src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.CodeStyleChecker.Annotations.AnnotationsChecker.html

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<h1>eric7.Plugins.CheckerPlugins.CodeStyleChecker.Annotations.AnnotationsChecker</h1>

<p>
Module implementing a checker for function type annotations.
</p>
<h3>Global Attributes</h3>

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

<table>

<tr>
<td><a href="#AnnotationsChecker">AnnotationsChecker</a></td>
<td>Class implementing a checker for function type annotations.</td>
</tr>
</table>
<h3>Functions</h3>

<table>
<tr><td>None</td></tr>
</table>
<hr />
<hr />
<a NAME="AnnotationsChecker" ID="AnnotationsChecker"></a>
<h2>AnnotationsChecker</h2>

<p>
    Class implementing a checker for function type annotations.
</p>
<h3>Derived from</h3>
None
<h3>Class Attributes</h3>

<table>
<tr><td>Codes</td></tr>
</table>
<h3>Class Methods</h3>

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

<table>

<tr>
<td><a href="#AnnotationsChecker.__init__">AnnotationsChecker</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__argumentErrorClassifier">__argumentErrorClassifier</a></td>
<td>Private method to classify an argument type annotation issue.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__checkAnnotationComplexity">__checkAnnotationComplexity</a></td>
<td>Private method to check the type annotation complexity.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__checkAnnotationPep604">__checkAnnotationPep604</a></td>
<td>Private method to check the use of typing.Union.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__checkAnnotationsCoverage">__checkAnnotationsCoverage</a></td>
<td>Private method to check for function annotation coverage.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__checkAnnotationsFuture">__checkAnnotationsFuture</a></td>
<td>Private method to check the use of __future__ and typing imports.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__checkFunctionAnnotations">__checkFunctionAnnotations</a></td>
<td>Private method to check for function annotation issues.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__classifyError">__classifyError</a></td>
<td>Private method to classify the missing type annotation based on the Function & Argument metadata.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__error">__error</a></td>
<td>Private method to record an issue.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__getAnnotationComplexity">__getAnnotationComplexity</a></td>
<td>Private method to determine the annotation complexity.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__getAnnotationLength">__getAnnotationLength</a></td>
<td>Private method to determine the annotation length.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__hasTypeAnnotations">__hasTypeAnnotations</a></td>
<td>Private method to check for type annotations.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__ignoreCode">__ignoreCode</a></td>
<td>Private method to check if the message code should be ignored.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.__returnErrorClassifier">__returnErrorClassifier</a></td>
<td>Private method to classify a return type annotation issue.</td>
</tr>
<tr>
<td><a href="#AnnotationsChecker.run">run</a></td>
<td>Public method to check the given source against annotation issues.</td>
</tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<a NAME="AnnotationsChecker.__init__" ID="AnnotationsChecker.__init__"></a>
<h4>AnnotationsChecker (Constructor)</h4>
<b>AnnotationsChecker</b>(<i>source, filename, tree, select, ignore, expected, repeat, args</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>source</i> (list of str)</dt>
<dd>
source code to be checked
</dd>
<dt><i>filename</i> (str)</dt>
<dd>
name of the source file
</dd>
<dt><i>tree</i> (ast.Module)</dt>
<dd>
AST tree of the source code
</dd>
<dt><i>select</i> (list of str)</dt>
<dd>
list of selected codes
</dd>
<dt><i>ignore</i> (list of str)</dt>
<dd>
list of codes to be ignored
</dd>
<dt><i>expected</i> (list of str)</dt>
<dd>
list of expected codes
</dd>
<dt><i>repeat</i> (bool)</dt>
<dd>
flag indicating to report each occurrence of a code
</dd>
<dt><i>args</i> (dict)</dt>
<dd>
dictionary of arguments for the annotation checks
</dd>
</dl>
<a NAME="AnnotationsChecker.__argumentErrorClassifier" ID="AnnotationsChecker.__argumentErrorClassifier"></a>
<h4>AnnotationsChecker.__argumentErrorClassifier</h4>
<b>__argumentErrorClassifier</b>(<i>isClassMethod, isFirstArg, classDecoratorType, annotationType</i>)

<p>
        Private method to classify an argument type annotation issue.
</p>
<dl>

<dt><i>isClassMethod</i> (bool)</dt>
<dd>
flag indicating a classmethod type function
</dd>
<dt><i>isFirstArg</i> (bool)</dt>
<dd>
flag indicating the first argument
</dd>
<dt><i>classDecoratorType</i> (enums.ClassDecoratorType)</dt>
<dd>
type of class decorator
</dd>
<dt><i>annotationType</i> (AnnotationType)</dt>
<dd>
type of annotation
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
error code
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="AnnotationsChecker.__checkAnnotationComplexity" ID="AnnotationsChecker.__checkAnnotationComplexity"></a>
<h4>AnnotationsChecker.__checkAnnotationComplexity</h4>
<b>__checkAnnotationComplexity</b>(<i></i>)

<p>
        Private method to check the type annotation complexity.
</p>
<a NAME="AnnotationsChecker.__checkAnnotationPep604" ID="AnnotationsChecker.__checkAnnotationPep604"></a>
<h4>AnnotationsChecker.__checkAnnotationPep604</h4>
<b>__checkAnnotationPep604</b>(<i></i>)

<p>
        Private method to check the use of typing.Union.
</p>
<a NAME="AnnotationsChecker.__checkAnnotationsCoverage" ID="AnnotationsChecker.__checkAnnotationsCoverage"></a>
<h4>AnnotationsChecker.__checkAnnotationsCoverage</h4>
<b>__checkAnnotationsCoverage</b>(<i></i>)

<p>
        Private method to check for function annotation coverage.
</p>
<a NAME="AnnotationsChecker.__checkAnnotationsFuture" ID="AnnotationsChecker.__checkAnnotationsFuture"></a>
<h4>AnnotationsChecker.__checkAnnotationsFuture</h4>
<b>__checkAnnotationsFuture</b>(<i></i>)

<p>
        Private method to check the use of __future__ and typing imports.
</p>
<a NAME="AnnotationsChecker.__checkFunctionAnnotations" ID="AnnotationsChecker.__checkFunctionAnnotations"></a>
<h4>AnnotationsChecker.__checkFunctionAnnotations</h4>
<b>__checkFunctionAnnotations</b>(<i></i>)

<p>
        Private method to check for function annotation issues.
</p>
<a NAME="AnnotationsChecker.__classifyError" ID="AnnotationsChecker.__classifyError"></a>
<h4>AnnotationsChecker.__classifyError</h4>
<b>__classifyError</b>(<i>function, arg</i>)

<p>
        Private method to classify the missing type annotation based on the
        Function & Argument metadata.
</p>
<p>
        For the currently defined rules & program flow, the assumption can be
        made that an argument passed to this method will match a linting error,
        and will only match a single linting error
</p>
<p>
        This function provides an initial classificaton, then passes relevant
        attributes to cached helper function(s).
</p>
<dl>

<dt><i>function</i> (Function)</dt>
<dd>
reference to the Function object
</dd>
<dt><i>arg</i> (Argument)</dt>
<dd>
reference to the Argument object
</dd>
</dl>
<a NAME="AnnotationsChecker.__error" ID="AnnotationsChecker.__error"></a>
<h4>AnnotationsChecker.__error</h4>
<b>__error</b>(<i>lineNumber, offset, code, *args</i>)

<p>
        Private method to record an issue.
</p>
<dl>

<dt><i>lineNumber</i> (int)</dt>
<dd>
line number of the issue
</dd>
<dt><i>offset</i> (int)</dt>
<dd>
position within line of the issue
</dd>
<dt><i>code</i> (str)</dt>
<dd>
message code
</dd>
<dt><i>args</i> (list)</dt>
<dd>
arguments for the message
</dd>
</dl>
<a NAME="AnnotationsChecker.__getAnnotationComplexity" ID="AnnotationsChecker.__getAnnotationComplexity"></a>
<h4>AnnotationsChecker.__getAnnotationComplexity</h4>
<b>__getAnnotationComplexity</b>(<i>annotationNode, defaultComplexity=1</i>)

<p>
        Private method to determine the annotation complexity.
</p>
<dl>

<dt><i>annotationNode</i> (ast.AST)</dt>
<dd>
reference to the node to determine the annotation
            complexity for
</dd>
<dt><i>defaultComplexity</i> (int)</dt>
<dd>
default complexity value
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
annotation complexity
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
= int
</dd>
</dl>
<a NAME="AnnotationsChecker.__getAnnotationLength" ID="AnnotationsChecker.__getAnnotationLength"></a>
<h4>AnnotationsChecker.__getAnnotationLength</h4>
<b>__getAnnotationLength</b>(<i>annotationNode</i>)

<p>
        Private method to determine the annotation length.
</p>
<dl>

<dt><i>annotationNode</i> (ast.AST)</dt>
<dd>
reference to the node to determine the annotation
            length for
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
annotation length
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
= int
</dd>
</dl>
<a NAME="AnnotationsChecker.__hasTypeAnnotations" ID="AnnotationsChecker.__hasTypeAnnotations"></a>
<h4>AnnotationsChecker.__hasTypeAnnotations</h4>
<b>__hasTypeAnnotations</b>(<i>funcNode</i>)

<p>
        Private method to check for type annotations.
</p>
<dl>

<dt><i>funcNode</i> (ast.AsyncFunctionDef or ast.FunctionDef)</dt>
<dd>
reference to the function definition node to be checked
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating the presence of type annotations
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="AnnotationsChecker.__ignoreCode" ID="AnnotationsChecker.__ignoreCode"></a>
<h4>AnnotationsChecker.__ignoreCode</h4>
<b>__ignoreCode</b>(<i>code</i>)

<p>
        Private method to check if the message code should be ignored.
</p>
<dl>

<dt><i>code</i> (str)</dt>
<dd>
message code to check for
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating to ignore the given code
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="AnnotationsChecker.__returnErrorClassifier" ID="AnnotationsChecker.__returnErrorClassifier"></a>
<h4>AnnotationsChecker.__returnErrorClassifier</h4>
<b>__returnErrorClassifier</b>(<i>isClassMethod, classDecoratorType, functionType</i>)

<p>
        Private method to classify a return type annotation issue.
</p>
<dl>

<dt><i>isClassMethod</i> (bool)</dt>
<dd>
flag indicating a classmethod type function
</dd>
<dt><i>classDecoratorType</i> (ClassDecoratorType)</dt>
<dd>
type of class decorator
</dd>
<dt><i>functionType</i> (FunctionType)</dt>
<dd>
type of function
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
error code
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="AnnotationsChecker.run" ID="AnnotationsChecker.run"></a>
<h4>AnnotationsChecker.run</h4>
<b>run</b>(<i></i>)

<p>
        Public method to check the given source against annotation issues.
</p>
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