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| <h1>Source code for apache_beam.runners.interactive.caching.cacheable</h1><div class="highlight"><pre> |
| <span></span><span class="c1">#</span> |
| <span class="c1"># Licensed to the Apache Software Foundation (ASF) under one or more</span> |
| <span class="c1"># contributor license agreements. See the NOTICE file distributed with</span> |
| <span class="c1"># this work for additional information regarding copyright ownership.</span> |
| <span class="c1"># The ASF licenses this file to You under the Apache License, Version 2.0</span> |
| <span class="c1"># (the "License"); you may not use this file except in compliance with</span> |
| <span class="c1"># the License. You may obtain a copy of the License at</span> |
| <span class="c1">#</span> |
| <span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="c1">#</span> |
| <span class="c1"># Unless required by applicable law or agreed to in writing, software</span> |
| <span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="c1"># See the License for the specific language governing permissions and</span> |
| <span class="c1"># limitations under the License.</span> |
| <span class="c1">#</span> |
| |
| <span class="sd">"""Module for dataclasses to hold metadata of cacheable PCollections in the user</span> |
| <span class="sd">code scope.</span> |
| |
| <span class="sd">For internal use only; no backwards-compatibility guarantees.</span> |
| <span class="sd">"""</span> |
| |
| <span class="c1"># pytype: skip-file</span> |
| |
| <span class="kn">from</span> <span class="nn">dataclasses</span> <span class="kn">import</span> <span class="n">dataclass</span> |
| |
| <span class="kn">import</span> <span class="nn">apache_beam</span> <span class="k">as</span> <span class="nn">beam</span> |
| |
| |
| <div class="viewcode-block" id="Cacheable"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.caching.cacheable.html#apache_beam.runners.interactive.caching.cacheable.Cacheable">[docs]</a><span class="nd">@dataclass</span> |
| <span class="k">class</span> <span class="nc">Cacheable</span><span class="p">:</span> |
| <span class="n">var</span><span class="p">:</span> <span class="nb">str</span> |
| <span class="n">version</span><span class="p">:</span> <span class="nb">str</span> |
| <span class="n">producer_version</span><span class="p">:</span> <span class="nb">str</span> |
| <span class="n">pcoll</span><span class="p">:</span> <span class="n">beam</span><span class="o">.</span><span class="n">pvalue</span><span class="o">.</span><span class="n">PCollection</span> |
| |
| <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="nb">hash</span><span class="p">((</span><span class="bp">self</span><span class="o">.</span><span class="n">var</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">version</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">producer_version</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pcoll</span><span class="p">))</span> |
| |
| <div class="viewcode-block" id="Cacheable.from_pcoll"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.caching.cacheable.html#apache_beam.runners.interactive.caching.cacheable.Cacheable.from_pcoll">[docs]</a> <span class="nd">@staticmethod</span> |
| <span class="k">def</span> <span class="nf">from_pcoll</span><span class="p">(</span> |
| <span class="n">pcoll_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">pcoll</span><span class="p">:</span> <span class="n">beam</span><span class="o">.</span><span class="n">pvalue</span><span class="o">.</span><span class="n">PCollection</span><span class="p">)</span> <span class="o">-></span> <span class="s1">'Cacheable'</span><span class="p">:</span> |
| <span class="k">return</span> <span class="n">Cacheable</span><span class="p">(</span><span class="n">pcoll_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">pcoll</span><span class="p">)),</span> <span class="nb">str</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">pcoll</span><span class="o">.</span><span class="n">producer</span><span class="p">)),</span> <span class="n">pcoll</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="Cacheable.to_key"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.caching.cacheable.html#apache_beam.runners.interactive.caching.cacheable.Cacheable.to_key">[docs]</a> <span class="k">def</span> <span class="nf">to_key</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="n">CacheKey</span><span class="p">(</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">var</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">version</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">producer_version</span><span class="p">,</span> |
| <span class="nb">str</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">pcoll</span><span class="o">.</span><span class="n">pipeline</span><span class="p">)))</span></div></div> |
| |
| |
| <div class="viewcode-block" id="CacheKey"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.caching.cacheable.html#apache_beam.runners.interactive.caching.cacheable.CacheKey">[docs]</a><span class="nd">@dataclass</span> |
| <span class="k">class</span> <span class="nc">CacheKey</span><span class="p">:</span> |
| <span class="sd">"""The identifier of a cacheable PCollection in cache.</span> |
| |
| <span class="sd"> It contains 4 stringified components:</span> |
| <span class="sd"> var: The obfuscated variable name of the PCollection.</span> |
| <span class="sd"> version: The id() of the PCollection.</span> |
| <span class="sd"> producer_version: The id() of the producer of the PCollection.</span> |
| <span class="sd"> pipeline_id: The id() of the pipeline the PCollection belongs to.</span> |
| <span class="sd"> """</span> |
| <span class="n">var</span><span class="p">:</span> <span class="nb">str</span> |
| <span class="n">version</span><span class="p">:</span> <span class="nb">str</span> |
| <span class="n">producer_version</span><span class="p">:</span> <span class="nb">str</span> |
| <span class="n">pipeline_id</span><span class="p">:</span> <span class="nb">str</span> |
| |
| <span class="k">def</span> <span class="nf">__post_init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.runners.interactive.utils</span> <span class="kn">import</span> <span class="n">obfuscate</span> |
| <span class="c1"># Normalize arbitrary variable name to a fixed length hex str.</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">var</span> <span class="o">=</span> <span class="n">obfuscate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">var</span><span class="p">)[:</span><span class="mi">10</span><span class="p">]</span> |
| |
| <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span> |
| <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">var</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">version</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">producer_version</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pipeline_id</span><span class="p">))</span> |
| |
| <div class="viewcode-block" id="CacheKey.from_str"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.caching.cacheable.html#apache_beam.runners.interactive.caching.cacheable.CacheKey.from_str">[docs]</a> <span class="nd">@staticmethod</span> |
| <span class="k">def</span> <span class="nf">from_str</span><span class="p">(</span><span class="n">r</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="s1">'CacheKey'</span><span class="p">:</span> |
| <span class="n">r_split</span> <span class="o">=</span> <span class="n">r</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'-'</span><span class="p">)</span> |
| <span class="n">ck</span> <span class="o">=</span> <span class="n">CacheKey</span><span class="p">(</span><span class="o">*</span><span class="n">r_split</span><span class="p">)</span> |
| <span class="c1"># Avoid double obfuscation.</span> |
| <span class="n">ck</span><span class="o">.</span><span class="n">var</span> <span class="o">=</span> <span class="n">r_split</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> |
| <span class="k">return</span> <span class="n">ck</span></div> |
| |
| <div class="viewcode-block" id="CacheKey.from_pcoll"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.caching.cacheable.html#apache_beam.runners.interactive.caching.cacheable.CacheKey.from_pcoll">[docs]</a> <span class="nd">@staticmethod</span> |
| <span class="k">def</span> <span class="nf">from_pcoll</span><span class="p">(</span><span class="n">pcoll_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">pcoll</span><span class="p">:</span> <span class="n">beam</span><span class="o">.</span><span class="n">pvalue</span><span class="o">.</span><span class="n">PCollection</span><span class="p">)</span> <span class="o">-></span> <span class="s1">'CacheKey'</span><span class="p">:</span> |
| <span class="k">return</span> <span class="n">CacheKey</span><span class="p">(</span> |
| <span class="n">pcoll_name</span><span class="p">,</span> |
| <span class="nb">str</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">pcoll</span><span class="p">)),</span> |
| <span class="nb">str</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">pcoll</span><span class="o">.</span><span class="n">producer</span><span class="p">)),</span> |
| <span class="nb">str</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">pcoll</span><span class="o">.</span><span class="n">pipeline</span><span class="p">)))</span></div> |
| |
| <div class="viewcode-block" id="CacheKey.to_str"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.caching.cacheable.html#apache_beam.runners.interactive.caching.cacheable.CacheKey.to_str">[docs]</a> <span class="k">def</span> <span class="nf">to_str</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="s1">'-'</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> |
| <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">var</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">version</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">producer_version</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pipeline_id</span><span class="p">])</span></div> |
| |
| <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">to_str</span><span class="p">()</span> |
| |
| <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">to_str</span><span class="p">()</span></div> |
| </pre></div> |
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