ds4se/docs/Testmetrics.html

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<div class=" highlight hl-ipython3"><pre><span></span><span class="o">!</span>pip install codemetrics
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<pre>Collecting codemetrics
  Downloading codemetrics-0.9.6.tar.gz (55 kB)
     |████████████████████████████████| 55 kB 1.0 MB/s eta 0:00:011
Requirement already satisfied: numpy in /usr/local/lib/python3.6/dist-packages (from codemetrics) (1.17.1)
Requirement already satisfied: click&gt;=6.0 in /usr/local/lib/python3.6/dist-packages (from codemetrics) (7.1.1)
Requirement already satisfied: pandas in /usr/local/lib/python3.6/dist-packages (from codemetrics) (1.0.3)
Requirement already satisfied: tqdm in /usr/local/lib/python3.6/dist-packages (from codemetrics) (4.45.0)
Requirement already satisfied: python-dateutil in /usr/local/lib/python3.6/dist-packages (from codemetrics) (2.8.0)
Requirement already satisfied: scikit-learn in /usr/local/lib/python3.6/dist-packages (from codemetrics) (0.22.2.post1)
Requirement already satisfied: lizard in /usr/local/lib/python3.6/dist-packages (from codemetrics) (1.17.3)
Requirement already satisfied: pytz&gt;=2017.2 in /usr/local/lib/python3.6/dist-packages (from pandas-&gt;codemetrics) (2019.3)
Requirement already satisfied: six&gt;=1.5 in /usr/lib/python3/dist-packages (from python-dateutil-&gt;codemetrics) (1.11.0)
Requirement already satisfied: scipy&gt;=0.17.0 in /usr/local/lib/python3.6/dist-packages (from scikit-learn-&gt;codemetrics) (1.4.1)
Requirement already satisfied: joblib&gt;=0.11 in /usr/local/lib/python3.6/dist-packages (from scikit-learn-&gt;codemetrics) (0.14.1)
Building wheels for collected packages: codemetrics
  Building wheel for codemetrics (setup.py) ... done
  Created wheel for codemetrics: filename=codemetrics-0.9.6-py2.py3-none-any.whl size=28080 sha256=e23664c753faeed783a7a3234b9605980ba10d8e13196b32c2ee38265bc032cb
  Stored in directory: /root/.cache/pip/wheels/e5/5e/e6/beec95ac46274bf5a3f5e83553d6bb40b9a752c6585deff9f4
Successfully built codemetrics
Installing collected packages: codemetrics
Successfully installed codemetrics-0.9.6
<span class="ansi-yellow-fg">WARNING: You are using pip version 20.0.2; however, version 20.1.1 is available.
You should consider upgrading via the &#39;/usr/bin/python3 -m pip install --upgrade pip&#39; command.</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">import</span> <span class="nn">json</span>

<span class="kn">import</span> <span class="nn">pandas</span> <span class="k">as</span> <span class="nn">pd</span>
<span class="kn">from</span> <span class="nn">pathlib</span> <span class="k">import</span> <span class="n">Path</span>
<span class="n">pd</span><span class="o">.</span><span class="n">set_option</span><span class="p">(</span><span class="s1">&#39;max_colwidth&#39;</span><span class="p">,</span><span class="mi">300</span><span class="p">)</span>
<span class="kn">from</span> <span class="nn">pprint</span> <span class="k">import</span> <span class="n">pprint</span>
<span class="kn">import</span> <span class="nn">re</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">java_files</span> <span class="o">=</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">Path</span><span class="p">(</span><span class="s1">&#39;test_data/java/&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">&#39;**/*.gz&#39;</span><span class="p">))</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">columns_long_list</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;repo&#39;</span><span class="p">,</span> <span class="s1">&#39;path&#39;</span><span class="p">,</span> <span class="s1">&#39;url&#39;</span><span class="p">,</span> <span class="s1">&#39;code&#39;</span><span class="p">,</span> 
                     <span class="s1">&#39;code_tokens&#39;</span><span class="p">,</span> <span class="s1">&#39;docstring&#39;</span><span class="p">,</span> <span class="s1">&#39;docstring_tokens&#39;</span><span class="p">,</span> 
                     <span class="s1">&#39;language&#39;</span><span class="p">,</span> <span class="s1">&#39;partition&#39;</span><span class="p">]</span>

<span class="n">columns_short_list</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;code_tokens&#39;</span><span class="p">,</span> <span class="s1">&#39;docstring_tokens&#39;</span><span class="p">,</span> 
                      <span class="s1">&#39;language&#39;</span><span class="p">,</span> <span class="s1">&#39;partition&#39;</span><span class="p">]</span>

<span class="k">def</span> <span class="nf">jsonl_list_to_dataframe</span><span class="p">(</span><span class="n">file_list</span><span class="p">,</span> <span class="n">columns</span><span class="o">=</span><span class="n">columns_long_list</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;Load a list of jsonl.gz files into a pandas DataFrame.&quot;&quot;&quot;</span>
    <span class="k">return</span> <span class="n">pd</span><span class="o">.</span><span class="n">concat</span><span class="p">([</span><span class="n">pd</span><span class="o">.</span><span class="n">read_json</span><span class="p">(</span><span class="n">f</span><span class="p">,</span> 
                                   <span class="n">orient</span><span class="o">=</span><span class="s1">&#39;records&#39;</span><span class="p">,</span> 
                                   <span class="n">compression</span><span class="o">=</span><span class="s1">&#39;gzip&#39;</span><span class="p">,</span>
                                   <span class="n">lines</span><span class="o">=</span><span class="kc">True</span><span class="p">)[</span><span class="n">columns</span><span class="p">]</span> 
                      <span class="k">for</span> <span class="n">f</span> <span class="ow">in</span> <span class="n">file_list</span><span class="p">],</span> <span class="n">sort</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">java_df</span> <span class="o">=</span> <span class="n">jsonl_list_to_dataframe</span><span class="p">(</span><span class="n">java_files</span><span class="p">)</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">java_test</span> <span class="o">=</span> <span class="n">java_df</span><span class="o">.</span><span class="n">sample</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">java_test</span><span class="o">.</span><span class="n">head</span><span class="p">()</span>
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    }

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        vertical-align: top;
    }

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        text-align: right;
    }
</style>
<table border="1" class="dataframe">
  <thead>
    <tr style="text-align: right;">
      <th></th>
      <th>repo</th>
      <th>path</th>
      <th>url</th>
      <th>code</th>
      <th>code_tokens</th>
      <th>docstring</th>
      <th>docstring_tokens</th>
      <th>language</th>
      <th>partition</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th>2134</th>
      <td>aws/aws-sdk-java</td>
      <td>aws-java-sdk-code-generator/src/main/java/com/amazonaws/codegen/ExamplesCustomizer.java</td>
      <td>https://github.com/aws/aws-sdk-java/blob/aa38502458969b2d13a1c3665a56aba600e4dbd0/aws-java-sdk-code-generator/src/main/java/com/amazonaws/codegen/ExamplesCustomizer.java#L61-L71</td>
      <td>public ServiceExamples applyCustomizationsToExamples(ServiceExamples serviceExamples) {\n        if (customizationConfig == null) return serviceExamples;\n\n        serviceExamples.getOperationExamples().entrySet()\n                .forEach(e -&gt; {\n                    String operationName = e.ge...</td>
      <td>[public, ServiceExamples, applyCustomizationsToExamples, (, ServiceExamples, serviceExamples, ), {, if, (, customizationConfig, ==, null, ), return, serviceExamples, ;, serviceExamples, ., getOperationExamples, (, ), ., entrySet, (, ), ., forEach, (, e, -&gt;, {, String, operationName, =, e, ., get...</td>
      <td>Apply the configured {@link CustomizationConfig} to the given service\nexamples.\n\n@param serviceExamples The service examples.\n\n@return The customized service examples.</td>
      <td>[Apply, the, configured, {, @link, CustomizationConfig, }, to, the, given, service, examples, .]</td>
      <td>java</td>
      <td>train</td>
    </tr>
    <tr>
      <th>26920</th>
      <td>aws/aws-sdk-java</td>
      <td>aws-java-sdk-dms/src/main/java/com/amazonaws/services/databasemigrationservice/model/CreateEventSubscriptionRequest.java</td>
      <td>https://github.com/aws/aws-sdk-java/blob/aa38502458969b2d13a1c3665a56aba600e4dbd0/aws-java-sdk-dms/src/main/java/com/amazonaws/services/databasemigrationservice/model/CreateEventSubscriptionRequest.java#L378-L385</td>
      <td>public void setSourceIds(java.util.Collection&lt;String&gt; sourceIds) {\n        if (sourceIds == null) {\n            this.sourceIds = null;\n            return;\n        }\n\n        this.sourceIds = new java.util.ArrayList&lt;String&gt;(sourceIds);\n    }</td>
      <td>[public, void, setSourceIds, (, java, ., util, ., Collection, &lt;, String, &gt;, sourceIds, ), {, if, (, sourceIds, ==, null, ), {, this, ., sourceIds, =, null, ;, return, ;, }, this, ., sourceIds, =, new, java, ., util, ., ArrayList, &lt;, String, &gt;, (, sourceIds, ), ;, }]</td>
      <td>&lt;p&gt;\nThe list of identifiers of the event sources for which events will be returned. If not specified, then all\nsources are included in the response. An identifier must begin with a letter and must contain only ASCII letters,\ndigits, and hyphens; it cannot end with a hyphen or contain two cons...</td>
      <td>[&lt;p, &gt;, The, list, of, identifiers, of, the, event, sources, for, which, events, will, be, returned, ., If, not, specified, then, all, sources, are, included, in, the, response, ., An, identifier, must, begin, with, a, letter, and, must, contain, only, ASCII, letters, digits, and, hyphens, ;, it...</td>
      <td>java</td>
      <td>train</td>
    </tr>
    <tr>
      <th>3814</th>
      <td>overturetool/overture</td>
      <td>core/interpreter/src/main/java/org/overture/interpreter/runtime/Breakpoint.java</td>
      <td>https://github.com/overturetool/overture/blob/83175dc6c24fa171cde4fcf61ecb648eba3bdbc1/core/interpreter/src/main/java/org/overture/interpreter/runtime/Breakpoint.java#L180-L217</td>
      <td>public void check(ILexLocation execl, Context ctxt)\n\t{\n\t\t// skips if breakpoint is disabled\n\t\t// if(!enabled){\n\t\t// return;\n\t\t// }\n\n\t\tlocation.hit();\n\t\thits++;\n\n\t\tThreadState state = ctxt.threadState;\n\n\t\tif (Settings.dialect != Dialect.VDM_SL)\n\t\t{\n\t\t\tstate.res...</td>
      <td>[public, void, check, (, ILexLocation, execl, ,, Context, ctxt, ), {, // skips if breakpoint is disabled, // if(!enabled){, // return;, // }, location, ., hit, (, ), ;, hits, ++, ;, ThreadState, state, =, ctxt, ., threadState, ;, if, (, Settings, ., dialect, !=, Dialect, ., VDM_SL, ), {, state, ...</td>
      <td>Check whether to stop. The implementation in Breakpoint is used to check for the "step" and "next" commands,\nusing the stepline, nextctxt and outctxt fields. If the current line is different to the last step line, and the\ncurrent context is not "above" the next context or the current context e...</td>
      <td>[Check, whether, to, stop, ., The, implementation, in, Breakpoint, is, used, to, check, for, the, step, and, next, commands, using, the, stepline, nextctxt, and, outctxt, fields, ., If, the, current, line, is, different, to, the, last, step, line, and, the, current, context, is, not, above, the,...</td>
      <td>java</td>
      <td>train</td>
    </tr>
    <tr>
      <th>15992</th>
      <td>hexagonframework/spring-data-ebean</td>
      <td>src/main/java/org/springframework/data/ebean/repository/query/StringQuery.java</td>
      <td>https://github.com/hexagonframework/spring-data-ebean/blob/dd11b97654982403b50dd1d5369cadad71fce410/src/main/java/org/springframework/data/ebean/repository/query/StringQuery.java#L114-L123</td>
      <td>public ParameterBinding getBindingFor(int position) {\r\n\r\n        for (ParameterBinding binding : bindings) {\r\n            if (binding.hasPosition(position)) {\r\n                return binding;\r\n            }\r\n        }\r\n\r\n        throw new IllegalArgumentException(String.format("N...</td>
      <td>[public, ParameterBinding, getBindingFor, (, int, position, ), {, for, (, ParameterBinding, binding, :, bindings, ), {, if, (, binding, ., hasPosition, (, position, ), ), {, return, binding, ;, }, }, throw, new, IllegalArgumentException, (, String, ., format, (, "No parameter binding found for p...</td>
      <td>Returns the {@link ParameterBinding} for the given position.\n\n@param position\n@return</td>
      <td>[Returns, the, {, @link, ParameterBinding, }, for, the, given, position, .]</td>
      <td>java</td>
      <td>train</td>
    </tr>
    <tr>
      <th>29309</th>
      <td>mgormley/pacaya</td>
      <td>src/main/java/edu/jhu/pacaya/parse/cky/CkyPcfgParser.java</td>
      <td>https://github.com/mgormley/pacaya/blob/786294cbac7cc65dbc32210c10acc32ed0c69233/src/main/java/edu/jhu/pacaya/parse/cky/CkyPcfgParser.java#L185-L208</td>
      <td>private static final void processCellLeftChild(final CnfGrammar grammar, final Chart chart, final int start,\n            final int end, final ChartCell cell, final Scorer scorer) {\n        // Apply binary rules.\n        for (int mid = start + 1; mid &lt;= end - 1; mid++) {\n            ChartCell...</td>
      <td>[private, static, final, void, processCellLeftChild, (, final, CnfGrammar, grammar, ,, final, Chart, chart, ,, final, int, start, ,, final, int, end, ,, final, ChartCell, cell, ,, final, Scorer, scorer, ), {, // Apply binary rules., for, (, int, mid, =, start, +, 1, ;, mid, &lt;=, end, -, 1, ;, mid...</td>
      <td>Process a cell (binary rules only) using the left-child to constrain the set of rules we consider.\n\nThis follows the description in (Dunlop et al., 2010).</td>
      <td>[Process, a, cell, (, binary, rules, only, ), using, the, left, -, child, to, constrain, the, set, of, rules, we, consider, .]</td>
      <td>java</td>
      <td>train</td>
    </tr>
  </tbody>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">java_test</span><span class="p">[</span><span class="s1">&#39;code&#39;</span><span class="p">][</span><span class="mi">26920</span><span class="p">]</span>
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<pre>&#39;public void setSourceIds(java.util.Collection&lt;String&gt; sourceIds) {\n        if (sourceIds == null) {\n            this.sourceIds = null;\n            return;\n        }\n\n        this.sourceIds = new java.util.ArrayList&lt;String&gt;(sourceIds);\n    }&#39;</pre>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">import</span> <span class="nn">codemetrics</span> <span class="k">as</span> <span class="nn">cm</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="o">!</span>pip install radon
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<pre>Requirement already satisfied: radon in /usr/local/lib/python3.6/dist-packages (4.1.0)
Requirement already satisfied: flake8-polyfill in /usr/local/lib/python3.6/dist-packages (from radon) (1.0.2)
Requirement already satisfied: colorama==0.4.1 in /usr/local/lib/python3.6/dist-packages (from radon) (0.4.1)
Requirement already satisfied: future in /usr/local/lib/python3.6/dist-packages (from radon) (0.18.2)
Requirement already satisfied: mando&lt;0.7,&gt;=0.6 in /usr/local/lib/python3.6/dist-packages (from radon) (0.6.4)
Requirement already satisfied: flake8 in /usr/local/lib/python3.6/dist-packages (from flake8-polyfill-&gt;radon) (3.8.3)
Requirement already satisfied: six in /usr/lib/python3/dist-packages (from mando&lt;0.7,&gt;=0.6-&gt;radon) (1.11.0)
Requirement already satisfied: mccabe&lt;0.7.0,&gt;=0.6.0 in /usr/local/lib/python3.6/dist-packages (from flake8-&gt;flake8-polyfill-&gt;radon) (0.6.1)
Requirement already satisfied: pycodestyle&lt;2.7.0,&gt;=2.6.0a1 in /usr/local/lib/python3.6/dist-packages (from flake8-&gt;flake8-polyfill-&gt;radon) (2.6.0)
Requirement already satisfied: importlib-metadata; python_version &lt; &#34;3.8&#34; in /usr/local/lib/python3.6/dist-packages (from flake8-&gt;flake8-polyfill-&gt;radon) (1.6.1)
Requirement already satisfied: pyflakes&lt;2.3.0,&gt;=2.2.0 in /usr/local/lib/python3.6/dist-packages (from flake8-&gt;flake8-polyfill-&gt;radon) (2.2.0)
Requirement already satisfied: zipp&gt;=0.5 in /usr/local/lib/python3.6/dist-packages (from importlib-metadata; python_version &lt; &#34;3.8&#34;-&gt;flake8-&gt;flake8-polyfill-&gt;radon) (3.1.0)
<span class="ansi-yellow-fg">WARNING: You are using pip version 20.0.2; however, version 20.1.1 is available.
You should consider upgrading via the &#39;/usr/bin/python3 -m pip install --upgrade pip&#39; command.</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="o">!</span>pip install metrics
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<pre>Collecting metrics
  Downloading metrics-0.3.3.tar.gz (18 kB)
Collecting Pygments==2.2.0
  Downloading Pygments-2.2.0-py2.py3-none-any.whl (841 kB)
     |████████████████████████████████| 841 kB 5.5 MB/s eta 0:00:01
Collecting pathspec==0.5.5
  Downloading pathspec-0.5.5.tar.gz (21 kB)
Collecting pathlib2&gt;=2.3.0
  Downloading pathlib2-2.3.5-py2.py3-none-any.whl (18 kB)
Requirement already satisfied: six in /usr/lib/python3/dist-packages (from pathlib2&gt;=2.3.0-&gt;metrics) (1.11.0)
Building wheels for collected packages: metrics, pathspec
  Building wheel for metrics (setup.py) ... done
  Created wheel for metrics: filename=metrics-0.3.3-py2.py3-none-any.whl size=21630 sha256=7b91941ad67cd8e10cbd124398fe4e61566ec018adeea43ea1d918f8f407a707
  Stored in directory: /root/.cache/pip/wheels/4b/ae/0a/4580500bf20b0bba431c3f5eb11aabf0d8d46ded2c493b45d5
  Building wheel for pathspec (setup.py) ... done
  Created wheel for pathspec: filename=pathspec-0.5.5-py3-none-any.whl size=22215 sha256=b6353b3f760c4415b6f0feb8abf54c52b1739609d8edde1d3c3d978e68bcea3d
  Stored in directory: /root/.cache/pip/wheels/0c/01/e5/cb28cf959e8a5cb9969cd05a90fb3443602dcd000c288e65f0
Successfully built metrics pathspec
Installing collected packages: Pygments, pathspec, pathlib2, metrics
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Successfully installed Pygments-2.2.0 metrics-0.3.3 pathlib2-2.3.5 pathspec-0.5.5
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You should consider upgrading via the &#39;/usr/bin/python3 -m pip install --upgrade pip&#39; command.</span>
Note: you may need to restart the kernel to use updated packages.
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">from</span> <span class="nn">radon.raw</span> <span class="k">import</span> <span class="n">analyze</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">analyze</span><span class="p">(</span><span class="s2">&quot;&quot;&quot;//test function</span><span class="se">\n</span><span class="s2">public void setSourceIds(java.util.Collection&lt;String&gt; sourceIds) {</span><span class="se">\n</span><span class="s2"> if (sourceIds == null) {</span><span class="se">\n</span><span class="s2"> this.sourceIds = null;</span><span class="se">\n</span><span class="s2"> return;</span><span class="se">\n</span><span class="s2"> }</span><span class="se">\n\n</span><span class="s2"> this.sourceIds = new java.util.ArrayList&lt;String&gt;(sourceIds);</span><span class="se">\n</span><span class="s2"> }&quot;&quot;&quot;</span><span class="p">)</span>
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<pre>Module(loc=9, lloc=5, sloc=8, comments=0, multi=0, blank=1, single_comments=0)</pre>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">import</span> <span class="nn">metrics</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="nb">dir</span><span class="p">(</span><span class="n">metrics</span><span class="p">)</span>
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<pre>[&#39;METRICS_FILENAME&#39;,
 &#39;__builtins__&#39;,
 &#39;__cached__&#39;,
 &#39;__doc__&#39;,
 &#39;__file__&#39;,
 &#39;__loader__&#39;,
 &#39;__name__&#39;,
 &#39;__package__&#39;,
 &#39;__path__&#39;,
 &#39;__spec__&#39;,
 &#39;__version__&#39;,
 &#39;unicode_literals&#39;]</pre>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">from</span> <span class="nn">metrics</span> <span class="k">import</span> <span class="n">sloc</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">import</span> <span class="nn">metrics</span>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="n">help</span><span class="p">(</span><span class="n">sloc</span><span class="p">)</span>
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<pre>Help on module metrics.sloc in metrics:

NAME
    metrics.sloc

DESCRIPTION
    Source Lines of Code (SLOC)
    This type of metric counts the lines but excludes empty lines and comments.
    In literature this is also referred as physical lines of code.

CLASSES
    metrics.metricbase.MetricBase(builtins.object)
        SLOCMetric
    
    class SLOCMetric(metrics.metricbase.MetricBase)
     |  Compute the SLOC Metric for the whole source file.
     |  
     |  Method resolution order:
     |      SLOCMetric
     |      metrics.metricbase.MetricBase
     |      builtins.object
     |  
     |  Methods defined here:
     |  
     |  __init__(self, context)
     |      Initialize self.  See help(type(self)) for accurate signature.
     |  
     |  display_header(self)
     |      Display header for SLOC metric
     |  
     |  display_metrics(self, metrics)
     |      Display Source Lines of Code metric (SLOC)
     |  
     |  display_separator(self)
     |      Display separator for SLOC metric
     |  
     |  get_metrics(self)
     |      Calculate ratio_comment_to_code and return with the other values
     |  
     |  process_token(self, tok)
     |      count comments and non-empty lines that contain code
     |  
     |  reset(self)
     |      Reset metric counter.
     |  
     |  ----------------------------------------------------------------------
     |  Data descriptors defined here:
     |  
     |  metrics
     |      Calculate ratio_comment_to_code and return with the other values
     |  
     |  ----------------------------------------------------------------------
     |  Methods inherited from metrics.metricbase.MetricBase:
     |  
     |  process_file(self, language, key, token_list)
     |      Initiate processing for each token.
     |      
     |      Override this if you want tt control the processing of the tokens yourself.
     |  
     |  ----------------------------------------------------------------------
     |  Data descriptors inherited from metrics.metricbase.MetricBase:
     |  
     |  __dict__
     |      dictionary for instance variables (if defined)
     |  
     |  __weakref__
     |      list of weak references to the object (if defined)

DATA
    print_function = _Feature((2, 6, 0, &#39;alpha&#39;, 2), (3, 0, 0, &#39;alpha&#39;, 0)...
    token_types = [&#39;Keyword&#39;, &#39;Name&#39;, &#39;Punctuation&#39;, &#39;Operator&#39;, &#39;Literal&#39;...
    unicode_literals = _Feature((2, 6, 0, &#39;alpha&#39;, 2), (3, 0, 0, &#39;alpha&#39;, ...

FILE
    /usr/local/lib/python3.6/dist-packages/metrics/sloc.py


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