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<li class="toctree-l4"><a class="reference internal" href="#apache_beam.io.requestresponse.RequestResponseIO"><code class="docutils literal notranslate"><span class="pre">RequestResponseIO</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="#apache_beam.io.requestresponse.ExponentialBackOffRepeater"><code class="docutils literal notranslate"><span class="pre">ExponentialBackOffRepeater</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="#apache_beam.io.requestresponse.DefaultThrottler"><code class="docutils literal notranslate"><span class="pre">DefaultThrottler</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="#apache_beam.io.requestresponse.NoOpsRepeater"><code class="docutils literal notranslate"><span class="pre">NoOpsRepeater</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="#apache_beam.io.requestresponse.RedisCache"><code class="docutils literal notranslate"><span class="pre">RedisCache</span></code></a></li>
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<section id="module-apache_beam.io.requestresponse">
<span id="apache-beam-io-requestresponse-module"></span><h1>apache_beam.io.requestresponse module<a class="headerlink" href="#module-apache_beam.io.requestresponse" title="Link to this heading"></a></h1>
<p><code class="docutils literal notranslate"><span class="pre">PTransform</span></code> for reading from and writing to Web APIs.</p>
<dl class="py class">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.RequestResponseIO">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.io.requestresponse.</span></span><span class="sig-name descname"><span class="pre">RequestResponseIO</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="pre">caller:</span> <span class="pre">~apache_beam.io.requestresponse.Caller[~apache_beam.io.requestresponse.RequestT,</span> <span class="pre">~apache_beam.io.requestresponse.ResponseT],</span> <span class="pre">timeout:</span> <span class="pre">float</span> <span class="pre">|</span> <span class="pre">None</span> <span class="pre">=</span> <span class="pre">30,</span> <span class="pre">should_backoff:</span> <span class="pre">~apache_beam.io.requestresponse.ShouldBackOff</span> <span class="pre">|</span> <span class="pre">None</span> <span class="pre">=</span> <span class="pre">None,</span> <span class="pre">repeater:</span> <span class="pre">~apache_beam.io.requestresponse.Repeater</span> <span class="pre">=</span> <span class="pre">&lt;apache_beam.io.requestresponse.ExponentialBackOffRepeater</span> <span class="pre">object&gt;,</span> <span class="pre">cache:</span> <span class="pre">~apache_beam.io.requestresponse.Cache</span> <span class="pre">|</span> <span class="pre">None</span> <span class="pre">=</span> <span class="pre">None,</span> <span class="pre">throttler:</span> <span class="pre">~apache_beam.io.requestresponse.PreCallThrottler</span> <span class="pre">=</span> <span class="pre">&lt;apache_beam.io.requestresponse.DefaultThrottler</span> <span class="pre">object&gt;</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#RequestResponseIO"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.RequestResponseIO" title="Link to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.ptransform.html#apache_beam.transforms.ptransform.PTransform" title="apache_beam.transforms.ptransform.PTransform"><code class="xref py py-class docutils literal notranslate"><span class="pre">PTransform</span></code></a>[<a class="reference internal" href="apache_beam.pvalue.html#apache_beam.pvalue.PCollection" title="apache_beam.pvalue.PCollection"><code class="xref py py-class docutils literal notranslate"><span class="pre">PCollection</span></code></a>[<code class="xref py py-obj docutils literal notranslate"><span class="pre">RequestT</span></code>], <a class="reference internal" href="apache_beam.pvalue.html#apache_beam.pvalue.PCollection" title="apache_beam.pvalue.PCollection"><code class="xref py py-class docutils literal notranslate"><span class="pre">PCollection</span></code></a>[<code class="xref py py-obj docutils literal notranslate"><span class="pre">ResponseT</span></code>]]</p>
<p>A <a class="reference internal" href="#apache_beam.io.requestresponse.RequestResponseIO" title="apache_beam.io.requestresponse.RequestResponseIO"><code class="xref py py-class docutils literal notranslate"><span class="pre">RequestResponseIO</span></code></a> transform to read and write to APIs.</p>
<p>Processes an input <a class="reference internal" href="apache_beam.pvalue.html#apache_beam.pvalue.PCollection" title="apache_beam.pvalue.PCollection"><code class="xref py py-class docutils literal notranslate"><span class="pre">PCollection</span></code></a> of requests
by making a call to the API as defined in <cite>Caller</cite>’s <cite>__call__</cite> method
and returns a <a class="reference internal" href="apache_beam.pvalue.html#apache_beam.pvalue.PCollection" title="apache_beam.pvalue.PCollection"><code class="xref py py-class docutils literal notranslate"><span class="pre">PCollection</span></code></a> of responses.</p>
<p>Instantiates a RequestResponseIO transform.</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>caller</strong> – an implementation of
<cite>Caller</cite> object that makes call to the API.</p></li>
<li><p><strong>timeout</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.13)"><em>float</em></a>) – timeout value in seconds to wait for response from API.</p></li>
<li><p><strong>should_backoff</strong> – (Optional) provides methods for backoff.</p></li>
<li><p><strong>repeater</strong> – provides method to repeat failed requests to API due to service
errors. Defaults to
<a class="reference internal" href="#apache_beam.io.requestresponse.ExponentialBackOffRepeater" title="apache_beam.io.requestresponse.ExponentialBackOffRepeater"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.io.requestresponse.ExponentialBackOffRepeater</span></code></a> to
repeat requests with exponential backoff.</p></li>
<li><p><strong>cache</strong> – (Optional) a <cite>~apache_beam.io.requestresponse.Cache</cite> object
to use the appropriate cache.</p></li>
<li><p><strong>throttler</strong> – provides methods to pre-throttle a request. Defaults to
<a class="reference internal" href="#apache_beam.io.requestresponse.DefaultThrottler" title="apache_beam.io.requestresponse.DefaultThrottler"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.io.requestresponse.DefaultThrottler</span></code></a> for
client-side adaptive throttling using
<a class="reference internal" href="apache_beam.io.components.adaptive_throttler.html#apache_beam.io.components.adaptive_throttler.AdaptiveThrottler" title="apache_beam.io.components.adaptive_throttler.AdaptiveThrottler"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.io.components.adaptive_throttler.AdaptiveThrottler</span></code></a></p></li>
</ul>
</dd>
</dl>
<dl class="py method">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.RequestResponseIO.expand">
<span class="sig-name descname"><span class="pre">expand</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">requests</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.pvalue.html#apache_beam.pvalue.PCollection" title="apache_beam.pvalue.PCollection"><span class="pre">PCollection</span></a><span class="p"><span class="pre">[</span></span><span class="pre">RequestT</span><span class="p"><span class="pre">]</span></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="apache_beam.pvalue.html#apache_beam.pvalue.PCollection" title="apache_beam.pvalue.PCollection"><span class="pre">PCollection</span></a><span class="p"><span class="pre">[</span></span><span class="pre">ResponseT</span><span class="p"><span class="pre">]</span></span></span></span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#RequestResponseIO.expand"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.RequestResponseIO.expand" title="Link to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.ExponentialBackOffRepeater">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.io.requestresponse.</span></span><span class="sig-name descname"><span class="pre">ExponentialBackOffRepeater</span></span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#ExponentialBackOffRepeater"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.ExponentialBackOffRepeater" title="Link to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">Repeater</span></code></p>
<p>Configure exponential backoff retry strategy.</p>
<p>It retries for exceptions due to the remote service such as
TooManyRequests (HTTP 429), UserCodeTimeoutException, UserCodeQuotaException.</p>
<p>It utilizes the decorator
<a class="reference internal" href="apache_beam.utils.retry.html#apache_beam.utils.retry.with_exponential_backoff" title="apache_beam.utils.retry.with_exponential_backoff"><code class="xref py py-func docutils literal notranslate"><span class="pre">apache_beam.utils.retry.with_exponential_backoff()</span></code></a>.</p>
<dl class="py method">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.ExponentialBackOffRepeater.repeat">
<span class="sig-name descname"><span class="pre">repeat</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">caller</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Caller</span><span class="p"><span class="pre">[</span></span><span class="pre">RequestT</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">ResponseT</span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">request</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">RequestT</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">timeout</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.13)"><span class="pre">float</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">metrics_collector</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">_MetricsCollector</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></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">ResponseT</span></span></span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#ExponentialBackOffRepeater.repeat"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.ExponentialBackOffRepeater.repeat" title="Link to this definition"></a></dt>
<dd><p>repeat method is called from the RequestResponseIO when
a repeater is enabled.</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>caller</strong> – a <cite>~apache_beam.io.requestresponse.Caller</cite> object that
calls the API.</p></li>
<li><p><strong>request</strong> – input request to repeat.</p></li>
<li><p><strong>timeout</strong> – time to wait for the request to complete.</p></li>
<li><p><strong>metrics_collector</strong> – (Optional) a
<cite>~apache_beam.io.requestresponse._MetricsCollector</cite> object to
collect the metrics for RequestResponseIO.</p></li>
</ul>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.DefaultThrottler">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.io.requestresponse.</span></span><span class="sig-name descname"><span class="pre">DefaultThrottler</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">window_ms</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><span class="pre">int</span></a></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">bucket_ms</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><span class="pre">int</span></a></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overload_ratio</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.13)"><span class="pre">float</span></a></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">delay_secs</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><span class="pre">int</span></a></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">5</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#DefaultThrottler"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.DefaultThrottler" title="Link to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">PreCallThrottler</span></code></p>
<p>Default throttler that uses
<a class="reference internal" href="apache_beam.io.components.adaptive_throttler.html#apache_beam.io.components.adaptive_throttler.AdaptiveThrottler" title="apache_beam.io.components.adaptive_throttler.AdaptiveThrottler"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.io.components.adaptive_throttler.AdaptiveThrottler</span></code></a></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>window_ms</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><em>int</em></a>) – length of history to consider, in ms, to set throttling.</p></li>
<li><p><strong>bucket_ms</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><em>int</em></a>) – granularity of time buckets that we store data in, in ms.</p></li>
<li><p><strong>overload_ratio</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.13)"><em>float</em></a>) – the target ratio between requests sent and
successful requests. This is “K” in the formula in
<a class="reference external" href="https://landing.google.com/sre/book/chapters/handling-overload.html">https://landing.google.com/sre/book/chapters/handling-overload.html</a>.</p></li>
<li><p><strong>delay_secs</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><em>int</em></a>) – minimum number of seconds to throttle a request.</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.NoOpsRepeater">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.io.requestresponse.</span></span><span class="sig-name descname"><span class="pre">NoOpsRepeater</span></span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#NoOpsRepeater"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.NoOpsRepeater" title="Link to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">Repeater</span></code></p>
<p>Executes a request just once irrespective of any exception.</p>
<dl class="py method">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.NoOpsRepeater.repeat">
<span class="sig-name descname"><span class="pre">repeat</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">caller</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Caller</span><span class="p"><span class="pre">[</span></span><span class="pre">RequestT</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">ResponseT</span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">request</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">RequestT</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">timeout</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.13)"><span class="pre">float</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">metrics_collector</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">_MetricsCollector</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</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">ResponseT</span></span></span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#NoOpsRepeater.repeat"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.NoOpsRepeater.repeat" title="Link to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.RedisCache">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">apache_beam.io.requestresponse.</span></span><span class="sig-name descname"><span class="pre">RedisCache</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">host</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.13)"><span class="pre">str</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">port</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><span class="pre">int</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">time_to_live</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><span class="pre">int</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/datetime.html#datetime.timedelta" title="(in Python v3.13)"><span class="pre">timedelta</span></a></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">86400</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">request_coder</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.coders.coders.html#apache_beam.coders.coders.Coder" title="apache_beam.coders.coders.Coder"><span class="pre">Coder</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></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">response_coder</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="apache_beam.coders.coders.html#apache_beam.coders.coders.Coder" title="apache_beam.coders.coders.Coder"><span class="pre">Coder</span></a><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.13)"><span class="pre">None</span></a></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="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#RedisCache"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.RedisCache" title="Link to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">Cache</span></code></p>
<p>Configure cache using Redis for
<a class="reference internal" href="#apache_beam.io.requestresponse.RequestResponseIO" title="apache_beam.io.requestresponse.RequestResponseIO"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.io.requestresponse.RequestResponseIO</span></code></a>.</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>host</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.13)"><em>str</em></a>) – The hostname or IP address of the Redis server.</p></li>
<li><p><strong>port</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.13)"><em>int</em></a>) – The port number of the Redis server.</p></li>
<li><p><strong>time_to_live</strong><cite>(Union[int, timedelta])</cite> The time-to-live (TTL) for
records stored in Redis. Provide an integer (in seconds) or a
<cite>datetime.timedelta</cite> object.</p></li>
<li><p><strong>request_coder</strong> – (Optional[<cite>coders.Coder</cite>]) coder for encoding requests.</p></li>
<li><p><strong>response_coder</strong> – (Optional[<cite>coders.Coder</cite>]) coder for decoding responses
received from Redis.</p></li>
<li><p><strong>kwargs</strong> – Optional additional keyword arguments that
are required to connect to your redis server. Same as <cite>redis.Redis()</cite>.</p></li>
</ul>
</dd>
</dl>
<dl class="py method">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.RedisCache.get_read">
<span class="sig-name descname"><span class="pre">get_read</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#RedisCache.get_read"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.RedisCache.get_read" title="Link to this definition"></a></dt>
<dd><p>get_read returns a PTransform for reading from the cache.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.RedisCache.get_write">
<span class="sig-name descname"><span class="pre">get_write</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/requestresponse.html#RedisCache.get_write"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#apache_beam.io.requestresponse.RedisCache.get_write" title="Link to this definition"></a></dt>
<dd><p>returns a PTransform for writing to the cache.</p>
</dd></dl>
<dl class="py property">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.RedisCache.source_caller">
<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">source_caller</span></span><a class="headerlink" href="#apache_beam.io.requestresponse.RedisCache.source_caller" title="Link to this definition"></a></dt>
<dd></dd></dl>
<dl class="py property">
<dt class="sig sig-object py" id="apache_beam.io.requestresponse.RedisCache.request_coder">
<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">request_coder</span></span><a class="headerlink" href="#apache_beam.io.requestresponse.RedisCache.request_coder" title="Link to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
</section>
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