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| <h1>Source code for apache_beam.runners.interactive.testing.test_cache_manager</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="kn">import</span> <span class="nn">collections</span> |
| <span class="kn">import</span> <span class="nn">itertools</span> |
| <span class="kn">import</span> <span class="nn">sys</span> |
| |
| <span class="kn">import</span> <span class="nn">apache_beam</span> <span class="k">as</span> <span class="nn">beam</span> |
| <span class="kn">from</span> <span class="nn">apache_beam</span> <span class="kn">import</span> <span class="n">coders</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.portability.api</span> <span class="kn">import</span> <span class="n">beam_interactive_api_pb2</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.portability.api</span> <span class="kn">import</span> <span class="n">beam_runner_api_pb2</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.runners.interactive.cache_manager</span> <span class="kn">import</span> <span class="n">CacheManager</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.utils.timestamp</span> <span class="kn">import</span> <span class="n">Duration</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.utils.timestamp</span> <span class="kn">import</span> <span class="n">Timestamp</span> |
| |
| |
| <div class="viewcode-block" id="InMemoryCache"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache">[docs]</a><span class="k">class</span> <span class="nc">InMemoryCache</span><span class="p">(</span><span class="n">CacheManager</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""A cache that stores all PCollections in an in-memory map.</span> |
| |
| <span class="sd"> This is only used for checking the pipeline shape. This can't be used for</span> |
| <span class="sd"> running the pipeline isn't shared between the SDK and the Runner.</span> |
| <span class="sd"> """</span> |
| <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_cached</span> <span class="o">=</span> <span class="p">{}</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_pcoders</span> <span class="o">=</span> <span class="p">{}</span> |
| |
| <div class="viewcode-block" id="InMemoryCache.exists"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.exists">[docs]</a> <span class="k">def</span> <span class="nf">exists</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cached</span></div> |
| |
| <span class="k">def</span> <span class="nf">_latest_version</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="k">return</span> <span class="kc">True</span> |
| |
| <div class="viewcode-block" id="InMemoryCache.read"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.read">[docs]</a> <span class="k">def</span> <span class="nf">read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">,</span> <span class="o">**</span><span class="n">args</span><span class="p">):</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="k">return</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">([]),</span> <span class="o">-</span><span class="mi">1</span> |
| |
| <span class="k">return</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_cached</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)]),</span> <span class="kc">None</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.write"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.write">[docs]</a> <span class="k">def</span> <span class="nf">write</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_cached</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)]</span> <span class="o">=</span> <span class="p">[]</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_cached</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)]</span> <span class="o">+=</span> <span class="n">value</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.save_pcoder"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.save_pcoder">[docs]</a> <span class="k">def</span> <span class="nf">save_pcoder</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pcoder</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_pcoders</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)]</span> <span class="o">=</span> <span class="n">pcoder</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.load_pcoder"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.load_pcoder">[docs]</a> <span class="k">def</span> <span class="nf">load_pcoder</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pcoders</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)]</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.cleanup"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.cleanup">[docs]</a> <span class="k">def</span> <span class="nf">cleanup</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_cached</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="nb">list</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_pcoders</span> <span class="o">=</span> <span class="p">{}</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.clear"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.clear">[docs]</a> <span class="k">def</span> <span class="nf">clear</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">label</span><span class="p">):</span> |
| <span class="c1"># Noop because in-memory.</span> |
| <span class="k">pass</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.source"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.source">[docs]</a> <span class="k">def</span> <span class="nf">source</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="n">vals</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_cached</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)]</span> |
| <span class="k">return</span> <span class="n">beam</span><span class="o">.</span><span class="n">Create</span><span class="p">(</span><span class="n">vals</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.sink"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.sink">[docs]</a> <span class="k">def</span> <span class="nf">sink</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">labels</span><span class="p">,</span> <span class="n">is_capture</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> |
| <span class="k">return</span> <span class="n">beam</span><span class="o">.</span><span class="n">Map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">_</span><span class="p">:</span> <span class="n">_</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="InMemoryCache.size"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.InMemoryCache.size">[docs]</a> <span class="k">def</span> <span class="nf">size</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">):</span> |
| <span class="k">return</span> <span class="n">sys</span><span class="o">.</span><span class="n">getsizeof</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_cached</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_key</span><span class="p">(</span><span class="o">*</span><span class="n">labels</span><span class="p">)])</span> |
| <span class="k">return</span> <span class="mi">0</span></div> |
| |
| <span class="k">def</span> <span class="nf">_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">labels</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="n">l</span> <span class="k">for</span> <span class="n">l</span> <span class="ow">in</span> <span class="n">labels</span><span class="p">])</span></div> |
| |
| |
| <div class="viewcode-block" id="NoopSink"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.NoopSink">[docs]</a><span class="k">class</span> <span class="nc">NoopSink</span><span class="p">(</span><span class="n">beam</span><span class="o">.</span><span class="n">PTransform</span><span class="p">):</span> |
| <div class="viewcode-block" id="NoopSink.expand"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.NoopSink.expand">[docs]</a> <span class="k">def</span> <span class="nf">expand</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pcoll</span><span class="p">):</span> |
| <span class="k">return</span> <span class="n">pcoll</span> <span class="o">|</span> <span class="n">beam</span><span class="o">.</span><span class="n">Map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span><span class="p">)</span></div></div> |
| |
| |
| <div class="viewcode-block" id="FileRecordsBuilder"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.FileRecordsBuilder">[docs]</a><span class="k">class</span> <span class="nc">FileRecordsBuilder</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> |
| <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">tag</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_header</span> <span class="o">=</span> <span class="n">beam_interactive_api_pb2</span><span class="o">.</span><span class="n">TestStreamFileHeader</span><span class="p">(</span><span class="n">tag</span><span class="o">=</span><span class="n">tag</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_records</span> <span class="o">=</span> <span class="p">[]</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_coder</span> <span class="o">=</span> <span class="n">coders</span><span class="o">.</span><span class="n">FastPrimitivesCoder</span><span class="p">()</span> |
| |
| <div class="viewcode-block" id="FileRecordsBuilder.add_element"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.FileRecordsBuilder.add_element">[docs]</a> <span class="k">def</span> <span class="nf">add_element</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">element</span><span class="p">,</span> <span class="n">event_time_secs</span><span class="p">):</span> |
| <span class="n">element_payload</span> <span class="o">=</span> <span class="n">beam_runner_api_pb2</span><span class="o">.</span><span class="n">TestStreamPayload</span><span class="o">.</span><span class="n">TimestampedElement</span><span class="p">(</span> |
| <span class="n">encoded_element</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_coder</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="n">element</span><span class="p">),</span> |
| <span class="n">timestamp</span><span class="o">=</span><span class="n">Timestamp</span><span class="o">.</span><span class="n">of</span><span class="p">(</span><span class="n">event_time_secs</span><span class="p">)</span><span class="o">.</span><span class="n">micros</span><span class="p">)</span> |
| <span class="n">record</span> <span class="o">=</span> <span class="n">beam_interactive_api_pb2</span><span class="o">.</span><span class="n">TestStreamFileRecord</span><span class="p">(</span> |
| <span class="n">recorded_event</span><span class="o">=</span><span class="n">beam_runner_api_pb2</span><span class="o">.</span><span class="n">TestStreamPayload</span><span class="o">.</span><span class="n">Event</span><span class="p">(</span> |
| <span class="n">element_event</span><span class="o">=</span><span class="n">beam_runner_api_pb2</span><span class="o">.</span><span class="n">TestStreamPayload</span><span class="o">.</span><span class="n">Event</span><span class="o">.</span> |
| <span class="n">AddElements</span><span class="p">(</span><span class="n">elements</span><span class="o">=</span><span class="p">[</span><span class="n">element_payload</span><span class="p">])))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_records</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">record</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="FileRecordsBuilder.advance_watermark"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.FileRecordsBuilder.advance_watermark">[docs]</a> <span class="k">def</span> <span class="nf">advance_watermark</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">watermark_secs</span><span class="p">):</span> |
| <span class="n">record</span> <span class="o">=</span> <span class="n">beam_interactive_api_pb2</span><span class="o">.</span><span class="n">TestStreamFileRecord</span><span class="p">(</span> |
| <span class="n">recorded_event</span><span class="o">=</span><span class="n">beam_runner_api_pb2</span><span class="o">.</span><span class="n">TestStreamPayload</span><span class="o">.</span><span class="n">Event</span><span class="p">(</span> |
| <span class="n">watermark_event</span><span class="o">=</span><span class="n">beam_runner_api_pb2</span><span class="o">.</span><span class="n">TestStreamPayload</span><span class="o">.</span> |
| <span class="n">Event</span><span class="o">.</span><span class="n">AdvanceWatermark</span><span class="p">(</span> |
| <span class="n">new_watermark</span><span class="o">=</span><span class="n">Timestamp</span><span class="o">.</span><span class="n">of</span><span class="p">(</span><span class="n">watermark_secs</span><span class="p">)</span><span class="o">.</span><span class="n">micros</span><span class="p">)))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_records</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">record</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="FileRecordsBuilder.advance_processing_time"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.FileRecordsBuilder.advance_processing_time">[docs]</a> <span class="k">def</span> <span class="nf">advance_processing_time</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">delta_secs</span><span class="p">):</span> |
| <span class="n">record</span> <span class="o">=</span> <span class="n">beam_interactive_api_pb2</span><span class="o">.</span><span class="n">TestStreamFileRecord</span><span class="p">(</span> |
| <span class="n">recorded_event</span><span class="o">=</span><span class="n">beam_runner_api_pb2</span><span class="o">.</span><span class="n">TestStreamPayload</span><span class="o">.</span><span class="n">Event</span><span class="p">(</span> |
| <span class="n">processing_time_event</span><span class="o">=</span><span class="n">beam_runner_api_pb2</span><span class="o">.</span><span class="n">TestStreamPayload</span><span class="o">.</span><span class="n">Event</span><span class="o">.</span> |
| <span class="n">AdvanceProcessingTime</span><span class="p">(</span> |
| <span class="n">advance_duration</span><span class="o">=</span><span class="n">Duration</span><span class="o">.</span><span class="n">of</span><span class="p">(</span><span class="n">delta_secs</span><span class="p">)</span><span class="o">.</span><span class="n">micros</span><span class="p">)))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_records</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">record</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span></div> |
| |
| <div class="viewcode-block" id="FileRecordsBuilder.build"><a class="viewcode-back" href="../../../../../apache_beam.runners.interactive.testing.test_cache_manager.html#apache_beam.runners.interactive.testing.test_cache_manager.FileRecordsBuilder.build">[docs]</a> <span class="k">def</span> <span class="nf">build</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_header</span><span class="p">]</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_records</span></div></div> |
| </pre></div> |
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