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<li class="md-nav__item">
<a href="#pipelines.extraction.pdf.llm.LLMPdfExtractionPipeline" class="md-nav__link">
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LLMPdfExtractionPipeline
</span>
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<span class="md-ellipsis">
run
</span>
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<span class="md-ellipsis">
LLMSplitterPort
</span>
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clean_raw_lines
</span>
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LLMTxnBlocksPort
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<span class="md-ellipsis">
extract
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<h1 id="llm">Llm</h1>
<div class="doc doc-object doc-module">
<h2 id="pipelines.extraction.pdf.llm" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-module"></code> <span class="doc doc-object-name doc-module-name">pipelines.extraction.pdf.llm</span>
</h2>
<div class="doc doc-contents first">
<h3 id="pipelines.extraction.pdf.llm--summary">Summary</h3>
<p>LLM splitter variant of the pdf family (impl-layer, bank-agnostic).</p>
<hr />
<p><code>LLMSplitterPort</code> is a faithful port of <code>TransactionSplitterLLMAdaptor</code>
(domain/extraction/adaptors/txn_blocks.py) using <code>SyncOpenRouterPool</code>. It
swaps into the pdf chain exactly where <code>ImplSplitterPort</code> sits, so the rest
of the tree (raw_lines → txn_blocks → txn_dicts → raw_expense) is unchanged.</p>
<p><code>LLMPdfExtractionPipeline</code> re-pins only the <code>txn_blocks.splitter</code> slot.</p>
<div class="doc doc-children">
<h3 id="pipelines.extraction.pdf.llm-classes">Classes</h3>
<div class="doc doc-object doc-class">
<h4 id="pipelines.extraction.pdf.llm.LLMPdfExtractionPipeline" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-class"></code> <span class="doc doc-object-name doc-class-name">LLMPdfExtractionPipeline</span>
</h4>
<div class="doc doc-contents ">
<p class="doc doc-class-bases">
Bases: <code><a class="autorefs autorefs-internal" title="pipelines.extraction.pdf.impl.ImplPDFExtractionPipeline" href="../impl/#pipelines.extraction.pdf.impl.ImplPDFExtractionPipeline">ImplPDFExtractionPipeline</a></code></p>
<p>PDF root with the LLM splitter swapped into the txn-blocks stage.</p>
<p><span class="doc-section-title">Attributes:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMPdfExtractionPipeline.txn_blocks">txn_blocks</span></code></td>
<td>
<code><a class="autorefs autorefs-internal" title="pipelines.extraction.pdf.llm.LLMTxnBlocksPort" href="#pipelines.extraction.pdf.llm.LLMTxnBlocksPort">LLMTxnBlocksPort</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Txn-blocks stage with LLM splitter.</p>
</div>
</td>
</tr>
</tbody>
</table>
<div class="doc doc-children">
<h5 id="pipelines.extraction.pdf.llm.LLMPdfExtractionPipeline-functions">Functions</h5>
<div class="doc doc-object doc-function">
<h6 id="pipelines.extraction.pdf.llm.LLMPdfExtractionPipeline.run" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">run</span>
</h6>
<div class="language-python doc-signature highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a><span class="nf">run</span><span class="p">(</span><span class="n">source</span><span class="p">)</span>
</span></code></pre></div></td></tr></table></div>
<div class="doc doc-contents ">
<p>Run the pdf extraction chain end-to-end.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code>source</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>Raw extraction source.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
</td>
<td>
<div class="doc-md-description">
<p>List of raw expense records.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
<div class="doc doc-object doc-class">
<h4 id="pipelines.extraction.pdf.llm.LLMSplitterPort" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-class"></code> <span class="doc doc-object-name doc-class-name">LLMSplitterPort</span>
</h4>
<div class="language-python doc-signature highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a><span class="nf">LLMSplitterPort</span><span class="p">(</span><span class="n">pool</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
</span></code></pre></div></td></tr></table></div>
<div class="doc doc-contents ">
<p class="doc doc-class-bases">
Bases: <code><a class="autorefs autorefs-internal" title="pipelines.extraction.pdf.abc.SplitterPort" href="../abc/#pipelines.extraction.pdf.abc.SplitterPort">SplitterPort</a></code></p>
<p>LLM-backed splitter that groups lines into transactions via prompts.</p>
<p><span class="doc-section-title">Attributes:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMSplitterPort.DATE_RE">DATE_RE</span></code></td>
<td>
<code><span title="re.Pattern">Pattern</span>[str]</code>
</td>
<td>
<div class="doc-md-description">
<p>Compiled regex matching leading <code>DD-MM-YYYY</code> dates.</p>
</div>
</td>
</tr>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMSplitterPort.number">number</span></code></td>
<td>
<code><a class="autorefs autorefs-internal" title="pipelines.extraction.pdf.impl.ImplNumberPort" href="../impl/#pipelines.extraction.pdf.impl.ImplNumberPort">ImplNumberPort</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Number extraction leaf.</p>
</div>
</td>
</tr>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMSplitterPort.date">date</span></code></td>
<td>
<code><a class="autorefs autorefs-internal" title="pipelines.extraction.pdf.impl.ImplDatePort" href="../impl/#pipelines.extraction.pdf.impl.ImplDatePort">ImplDatePort</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Date parsing leaf.</p>
</div>
</td>
</tr>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMSplitterPort.GROUP_PROMPT">GROUP_PROMPT</span></code></td>
<td>
<code>str</code>
</td>
<td>
<div class="doc-md-description">
<p>Prompt grouping indices into transactions.</p>
</div>
</td>
</tr>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMSplitterPort.RESOLVE_PROMPT">RESOLVE_PROMPT</span></code></td>
<td>
<code>str</code>
</td>
<td>
<div class="doc-md-description">
<p>Prompt resolving cross-batch conflicts.</p>
</div>
</td>
</tr>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMSplitterPort.MAX_CONFLICT_LOOPS">MAX_CONFLICT_LOOPS</span></code></td>
<td>
<code>int</code>
</td>
<td>
<div class="doc-md-description">
<p>Max conflict resolution loops.</p>
</div>
</td>
</tr>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMSplitterPort.BATCH_MERGE">BATCH_MERGE</span></code></td>
<td>
<code>int</code>
</td>
<td>
<div class="doc-md-description">
<p>Date lines per batch.</p>
</div>
</td>
</tr>
</tbody>
</table>
<p>Initialize the splitter with an LLM pool.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code>pool</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>LLM pool; defaults to a new <code>SyncOpenRouterPool</code>.</p>
</div>
</td>
<td>
<code>None</code>
</td>
</tr>
<tr class="doc-section-item">
<td><code>**kwargs</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>Passed through to the base class.</p>
</div>
</td>
<td>
<code>{}</code>
</td>
</tr>
</tbody>
</table>
<div class="doc doc-children">
<h5 id="pipelines.extraction.pdf.llm.LLMSplitterPort-functions">Functions</h5>
<div class="doc doc-object doc-function">
<h6 id="pipelines.extraction.pdf.llm.LLMSplitterPort.clean_raw_lines" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">clean_raw_lines</span>
<span class="doc doc-labels">
<small class="doc doc-label doc-label-staticmethod"><code>staticmethod</code></small>
</span>
</h6>
<div class="language-python doc-signature highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a><span class="nf">clean_raw_lines</span><span class="p">(</span><span class="n">raw_lines</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>
</span></code></pre></div></td></tr></table></div>
<div class="doc doc-contents ">
<p>Clean raw lines: strip trailing noise and drop <code>Page</code> lines.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code>raw_lines</code></td>
<td>
<code><span title="typing.List">List</span>[str]</code>
</td>
<td>
<div class="doc-md-description">
<p>Raw OCR lines.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code><span title="typing.List">List</span>[str]</code>
</td>
<td>
<div class="doc-md-description">
<p>List[str]: Cleaned lines.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="doc doc-object doc-function">
<h6 id="pipelines.extraction.pdf.llm.LLMSplitterPort.split_blocks" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">split_blocks</span>
</h6>
<div class="language-python doc-signature highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span>
<span class="normal"><a href="#__codelineno-0-2">2</a></span>
<span class="normal"><a href="#__codelineno-0-3">3</a></span>
<span class="normal"><a href="#__codelineno-0-4">4</a></span>
<span class="normal"><a href="#__codelineno-0-5">5</a></span>
<span class="normal"><a href="#__codelineno-0-6">6</a></span>
<span class="normal"><a href="#__codelineno-0-7">7</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a><span class="nf">split_blocks</span><span class="p">(</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2"></a> <span class="n">lines</span><span class="p">,</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3"></a> <span class="o">*</span><span class="p">,</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4"></a> <span class="n">has_header</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5"></a> <span class="n">min_numbers</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6"></a> <span class="n">detect_date_ranges</span><span class="o">=</span><span class="kc">False</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7"></a><span class="p">)</span>
</span></code></pre></div></td></tr></table></div>
<div class="doc doc-contents ">
<p>Group lines into transaction blocks via the LLM.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code>lines</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>Raw OCR lines.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td><code>has_header</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>Whether a header precedes the rows.</p>
</div>
</td>
<td>
<code>False</code>
</td>
</tr>
<tr class="doc-section-item">
<td><code>min_numbers</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>Minimum numbers for a block.</p>
</div>
</td>
<td>
<code>3</code>
</td>
</tr>
<tr class="doc-section-item">
<td><code>detect_date_ranges</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>Detect date-range lines.</p>
</div>
</td>
<td>
<code>False</code>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
</td>
<td>
<div class="doc-md-description">
<p>List of transaction block texts.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="doc doc-object doc-function">
<h6 id="pipelines.extraction.pdf.llm.LLMSplitterPort.strip_headers" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">strip_headers</span>
<span class="doc doc-labels">
<small class="doc doc-label doc-label-staticmethod"><code>staticmethod</code></small>
</span>
</h6>
<div class="language-python doc-signature highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a><span class="nf">strip_headers</span><span class="p">(</span><span class="n">raw_lines</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>
</span></code></pre></div></td></tr></table></div>
<div class="doc doc-contents ">
<p>Drop header lines preceding the first date line.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code>raw_lines</code></td>
<td>
<code><span title="typing.List">List</span>[str]</code>
</td>
<td>
<div class="doc-md-description">
<p>Raw OCR lines.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code><span title="typing.List">List</span>[str]</code>
</td>
<td>
<div class="doc-md-description">
<p>List[str]: Lines with headers removed.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
<div class="doc doc-object doc-class">
<h4 id="pipelines.extraction.pdf.llm.LLMTxnBlocksPort" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-class"></code> <span class="doc doc-object-name doc-class-name">LLMTxnBlocksPort</span>
</h4>
<div class="doc doc-contents ">
<p class="doc doc-class-bases">
Bases: <code><a class="autorefs autorefs-internal" title="pipelines.extraction.pdf.impl.ImplTxnBlocksPort" href="../impl/#pipelines.extraction.pdf.impl.ImplTxnBlocksPort">ImplTxnBlocksPort</a></code></p>
<p>Txn-blocks stage re-pinning the splitter to the LLM variant.</p>
<p><span class="doc-section-title">Attributes:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code><span title="pipelines.extraction.pdf.llm.LLMTxnBlocksPort.splitter">splitter</span></code></td>
<td>
<code><a class="autorefs autorefs-internal" title="pipelines.extraction.pdf.llm.LLMSplitterPort" href="#pipelines.extraction.pdf.llm.LLMSplitterPort">LLMSplitterPort</a></code>
</td>
<td>
<div class="doc-md-description">
<p>LLM-backed splitter.</p>
</div>
</td>
</tr>
</tbody>
</table>
<div class="doc doc-children">
<h5 id="pipelines.extraction.pdf.llm.LLMTxnBlocksPort-functions">Functions</h5>
<div class="doc doc-object doc-function">
<h6 id="pipelines.extraction.pdf.llm.LLMTxnBlocksPort.extract" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-method"></code> <span class="doc doc-object-name doc-function-name">extract</span>
</h6>
<div class="language-python doc-signature highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a><span class="nf">extract</span><span class="p">(</span><span class="n">raw_lines</span><span class="p">)</span>
</span></code></pre></div></td></tr></table></div>
<div class="doc doc-contents ">
<p>Extract txn blocks keyed by opening balance.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code>raw_lines</code></td>
<td>
</td>
<td>
<div class="doc-md-description">
<p>Raw OCR text lines.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
</td>
<td>
<div class="doc-md-description">
<p>Dict[float, List[str]]: Opening balance → block texts.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</article>
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