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<h1>eric6.Debugger.DebugViewer</h1>

<p>
Module implementing a widget containing various debug related views.
</p>
<p>
The views avaliable are:
<ul>
  <li>selector showing all connected debugger backends</li>
  <li>variables viewer for global variables for the selected debug client</li>
  <li>variables viewer for local variables for the selected debug client</li>
  <li>call stack viewer for the selected debug client</li>
  <li>call trace viewer</li>
  <li>viewer for breakpoints</li>
  <li>viewer for watch expressions</li>
  <li>viewer for exceptions</li>
  <li>viewer for threads for the selected debug client</li>
</ul>
</p>
<h3>Global Attributes</h3>

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

<table>

<tr>
<td><a href="#DebugViewer">DebugViewer</a></td>
<td>Class implementing a widget containing various debug related views.</td>
</tr>
</table>
<h3>Functions</h3>

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

<p>
    Class implementing a widget containing various debug related views.
</p>
<p>
    The individual tabs contain the interpreter shell (optional),
    the filesystem browser (optional), the two variables viewers
    (global and local), a breakpoint viewer, a watch expression viewer and
    the exception logger. Additionally a list of all threads is shown.
</p>
<h3>Signals</h3>
<dl>

<dt>preferencesChanged()</dt>
<dd>
emitted to react on changed preferences
</dd>
<dt>sourceFile(string, int)</dt>
<dd>
emitted to open a source file at a line
</dd>
</dl>
<h3>Derived from</h3>
QWidget
<h3>Class Attributes</h3>

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

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

<table>

<tr>
<td><a href="#DebugViewer.__init__">DebugViewer</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#DebugViewer.__callStackFrameSelected">__callStackFrameSelected</a></td>
<td>Private slot to handle the selection of a call stack entry of the call stack viewer.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__clientDebuggerId">__clientDebuggerId</a></td>
<td>Private slot to receive the ID of a newly connected debugger backend.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__clientException">__clientException</a></td>
<td>Private method to handle an exception of the debugged program.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__clientExit">__clientExit</a></td>
<td>Private method to handle the debugged program terminating.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__clientLine">__clientLine</a></td>
<td>Private method to handle a change to the current line.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__clientSyntaxError">__clientSyntaxError</a></td>
<td>Private method to handle a syntax error in the debugged program.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__debuggerSelected">__debuggerSelected</a></td>
<td>Private slot to handle the selection of a debugger backend in the debuggers list.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__frameSelected">__frameSelected</a></td>
<td>Private slot to handle the selection of a new stack frame number.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__removeDebugger">__removeDebugger</a></td>
<td>Private method to remove a debugger given its ID.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__setCurrentDebugger">__setCurrentDebugger</a></td>
<td>Private method to set the current debugger based on the given ID.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__setDebuggerIconAndState">__setDebuggerIconAndState</a></td>
<td>Private method to set the icon for a specific debugger ID.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__showSource">__showSource</a></td>
<td>Private slot to handle the source button press to show the selected file.</td>
</tr>
<tr>
<td><a href="#DebugViewer.__threadSelected">__threadSelected</a></td>
<td>Private slot to handle the selection of a thread in the thread list.</td>
</tr>
<tr>
<td><a href="#DebugViewer.clearCallTrace">clearCallTrace</a></td>
<td>Public method to clear the recorded call trace.</td>
</tr>
<tr>
<td><a href="#DebugViewer.currentWidget">currentWidget</a></td>
<td>Public method to get a reference to the current widget.</td>
</tr>
<tr>
<td><a href="#DebugViewer.getSelectedDebuggerId">getSelectedDebuggerId</a></td>
<td>Public method to get the currently selected debugger ID.</td>
</tr>
<tr>
<td><a href="#DebugViewer.getSelectedDebuggerState">getSelectedDebuggerState</a></td>
<td>Public method to get the currently selected debugger's state.</td>
</tr>
<tr>
<td><a href="#DebugViewer.handleClientStack">handleClientStack</a></td>
<td>Public slot to show the call stack of the program being debugged.</td>
</tr>
<tr>
<td><a href="#DebugViewer.handleDebuggingStarted">handleDebuggingStarted</a></td>
<td>Public slot to handle the start of a debugging session.</td>
</tr>
<tr>
<td><a href="#DebugViewer.handlePreferencesChanged">handlePreferencesChanged</a></td>
<td>Public slot to handle the preferencesChanged signal.</td>
</tr>
<tr>
<td><a href="#DebugViewer.handleResetUI">handleResetUI</a></td>
<td>Public method to reset the viewer.</td>
</tr>
<tr>
<td><a href="#DebugViewer.initCallStackViewer">initCallStackViewer</a></td>
<td>Public method to initialize the call stack viewer.</td>
</tr>
<tr>
<td><a href="#DebugViewer.isCallTraceEnabled">isCallTraceEnabled</a></td>
<td>Public method to get the state of the call trace function.</td>
</tr>
<tr>
<td><a href="#DebugViewer.isOnlyDebugger">isOnlyDebugger</a></td>
<td>Public method to test, if only one debugger is connected.</td>
</tr>
<tr>
<td><a href="#DebugViewer.setCallTraceToProjectMode">setCallTraceToProjectMode</a></td>
<td>Public slot to set the call trace viewer to project mode.</td>
</tr>
<tr>
<td><a href="#DebugViewer.setCurrentWidget">setCurrentWidget</a></td>
<td>Public slot to set the current page based on the given widget.</td>
</tr>
<tr>
<td><a href="#DebugViewer.setDebugger">setDebugger</a></td>
<td>Public method to set a reference to the Debug UI.</td>
</tr>
<tr>
<td><a href="#DebugViewer.setGlobalsFilter">setGlobalsFilter</a></td>
<td>Public slot to set the global variable filter.</td>
</tr>
<tr>
<td><a href="#DebugViewer.setLocalsFilter">setLocalsFilter</a></td>
<td>Public slot to set the local variable filter.</td>
</tr>
<tr>
<td><a href="#DebugViewer.setVariablesFilter">setVariablesFilter</a></td>
<td>Public slot to set the local variables filter.</td>
</tr>
<tr>
<td><a href="#DebugViewer.showThreadList">showThreadList</a></td>
<td>Public method to show the thread list.</td>
</tr>
<tr>
<td><a href="#DebugViewer.showVariable">showVariable</a></td>
<td>Public method to show the variables in the respective window.</td>
</tr>
<tr>
<td><a href="#DebugViewer.showVariables">showVariables</a></td>
<td>Public method to show the variables in the respective window.</td>
</tr>
<tr>
<td><a href="#DebugViewer.showVariablesTab">showVariablesTab</a></td>
<td>Public method to make a variables tab visible.</td>
</tr>
</table>
<h3>Static Methods</h3>

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

<a NAME="DebugViewer.__init__" ID="DebugViewer.__init__"></a>
<h4>DebugViewer (Constructor)</h4>
<b>DebugViewer</b>(<i>debugServer, parent=None</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>debugServer</i> (DebugServer)</dt>
<dd>
reference to the debug server object
</dd>
<dt><i>parent</i> (QWidget)</dt>
<dd>
parent widget
</dd>
</dl>
<a NAME="DebugViewer.__callStackFrameSelected" ID="DebugViewer.__callStackFrameSelected"></a>
<h4>DebugViewer.__callStackFrameSelected</h4>
<b>__callStackFrameSelected</b>(<i>frameNo</i>)

<p>
        Private slot to handle the selection of a call stack entry of the
        call stack viewer.
</p>
<dl>

<dt><i>frameNo</i> (int)</dt>
<dd>
frame number (index) of the selected entry
</dd>
</dl>
<a NAME="DebugViewer.__clientDebuggerId" ID="DebugViewer.__clientDebuggerId"></a>
<h4>DebugViewer.__clientDebuggerId</h4>
<b>__clientDebuggerId</b>(<i>debuggerId</i>)

<p>
        Private slot to receive the ID of a newly connected debugger backend.
</p>
<dl>

<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of a newly connected debugger backend
</dd>
</dl>
<a NAME="DebugViewer.__clientException" ID="DebugViewer.__clientException"></a>
<h4>DebugViewer.__clientException</h4>
<b>__clientException</b>(<i>exceptionType, exceptionMessage, stackTrace, debuggerId</i>)

<p>
        Private method to handle an exception of the debugged program.
</p>
<dl>

<dt><i>exceptionType</i> (str)</dt>
<dd>
type of exception raised
</dd>
<dt><i>exceptionMessage</i> ((str)</dt>
<dd>
message given by the exception
</dd>
<dt><i>stackTrace</i> (list of str)</dt>
<dd>
list of stack entries
</dd>
<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger backend
</dd>
</dl>
<a NAME="DebugViewer.__clientExit" ID="DebugViewer.__clientExit"></a>
<h4>DebugViewer.__clientExit</h4>
<b>__clientExit</b>(<i>program, status, message, quiet, debuggerId</i>)

<p>
        Private method to handle the debugged program terminating.
</p>
<dl>

<dt><i>program</i> (str)</dt>
<dd>
name of the exited program
</dd>
<dt><i>status</i> (int)</dt>
<dd>
exit code of the debugged program
</dd>
<dt><i>message</i> (str)</dt>
<dd>
exit message of the debugged program
</dd>
<dt><i>quiet</i> (bool)</dt>
<dd>
flag indicating to suppress exit info display
</dd>
<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger backend
</dd>
</dl>
<a NAME="DebugViewer.__clientLine" ID="DebugViewer.__clientLine"></a>
<h4>DebugViewer.__clientLine</h4>
<b>__clientLine</b>(<i>fn, line, debuggerId</i>)

<p>
        Private method to handle a change to the current line.
</p>
<dl>

<dt><i>fn</i> (str)</dt>
<dd>
filename
</dd>
<dt><i>line</i> (int)</dt>
<dd>
linenumber
</dd>
<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger backend
</dd>
</dl>
<a NAME="DebugViewer.__clientSyntaxError" ID="DebugViewer.__clientSyntaxError"></a>
<h4>DebugViewer.__clientSyntaxError</h4>
<b>__clientSyntaxError</b>(<i>message, filename, lineNo, characterNo, debuggerId</i>)

<p>
        Private method to handle a syntax error in the debugged program.
</p>
<dl>

<dt><i>message</i> (str)</dt>
<dd>
message of the syntax error
</dd>
<dt><i>filename</i> (str)</dt>
<dd>
translated filename of the syntax error position
</dd>
<dt><i>lineNo</i> (int)</dt>
<dd>
line number of the syntax error position
</dd>
<dt><i>characterNo</i> (int)</dt>
<dd>
character number of the syntax error position
</dd>
<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger backend
</dd>
</dl>
<a NAME="DebugViewer.__debuggerSelected" ID="DebugViewer.__debuggerSelected"></a>
<h4>DebugViewer.__debuggerSelected</h4>
<b>__debuggerSelected</b>(<i>current, previous</i>)

<p>
        Private slot to handle the selection of a debugger backend in the
        debuggers list.
</p>
<dl>

<dt><i>current</i> (QTreeWidgetItem)</dt>
<dd>
reference to the new current item
</dd>
<dt><i>previous</i> (QTreeWidgetItem)</dt>
<dd>
reference to the previous current item
</dd>
</dl>
<a NAME="DebugViewer.__frameSelected" ID="DebugViewer.__frameSelected"></a>
<h4>DebugViewer.__frameSelected</h4>
<b>__frameSelected</b>(<i>frmnr</i>)

<p>
        Private slot to handle the selection of a new stack frame number.
</p>
<dl>

<dt><i>frmnr</i> (int)</dt>
<dd>
frame number (0 is the current frame)
</dd>
</dl>
<a NAME="DebugViewer.__removeDebugger" ID="DebugViewer.__removeDebugger"></a>
<h4>DebugViewer.__removeDebugger</h4>
<b>__removeDebugger</b>(<i>debuggerId</i>)

<p>
        Private method to remove a debugger given its ID.
</p>
<dl>

<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger to be removed from the list
</dd>
</dl>
<a NAME="DebugViewer.__setCurrentDebugger" ID="DebugViewer.__setCurrentDebugger"></a>
<h4>DebugViewer.__setCurrentDebugger</h4>
<b>__setCurrentDebugger</b>(<i>debuggerId</i>)

<p>
        Private method to set the current debugger based on the given ID.
</p>
<dl>

<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger to set as current debugger
</dd>
</dl>
<a NAME="DebugViewer.__setDebuggerIconAndState" ID="DebugViewer.__setDebuggerIconAndState"></a>
<h4>DebugViewer.__setDebuggerIconAndState</h4>
<b>__setDebuggerIconAndState</b>(<i>debuggerId, iconName, state</i>)

<p>
        Private method to set the icon for a specific debugger ID.
</p>
<dl>

<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger backend (empty ID means the
            currently selected one)
</dd>
<dt><i>iconName</i> (str)</dt>
<dd>
name of the icon to be used
</dd>
<dt><i>state</i> (str)</dt>
<dd>
state of the debugger (broken, exception, running)
</dd>
</dl>
<a NAME="DebugViewer.__showSource" ID="DebugViewer.__showSource"></a>
<h4>DebugViewer.__showSource</h4>
<b>__showSource</b>(<i></i>)

<p>
        Private slot to handle the source button press to show the selected
        file.
</p>
<a NAME="DebugViewer.__threadSelected" ID="DebugViewer.__threadSelected"></a>
<h4>DebugViewer.__threadSelected</h4>
<b>__threadSelected</b>(<i>current, previous</i>)

<p>
        Private slot to handle the selection of a thread in the thread list.
</p>
<dl>

<dt><i>current</i> (QTreeWidgetItem)</dt>
<dd>
reference to the new current item
</dd>
<dt><i>previous</i> (QTreeWidgetItem)</dt>
<dd>
reference to the previous current item
</dd>
</dl>
<a NAME="DebugViewer.clearCallTrace" ID="DebugViewer.clearCallTrace"></a>
<h4>DebugViewer.clearCallTrace</h4>
<b>clearCallTrace</b>(<i></i>)

<p>
        Public method to clear the recorded call trace.
</p>
<a NAME="DebugViewer.currentWidget" ID="DebugViewer.currentWidget"></a>
<h4>DebugViewer.currentWidget</h4>
<b>currentWidget</b>(<i></i>)

<p>
        Public method to get a reference to the current widget.
</p>
<dl>
<dt>Returns:</dt>
<dd>
reference to the current widget
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
QWidget
</dd>
</dl>
<a NAME="DebugViewer.getSelectedDebuggerId" ID="DebugViewer.getSelectedDebuggerId"></a>
<h4>DebugViewer.getSelectedDebuggerId</h4>
<b>getSelectedDebuggerId</b>(<i></i>)

<p>
        Public method to get the currently selected debugger ID.
</p>
<dl>
<dt>Returns:</dt>
<dd>
selected debugger ID
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="DebugViewer.getSelectedDebuggerState" ID="DebugViewer.getSelectedDebuggerState"></a>
<h4>DebugViewer.getSelectedDebuggerState</h4>
<b>getSelectedDebuggerState</b>(<i></i>)

<p>
        Public method to get the currently selected debugger's state.
</p>
<dl>
<dt>Returns:</dt>
<dd>
selected debugger's state (broken, exception, running)
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="DebugViewer.handleClientStack" ID="DebugViewer.handleClientStack"></a>
<h4>DebugViewer.handleClientStack</h4>
<b>handleClientStack</b>(<i>stack, debuggerId</i>)

<p>
        Public slot to show the call stack of the program being debugged.
</p>
<dl>

<dt><i>stack</i> (list of tuples of (str, str, str, str))</dt>
<dd>
list of tuples with call stack data (file name,
            line number, function name, formatted argument/values list)
</dd>
<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger backend
</dd>
</dl>
<a NAME="DebugViewer.handleDebuggingStarted" ID="DebugViewer.handleDebuggingStarted"></a>
<h4>DebugViewer.handleDebuggingStarted</h4>
<b>handleDebuggingStarted</b>(<i></i>)

<p>
        Public slot to handle the start of a debugging session.
</p>
<p>
        This slot sets the variables filter expressions.
</p>
<a NAME="DebugViewer.handlePreferencesChanged" ID="DebugViewer.handlePreferencesChanged"></a>
<h4>DebugViewer.handlePreferencesChanged</h4>
<b>handlePreferencesChanged</b>(<i></i>)

<p>
        Public slot to handle the preferencesChanged signal.
</p>
<a NAME="DebugViewer.handleResetUI" ID="DebugViewer.handleResetUI"></a>
<h4>DebugViewer.handleResetUI</h4>
<b>handleResetUI</b>(<i></i>)

<p>
        Public method to reset the viewer.
</p>
<a NAME="DebugViewer.initCallStackViewer" ID="DebugViewer.initCallStackViewer"></a>
<h4>DebugViewer.initCallStackViewer</h4>
<b>initCallStackViewer</b>(<i>projectMode</i>)

<p>
        Public method to initialize the call stack viewer.
</p>
<dl>

<dt><i>projectMode</i> (bool)</dt>
<dd>
flag indicating to enable the project mode
</dd>
</dl>
<a NAME="DebugViewer.isCallTraceEnabled" ID="DebugViewer.isCallTraceEnabled"></a>
<h4>DebugViewer.isCallTraceEnabled</h4>
<b>isCallTraceEnabled</b>(<i></i>)

<p>
        Public method to get the state of the call trace function.
</p>
<dl>
<dt>Returns:</dt>
<dd>
flag indicating the state of the call trace function
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="DebugViewer.isOnlyDebugger" ID="DebugViewer.isOnlyDebugger"></a>
<h4>DebugViewer.isOnlyDebugger</h4>
<b>isOnlyDebugger</b>(<i></i>)

<p>
        Public method to test, if only one debugger is connected.
</p>
<dl>
<dt>Returns:</dt>
<dd>
flag indicating that only one debugger is connected
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="DebugViewer.setCallTraceToProjectMode" ID="DebugViewer.setCallTraceToProjectMode"></a>
<h4>DebugViewer.setCallTraceToProjectMode</h4>
<b>setCallTraceToProjectMode</b>(<i>enabled</i>)

<p>
        Public slot to set the call trace viewer to project mode.
</p>
<p>
        In project mode the call trace info is shown with project relative
        path names.
</p>
<dl>

<dt><i>enabled</i> (bool)</dt>
<dd>
flag indicating to enable the project mode
</dd>
</dl>
<a NAME="DebugViewer.setCurrentWidget" ID="DebugViewer.setCurrentWidget"></a>
<h4>DebugViewer.setCurrentWidget</h4>
<b>setCurrentWidget</b>(<i>widget</i>)

<p>
        Public slot to set the current page based on the given widget.
</p>
<dl>

<dt><i>widget</i> (QWidget)</dt>
<dd>
reference to the widget
</dd>
</dl>
<a NAME="DebugViewer.setDebugger" ID="DebugViewer.setDebugger"></a>
<h4>DebugViewer.setDebugger</h4>
<b>setDebugger</b>(<i>debugUI</i>)

<p>
        Public method to set a reference to the Debug UI.
</p>
<dl>

<dt><i>debugUI</i> (DebugUI)</dt>
<dd>
reference to the DebugUI object
</dd>
</dl>
<a NAME="DebugViewer.setGlobalsFilter" ID="DebugViewer.setGlobalsFilter"></a>
<h4>DebugViewer.setGlobalsFilter</h4>
<b>setGlobalsFilter</b>(<i></i>)

<p>
        Public slot to set the global variable filter.
</p>
<a NAME="DebugViewer.setLocalsFilter" ID="DebugViewer.setLocalsFilter"></a>
<h4>DebugViewer.setLocalsFilter</h4>
<b>setLocalsFilter</b>(<i></i>)

<p>
        Public slot to set the local variable filter.
</p>
<a NAME="DebugViewer.setVariablesFilter" ID="DebugViewer.setVariablesFilter"></a>
<h4>DebugViewer.setVariablesFilter</h4>
<b>setVariablesFilter</b>(<i>globalsFilter, localsFilter</i>)

<p>
        Public slot to set the local variables filter.
</p>
<dl>

<dt><i>globalsFilter</i> (list of str)</dt>
<dd>
filter list for global variable types
</dd>
<dt><i>localsFilter</i> (list of str)</dt>
<dd>
filter list for local variable types
</dd>
</dl>
<a NAME="DebugViewer.showThreadList" ID="DebugViewer.showThreadList"></a>
<h4>DebugViewer.showThreadList</h4>
<b>showThreadList</b>(<i>currentID, threadList, debuggerId</i>)

<p>
        Public method to show the thread list.
</p>
<dl>

<dt><i>currentID</i> (int)</dt>
<dd>
id of the current thread
</dd>
<dt><i>threadList</i> (list of dict)</dt>
<dd>
list of dictionaries containing the thread data
</dd>
<dt><i>debuggerId</i> (str)</dt>
<dd>
ID of the debugger backend
</dd>
</dl>
<a NAME="DebugViewer.showVariable" ID="DebugViewer.showVariable"></a>
<h4>DebugViewer.showVariable</h4>
<b>showVariable</b>(<i>vlist, showGlobals</i>)

<p>
        Public method to show the variables in the respective window.
</p>
<dl>

<dt><i>vlist</i> (list)</dt>
<dd>
list of variables to display
</dd>
<dt><i>showGlobals</i> (bool)</dt>
<dd>
flag indicating global/local state
</dd>
</dl>
<a NAME="DebugViewer.showVariables" ID="DebugViewer.showVariables"></a>
<h4>DebugViewer.showVariables</h4>
<b>showVariables</b>(<i>vlist, showGlobals</i>)

<p>
        Public method to show the variables in the respective window.
</p>
<dl>

<dt><i>vlist</i> (list)</dt>
<dd>
list of variables to display
</dd>
<dt><i>showGlobals</i> (bool)</dt>
<dd>
flag indicating global/local state
</dd>
</dl>
<a NAME="DebugViewer.showVariablesTab" ID="DebugViewer.showVariablesTab"></a>
<h4>DebugViewer.showVariablesTab</h4>
<b>showVariablesTab</b>(<i>showGlobals</i>)

<p>
        Public method to make a variables tab visible.
</p>
<dl>

<dt><i>showGlobals</i> (bool)</dt>
<dd>
flag indicating global/local state
</dd>
</dl>
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