>
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<h1 class="site-logo" id="site-title">Introduction to spaCy 3</h1>
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<p align="center">
INTRODUCTION TO SPACY 3
</p>
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<span class="caption-text">
The Building Blocks of spaCy 3
</span>
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<li class="toctree-l1">
<a class="reference internal" href="01_01_install_and_containers.html">
1. The Basics of spaCy
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<a class="reference internal" href="01_02_linguistic_annotations.html">
2. spaCy Linguistic Annotations
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3. Word Vectors and spaCy
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4. spaCy Pipelines
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Rules-Based spaCy
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5. How to use the spaCy EntityRuler
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6. How to use the spaCy Matcher
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7. Custom Components in spaCy
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8. How to use RegEx in spaCy (Basic)
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9. How to use RegEx in spaCy (Advanced)
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Applied spaCy
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10. Financial Analysis with spaCy 3
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<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">re</span>
</pre></div>
</div>
</div>
</div>
<div class="cell docutils container">
<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">text</span> <span class="o">=</span> <span class="s2">"Paul Newman was an American actor, but Paul Hollywood is a British TV Host. The name Paul is quite common."</span>
</pre></div>
</div>
</div>
</div>
<div class="cell docutils container">
<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">pattern</span> <span class="o">=</span> <span class="sa">r</span><span class="s2">"Paul [A-Z]\w+"</span>
</pre></div>
</div>
</div>
</div>
<div class="cell docutils container">
<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">matches</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">finditer</span><span class="p">(</span><span class="n">pattern</span><span class="p">,</span> <span class="n">text</span><span class="p">)</span>
<span class="k">for</span> <span class="n">match</span> <span class="ow">in</span> <span class="n">matches</span><span class="p">:</span>
<span class="nb">print</span> <span class="p">(</span><span class="n">match</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="cell_output docutils container">
<div class="output stream highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span><re.Match object; span=(0, 11), match='Paul Newman'>
<re.Match object; span=(39, 53), match='Paul Hollywood'>
</pre></div>
</div>
</div>
</div>
<div class="cell docutils container">
<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">spacy</span>
<span class="kn">from</span> <span class="nn">spacy.tokens</span> <span class="kn">import</span> <span class="n">Span</span>
</pre></div>
</div>
</div>
<div class="cell_output docutils container">
<div class="output stream highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>INFO:tensorflow:Enabling eager execution
INFO:tensorflow:Enabling v2 tensorshape
INFO:tensorflow:Enabling resource variables
INFO:tensorflow:Enabling tensor equality
INFO:tensorflow:Enabling control flow v2
</pre></div>
</div>
</div>
</div>
<div class="cell docutils container">
<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">nlp</span> <span class="o">=</span> <span class="n">spacy</span><span class="o">.</span><span class="n">blank</span><span class="p">(</span><span class="s2">"en"</span><span class="p">)</span>
<span class="n">doc</span> <span class="o">=</span> <span class="n">nlp</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
<span class="nb">print</span> <span class="p">(</span><span class="n">doc</span><span class="o">.</span><span class="n">ents</span><span class="p">)</span>
<span class="n">original_ents</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">doc</span><span class="o">.</span><span class="n">ents</span><span class="p">)</span>
<span class="n">mwt_ents</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">match</span> <span class="ow">in</span> <span class="n">re</span><span class="o">.</span><span class="n">finditer</span><span class="p">(</span><span class="n">pattern</span><span class="p">,</span> <span class="n">doc</span><span class="o">.</span><span class="n">text</span><span class="p">):</span>
<span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">=</span> <span class="n">match</span><span class="o">.</span><span class="n">span</span><span class="p">()</span>
<span class="n">span</span> <span class="o">=</span> <span class="n">doc</span><span class="o">.</span><span class="n">char_span</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span>
<span class="k">if</span> <span class="n">span</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">mwt_ents</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">span</span><span class="o">.</span><span class="n">start</span><span class="p">,</span> <span class="n">span</span><span class="o">.</span><span class="n">end</span><span class="p">,</span> <span class="n">span</span><span class="o">.</span><span class="n">text</span><span class="p">))</span>
<span class="k">for</span> <span class="n">ent</span> <span class="ow">in</span> <span class="n">mwt_ents</span><span class="p">:</span>
<span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">,</span> <span class="n">name</span> <span class="o">=</span> <span class="n">ent</span>
<span class="n">per_ent</span> <span class="o">=</span> <span class="n">Span</span><span class="p">(</span><span class="n">doc</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">,</span> <span class="n">label</span><span class="o">=</span><span class="s2">"PERSON"</span><span class="p">)</span>
<span class="n">original_ents</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">per_ent</span><span class="p">)</span>
<span class="n">doc</span><span class="o">.</span><span class="n">ents</span> <span class="o">=</span> <span class="n">original_ents</span>
<span class="k">for</span> <span class="n">ent</span> <span class="ow">in</span> <span class="n">doc</span><span class="o">.</span><span class="n">ents</span><span class="p">:</span>
<span class="nb">print</span> <span class="p">(</span><span class="n">ent</span><span class="o">.</span><span class="n">text</span><span class="p">,</span> <span class="n">ent</span><span class="o">.</span><span class="n">label_</span><span class="p">)</span>
</pre></div>
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</div>
<div class="cell_output docutils container">
<div class="output stream highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>()
Paul Newman PERSON
Paul Hollywood PERSON
</pre></div>
</div>
</div>
</div>
<div class="cell docutils container">
<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="nb">print</span> <span class="p">(</span><span class="n">mwt_ents</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="cell_output docutils container">
<div class="output stream highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>[(0, 2, 'Paul Newman'), (8, 10, 'Paul Hollywood')]
</pre></div>
</div>
</div>
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<div class="cell docutils container">
<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">spacy.language</span> <span class="kn">import</span> <span class="n">Language</span>
<span class="nd">@Language</span><span class="o">.</span><span class="n">component</span><span class="p">(</span><span class="s2">"paul_ner"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">paul_ner</span><span class="p">(</span><span class="n">doc</span><span class="p">):</span>
<span class="n">pattern</span> <span class="o">=</span> <span class="sa">r</span><span class="s2">"Paul [A-Z]\w+"</span>
<span class="n">original_ents</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">doc</span><span class="o">.</span><span class="n">ents</span><span class="p">)</span>
<span class="n">mwt_ents</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">match</span> <span class="ow">in</span> <span class="n">re</span><span class="o">.</span><span class="n">finditer</span><span class="p">(</span><span class="n">pattern</span><span class="p">,</span> <span class="n">doc</span><span class="o">.</span><span class="n">text</span><span class="p">):</span>
<span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">=</span> <span class="n">match</span><span class="o">.</span><span class="n">span</span><span class="p">()</span>
<span class="n">span</span> <span class="o">=</span> <span class="n">doc</span><span class="o">.</span><span class="n">char_span</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span>
<span class="k">if</span> <span class="n">span</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">mwt_ents</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">span</span><span class="o">.</span><span class="n">start</span><span class="p">,</span> <span class="n">span</span><span class="o">.</span><span class="n">end</span><span class="p">,</span> <span class="n">span</span><span class="o">.</span><span class="n">text</span><span class="p">))</span>
<span class="k">for</span> <span class="n">ent</span> <span class="ow">in</span> <span class="n">mwt_ents</span><span class="p">:</span>
<span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">,</span> <span class="n">name</span> <span class="o">=</span> <span class="n">ent</span>
<span class="n">per_ent</span> <span class="o">=</span> <span class="n">Span</span><span class="p">(</span><span class="n">doc</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">,</span> <span class="n">label</span><span class="o">=</span><span class="s2">"PERSON"</span><span class="p">)</span>
<span class="n">original_ents</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">per_ent</span><span class="p">)</span>
<span class="n">doc</span><span class="o">.</span><span class="n">ents</span> <span class="o">=</span> <span class="n">original_ents</span>
<span class="k">return</span> <span class="p">(</span><span class="n">doc</span><span class="p">)</span>
</pre></div>
</div>
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<div class="cell docutils container">
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<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">nlp2</span> <span class="o">=</span> <span class="n">spacy</span><span class="o">.</span><span class="n">blank</span><span class="p">(</span><span class="s2">"en"</span><span class="p">)</span>
<span class="n">nlp2</span><span class="o">.</span><span class="n">add_pipe</span><span class="p">(</span><span class="s2">"paul_ner"</span><span class="p">)</span>
</pre></div>
</div>
</div>
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<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span><function __main__.paul_ner(doc)>
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<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">doc2</span> <span class="o">=</span> <span class="n">nlp2</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
<span class="nb">print</span> <span class="p">(</span><span class="n">doc2</span><span class="o">.</span><span class="n">ents</span><span class="p">)</span>
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<div class="output stream highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>(Paul Newman, Paul Hollywood)
</pre></div>
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<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">spacy.language</span> <span class="kn">import</span> <span class="n">Language</span>
<span class="kn">from</span> <span class="nn">spacy.util</span> <span class="kn">import</span> <span class="n">filter_spans</span>
<span class="nd">@Language</span><span class="o">.</span><span class="n">component</span><span class="p">(</span><span class="s2">"cinema_ner"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">cinema_ner</span><span class="p">(</span><span class="n">doc</span><span class="p">):</span>
<span class="n">pattern</span> <span class="o">=</span> <span class="sa">r</span><span class="s2">"Hollywood"</span>
<span class="n">original_ents</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">doc</span><span class="o">.</span><span class="n">ents</span><span class="p">)</span>
<span class="n">mwt_ents</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">match</span> <span class="ow">in</span> <span class="n">re</span><span class="o">.</span><span class="n">finditer</span><span class="p">(</span><span class="n">pattern</span><span class="p">,</span> <span class="n">doc</span><span class="o">.</span><span class="n">text</span><span class="p">):</span>
<span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">=</span> <span class="n">match</span><span class="o">.</span><span class="n">span</span><span class="p">()</span>
<span class="n">span</span> <span class="o">=</span> <span class="n">doc</span><span class="o">.</span><span class="n">char_span</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span>
<span class="k">if</span> <span class="n">span</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">mwt_ents</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">span</span><span class="o">.</span><span class="n">start</span><span class="p">,</span> <span class="n">span</span><span class="o">.</span><span class="n">end</span><span class="p">,</span> <span class="n">span</span><span class="o">.</span><span class="n">text</span><span class="p">))</span>
<span class="k">for</span> <span class="n">ent</span> <span class="ow">in</span> <span class="n">mwt_ents</span><span class="p">:</span>
<span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">,</span> <span class="n">name</span> <span class="o">=</span> <span class="n">ent</span>
<span class="n">per_ent</span> <span class="o">=</span> <span class="n">Span</span><span class="p">(</span><span class="n">doc</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">,</span> <span class="n">label</span><span class="o">=</span><span class="s2">"CINEMA"</span><span class="p">)</span>
<span class="n">original_ents</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">per_ent</span><span class="p">)</span>
<span class="n">filtered</span> <span class="o">=</span> <span class="n">filter_spans</span><span class="p">(</span><span class="n">original_ents</span><span class="p">)</span>
<span class="n">doc</span><span class="o">.</span><span class="n">ents</span> <span class="o">=</span> <span class="n">filtered</span>
<span class="k">return</span> <span class="p">(</span><span class="n">doc</span><span class="p">)</span>
</pre></div>
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<div class="cell_input docutils container">
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">nlp3</span> <span class="o">=</span> <span class="n">spacy</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="s2">"en_core_web_sm"</span><span class="p">)</span>
<span class="n">nlp3</span><span class="o">.</span><span class="n">add_pipe</span><span class="p">(</span><span class="s2">"cinema_ner"</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="cell_output docutils container">
<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span><function __main__.cinema_ner(doc)>
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<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">doc3</span> <span class="o">=</span> <span class="n">nlp3</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
<span class="k">for</span> <span class="n">ent</span> <span class="ow">in</span> <span class="n">doc3</span><span class="o">.</span><span class="n">ents</span><span class="p">:</span>
<span class="nb">print</span> <span class="p">(</span><span class="n">ent</span><span class="o">.</span><span class="n">text</span><span class="p">,</span> <span class="n">ent</span><span class="o">.</span><span class="n">label_</span><span class="p">)</span>
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<div class="cell_output docutils container">
<div class="output stream highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>Paul Newman PERSON
American NORP
Paul Hollywood PERSON
British NORP
Paul PERSON
</pre></div>
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