Documentation/Source/eric6.Plugins.CheckerPlugins.CodeStyleChecker.MiscellaneousChecker.html

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<h1>eric6.Plugins.CheckerPlugins.CodeStyleChecker.MiscellaneousChecker</h1>
<p>
Module implementing a checker for miscellaneous checks.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#MiscellaneousChecker">MiscellaneousChecker</a></td>
<td>Class implementing a checker for miscellaneous checks.</td>
</tr><tr>
<td><a href="#TextVisitor">TextVisitor</a></td>
<td>Class implementing a node visitor for bytes and str instances.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="MiscellaneousChecker" ID="MiscellaneousChecker"></a>
<h2>MiscellaneousChecker</h2>
<p>
    Class implementing a checker for miscellaneous checks.
</p>
<h3>Derived from</h3>
object
<h3>Class Attributes</h3>
<table>
<tr><td>BuiltinsWhiteList</td></tr><tr><td>Codes</td></tr><tr><td>FormatFieldRegex</td></tr><tr><td>Formatter</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#MiscellaneousChecker.__init__">MiscellaneousChecker</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkBuiltins">__checkBuiltins</a></td>
<td>Private method to check, if built-ins are shadowed.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkCoding">__checkCoding</a></td>
<td>Private method to check the presence of a coding line and valid encodings.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkComprehensions">__checkComprehensions</a></td>
<td>Private method to check some comprehension related things.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkCopyright">__checkCopyright</a></td>
<td>Private method to check the presence of a copyright statement.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkDictWithSortedKeys">__checkDictWithSortedKeys</a></td>
<td>Private method to check, if dictionary keys appear in sorted order.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkFormatString">__checkFormatString</a></td>
<td>Private method to check string format strings.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkFuture">__checkFuture</a></td>
<td>Private method to check the __future__ imports.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkMutableDefault">__checkMutableDefault</a></td>
<td>Private method to check for use of mutable types as default arguments.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkPep3101">__checkPep3101</a></td>
<td>Private method to check for old style string formatting.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkPrintStatements">__checkPrintStatements</a></td>
<td>Private method to check for print statements.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__checkTuple">__checkTuple</a></td>
<td>Private method to check for one element tuples.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__dictShouldBeChecked">__dictShouldBeChecked</a></td>
<td>Private function to test, if the node should be checked.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__error">__error</a></td>
<td>Private method to record an issue.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__getCoding">__getCoding</a></td>
<td>Private method to get the defined coding of the source.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__getFields">__getFields</a></td>
<td>Private method to extract the format field information.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__ignoreCode">__ignoreCode</a></td>
<td>Private method to check if the message code should be ignored.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.__reportInvalidSyntax">__reportInvalidSyntax</a></td>
<td>Private method to report a syntax error.</td>
</tr><tr>
<td><a href="#MiscellaneousChecker.run">run</a></td>
<td>Public method to check the given source against miscellaneous conditions.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="MiscellaneousChecker.__init__" ID="MiscellaneousChecker.__init__"></a>
<h4>MiscellaneousChecker (Constructor)</h4>
<b>MiscellaneousChecker</b>(<i>source, filename, 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>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 miscellaneous checks
</dd>
</dl><a NAME="MiscellaneousChecker.__checkBuiltins" ID="MiscellaneousChecker.__checkBuiltins"></a>
<h4>MiscellaneousChecker.__checkBuiltins</h4>
<b>__checkBuiltins</b>(<i></i>)
<p>
        Private method to check, if built-ins are shadowed.
</p><a NAME="MiscellaneousChecker.__checkCoding" ID="MiscellaneousChecker.__checkCoding"></a>
<h4>MiscellaneousChecker.__checkCoding</h4>
<b>__checkCoding</b>(<i></i>)
<p>
        Private method to check the presence of a coding line and valid
        encodings.
</p><a NAME="MiscellaneousChecker.__checkComprehensions" ID="MiscellaneousChecker.__checkComprehensions"></a>
<h4>MiscellaneousChecker.__checkComprehensions</h4>
<b>__checkComprehensions</b>(<i></i>)
<p>
        Private method to check some comprehension related things.
</p><a NAME="MiscellaneousChecker.__checkCopyright" ID="MiscellaneousChecker.__checkCopyright"></a>
<h4>MiscellaneousChecker.__checkCopyright</h4>
<b>__checkCopyright</b>(<i></i>)
<p>
        Private method to check the presence of a copyright statement.
</p><a NAME="MiscellaneousChecker.__checkDictWithSortedKeys" ID="MiscellaneousChecker.__checkDictWithSortedKeys"></a>
<h4>MiscellaneousChecker.__checkDictWithSortedKeys</h4>
<b>__checkDictWithSortedKeys</b>(<i></i>)
<p>
        Private method to check, if dictionary keys appear in sorted order.
</p><a NAME="MiscellaneousChecker.__checkFormatString" ID="MiscellaneousChecker.__checkFormatString"></a>
<h4>MiscellaneousChecker.__checkFormatString</h4>
<b>__checkFormatString</b>(<i></i>)
<p>
        Private method to check string format strings.
</p><a NAME="MiscellaneousChecker.__checkFuture" ID="MiscellaneousChecker.__checkFuture"></a>
<h4>MiscellaneousChecker.__checkFuture</h4>
<b>__checkFuture</b>(<i></i>)
<p>
        Private method to check the __future__ imports.
</p><a NAME="MiscellaneousChecker.__checkMutableDefault" ID="MiscellaneousChecker.__checkMutableDefault"></a>
<h4>MiscellaneousChecker.__checkMutableDefault</h4>
<b>__checkMutableDefault</b>(<i></i>)
<p>
        Private method to check for use of mutable types as default arguments.
</p><a NAME="MiscellaneousChecker.__checkPep3101" ID="MiscellaneousChecker.__checkPep3101"></a>
<h4>MiscellaneousChecker.__checkPep3101</h4>
<b>__checkPep3101</b>(<i></i>)
<p>
        Private method to check for old style string formatting.
</p><a NAME="MiscellaneousChecker.__checkPrintStatements" ID="MiscellaneousChecker.__checkPrintStatements"></a>
<h4>MiscellaneousChecker.__checkPrintStatements</h4>
<b>__checkPrintStatements</b>(<i></i>)
<p>
        Private method to check for print statements.
</p><a NAME="MiscellaneousChecker.__checkTuple" ID="MiscellaneousChecker.__checkTuple"></a>
<h4>MiscellaneousChecker.__checkTuple</h4>
<b>__checkTuple</b>(<i></i>)
<p>
        Private method to check for one element tuples.
</p><a NAME="MiscellaneousChecker.__dictShouldBeChecked" ID="MiscellaneousChecker.__dictShouldBeChecked"></a>
<h4>MiscellaneousChecker.__dictShouldBeChecked</h4>
<b>__dictShouldBeChecked</b>(<i>node</i>)
<p>
        Private function to test, if the node should be checked.
</p><dl>
<dt><i>node</i></dt>
<dd>
reference to the AST node
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating to check the node
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="MiscellaneousChecker.__error" ID="MiscellaneousChecker.__error"></a>
<h4>MiscellaneousChecker.__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="MiscellaneousChecker.__getCoding" ID="MiscellaneousChecker.__getCoding"></a>
<h4>MiscellaneousChecker.__getCoding</h4>
<b>__getCoding</b>(<i></i>)
<p>
        Private method to get the defined coding of the source.
</p><dl>
<dt>Returns:</dt>
<dd>
tuple containing the line number and the coding
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
tuple of int and str
</dd>
</dl><a NAME="MiscellaneousChecker.__getFields" ID="MiscellaneousChecker.__getFields"></a>
<h4>MiscellaneousChecker.__getFields</h4>
<b>__getFields</b>(<i>string</i>)
<p>
        Private method to extract the format field information.
</p><dl>
<dt><i>string</i> (str)</dt>
<dd>
format string to be parsed
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
format field information as a tuple with fields, implicit
            field definitions present and explicit field definitions present
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
tuple of set of str, bool, bool
</dd>
</dl><a NAME="MiscellaneousChecker.__ignoreCode" ID="MiscellaneousChecker.__ignoreCode"></a>
<h4>MiscellaneousChecker.__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>Returns:</dt>
<dd>
flag indicating to ignore the given code
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="MiscellaneousChecker.__reportInvalidSyntax" ID="MiscellaneousChecker.__reportInvalidSyntax"></a>
<h4>MiscellaneousChecker.__reportInvalidSyntax</h4>
<b>__reportInvalidSyntax</b>(<i></i>)
<p>
        Private method to report a syntax error.
</p><a NAME="MiscellaneousChecker.run" ID="MiscellaneousChecker.run"></a>
<h4>MiscellaneousChecker.run</h4>
<b>run</b>(<i></i>)
<p>
        Public method to check the given source against miscellaneous
        conditions.
</p>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="TextVisitor" ID="TextVisitor"></a>
<h2>TextVisitor</h2>
<p>
    Class implementing a node visitor for bytes and str instances.
</p><p>
    It tries to detect docstrings as string of the first expression of each
    module, class or function.
</p>
<h3>Derived from</h3>
ast.NodeVisitor
<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="#TextVisitor.__init__">TextVisitor</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#TextVisitor.__addNode">__addNode</a></td>
<td>Private method to add a node to our list of nodes.</td>
</tr><tr>
<td><a href="#TextVisitor.__isBaseString">__isBaseString</a></td>
<td>Private method to determine, if a node is a base string node.</td>
</tr><tr>
<td><a href="#TextVisitor.__visitBody">__visitBody</a></td>
<td>Private method to traverse the body of the node manually.</td>
</tr><tr>
<td><a href="#TextVisitor.__visitDefinition">__visitDefinition</a></td>
<td>Private method handling class and function definitions.</td>
</tr><tr>
<td><a href="#TextVisitor.visit_Bytes">visit_Bytes</a></td>
<td>Public method to record a bytes node.</td>
</tr><tr>
<td><a href="#TextVisitor.visit_Call">visit_Call</a></td>
<td>Public method to handle a function call.</td>
</tr><tr>
<td><a href="#TextVisitor.visit_ClassDef">visit_ClassDef</a></td>
<td>Public method to handle a class definition.</td>
</tr><tr>
<td><a href="#TextVisitor.visit_FunctionDef">visit_FunctionDef</a></td>
<td>Public method to handle a function definition.</td>
</tr><tr>
<td><a href="#TextVisitor.visit_Module">visit_Module</a></td>
<td>Public method to handle a module.</td>
</tr><tr>
<td><a href="#TextVisitor.visit_Str">visit_Str</a></td>
<td>Public method to record a string node.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="TextVisitor.__init__" ID="TextVisitor.__init__"></a>
<h4>TextVisitor (Constructor)</h4>
<b>TextVisitor</b>(<i></i>)
<p>
        Constructor
</p><a NAME="TextVisitor.__addNode" ID="TextVisitor.__addNode"></a>
<h4>TextVisitor.__addNode</h4>
<b>__addNode</b>(<i>node</i>)
<p>
        Private method to add a node to our list of nodes.
</p><dl>
<dt><i>node</i> (ast.AST)</dt>
<dd>
reference to the node to add
</dd>
</dl><a NAME="TextVisitor.__isBaseString" ID="TextVisitor.__isBaseString"></a>
<h4>TextVisitor.__isBaseString</h4>
<b>__isBaseString</b>(<i>node</i>)
<p>
        Private method to determine, if a node is a base string node.
</p><dl>
<dt><i>node</i> (ast.AST)</dt>
<dd>
reference to the node to check
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating a base string
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="TextVisitor.__visitBody" ID="TextVisitor.__visitBody"></a>
<h4>TextVisitor.__visitBody</h4>
<b>__visitBody</b>(<i>node</i>)
<p>
        Private method to traverse the body of the node manually.
</p><p>
        If the first node is an expression which contains a string or bytes it
        marks that as a docstring.
</p><dl>
<dt><i>node</i> (ast.AST)</dt>
<dd>
reference to the node to traverse
</dd>
</dl><a NAME="TextVisitor.__visitDefinition" ID="TextVisitor.__visitDefinition"></a>
<h4>TextVisitor.__visitDefinition</h4>
<b>__visitDefinition</b>(<i>node</i>)
<p>
        Private method handling class and function definitions.
</p><dl>
<dt><i>node</i> (ast.FunctionDef or ast.ClassDef)</dt>
<dd>
reference to the node to handle
</dd>
</dl><a NAME="TextVisitor.visit_Bytes" ID="TextVisitor.visit_Bytes"></a>
<h4>TextVisitor.visit_Bytes</h4>
<b>visit_Bytes</b>(<i>node</i>)
<p>
        Public method to record a bytes node.
</p><dl>
<dt><i>node</i> (ast.Bytes)</dt>
<dd>
reference to the bytes node
</dd>
</dl><a NAME="TextVisitor.visit_Call" ID="TextVisitor.visit_Call"></a>
<h4>TextVisitor.visit_Call</h4>
<b>visit_Call</b>(<i>node</i>)
<p>
        Public method to handle a function call.
</p><dl>
<dt><i>node</i> (ast.Call)</dt>
<dd>
reference to the node to handle
</dd>
</dl><a NAME="TextVisitor.visit_ClassDef" ID="TextVisitor.visit_ClassDef"></a>
<h4>TextVisitor.visit_ClassDef</h4>
<b>visit_ClassDef</b>(<i>node</i>)
<p>
        Public method to handle a class definition.
</p><dl>
<dt><i>node</i> (ast.ClassDef)</dt>
<dd>
reference to the node to handle
</dd>
</dl><a NAME="TextVisitor.visit_FunctionDef" ID="TextVisitor.visit_FunctionDef"></a>
<h4>TextVisitor.visit_FunctionDef</h4>
<b>visit_FunctionDef</b>(<i>node</i>)
<p>
        Public method to handle a function definition.
</p><dl>
<dt><i>node</i> (ast.FunctionDef)</dt>
<dd>
reference to the node to handle
</dd>
</dl><a NAME="TextVisitor.visit_Module" ID="TextVisitor.visit_Module"></a>
<h4>TextVisitor.visit_Module</h4>
<b>visit_Module</b>(<i>node</i>)
<p>
        Public method to handle a module.
</p><dl>
<dt><i>node</i> (ast.Module)</dt>
<dd>
reference to the node to handle
</dd>
</dl><a NAME="TextVisitor.visit_Str" ID="TextVisitor.visit_Str"></a>
<h4>TextVisitor.visit_Str</h4>
<b>visit_Str</b>(<i>node</i>)
<p>
        Public method to record a string node.
</p><dl>
<dt><i>node</i> (ast.Str)</dt>
<dd>
reference to the string node
</dd>
</dl>
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