src/eric7/Documentation/Source/eric7.DataViews.CodeMetrics.html

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<h1>eric7.DataViews.CodeMetrics</h1>
<p>
Module implementing a simple Python code metrics analyzer.
</p>

<dl>

<dt>Raises <b>ValueError</b>:</dt>
<dd>
the tokenize module is too old
</dd>
</dl>
<h3>Global Attributes</h3>
<table>
<tr><td>COMMENT</td></tr>
<tr><td>DEDENT</td></tr>
<tr><td>EMPTY</td></tr>
<tr><td>INDENT</td></tr>
<tr><td>KEYWORD</td></tr>
<tr><td>NEWLINE</td></tr>
</table>

<h3>Classes</h3>
<table>
<tr>
<td><a href="#Parser">Parser</a></td>
<td>Class used to parse the source code of a Python file.</td>
</tr>
<tr>
<td><a href="#SourceStat">SourceStat</a></td>
<td>Class used to calculate and store the source code statistics.</td>
</tr>
<tr>
<td><a href="#Token">Token</a></td>
<td>Class to store the token related info.</td>
</tr>
</table>

<h3>Functions</h3>
<table>
<tr>
<td><a href="#analyze">analyze</a></td>
<td>Module function used analyze the source of a Python file.</td>
</tr>
<tr>
<td><a href="#summarize">summarize</a></td>
<td>Module function used to collect overall statistics.</td>
</tr>
</table>

<hr />
<hr />
<a NAME="Parser" ID="Parser"></a>
<h2>Parser</h2>
<p>
    Class used to parse the source code of a Python file.
</p>

<h3>Derived from</h3>
None
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>

<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>

<h3>Methods</h3>
<table>
<tr>
<td><a href="#Parser.__addToken">__addToken</a></td>
<td>Private method used to add a token to our list of tokens.</td>
</tr>
<tr>
<td><a href="#Parser.parse">parse</a></td>
<td>Public method used to parse the source code.</td>
</tr>
</table>

<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>


<a NAME="Parser.__addToken" ID="Parser.__addToken"></a>
<h4>Parser.__addToken</h4>
<b>__addToken</b>(<i>toktype, toktext, srow, scol, line</i>)
<p>
        Private method used to add a token to our list of tokens.
</p>

<dl>

<dt><i>toktype</i> (int)</dt>
<dd>
the type of the token
</dd>
<dt><i>toktext</i> (str)</dt>
<dd>
the text of the token
</dd>
<dt><i>srow</i> (int)</dt>
<dd>
starting row of the token
</dd>
<dt><i>scol</i> (int)</dt>
<dd>
starting column of the token
</dd>
<dt><i>line</i> (str)</dt>
<dd>
logical line the token was found
</dd>
</dl>
<a NAME="Parser.parse" ID="Parser.parse"></a>
<h4>Parser.parse</h4>
<b>parse</b>(<i>text</i>)
<p>
        Public method used to parse the source code.
</p>

<dl>

<dt><i>text</i> (str)</dt>
<dd>
source code as read from a Python source file
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr />
<hr />
<a NAME="SourceStat" ID="SourceStat"></a>
<h2>SourceStat</h2>
<p>
    Class used to calculate and store the source code statistics.
</p>

<h3>Derived from</h3>
None
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>

<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>

<h3>Methods</h3>
<table>
<tr>
<td><a href="#SourceStat.__init__">SourceStat</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#SourceStat.dedent">dedent</a></td>
<td>Public method used to decrement the indentation level.</td>
</tr>
<tr>
<td><a href="#SourceStat.getCounter">getCounter</a></td>
<td>Public method used to get a specific counter value.</td>
</tr>
<tr>
<td><a href="#SourceStat.inc">inc</a></td>
<td>Public method used to increment the value of a key.</td>
</tr>
<tr>
<td><a href="#SourceStat.indent">indent</a></td>
<td>Public method used to increment the indentation level.</td>
</tr>
<tr>
<td><a href="#SourceStat.push">push</a></td>
<td>Public method used to store an identifier.</td>
</tr>
</table>

<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>


<a NAME="SourceStat.__init__" ID="SourceStat.__init__"></a>
<h4>SourceStat (Constructor)</h4>
<b>SourceStat</b>(<i></i>)
<p>
        Constructor
</p>

<a NAME="SourceStat.dedent" ID="SourceStat.dedent"></a>
<h4>SourceStat.dedent</h4>
<b>dedent</b>(<i>tok</i>)
<p>
        Public method used to decrement the indentation level.
</p>

<dl>

<dt><i>tok</i> (Token)</dt>
<dd>
the token to be processed
</dd>
</dl>
<dl>

<dt>Raises <b>ValueError</b>:</dt>
<dd>
raised to indicate an invalid indentation level
</dd>
</dl>
<a NAME="SourceStat.getCounter" ID="SourceStat.getCounter"></a>
<h4>SourceStat.getCounter</h4>
<b>getCounter</b>(<i>counterId, key</i>)
<p>
        Public method used to get a specific counter value.
</p>

<dl>

<dt><i>counterId</i> (str)</dt>
<dd>
id of the counter
</dd>
<dt><i>key</i> (str)</dt>
<dd>
key of the value to be retrieved
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
the value of the requested counter
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<a NAME="SourceStat.inc" ID="SourceStat.inc"></a>
<h4>SourceStat.inc</h4>
<b>inc</b>(<i>key, value=1</i>)
<p>
        Public method used to increment the value of a key.
</p>

<dl>

<dt><i>key</i> (str)</dt>
<dd>
key to be incremented
</dd>
<dt><i>value</i> (int)</dt>
<dd>
the increment
</dd>
</dl>
<a NAME="SourceStat.indent" ID="SourceStat.indent"></a>
<h4>SourceStat.indent</h4>
<b>indent</b>(<i></i>)
<p>
        Public method used to increment the indentation level.
</p>

<a NAME="SourceStat.push" ID="SourceStat.push"></a>
<h4>SourceStat.push</h4>
<b>push</b>(<i>identifier, row</i>)
<p>
        Public method used to store an identifier.
</p>

<dl>

<dt><i>identifier</i> (str)</dt>
<dd>
the identifier to be remembered
</dd>
<dt><i>row</i> (int)</dt>
<dd>
row, the identifier is defined in
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr />
<hr />
<a NAME="Token" ID="Token"></a>
<h2>Token</h2>
<p>
    Class to store the token related info.
</p>

<h3>Derived from</h3>
None
<h3>Class Attributes</h3>
<table>
<tr><td>col</td></tr>
<tr><td>line</td></tr>
<tr><td>row</td></tr>
<tr><td>text</td></tr>
<tr><td>type</td></tr>
</table>

<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>

<h3>Methods</h3>
<table>
<tr><td>None</td></tr>
</table>

<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>


<div align="right"><a href="#top">Up</a></div>
<hr />
<hr />
<a NAME="analyze" ID="analyze"></a>
<h2>analyze</h2>
<b>analyze</b>(<i>filename, total</i>)
<p>
    Module function used analyze the source of a Python file.
</p>

<dl>

<dt><i>filename</i> (str)</dt>
<dd>
name of the Python file to be analyzed
</dd>
<dt><i>total</i> (dict)</dt>
<dd>
dictionary receiving the overall code statistics
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
a statistics object with the collected code statistics
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
SourceStat
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr />
<hr />
<a NAME="summarize" ID="summarize"></a>
<h2>summarize</h2>
<b>summarize</b>(<i>total, key, value</i>)
<p>
    Module function used to collect overall statistics.
</p>

<dl>

<dt><i>total</i> (dict)</dt>
<dd>
dictionary of overall statistics
</dd>
<dt><i>key</i> (str)</dt>
<dd>
key to be summarized
</dd>
<dt><i>value</i> (int)</dt>
<dd>
value to be added to the overall statistics
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
the value added to the overall statistics
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
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