| |
| |
| <!DOCTYPE html> |
| <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> |
| <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> |
| <head> |
| <meta charset="utf-8"> |
| |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| |
| <title>apache_beam.io.tfrecordio module — Apache Beam 2.56.0 documentation</title> |
| |
| |
| |
| |
| |
| |
| |
| |
| <script type="text/javascript" src="_static/js/modernizr.min.js"></script> |
| |
| |
| <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> |
| <script type="text/javascript" src="_static/jquery.js"></script> |
| <script type="text/javascript" src="_static/underscore.js"></script> |
| <script type="text/javascript" src="_static/doctools.js"></script> |
| <script type="text/javascript" src="_static/language_data.js"></script> |
| <script async="async" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-AMS-MML_HTMLorMML"></script> |
| |
| <script type="text/javascript" src="_static/js/theme.js"></script> |
| |
| |
| |
| |
| <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> |
| <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> |
| <link rel="index" title="Index" href="genindex.html" /> |
| <link rel="search" title="Search" href="search.html" /> |
| <link rel="next" title="apache_beam.io.utils module" href="apache_beam.io.utils.html" /> |
| <link rel="prev" title="apache_beam.io.textio module" href="apache_beam.io.textio.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"> Apache Beam |
| |
| |
| |
| </a> |
| |
| |
| |
| |
| <div class="version"> |
| 2.56.0 |
| </div> |
| |
| |
| |
| |
| <div role="search"> |
| <form id="rtd-search-form" class="wy-form" action="search.html" method="get"> |
| <input type="text" name="q" placeholder="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="main navigation"> |
| |
| |
| |
| |
| |
| |
| <ul class="current"> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.coders.html">apache_beam.coders package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.dataframe.html">apache_beam.dataframe package</a></li> |
| <li class="toctree-l1 current"><a class="reference internal" href="apache_beam.io.html">apache_beam.io package</a><ul class="current"> |
| <li class="toctree-l2"><a class="reference internal" href="apache_beam.io.html#subpackages">Subpackages</a></li> |
| <li class="toctree-l2 current"><a class="reference internal" href="apache_beam.io.html#submodules">Submodules</a><ul class="current"> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.avroio.html">apache_beam.io.avroio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.concat_source.html">apache_beam.io.concat_source module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.debezium.html">apache_beam.io.debezium module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filebasedsink.html">apache_beam.io.filebasedsink module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filebasedsource.html">apache_beam.io.filebasedsource module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.fileio.html">apache_beam.io.fileio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filesystem.html">apache_beam.io.filesystem module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filesystemio.html">apache_beam.io.filesystemio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.filesystems.html">apache_beam.io.filesystems module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.hadoopfilesystem.html">apache_beam.io.hadoopfilesystem module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.iobase.html">apache_beam.io.iobase module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.jdbc.html">apache_beam.io.jdbc module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.kafka.html">apache_beam.io.kafka module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.kinesis.html">apache_beam.io.kinesis module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.localfilesystem.html">apache_beam.io.localfilesystem module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.mongodbio.html">apache_beam.io.mongodbio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.parquetio.html">apache_beam.io.parquetio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.range_trackers.html">apache_beam.io.range_trackers module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.requestresponse.html">apache_beam.io.requestresponse module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.restriction_trackers.html">apache_beam.io.restriction_trackers module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.snowflake.html">apache_beam.io.snowflake module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.source_test_utils.html">apache_beam.io.source_test_utils module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.textio.html">apache_beam.io.textio module</a></li> |
| <li class="toctree-l3 current"><a class="current reference internal" href="#">apache_beam.io.tfrecordio module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.utils.html">apache_beam.io.utils module</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="apache_beam.io.watermark_estimators.html">apache_beam.io.watermark_estimators module</a></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.metrics.html">apache_beam.metrics package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.ml.html">apache_beam.ml package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.options.html">apache_beam.options package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.portability.html">apache_beam.portability package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.runners.html">apache_beam.runners package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.testing.html">apache_beam.testing package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.transforms.html">apache_beam.transforms package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.typehints.html">apache_beam.typehints package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.utils.html">apache_beam.utils package</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.yaml.html">apache_beam.yaml package</a></li> |
| </ul> |
| <ul> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.error.html">apache_beam.error module</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.pipeline.html">apache_beam.pipeline module</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="apache_beam.pvalue.html">apache_beam.pvalue module</a></li> |
| </ul> |
| |
| |
| |
| </div> |
| </div> |
| </nav> |
| |
| <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> |
| |
| |
| <nav class="wy-nav-top" aria-label="top navigation"> |
| |
| <i data-toggle="wy-nav-top" class="fa fa-bars"></i> |
| <a href="index.html">Apache Beam</a> |
| |
| </nav> |
| |
| |
| <div class="wy-nav-content"> |
| |
| <div class="rst-content"> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <div role="navigation" aria-label="breadcrumbs navigation"> |
| |
| <ul class="wy-breadcrumbs"> |
| |
| <li><a href="index.html">Docs</a> »</li> |
| |
| <li><a href="apache_beam.io.html">apache_beam.io package</a> »</li> |
| |
| <li>apache_beam.io.tfrecordio module</li> |
| |
| |
| <li class="wy-breadcrumbs-aside"> |
| |
| |
| <a href="_sources/apache_beam.io.tfrecordio.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"> |
| |
| <div class="section" id="module-apache_beam.io.tfrecordio"> |
| <span id="apache-beam-io-tfrecordio-module"></span><h1>apache_beam.io.tfrecordio module<a class="headerlink" href="#module-apache_beam.io.tfrecordio" title="Permalink to this headline">¶</a></h1> |
| <p>TFRecord sources and sinks.</p> |
| <dl class="class"> |
| <dt id="apache_beam.io.tfrecordio.ReadAllFromTFRecord"> |
| <em class="property">class </em><code class="descclassname">apache_beam.io.tfrecordio.</code><code class="descname">ReadAllFromTFRecord</code><span class="sig-paren">(</span><em>coder=BytesCoder</em>, <em>compression_type='auto'</em>, <em>with_filename=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/tfrecordio.html#ReadAllFromTFRecord"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.tfrecordio.ReadAllFromTFRecord" title="Permalink 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">apache_beam.transforms.ptransform.PTransform</span></code></a></p> |
| <p>A <code class="docutils literal notranslate"><span class="pre">PTransform</span></code> for reading a <code class="docutils literal notranslate"><span class="pre">PCollection</span></code> of TFRecord files.</p> |
| <p>Initialize the <code class="docutils literal notranslate"><span class="pre">ReadAllFromTFRecord</span></code> transform.</p> |
| <table class="docutils field-list" frame="void" rules="none"> |
| <col class="field-name" /> |
| <col class="field-body" /> |
| <tbody valign="top"> |
| <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple"> |
| <li><strong>coder</strong> – Coder used to decode each record.</li> |
| <li><strong>compression_type</strong> – Used to handle compressed input files. Default value |
| is CompressionTypes.AUTO, in which case the file_path’s extension will |
| be used to detect the compression.</li> |
| <li><strong>with_filename</strong> – If True, returns a Key Value with the key being the file |
| name and the value being the actual data. If False, it only returns |
| the data.</li> |
| </ul> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <dl class="method"> |
| <dt id="apache_beam.io.tfrecordio.ReadAllFromTFRecord.expand"> |
| <code class="descname">expand</code><span class="sig-paren">(</span><em>pvalue</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/tfrecordio.html#ReadAllFromTFRecord.expand"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.tfrecordio.ReadAllFromTFRecord.expand" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.io.tfrecordio.ReadFromTFRecord"> |
| <em class="property">class </em><code class="descclassname">apache_beam.io.tfrecordio.</code><code class="descname">ReadFromTFRecord</code><span class="sig-paren">(</span><em>file_pattern</em>, <em>coder=BytesCoder</em>, <em>compression_type='auto'</em>, <em>validate=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/tfrecordio.html#ReadFromTFRecord"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.tfrecordio.ReadFromTFRecord" title="Permalink 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">apache_beam.transforms.ptransform.PTransform</span></code></a></p> |
| <p>Transform for reading TFRecord sources.</p> |
| <p>Initialize a ReadFromTFRecord transform.</p> |
| <table class="docutils field-list" frame="void" rules="none"> |
| <col class="field-name" /> |
| <col class="field-body" /> |
| <tbody valign="top"> |
| <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> |
| <li><strong>file_pattern</strong> – A file glob pattern to read TFRecords from.</li> |
| <li><strong>coder</strong> – Coder used to decode each record.</li> |
| <li><strong>compression_type</strong> – Used to handle compressed input files. Default value |
| is CompressionTypes.AUTO, in which case the file_path’s extension will |
| be used to detect the compression.</li> |
| <li><strong>validate</strong> – Boolean flag to verify that the files exist during the pipeline |
| creation time.</li> |
| </ul> |
| </td> |
| </tr> |
| <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A ReadFromTFRecord transform object.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <dl class="method"> |
| <dt id="apache_beam.io.tfrecordio.ReadFromTFRecord.expand"> |
| <code class="descname">expand</code><span class="sig-paren">(</span><em>pvalue</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/tfrecordio.html#ReadFromTFRecord.expand"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.tfrecordio.ReadFromTFRecord.expand" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.io.tfrecordio.WriteToTFRecord"> |
| <em class="property">class </em><code class="descclassname">apache_beam.io.tfrecordio.</code><code class="descname">WriteToTFRecord</code><span class="sig-paren">(</span><em>file_path_prefix</em>, <em>coder=BytesCoder</em>, <em>file_name_suffix=''</em>, <em>num_shards=0</em>, <em>shard_name_template=None</em>, <em>compression_type='auto'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/tfrecordio.html#WriteToTFRecord"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.tfrecordio.WriteToTFRecord" title="Permalink 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">apache_beam.transforms.ptransform.PTransform</span></code></a></p> |
| <p>Transform for writing to TFRecord sinks.</p> |
| <p>Initialize WriteToTFRecord transform.</p> |
| <table class="docutils field-list" frame="void" rules="none"> |
| <col class="field-name" /> |
| <col class="field-body" /> |
| <tbody valign="top"> |
| <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple"> |
| <li><strong>file_path_prefix</strong> – The file path to write to. The files written will begin |
| with this prefix, followed by a shard identifier (see num_shards), and |
| end in a common extension, if given by file_name_suffix.</li> |
| <li><strong>coder</strong> – Coder used to encode each record.</li> |
| <li><strong>file_name_suffix</strong> – Suffix for the files written.</li> |
| <li><strong>num_shards</strong> – The number of files (shards) used for output. If not set, the |
| default value will be used.</li> |
| <li><strong>shard_name_template</strong> – A template string containing placeholders for |
| the shard number and shard count. When constructing a filename for a |
| particular shard number, the upper-case letters ‘S’ and ‘N’ are |
| replaced with the 0-padded shard number and shard count respectively. |
| This argument can be ‘’ in which case it behaves as if num_shards was |
| set to 1 and only one file will be generated. The default pattern used |
| is ‘-SSSSS-of-NNNNN’ if None is passed as the shard_name_template.</li> |
| <li><strong>compression_type</strong> – Used to handle compressed output files. Typical value |
| is CompressionTypes.AUTO, in which case the file_path’s extension will |
| be used to detect the compression.</li> |
| </ul> |
| </td> |
| </tr> |
| <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A WriteToTFRecord transform object.</p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <dl class="method"> |
| <dt id="apache_beam.io.tfrecordio.WriteToTFRecord.expand"> |
| <code class="descname">expand</code><span class="sig-paren">(</span><em>pcoll</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/io/tfrecordio.html#WriteToTFRecord.expand"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.io.tfrecordio.WriteToTFRecord.expand" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| </div> |
| |
| |
| </div> |
| |
| </div> |
| <footer> |
| |
| <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> |
| |
| <a href="apache_beam.io.utils.html" class="btn btn-neutral float-right" title="apache_beam.io.utils module" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a> |
| |
| |
| <a href="apache_beam.io.textio.html" class="btn btn-neutral float-left" title="apache_beam.io.textio module" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a> |
| |
| </div> |
| |
| |
| <hr/> |
| |
| <div role="contentinfo"> |
| <p> |
| © Copyright |
| |
| </p> |
| </div> |
| Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. |
| |
| </footer> |
| |
| </div> |
| </div> |
| |
| </section> |
| |
| </div> |
| |
| |
| |
| <script type="text/javascript"> |
| jQuery(function () { |
| SphinxRtdTheme.Navigation.enable(true); |
| }); |
| </script> |
| |
| |
| |
| |
| |
| |
| </body> |
| </html> |