<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <title>KIO.MetaInfoJob</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <link rel="stylesheet" type="text/css" href="../common/doxygen.css" /> <link rel="stylesheet" media="screen" type="text/css" title="KDE Colors" href="../common/kde.css" /> </head> <body> <div id="container"> <div id="header"> <div id="header_top"> <div> <div> <img alt ="" src="../common/top-kde.jpg"/> KDE 4.9 PyKDE API Reference </div> </div> </div> <div id="header_bottom"> <div id="location"> <ul> <li>KDE's Python API</li> </ul> </div> <div id="menu"> <ul> <li><a href="../modules.html">Overview</a></li> <li><a href="http://techbase.kde.org/Development/Languages/Python">PyKDE Home</a></li> <li><a href="http://kde.org/family/">Sitemap</a></li> <li><a href="http://kde.org/contact/">Contact Us</a></li> </ul> </div> </div> </div> <div id="body_wrapper"> <div id="body"> <div id="right"> <div class="content"> <div id="main"> <div class="clearer"> </div> <h1>MetaInfoJob Class Reference</h1> <code>from PyKDE4.kio import *</code> <p> Inherits: <a href="../kio/KIO.Job.html">KIO.Job</a> → <a href="../kdecore/KCompositeJob.html">KCompositeJob</a> → <a href="../kdecore/KJob.html">KJob</a> → QObject<br /> Namespace: <a href="../kio/KIO.html">KIO</a><br /> <h2>Detailed Description</h2> <p>MetaInfoJob is a KIO Job to retrieve meta information from files. </p> <p> KIO Job to retrieve meta information from files. </p> <table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Signals</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#failed">failed</a> (<a href="../kio/KFileItem.html">KFileItem</a> item)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gotMetaInfo">gotMetaInfo</a> (<a href="../kio/KFileItem.html">KFileItem</a> item)</td></tr> <tr><td colspan="2"><br><h2>Methods</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#MetaInfoJob">__init__</a> (self, <a href="../kio/KFileItemList.html">KFileItemList</a> items, <a href="../kio/KFileMetaInfo.html">KFileMetaInfo.WhatFlags</a> w=KFileMetaInfo.Everything, int iocost=3, int cpucost=6, QStringList requiredfields=QStringList(), QStringList requestedfields=QStringList())</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#MetaInfoJob">__init__</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#getMetaInfo">getMetaInfo</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#removeItem">removeItem</a> (self, <a href="../kio/KFileItem.html">KFileItem</a> item)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#slotResult">slotResult</a> (self, <a href="../kdecore/KJob.html">KJob</a> job)</td></tr> </table> <hr><h2>Signal Documentation</h2><a class="anchor" name="failed"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"> failed</td> <td>(</td> <td class="paramtype"><a href="../kio/KFileItem.html">KFileItem</a> </td> <td class="paramname"><em>item</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Emitted when metainfo for <b>item</b> could not be extracted, either because a plugin for its MIME type does not exist, or because something went wrong. </p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td></td><td valign="top"><em>item</em> </td><td> the KFileItem of the file that failed </td></tr> </table></dl> <p> </p><dl compact><dt><b>Signal syntax:</b></dt><dd><code>QObject.connect(source, SIGNAL("failed(const KFileItem&)"), target_slot)</code></dd></dl></div></div><a class="anchor" name="gotMetaInfo"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"> gotMetaInfo</td> <td>(</td> <td class="paramtype"><a href="../kio/KFileItem.html">KFileItem</a> </td> <td class="paramname"><em>item</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Emitted when the meta info for <b>item</b> has been successfully retrieved. </p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td></td><td valign="top"><em>item</em> </td><td> the KFileItem describing the fetched item </td></tr> </table></dl> <p> </p><dl compact><dt><b>Signal syntax:</b></dt><dd><code>QObject.connect(source, SIGNAL("gotMetaInfo(const KFileItem&)"), target_slot)</code></dd></dl></div></div><hr><h2>Method Documentation</h2><a class="anchor" name="MetaInfoJob"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">__init__</td> <td>(</td> <td class="paramtype"> <em>self</em>, </td> <td class="paramname"></td> </tr><tr> <td class="memname"></td> <td></td> <td class="paramtype"><a href="../kio/KFileItemList.html">KFileItemList</a> </td> <td class="paramname"><em>items</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype"><a href="../kio/KFileMetaInfo.html">KFileMetaInfo.WhatFlags</a> </td> <td class="paramname"><em>w=KFileMetaInfo.Everything</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>iocost=3</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>cpucost=6</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QStringList </td> <td class="paramname"><em>requiredfields=QStringList()</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QStringList </td> <td class="paramname"><em>requestedfields=QStringList()</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Creates a new MetaInfoJob. </p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td></td><td valign="top"><em>items</em> </td><td> A list of KFileItems to get the metainfo for <tr><td></td><td valign="top"><em>w</em> </td><td> Flags which serve as a preset which can be customized with other parameters. <tr><td></td><td valign="top"><em>iocost</em> </td><td> The allowed cost in terms of io to retrieve the metainfo. The approximate maximum number of bytes to be read is 10^iocost. Negative values mean that there is no limit on the cost. 0 means that no fields other than the required fields will be retrieved. The default value of 3 means about 1024 bytes per file may be read. This is merely a suggestion and not a hard limit. <tr><td></td><td valign="top"><em>cpucost</em> </td><td> The allowed cost in terms of cpu to determine the information in the fields. The number mean the amount of instructions allowed is 10^cpucost and is a suggestion only. The default value of 6 means that about a million instructions (10^6) are allowed. This is useful for expensive fields like md5 or thumbnails. <tr><td></td><td valign="top"><em>requiredfields</em> </td><td> The names of fields or groups of fields that should be retrieved regardless of cost. <tr><td></td><td valign="top"><em>requestedfields</em> </td><td> The names of fields or groups of fields that should be retrieved first. </td></tr> </table></dl> <p> </p></div></div><a class="anchor" name="MetaInfoJob"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">__init__</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname"><em>self</em> )</td> <td width="100%"> </td> </tr> </table> </div> <div class="memdoc"></div></div><a class="anchor" name="getMetaInfo"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"> getMetaInfo</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname"><em>self</em> )</td> <td width="100%"> </td> </tr> </table> </div> <div class="memdoc"></div></div><a class="anchor" name="removeItem"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"> removeItem</td> <td>(</td> <td class="paramtype"> <em>self</em>, </td> <td class="paramname"></td> </tr><tr> <td class="memname"></td> <td></td> <td class="paramtype"><a href="../kio/KFileItem.html">KFileItem</a> </td> <td class="paramname"><em>item</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Removes an item from metainfo extraction. </p> <p> </p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td></td><td valign="top"><em>item</em> </td><td> the item that should be removed from the queue </td></tr> </table></dl> <p> </p></div></div><a class="anchor" name="slotResult"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"> slotResult</td> <td>(</td> <td class="paramtype"> <em>self</em>, </td> <td class="paramname"></td> </tr><tr> <td class="memname"></td> <td></td> <td class="paramtype"><a href="../kdecore/KJob.html">KJob</a> </td> <td class="paramname"><em>job</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"></div></div> </div> </div> </div> <div id="left"> <div class="menu_box"> <div class="nav_list"> <ul> <li><a href="../allclasses.html">Full Index</a></li> </ul> </div> <a name="cp-menu" /><div class="menutitle"><div> <h2 id="cp-menu-project">Modules</h2> </div></div> <div class="nav_list"> <ul><li><a href="../akonadi/index.html">akonadi</a></li> <li><a href="../dnssd/index.html">dnssd</a></li> <li><a href="../kdecore/index.html">kdecore</a></li> <li><a href="../kdeui/index.html">kdeui</a></li> <li><a href="../khtml/index.html">khtml</a></li> <li><a href="../kio/index.html">kio</a></li> <li><a href="../knewstuff/index.html">knewstuff</a></li> <li><a href="../kparts/index.html">kparts</a></li> <li><a href="../kutils/index.html">kutils</a></li> <li><a href="../nepomuk/index.html">nepomuk</a></li> <li><a href="../phonon/index.html">phonon</a></li> <li><a href="../plasma/index.html">plasma</a></li> <li><a href="../polkitqt/index.html">polkitqt</a></li> <li><a href="../solid/index.html">solid</a></li> <li><a href="../soprano/index.html">soprano</a></li> </ul></div></div> </div> </div> <div class="clearer"/> </div> <div id="end_body"></div> </div> <div id="footer"><div id="footer_text"> This documentation is maintained by <a href="mailto:simon@simonzone.com">Simon Edwards</a>.<br /> KDE<sup>®</sup> and <a href="../images/kde_gear_black.png">the K Desktop Environment<sup>®</sup> logo</a> are registered trademarks of <a href="http://ev.kde.org/" title="Homepage of the KDE non-profit Organization">KDE e.V.</a> | <a href="http://www.kde.org/contact/impressum.php">Legal</a> </div></div> </body> </html>