Files
hansken-extraction-plugin-s…/0.9.16/dev/python/api/hansken_extraction_plugin.api.extraction_trace.html
Roel van Dijk 93b020aef4 Update documentation to 0.9.16 (#10)
Co-authored-by: Roel van Dijk <rdvdijk@users.noreply.github.com>
2026-03-06 09:59:38 +01:00

468 lines
56 KiB
HTML
Raw Permalink Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
<!DOCTYPE html>
<html class="writer-html5" lang="en" data-content_root="../../../">
<head>
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>hansken_extraction_plugin.api.extraction_trace &mdash; Hansken Extraction Plugins for plugin developers 0.9.16
documentation</title>
<link rel="stylesheet" type="text/css" href="../../../_static/pygments.css?v=d75fae25" />
<link rel="stylesheet" type="text/css" href="../../../_static/css/theme.css?v=e59714d7" />
<link rel="stylesheet" type="text/css" href="../../../_static/wider_pages.css?v=32ad70ab" />
<script src="../../../_static/jquery.js?v=5d32c60e"></script>
<script src="../../../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
<script src="../../../_static/documentation_options.js?v=433a2a34"></script>
<script src="../../../_static/doctools.js?v=9a2dae69"></script>
<script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script>
<script src="../../../_static/js/theme.js"></script>
<link rel="index" title="Index" href="../../../genindex.html" />
<link rel="search" title="Search" href="../../../search.html" />
<link rel="next" title="hansken_extraction_plugin.api.plugin_info" href="hansken_extraction_plugin.api.plugin_info.html" />
<link rel="prev" title="hansken_extraction_plugin.api.extraction_plugin" href="hansken_extraction_plugin.api.extraction_plugin.html" />
</head>
<body class="wy-body-for-nav">
<div class="wy-grid-for-nav">
<nav data-toggle="wy-nav-shift" class="wy-nav-side">
<div class="wy-side-scroll">
<div class="wy-side-nav-search" >
<a href="../../../index.html" class="icon icon-home">
Hansken Extraction Plugins for plugin developers
</a>
<div role="search">
<form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
<input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</div>
</div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
<p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul class="current">
<li class="toctree-l1"><a class="reference internal" href="../../introduction.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../concepts.html">General concepts</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../spec.html">Extraction Plugin specifications</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../java.html">Java</a></li>
<li class="toctree-l1 current"><a class="reference internal" href="../../python.html">Python</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="../api_changelog.html">Python API Changelog</a></li>
<li class="toctree-l2"><a class="reference internal" href="../prerequisites.html">Prerequisites</a></li>
<li class="toctree-l2"><a class="reference internal" href="../getting_started.html">Getting started</a></li>
<li class="toctree-l2"><a class="reference internal" href="../packaging.html">Packaging</a></li>
<li class="toctree-l2"><a class="reference internal" href="../snippets.html">Python code snippets</a></li>
<li class="toctree-l2"><a class="reference internal" href="../transformers.html">Using Transformers for on-demand execution</a></li>
<li class="toctree-l2"><a class="reference internal" href="../testing.html">Advanced use of the Test Framework in Python</a></li>
<li class="toctree-l2"><a class="reference internal" href="../hanskenpy.html">Run plugins with Hansken.py</a></li>
<li class="toctree-l2"><a class="reference internal" href="../debugging.html">How to debug an Extraction Plugin</a></li>
<li class="toctree-l2 current"><a class="reference internal" href="../../python.html#api-documentation">API Documentation</a><ul class="current">
<li class="toctree-l3 current"><a class="reference internal" href="hansken_extraction_plugin.api.html">hansken_extraction_plugin.api</a><ul class="current">
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.data_context.html">hansken_extraction_plugin.api.data_context</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.extraction_plugin.html">hansken_extraction_plugin.api.extraction_plugin</a></li>
<li class="toctree-l4 current"><a class="current reference internal" href="#">hansken_extraction_plugin.api.extraction_trace</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.plugin_info.html">hansken_extraction_plugin.api.plugin_info</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.search_result.html">hansken_extraction_plugin.api.search_result</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.search_sort_option.html">hansken_extraction_plugin.api.search_sort_option</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.trace_searcher.html">hansken_extraction_plugin.api.trace_searcher</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.tracelet.html">hansken_extraction_plugin.api.tracelet</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.transformation.html">hansken_extraction_plugin.api.transformation</a></li>
<li class="toctree-l4"><a class="reference internal" href="hansken_extraction_plugin.api.transformer.html">hansken_extraction_plugin.api.transformer</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../examples.html">Examples</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../faq.html">Frequently Asked Questions</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../contact.html">Contact</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../changes.html">Changelog</a></li>
</ul>
</div>
</div>
</nav>
<section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
<i data-toggle="wy-nav-top" class="fa fa-bars"></i>
<a href="../../../index.html">Hansken Extraction Plugins for plugin developers</a>
</nav>
<div class="wy-nav-content">
<div class="rst-content">
<div role="navigation" aria-label="Page navigation">
<ul class="wy-breadcrumbs">
<li><a href="../../../index.html" class="icon icon-home" aria-label="Home"></a></li>
<li class="breadcrumb-item"><a href="../../python.html">Python</a></li>
<li class="breadcrumb-item"><a href="hansken_extraction_plugin.api.html">hansken_extraction_plugin.api</a></li>
<li class="breadcrumb-item active">hansken_extraction_plugin.api.extraction_trace</li>
<li class="wy-breadcrumbs-aside">
<a href="../../../_sources/dev/python/api/hansken_extraction_plugin.api.extraction_trace.rst.txt" rel="nofollow"> View page source</a>
</li>
</ul>
<hr/>
</div>
<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
<div itemprop="articleBody">
<section id="module-hansken_extraction_plugin.api.extraction_trace">
<span id="hansken-extraction-plugin-api-extraction-trace"></span><h1>hansken_extraction_plugin.api.extraction_trace<a class="headerlink" href="#module-hansken_extraction_plugin.api.extraction_trace" title="Link to this heading"></a></h1>
<p>This module contains the different Trace apis.</p>
<dl class="simple">
<dt>Note that there are a couple of different traces:</dt><dd><ul class="simple">
<li><p>The ExtractionTrace and MetaExtractionTrace, which are offered to the process function.</p></li>
<li><p>ExtractionTraceBuilder, which is a trace that can be built; it does not exist in hansken yet, but it is added after
building.</p></li>
<li><p>SearchTrace, which represents an immutable trace which is returned after searching for traces.</p></li>
</ul>
</dd>
</dl>
<p class="rubric">Classes</p>
<table class="autosummary longtable docutils align-default">
<tbody>
<tr class="row-odd"><td><p><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTrace" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTrace"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ExtractionTrace</span></code></a>()</p></td>
<td><p>Trace offered to be processed.</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ExtractionTraceBuilder</span></code></a>()</p></td>
<td><p>ExtractionTrace that can be build.</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace" title="hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace"><code class="xref py py-obj docutils literal notranslate"><span class="pre">MetaExtractionTrace</span></code></a>()</p></td>
<td><p>MetaExtractionTraces contain only metadata.</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.SearchTrace" title="hansken_extraction_plugin.api.extraction_trace.SearchTrace"><code class="xref py py-obj docutils literal notranslate"><span class="pre">SearchTrace</span></code></a>()</p></td>
<td><p>SearchTraces represent traces returned when searching for traces.</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.Trace" title="hansken_extraction_plugin.api.extraction_trace.Trace"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Trace</span></code></a>()</p></td>
<td><p>All trace classes should be able to return values.</p></td>
</tr>
</tbody>
</table>
<dl class="py class">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">ExtractionTraceBuilder</span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="Link to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">ABC</span></code></p>
<p>ExtractionTrace that can be build.</p>
<p>Represents child traces.</p>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.update">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">update</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key_or_updates</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Mapping</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Any</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Mapping</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">bytes</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder"><span class="pre">ExtractionTraceBuilder</span></a></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder.update"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.update" title="Link to this definition"></a></dt>
<dd><p>Update or add metadata properties for this <cite>.ExtractionTraceBuilder</cite>.</p>
<p>Can be used to update the name of the Trace represented by this builder,
if not already set.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>key_or_updates</strong> either a <cite>str</cite> (the metadata property to be
updated) or a mapping supplying both keys and values to be updated</p></li>
<li><p><strong>value</strong> the value to update metadata property <em>key</em> to (used
only when <em>key_or_updates</em> is a <cite>str</cite>, an exception will be thrown
if <em>key_or_updates</em> is a mapping)</p></li>
<li><p><strong>data</strong> a <cite>dict</cite> mapping data type / stream name to bytes to be
added to the trace</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>this <cite>.ExtractionTraceBuilder</cite></p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.add_tracelet">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">add_tracelet</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tracelet</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="hansken_extraction_plugin.api.tracelet.html#hansken_extraction_plugin.api.tracelet.Tracelet" title="hansken_extraction_plugin.api.tracelet.Tracelet"><span class="pre">Tracelet</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Mapping</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder"><span class="pre">ExtractionTraceBuilder</span></a></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder.add_tracelet"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.add_tracelet" title="Link to this definition"></a></dt>
<dd><p>Add a <cite>.Tracelet</cite> to this <cite>.ExtractionTraceBuilder</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>tracelet</strong> the Tracelet or tracelet type (supplied as a <cite>str</cite>) to add</p></li>
<li><p><strong>value</strong> the tracelet properties to add (only applicable when <em>tracelet</em> is a <cite>str</cite>)</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>this <cite>.ExtractionTraceBuilder</cite></p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.add_transformation">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">add_transformation</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data_type</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">transformation</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="hansken_extraction_plugin.api.transformation.html#hansken_extraction_plugin.api.transformation.Transformation" title="hansken_extraction_plugin.api.transformation.Transformation"><span class="pre">Transformation</span></a></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder"><span class="pre">ExtractionTraceBuilder</span></a></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder.add_transformation"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.add_transformation" title="Link to this definition"></a></dt>
<dd><p>Update or add transformations for this <cite>.ExtractionTraceBuilder</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>data_type</strong> data type of the Transformation</p></li>
<li><p><strong>transformation</strong> the Transformation to add</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>this <cite>.ExtractionTraceBuilder</cite></p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.child_builder">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">child_builder</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder"><span class="pre">ExtractionTraceBuilder</span></a></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder.child_builder"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.child_builder" title="Link to this definition"></a></dt>
<dd><p>Create a new <cite>.TraceBuilder</cite> to build a child trace to the trace to be represented by this builder.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Traces should be created and built in depth first order,
parent before child (pre-order).</p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns<span class="colon">:</span></dt>
<dd class="field-odd"><p>a <cite>.TraceBuilder</cite> set up to save a new trace as the child
trace of this builder</p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.add_data">
<span class="sig-name descname"><span class="pre">add_data</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">stream</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bytes</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder"><span class="pre">ExtractionTraceBuilder</span></a></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder.add_data"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.add_data" title="Link to this definition"></a></dt>
<dd><p>Add data to this trace as a named stream.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>stream</strong> name of the data stream to be added</p></li>
<li><p><strong>data</strong> data to be attached</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>this <cite>.ExtractionTraceBuilder</cite></p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.open">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">open</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data_type</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">offset</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">size</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Literal</span><span class="p"><span class="pre">[</span></span><span class="s"><span class="pre">'rb'</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="s"><span class="pre">'wb'</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="s"><span class="pre">'w'</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="s"><span class="pre">'wt'</span></span><span class="p"><span class="pre">]</span></span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">'rb'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">encoding</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'utf-8'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">buffer_size</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">BufferedReader</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">BufferedWriter</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">TextIOBase</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder.open"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.open" title="Link to this definition"></a></dt>
<dd><p>Open a data stream to read or write data from or to the <cite>.ExtractionTrace</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>data_type</strong> the data type of the datastream, raw by default</p></li>
<li><p><strong>offset</strong> byte offset to start the stream on when reading</p></li>
<li><p><strong>size</strong> the number of bytes to make available when reading</p></li>
<li><p><strong>mode</strong> rb for reading, wb for writing</p></li>
<li><p><strong>encoding</strong> encoding for writing text, used to convert <cite>str</cite> values to bytes, only valid for modes w and wt</p></li>
<li><p><strong>buffer_size</strong> buffer size for reading (cache read back/ahead) or writing (cache for flush) data</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>a file-like object to read or write bytes from the named stream</p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.build">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">build</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTraceBuilder.build"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder.build" title="Link to this definition"></a></dt>
<dd><p>Save the trace being built by this builder to remote.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Building more than once will result in an error being raised.</p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns<span class="colon">:</span></dt>
<dd class="field-odd"><p>the new trace id</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.Trace">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">Trace</span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#Trace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.Trace" title="Link to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">ABC</span></code></p>
<p>All trace classes should be able to return values.</p>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.Trace.get">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">get</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">default</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Any</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">Any</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#Trace.get"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.Trace.get" title="Link to this definition"></a></dt>
<dd><p>Return metadata properties for this <cite>.ExtractionTrace</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>key</strong> the metadata property to be retrieved</p></li>
<li><p><strong>default</strong> value returned if property is not set</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>the value of the requested metadata property</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.SearchTrace">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">SearchTrace</span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#SearchTrace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.SearchTrace" title="Link to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.Trace" title="hansken_extraction_plugin.api.extraction_trace.Trace"><code class="xref py py-class docutils literal notranslate"><span class="pre">Trace</span></code></a></p>
<p>SearchTraces represent traces returned when searching for traces.</p>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.SearchTrace.open">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">open</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">stream</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">'raw'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">offset</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">size</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">buffer_size</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">BufferedReader</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#SearchTrace.open"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.SearchTrace.open" title="Link to this definition"></a></dt>
<dd><p>Open a data stream of the data that is being processed.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>stream</strong> data stream of trace to open. defaults to raw. other examples are html, text, etc.</p></li>
<li><p><strong>offset</strong> byte offset to start the stream on</p></li>
<li><p><strong>size</strong> the number of bytes to make available</p></li>
<li><p><strong>buffer_size</strong> buffer size for reading data</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>a file-like object to read bytes from the named stream</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">MetaExtractionTrace</span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#MetaExtractionTrace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace" title="Link to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.Trace" title="hansken_extraction_plugin.api.extraction_trace.Trace"><code class="xref py py-class docutils literal notranslate"><span class="pre">Trace</span></code></a></p>
<p>MetaExtractionTraces contain only metadata.</p>
<p>This class represents traces during the extraction of an extraction plugin without a data stream.</p>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.update">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">update</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key_or_updates</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Mapping</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Any</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Mapping</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">bytes</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">None</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#MetaExtractionTrace.update"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.update" title="Link to this definition"></a></dt>
<dd><p>Update or add metadata properties for this <cite>.ExtractionTrace</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>key_or_updates</strong> either a <cite>str</cite> (the metadata property to be
updated) or a mapping supplying both keys and values to be updated</p></li>
<li><p><strong>value</strong> the value to update metadata property <em>key</em> to (used
only when <em>key_or_updates</em> is a <cite>str</cite>, an exception will be thrown
if <em>key_or_updates</em> is a mapping)</p></li>
<li><p><strong>data</strong> a <cite>dict</cite> mapping data type / stream name to bytes to be
added to the trace</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.add_tracelet">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">add_tracelet</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">tracelet</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="hansken_extraction_plugin.api.tracelet.html#hansken_extraction_plugin.api.tracelet.Tracelet" title="hansken_extraction_plugin.api.tracelet.Tracelet"><span class="pre">Tracelet</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Mapping</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">None</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#MetaExtractionTrace.add_tracelet"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.add_tracelet" title="Link to this definition"></a></dt>
<dd><p>Add a <cite>.Tracelet</cite> to this <cite>.MetaExtractionTrace</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>tracelet</strong> the Tracelet or tracelet type to add</p></li>
<li><p><strong>value</strong> the tracelet properties to add (only applicable when <em>tracelet</em> is a tracelet type)</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.add_transformation">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">add_transformation</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data_type</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">transformation</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="hansken_extraction_plugin.api.transformation.html#hansken_extraction_plugin.api.transformation.Transformation" title="hansken_extraction_plugin.api.transformation.Transformation"><span class="pre">Transformation</span></a></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">None</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#MetaExtractionTrace.add_transformation"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.add_transformation" title="Link to this definition"></a></dt>
<dd><p>Update or add transformations for this <cite>.ExtractionTraceBuilder</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>data_type</strong> data type of the Transformation</p></li>
<li><p><strong>transformation</strong> the Transformation to add</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.child_builder">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">child_builder</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder" title="hansken_extraction_plugin.api.extraction_trace.ExtractionTraceBuilder"><span class="pre">ExtractionTraceBuilder</span></a></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#MetaExtractionTrace.child_builder"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace.child_builder" title="Link to this definition"></a></dt>
<dd><p>Create a <cite>.TraceBuilder</cite> to build a trace to be saved as a child of this <cite>.Trace</cite>.</p>
<p>A new trace will only be added to the index once explicitly saved (e.g.
through <cite>.TraceBuilder.build</cite>).</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Traces should be created and built in depth first order,
parent before child (pre-order).</p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><p><strong>name</strong> the name for the trace being built</p>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>a <cite>.TraceBuilder</cite> set up to create a child trace of this <cite>.MetaExtractionTrace</cite></p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTrace">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">ExtractionTrace</span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTrace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTrace" title="Link to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace" title="hansken_extraction_plugin.api.extraction_trace.MetaExtractionTrace"><code class="xref py py-class docutils literal notranslate"><span class="pre">MetaExtractionTrace</span></code></a></p>
<p>Trace offered to be processed.</p>
<dl class="py method">
<dt class="sig sig-object py" id="hansken_extraction_plugin.api.extraction_trace.ExtractionTrace.open">
<em class="property"><span class="pre">abstract</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">open</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data_type</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">offset</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">size</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Literal</span><span class="p"><span class="pre">[</span></span><span class="s"><span class="pre">'rb'</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="s"><span class="pre">'wb'</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="s"><span class="pre">'w'</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="s"><span class="pre">'wt'</span></span><span class="p"><span class="pre">]</span></span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">'rb'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">encoding</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'utf-8'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">buffer_size</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">BufferedReader</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">BufferedWriter</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">TextIOBase</span></span></span><a class="reference internal" href="../../../_modules/hansken_extraction_plugin/api/extraction_trace.html#ExtractionTrace.open"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#hansken_extraction_plugin.api.extraction_trace.ExtractionTrace.open" title="Link to this definition"></a></dt>
<dd><p>Open a data stream to read or write data from or to the <cite>.ExtractionTrace</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>data_type</strong> the data type of the datastream, raw by default</p></li>
<li><p><strong>offset</strong> byte offset to start the stream on when reading</p></li>
<li><p><strong>size</strong> the number of bytes to make available when reading</p></li>
<li><p><strong>mode</strong> rb for reading, wb for writing</p></li>
<li><p><strong>encoding</strong> encoding for writing text, used to convert <cite>str</cite> values to bytes, only valid for modes w and wt</p></li>
<li><p><strong>buffer_size</strong> buffer size for reading (cache read back/ahead) or writing (cache for flush) data</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>a file-like object to read or write bytes from the named stream</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
</section>
</div>
</div>
<footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
<a href="hansken_extraction_plugin.api.extraction_plugin.html" class="btn btn-neutral float-left" title="hansken_extraction_plugin.api.extraction_plugin" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
<a href="hansken_extraction_plugin.api.plugin_info.html" class="btn btn-neutral float-right" title="hansken_extraction_plugin.api.plugin_info" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
</div>
<hr/>
<div role="contentinfo">
<p>&#169; Copyright 2020-2026 Netherlands Forensic Institute.</p>
</div>
Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
<a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
provided by <a href="https://readthedocs.org">Read the Docs</a>.
</footer>
</div>
</div>
</section>
</div>
<script>
jQuery(function () {
SphinxRtdTheme.Navigation.enable(true);
});
</script>
</body>
</html>