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<li class="toctree-l2 current"><a class="current reference internal" href="#">datalite package</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#datalite-module">datalite Module</a></li>
<li class="toctree-l3"><a class="reference internal" href="#module-datalite.fetch">datalite.fetch module</a></li>
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<div class="section" id="datalite-package">
<h1>datalite package<a class="headerlink" href="#datalite-package" title="Permalink to this headline"></a></h1>
<div class="section" id="datalite-module">
<h2>datalite Module<a class="headerlink" href="#datalite-module" title="Permalink to this headline"></a></h2>
<dl class="py function">
<dt id="datalite.datalite">
<code class="sig-prename descclassname">&#64;</code><code class="sig-prename descclassname">datalite.</code><code class="sig-name descname">datalite</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">db_path</span><span class="p">:</span> <span class="n">str</span></em>, <em class="sig-param"><span class="n">type_overload</span><span class="p">:</span> <span class="n">Optional<span class="p">[</span>Dict<span class="p">[</span>Optional<span class="p">[</span>type<span class="p">]</span><span class="p">, </span>str<span class="p">]</span><span class="p">]</span></span> <span class="o">=</span> <span class="default_value">None</span></em><span class="sig-paren">)</span> &#x2192; Callable<a class="headerlink" href="#datalite.datalite" title="Permalink to this definition"></a></dt>
<dd><p>Bind a dataclass to a sqlite3 database. This adds new methods to the class, such as
<cite>create_entry()</cite>, <cite>remove_entry()</cite> and <cite>update_entry()</cite>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>db_path</strong> Path of the database to be binded.</p></li>
<li><p><strong>type_overload</strong> Type overload dictionary.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The new dataclass.</p>
</dd>
</dl>
</dd></dl>
</div>
<div class="section" id="module-datalite.fetch">
<span id="datalite-fetch-module"></span><h2>datalite.fetch module<a class="headerlink" href="#module-datalite.fetch" title="Permalink to this headline"></a></h2>
<dl class="py function">
<dt id="datalite.fetch.fetch_all">
<code class="sig-prename descclassname">datalite.fetch.</code><code class="sig-name descname">fetch_all</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">class_</span><span class="p">:</span> <span class="n">type</span></em>, <em class="sig-param"><span class="n">page</span><span class="p">:</span> <span class="n">int</span> <span class="o">=</span> <span class="default_value">0</span></em>, <em class="sig-param"><span class="n">element_count</span><span class="p">:</span> <span class="n">int</span> <span class="o">=</span> <span class="default_value">10</span></em><span class="sig-paren">)</span> &#x2192; tuple<a class="headerlink" href="#datalite.fetch.fetch_all" title="Permalink to this definition"></a></dt>
<dd><p>Fetchall the records in the bound database.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>class</strong> Class of the records.</p></li>
<li><p><strong>page</strong> Which page to retrieve, default all. (0 means closed).</p></li>
<li><p><strong>element_count</strong> Element count in each page.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>All the records of type <a href="#id1"><span class="problematic" id="id2">class_</span></a> in</p>
</dd>
</dl>
<p>the bound database as a tuple.</p>
</dd></dl>
<dl class="py function">
<dt id="datalite.fetch.fetch_equals">
<code class="sig-prename descclassname">datalite.fetch.</code><code class="sig-name descname">fetch_equals</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">class_</span><span class="p">:</span> <span class="n">type</span></em>, <em class="sig-param"><span class="n">field</span><span class="p">:</span> <span class="n">str</span></em>, <em class="sig-param"><span class="n">value</span><span class="p">:</span> <span class="n">Any</span></em><span class="sig-paren">)</span> &#x2192; Any<a class="headerlink" href="#datalite.fetch.fetch_equals" title="Permalink to this definition"></a></dt>
<dd><p>Fetch a <a href="#id3"><span class="problematic" id="id4">class_</span></a> type variable from its bound db.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>class</strong> Class to fetch.</p></li>
<li><p><strong>field</strong> Field to check for, by default, object id.</p></li>
<li><p><strong>value</strong> Value of the field to check for.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The object whose data is taken from the database.</p>
</dd>
</dl>
</dd></dl>
<dl class="py function">
<dt id="datalite.fetch.fetch_from">
<code class="sig-prename descclassname">datalite.fetch.</code><code class="sig-name descname">fetch_from</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">class_</span><span class="p">:</span> <span class="n">type</span></em>, <em class="sig-param"><span class="n">obj_id</span><span class="p">:</span> <span class="n">int</span></em><span class="sig-paren">)</span> &#x2192; Any<a class="headerlink" href="#datalite.fetch.fetch_from" title="Permalink to this definition"></a></dt>
<dd><p>Fetch a <a href="#id5"><span class="problematic" id="id6">class_</span></a> type variable from its bound dv.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>class</strong> Class to fetch from.</p></li>
<li><p><strong>obj_id</strong> Unique object id of the object.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The fetched object.</p>
</dd>
</dl>
</dd></dl>
<dl class="py function">
<dt id="datalite.fetch.fetch_if">
<code class="sig-prename descclassname">datalite.fetch.</code><code class="sig-name descname">fetch_if</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">class_</span><span class="p">:</span> <span class="n">type</span></em>, <em class="sig-param"><span class="n">condition</span><span class="p">:</span> <span class="n">str</span></em>, <em class="sig-param"><span class="n">page</span><span class="p">:</span> <span class="n">int</span> <span class="o">=</span> <span class="default_value">0</span></em>, <em class="sig-param"><span class="n">element_count</span><span class="p">:</span> <span class="n">int</span> <span class="o">=</span> <span class="default_value">10</span></em><span class="sig-paren">)</span> &#x2192; tuple<a class="headerlink" href="#datalite.fetch.fetch_if" title="Permalink to this definition"></a></dt>
<dd><p>Fetch all <a href="#id7"><span class="problematic" id="id8">class_</span></a> type variables from the bound db,
provided they fit the given condition</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>class</strong> Class type to fetch.</p></li>
<li><p><strong>condition</strong> Condition to check for.</p></li>
<li><p><strong>page</strong> Which page to retrieve, default all. (0 means closed).</p></li>
<li><p><strong>element_count</strong> Element count in each page.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>A tuple of records that fit the given condition</p>
</dd>
</dl>
<p>of given type <a href="#id9"><span class="problematic" id="id10">class_</span></a>.</p>
</dd></dl>
<dl class="py function">
<dt id="datalite.fetch.fetch_range">
<code class="sig-prename descclassname">datalite.fetch.</code><code class="sig-name descname">fetch_range</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">class_</span><span class="p">:</span> <span class="n">type</span></em>, <em class="sig-param"><span class="n">range_</span><span class="p">:</span> <span class="n">range</span></em><span class="sig-paren">)</span> &#x2192; tuple<a class="headerlink" href="#datalite.fetch.fetch_range" title="Permalink to this definition"></a></dt>
<dd><p>Fetch the records in a given range of object ids.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>class</strong> Class of the records.</p></li>
<li><p><strong>range</strong> Range of the object ids.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>A tuple of <a href="#id11"><span class="problematic" id="id12">class_</span></a> type objects whose values</p>
</dd>
</dl>
<p>come from the <a href="#id13"><span class="problematic" id="id14">class_</span></a> bound database.</p>
</dd></dl>
<dl class="py function">
<dt id="datalite.fetch.fetch_where">
<code class="sig-prename descclassname">datalite.fetch.</code><code class="sig-name descname">fetch_where</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">class_</span><span class="p">:</span> <span class="n">type</span></em>, <em class="sig-param"><span class="n">field</span><span class="p">:</span> <span class="n">str</span></em>, <em class="sig-param"><span class="n">value</span><span class="p">:</span> <span class="n">Any</span></em>, <em class="sig-param"><span class="n">page</span><span class="p">:</span> <span class="n">int</span> <span class="o">=</span> <span class="default_value">0</span></em>, <em class="sig-param"><span class="n">element_count</span><span class="p">:</span> <span class="n">int</span> <span class="o">=</span> <span class="default_value">10</span></em><span class="sig-paren">)</span> &#x2192; tuple<a class="headerlink" href="#datalite.fetch.fetch_where" title="Permalink to this definition"></a></dt>
<dd><p>Fetch all <a href="#id15"><span class="problematic" id="id16">class_</span></a> type variables from the bound db,
provided that the field of the records fit the
given value.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>class</strong> Class of the records.</p></li>
<li><p><strong>field</strong> Field to check.</p></li>
<li><p><strong>value</strong> Value to check for.</p></li>
<li><p><strong>page</strong> Which page to retrieve, default all. (0 means closed).</p></li>
<li><p><strong>element_count</strong> Element count in each page.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>A tuple of the records.</p>
</dd>
</dl>
</dd></dl>
<dl class="py function">
<dt id="datalite.fetch.is_fetchable">
<code class="sig-prename descclassname">datalite.fetch.</code><code class="sig-name descname">is_fetchable</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">class_</span><span class="p">:</span> <span class="n">type</span></em>, <em class="sig-param"><span class="n">obj_id</span><span class="p">:</span> <span class="n">int</span></em><span class="sig-paren">)</span> &#x2192; bool<a class="headerlink" href="#datalite.fetch.is_fetchable" title="Permalink to this definition"></a></dt>
<dd><p>Check if a record is fetchable given its obj_id and
<a href="#id17"><span class="problematic" id="id18">class_</span></a> type.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>class</strong> Class type of the object.</p></li>
<li><p><strong>obj_id</strong> Unique obj_id of the object.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>If the object is fetchable.</p>
</dd>
</dl>
</dd></dl>
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