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| <h1>Source code for apache_beam.runners.interactive.testing.integration.notebook_executor</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 to execute jupyter notebooks and gather the output into renderable</span> |
| <span class="sd">HTML files."""</span> |
| |
| <span class="c1"># pytype: skip-file</span> |
| |
| <span class="kn">import</span> <span class="nn">html</span> |
| <span class="kn">import</span> <span class="nn">os</span> |
| <span class="kn">import</span> <span class="nn">shutil</span> |
| <span class="kn">import</span> <span class="nn">subprocess</span> |
| <span class="kn">from</span> <span class="nn">html.parser</span> <span class="kn">import</span> <span class="n">HTMLParser</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="k">try</span><span class="p">:</span> |
| <span class="kn">import</span> <span class="nn">nbformat</span> |
| <span class="kn">from</span> <span class="nn">jupyter_client.kernelspec</span> <span class="kn">import</span> <span class="n">KernelSpecManager</span> |
| <span class="kn">from</span> <span class="nn">nbconvert.preprocessors</span> <span class="kn">import</span> <span class="n">ExecutePreprocessor</span> |
| <span class="n">_interactive_integration_ready</span> <span class="o">=</span> <span class="kc">True</span> |
| <span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> |
| <span class="n">_interactive_integration_ready</span> <span class="o">=</span> <span class="kc">False</span> |
| |
| |
| <div class="viewcode-block" id="NotebookExecutor"><a class="viewcode-back" href="../../../../../../apache_beam.runners.interactive.testing.integration.notebook_executor.html#apache_beam.runners.interactive.testing.integration.notebook_executor.NotebookExecutor">[docs]</a><span class="k">class</span> <span class="nc">NotebookExecutor</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""Executor that reads notebooks, executes it and gathers outputs into static</span> |
| <span class="sd"> HTML pages that can be served."""</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">path</span><span class="p">):</span> |
| <span class="c1"># type: (str) -> None</span> |
| |
| <span class="k">assert</span> <span class="n">_interactive_integration_ready</span><span class="p">,</span> <span class="p">(</span> |
| <span class="s1">'[interactive_test] dependency is not installed.'</span><span class="p">)</span> |
| <span class="k">assert</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">path</span><span class="p">),</span> <span class="s1">'</span><span class="si">{}</span><span class="s1"> does not exist.'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_paths</span> <span class="o">=</span> <span class="p">[]</span> |
| <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">path</span><span class="p">):</span> |
| <span class="k">for</span> <span class="n">root</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">files</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">path</span><span class="p">):</span> |
| <span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">files</span><span class="p">:</span> |
| <span class="k">if</span> <span class="n">filename</span><span class="o">.</span><span class="n">endswith</span><span class="p">(</span><span class="s1">'.ipynb'</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_paths</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">root</span><span class="p">,</span> <span class="n">filename</span><span class="p">))</span> |
| <span class="k">elif</span> <span class="n">path</span><span class="o">.</span><span class="n">endswith</span><span class="p">(</span><span class="s1">'.ipynb'</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_paths</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> |
| <span class="k">assert</span> <span class="nb">len</span><span class="p">(</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_paths</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">,</span> <span class="p">(</span><span class="s1">'No notebooks to be executed under</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">path</span><span class="p">))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_dir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_paths</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_output_html_dir</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_dir</span><span class="p">,</span> <span class="s1">'output'</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cleanup</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_output_html_paths</span> <span class="o">=</span> <span class="p">{}</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_notebook_path_to_execution_id</span> <span class="o">=</span> <span class="p">{}</span> |
| <span class="n">kernel_specs</span> <span class="o">=</span> <span class="n">KernelSpecManager</span><span class="p">()</span><span class="o">.</span><span class="n">get_all_specs</span><span class="p">()</span> |
| <span class="k">if</span> <span class="s1">'test'</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">kernel_specs</span><span class="p">:</span> |
| <span class="c1"># Install a test ipython kernel in current runtime environment. If this</span> |
| <span class="c1"># errors out, it means the test env is broken and should fail the test.</span> |
| <span class="n">process</span> <span class="o">=</span> <span class="n">subprocess</span><span class="o">.</span><span class="n">run</span><span class="p">(</span> |
| <span class="p">[</span><span class="s1">'python'</span><span class="p">,</span> <span class="s1">'-m'</span><span class="p">,</span> <span class="s1">'ipykernel'</span><span class="p">,</span> <span class="s1">'install'</span><span class="p">,</span> <span class="s1">'--user'</span><span class="p">,</span> <span class="s1">'--name'</span><span class="p">,</span> <span class="s1">'test'</span><span class="p">],</span> |
| <span class="n">check</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> |
| <span class="n">process</span><span class="o">.</span><span class="n">check_returncode</span><span class="p">()</span> |
| |
| <div class="viewcode-block" id="NotebookExecutor.cleanup"><a class="viewcode-back" href="../../../../../../apache_beam.runners.interactive.testing.integration.notebook_executor.html#apache_beam.runners.interactive.testing.integration.notebook_executor.NotebookExecutor.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="w"> </span><span class="sd">"""Cleans up the output folder."""</span> |
| <span class="n">_cleanup</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_output_html_dir</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="NotebookExecutor.execute"><a class="viewcode-back" href="../../../../../../apache_beam.runners.interactive.testing.integration.notebook_executor.html#apache_beam.runners.interactive.testing.integration.notebook_executor.NotebookExecutor.execute">[docs]</a> <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""Executes all notebooks found in the scoped path and gathers their</span> |
| <span class="sd"> outputs into HTML pages stored in the output folder."""</span> |
| <span class="k">for</span> <span class="n">path</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_paths</span><span class="p">:</span> |
| <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="s1">'r'</span><span class="p">)</span> <span class="k">as</span> <span class="n">nb_f</span><span class="p">:</span> |
| <span class="n">nb</span> <span class="o">=</span> <span class="n">nbformat</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">nb_f</span><span class="p">,</span> <span class="n">as_version</span><span class="o">=</span><span class="mi">4</span><span class="p">)</span> |
| <span class="n">ep</span> <span class="o">=</span> <span class="n">ExecutePreprocessor</span><span class="p">(</span> |
| <span class="n">timeout</span><span class="o">=-</span><span class="mi">1</span><span class="p">,</span> <span class="n">allow_errors</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">kernel_name</span><span class="o">=</span><span class="s1">'test'</span><span class="p">)</span> |
| <span class="n">ep</span><span class="o">.</span><span class="n">preprocess</span><span class="p">(</span><span class="n">nb</span><span class="p">,</span> <span class="p">{</span><span class="s1">'metadata'</span><span class="p">:</span> <span class="p">{</span><span class="s1">'path'</span><span class="p">:</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">path</span><span class="p">)}})</span> |
| |
| <span class="n">execution_id</span> <span class="o">=</span> <span class="n">obfuscate</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> |
| <span class="n">output_html_path</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_output_html_dir</span><span class="p">,</span> <span class="n">execution_id</span> <span class="o">+</span> <span class="s1">'.html'</span><span class="p">)</span> |
| <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">output_html_path</span><span class="p">,</span> <span class="s1">'a+'</span><span class="p">)</span> <span class="k">as</span> <span class="n">sink</span><span class="p">:</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'<html></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'<head></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'</head></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'<body></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="k">for</span> <span class="n">cell</span> <span class="ow">in</span> <span class="n">nb</span><span class="p">[</span><span class="s1">'cells'</span><span class="p">]:</span> |
| <span class="k">if</span> <span class="n">cell</span><span class="p">[</span><span class="s1">'cell_type'</span><span class="p">]</span> <span class="o">==</span> <span class="s1">'code'</span><span class="p">:</span> |
| <span class="k">for</span> <span class="n">output</span> <span class="ow">in</span> <span class="n">cell</span><span class="p">[</span><span class="s1">'outputs'</span><span class="p">]:</span> |
| <span class="n">_extract_html</span><span class="p">(</span><span class="n">output</span><span class="p">,</span> <span class="n">sink</span><span class="p">)</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'</body></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'</html></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_output_html_paths</span><span class="p">[</span><span class="n">execution_id</span><span class="p">]</span> <span class="o">=</span> <span class="n">output_html_path</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_notebook_path_to_execution_id</span><span class="p">[</span><span class="n">path</span><span class="p">]</span> <span class="o">=</span> <span class="n">execution_id</span></div> |
| |
| <span class="nd">@property</span> |
| <span class="k">def</span> <span class="nf">output_html_paths</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""Mapping from execution ids to output html page paths.</span> |
| |
| <span class="sd"> An execution/test id is an obfuscated value from the executed notebook path.</span> |
| <span class="sd"> It identifies the input notebook, the output html, the screenshot of the</span> |
| <span class="sd"> output html, and the golden screenshot for comparison.</span> |
| <span class="sd"> """</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_output_html_paths</span> |
| |
| <span class="nd">@property</span> |
| <span class="k">def</span> <span class="nf">output_html_dir</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""The directory's path to all the output html pages generated."""</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_output_html_dir</span> |
| |
| <span class="nd">@property</span> |
| <span class="k">def</span> <span class="nf">notebook_path_to_execution_id</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""Mapping from input notebook paths to their obfuscated execution ids."""</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_notebook_path_to_execution_id</span></div> |
| |
| |
| <span class="k">def</span> <span class="nf">_cleanup</span><span class="p">(</span><span class="n">output_dir</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""Cleans up the given output_dir."""</span> |
| <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">output_dir</span><span class="p">):</span> |
| <span class="n">shutil</span><span class="o">.</span><span class="n">rmtree</span><span class="p">(</span><span class="n">output_dir</span><span class="p">)</span> |
| <span class="n">os</span><span class="o">.</span><span class="n">makedirs</span><span class="p">(</span><span class="n">output_dir</span><span class="p">)</span> |
| |
| |
| <span class="k">def</span> <span class="nf">_extract_html</span><span class="p">(</span><span class="n">output</span><span class="p">,</span> <span class="n">sink</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""Extracts html elements from the output of an executed notebook node and</span> |
| <span class="sd"> writes them into a file sink."""</span> |
| <span class="k">if</span> <span class="n">output</span><span class="p">[</span><span class="s1">'output_type'</span><span class="p">]</span> <span class="o">==</span> <span class="s1">'display_data'</span><span class="p">:</span> |
| <span class="n">data</span> <span class="o">=</span> <span class="n">output</span><span class="p">[</span><span class="s1">'data'</span><span class="p">]</span> |
| <span class="k">if</span> <span class="s1">'application/javascript'</span> <span class="ow">in</span> <span class="n">data</span><span class="p">:</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'<script></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'application/javascript'</span><span class="p">])</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s1">'</script></span><span class="se">\n</span><span class="s1">'</span><span class="p">)</span> |
| <span class="k">if</span> <span class="s1">'text/html'</span> <span class="ow">in</span> <span class="n">data</span><span class="p">:</span> |
| <span class="n">parser</span> <span class="o">=</span> <span class="n">IFrameParser</span><span class="p">()</span> |
| <span class="n">parser</span><span class="o">.</span><span class="n">feed</span><span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'text/html'</span><span class="p">])</span> |
| <span class="k">if</span> <span class="n">parser</span><span class="o">.</span><span class="n">srcdocs</span><span class="p">:</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">parser</span><span class="o">.</span><span class="n">srcdocs</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="n">sink</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'text/html'</span><span class="p">])</span> |
| |
| |
| <div class="viewcode-block" id="IFrameParser"><a class="viewcode-back" href="../../../../../../apache_beam.runners.interactive.testing.integration.notebook_executor.html#apache_beam.runners.interactive.testing.integration.notebook_executor.IFrameParser">[docs]</a><span class="k">class</span> <span class="nc">IFrameParser</span><span class="p">(</span><span class="n">HTMLParser</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">"""A parser to extract iframe content from given HTML."""</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">_srcdocs</span> <span class="o">=</span> <span class="p">[]</span> |
| <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> |
| |
| <div class="viewcode-block" id="IFrameParser.handle_starttag"><a class="viewcode-back" href="../../../../../../apache_beam.runners.interactive.testing.integration.notebook_executor.html#apache_beam.runners.interactive.testing.integration.notebook_executor.IFrameParser.handle_starttag">[docs]</a> <span class="k">def</span> <span class="nf">handle_starttag</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">tag</span><span class="p">,</span> <span class="n">attrs</span><span class="p">):</span> |
| <span class="k">if</span> <span class="n">tag</span> <span class="o">==</span> <span class="s1">'iframe'</span><span class="p">:</span> |
| <span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="n">attrs</span><span class="p">:</span> |
| <span class="k">if</span> <span class="s1">'srcdoc'</span> <span class="ow">in</span> <span class="n">attr</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_srcdocs</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">html</span><span class="o">.</span><span class="n">unescape</span><span class="p">(</span><span class="n">attr</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span></div> |
| |
| <span class="nd">@property</span> |
| <span class="k">def</span> <span class="nf">srcdocs</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="se">\n</span><span class="s1">'</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_srcdocs</span><span class="p">)</span></div> |
| </pre></div> |
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