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KDE 4.4 PyKDE API Reference
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<h1>KProcess Class Reference</h1>
<code>from PyKDE4.kdecore import *</code>
<p>
Inherits: <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qprocess.html">QProcess</a> → <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qiodevice.html">QIODevice</a> → <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qobject.html">QObject</a><br />
Subclasses: <a href="../kdecore/KPtyProcess.html">KPtyProcess</a><br />
<h2>Detailed Description</h2>
<p>\class KProcess kprocess.h <KProcess>
</p>
<p>
Child process invocation, monitoring and control.
</p>
<p>
This class extends QProcess by some useful functionality, overrides
some defaults with saner values and wraps parts of the API into a more
accessible one.
This is the preferred way of spawning child processes in KDE; don't
use QProcess directly.
</p>
<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd> Oswald Buddenhagen <ossi@kde.org> </dd></dl>
</p>
<table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Enumerations</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="#OutputChannelMode">OutputChannelMode</a> </td><td class="memItemRight" valign="bottom">{ SeparateChannels, MergedChannels, ForwardedChannels, OnlyStdoutChannel, OnlyStderrChannel }</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="#KProcess">__init__</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qobject.html">QObject</a> parent=0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#clearEnvironment">clearEnvironment</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#clearProgram">clearProgram</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#execute">execute</a> (self, int msecs=-1)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#execute">execute</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> exe, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> args=QStringList(), int msecs=-1)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#execute">execute</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> argv, int msecs=-1)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../kdecore/KProcess.html">KProcess</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator <<">operator <<</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> arg)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../kdecore/KProcess.html">KProcess</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#operator <<">operator <<</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> args)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../kdecore/KProcess.html#OutputChannelMode">KProcess.OutputChannelMode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#outputChannelMode">outputChannelMode</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#pid">pid</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#program">program</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setEnv">setEnv</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> name, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> value, bool overwrite=1)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setNextOpenMode">setNextOpenMode</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qiodevice::openmode.html">QIODevice.OpenMode</a> mode)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setOutputChannelMode">setOutputChannelMode</a> (self, <a href="../kdecore/KProcess.html#OutputChannelMode">KProcess.OutputChannelMode</a> mode)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setProgram">setProgram</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> exe, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> args=QStringList())</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setProgram">setProgram</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> argv)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setShellCommand">setShellCommand</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> cmd)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#start">start</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#startDetached">startDetached</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#startDetached">startDetached</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> exe, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> args=QStringList())</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#startDetached">startDetached</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> argv)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#unsetEnv">unsetEnv</a> (self, <a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> name)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="KProcess"></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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qobject.html">QObject</a> </td>
<td class="paramname"><em>parent=0</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Constructor
</p></div></div><a class="anchor" name="clearEnvironment"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> clearEnvironment</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Empties the process' environment.
</p>
<p>
Note that LD_LIBRARY_PATH/DYLD_LIBRARY_PATH is automatically added
on *NIX.
</p>
<p>
This function must be called before starting the process.
</p></div></div><a class="anchor" name="clearProgram"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> clearProgram</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Clear the program and command line argument list.
</p></div></div><a class="anchor" name="execute"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int execute</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">int </td>
<td class="paramname"><em>msecs=-1</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to execute and the command line arguments
for the program, one per list element
<tr><td></td><td valign="top"><em>msecs</em> </td><td> time to wait for process to exit before killing it
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> -2 if the process could not be started, -1 if it crashed,
otherwise its exit code
</dd></dl>
</p></div></div><a class="anchor" name="execute"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int execute</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>exe</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td>
<td class="paramname"><em>args=QStringList()</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>msecs=-1</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to execute and the command line arguments
for the program, one per list element
<tr><td></td><td valign="top"><em>msecs</em> </td><td> time to wait for process to exit before killing it
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> -2 if the process could not be started, -1 if it crashed,
otherwise its exit code
</dd></dl>
</p></div></div><a class="anchor" name="execute"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int execute</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td>
<td class="paramname"><em>argv</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>msecs=-1</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to execute and the command line arguments
for the program, one per list element
<tr><td></td><td valign="top"><em>msecs</em> </td><td> time to wait for process to exit before killing it
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> -2 if the process could not be started, -1 if it crashed,
otherwise its exit code
</dd></dl>
</p></div></div><a class="anchor" name="operator <<"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../kdecore/KProcess.html">KProcess</a> operator <<</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>arg</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>args</em> </td><td> the arguments to add
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a reference to this KProcess
</dd></dl>
</p></div></div><a class="anchor" name="operator <<"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../kdecore/KProcess.html">KProcess</a> operator <<</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td>
<td class="paramname"><em>args</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>args</em> </td><td> the arguments to add
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> a reference to this KProcess
</dd></dl>
</p></div></div><a class="anchor" name="outputChannelMode"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../kdecore/KProcess.html#OutputChannelMode">KProcess.OutputChannelMode</a> outputChannelMode</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Query how the output channels of the child process are handled.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> the output channel handling mode
</dd></dl>
</p></div></div><a class="anchor" name="pid"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int pid</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Obtain the process' ID as known to the system.
</p>
<p>
Unlike with QProcess.pid(), this is a real PID also on Windows.
</p>
<p>
This function can be called only while the process is running.
It cannot be applied to detached processes.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> the process ID
</dd></dl>
</p></div></div><a class="anchor" name="program"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> program</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Obtain the currently set program and arguments.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> a list, the first element being the program, the remaining ones
being command line arguments to the program.
</dd></dl>
</p></div></div><a class="anchor" name="setEnv"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setEnv</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>overwrite=1</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Adds the variable <b>name</b> to the process' environment.
</p>
<p>
This function must be called before starting the process.
</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>name</em> </td><td> the name of the environment variable
<tr><td></td><td valign="top"><em>value</em> </td><td> the new value for the environment variable
<tr><td></td><td valign="top"><em>overwrite</em> </td><td> if false and the environment variable is already
set, the old value will be preserved
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="setNextOpenMode"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setNextOpenMode</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qiodevice::openmode.html">QIODevice.OpenMode</a> </td>
<td class="paramname"><em>mode</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Set the QIODevice open mode the process will be opened in.
</p>
<p>
This function must be called before starting the process, obviously.
</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>mode</em> </td><td> the open mode. Note that this mode is automatically
"reduced" according to the channel modes and redirections.
The default is QIODevice.ReadWrite.
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="setOutputChannelMode"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setOutputChannelMode</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/KProcess.html#OutputChannelMode">KProcess.OutputChannelMode</a> </td>
<td class="paramname"><em>mode</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Set how to handle the output channels of the child process.
</p>
<p>
The default is ForwardedChannels, which is unlike in QProcess.
Do not request more than you actually handle, as this output is
simply lost otherwise.
</p>
<p>
This function must be called before starting the process.
</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>mode</em> </td><td> the output channel handling mode
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="setProgram"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setProgram</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>exe</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td>
<td class="paramname"><em>args=QStringList()</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to execute and the command line arguments
for the program, one per list element
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="setProgram"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setProgram</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td>
<td class="paramname"><em>argv</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to execute and the command line arguments
for the program, one per list element
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="setShellCommand"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setShellCommand</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>cmd</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Set a command to execute through a shell (a POSIX sh on *NIX
and cmd.exe on Windows).
</p>
<p>
Using this for anything but user-supplied commands is usually a bad
idea, as the command's syntax depends on the platform.
Redirections including pipes, etc. are better handled by the
respective functions provided by QProcess.
</p>
<p>
If KProcess determines that the command does not really need a
shell, it will trasparently execute it without one for performance
reasons.
</p>
<p>
This function must be called before starting the process, obviously.
</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>cmd</em> </td><td> the command to execute through a shell.
The caller must make sure that all filenames etc. are properly
quoted when passed as argument. Failure to do so often results in
serious security holes. See KShell.quoteArg().
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="start"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> start</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Start the process.
</p>
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd> QProcess.start(const QString &, const QStringList &, OpenMode)
</dd></dl>
</p></div></div><a class="anchor" name="startDetached"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int startDetached</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to start and the command line arguments
for the program, one per list element
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> the PID of the started process or 0 on error
</dd></dl>
</p></div></div><a class="anchor" name="startDetached"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int startDetached</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>exe</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td>
<td class="paramname"><em>args=QStringList()</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to start and the command line arguments
for the program, one per list element
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> the PID of the started process or 0 on error
</dd></dl>
</p></div></div><a class="anchor" name="startDetached"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">int startDetached</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstringlist.html">QStringList</a> </td>
<td class="paramname"><em>argv</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>argv</em> </td><td> the program to start and the command line arguments
for the program, one per list element
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> the PID of the started process or 0 on error
</dd></dl>
</p></div></div><a class="anchor" name="unsetEnv"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> unsetEnv</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="http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qstring.html">QString</a> </td>
<td class="paramname"><em>name</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Removes the variable <b>name</b> from the process' environment.
</p>
<p>
This function must be called before starting the process.
</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>name</em> </td><td> the name of the environment variable
</td></tr>
</table></dl>
<p>
</p></div></div><hr><h2>Enumeration Documentation</h2><a class="anchor" name="OutputChannelMode"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr><td class="memname">OutputChannelMode</td>
</tr>
</table>
</div>
<div class="memdoc"><p>Modes in which the output channels can be opened.
</p><dl compact><dt><b>Enumerator: </b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0"><tr><td valign="top"><em>SeparateChannels</em> = QProcess::SeparateChannels</td><td><tr><td valign="top"><em>MergedChannels</em> = QProcess::MergedChannels</td><td><tr><td valign="top"><em>ForwardedChannels</em> = QProcess::ForwardedChannels</td><td><tr><td valign="top"><em>OnlyStdoutChannel</em> </td><td><tr><td valign="top"><em>OnlyStderrChannel</em> </td><td></table>
</dl>
</div></div><p>
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