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-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN
- "http://www.w3.org/TR/html4/loose.dtd"">
-<html>
-<head>
- <title>Troubleshooting</title>
- <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
- <meta name="GENERATOR" content="Quanta Plus">
-</head>
-<body>
-<DIV
-CLASS="NAVHEADER"
-><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0">
-<TR><TH COLSPAN="3" ALIGN="center">Python Bindings for KDE (PyKDE-3.16.0)</TH></TR>
-<TR><TD WIDTH="10%" ALIGN="left" VALIGN="bottom"><A HREF="install.html" ACCESSKEY="P">Prev</A></TD>
-<TD WIDTH="80%" ALIGN="center" VALIGN="bottom"></TD>
-<TD WIDTH="10%" ALIGN="right" VALIGN="bottom"><A HREF="switches.html" ACCESSKEY="N">Next</A></TD>
-</TR>
-</TABLE><HR ALIGN="LEFT" WIDTH="100%"></DIV>
-<h1>Troubleshooting</h1>
-<h2>Introduction</h2>
-<p>
-(There are distribution-specific notes at the end of this page)
-</p>
-<p>
-Before each release, PyKDE is test built against SuSE, Red Hat and Mandrake Linux distributions,
-and various versions of Python, Qt and KDE. Even after performing test builds, errors still can
-occur with your installation. The most common sources of errors are (roughly in order of occurance):
-</p>
-<ul>
-<li>Differences in user environments</li>
-<li>Differences between distributions (or even between different builds of same version of the same distribution</li>
-<li>Bugs - in PyKDE or any of the software it's based on (KDE, Qt, PyQt, sip, or even Python)</li>
-</ul>
-<h2>Reporting errors -- PLEASE READ!</h2>
-<p>
-The people on the PyKDE mailing list are knowledgeable about Python, PyQt,and PyKDE and are
-genuinely helpful. You shouldn't hesitate to post a question or problem there (you may hear
-"RTFM" occasionally, but not often). Chances are that someone using your distribution is already
-posting to the list.
-</p>
-<p>
-The most important thing you can do when reporting an installation error is to include the
-configure.py output with your question, including the error message at the point of failure.
-All configure.py messages write to stdout, so if you can't cut and paste the output, you can do:
-</p>
-<table border="0" bgcolor="#E0E0E0" width="100%">
-<tr>
-<td>
-<pre CLASS="PROGRAMLISTING">
- python configure.py > output.txt
-</pre>
-</td>
-</tr>
-</table>
-<p>
-to capture the output and attach the file to your post. In many cases, if you don't include
-this info, the first response to your question will be to ask for the configure.py output. Including
-it with your original post will save several hours or days in the process of obtaining an answer.
-</p>
-<p>
-Bug reports are a vital part of any software development process. We generally try to provide
-an immediate fix or work-around for problems reported, and then incorporate the fix into
-future releases. Bug reports are always welcome (and always embarrassing).
-</p>
-<p>
-If you are reporting PyKDE run-time errors (not install errors), there's no need to include
-the configure.py output, but <b>at a minimum</b> you should indicate what PyKDE version the error
-occurred with and provide a <i>small</i> code sample that reproduces the error.
-</p>
-<h2>If you perform repairs ...</h2>
-<p>
-If you edit any of the sip files to repair bugs or modify PyKDE, you <b>must</b> re-run
-configure.py. configure.py includes code that generates the actual C++ code that compiles to PyKDE.
-If you don't re-run configure.py, changes to the sip files will have no effect.
-</p>
-<h2>configure.py and make errors</h2>
-<dl>
-<dt>"Can't find a file or directory"</dt>
-<dd>
-configure.py first checks to make sure that it can locate and access all of the components PyKDE
-depends on. If the directories or files aren't where configure.py thinks they should be, an error
-will result and configure.py will exit. Usually these kinds of problems can be solved by adding
-command line switches when running configure.py - see the <a href="switches.html">next page</a> for
-the available command line options
-</dd>
-<dt>"Can't write ..." or "Can't create ..."</dt>
-<dd>
-build.py creates a number of directories and generates Makefiles and a lot of C++ code
-(customized for your system). If the user running build.py doesn't have write access to
-the directories where PyKDE sources were installed, the build will fail. You need to either
-obtain write access, relocate PyKDE someplace where you have write access or (worst choice)
-build PyKDE as root.
-</dd>
-<dt>"Can't remove or create directory"</dt>
-<dd>
-This happens rarely, but is a quirk of the PyKDE build process. PyKDE will build and make
-as an unprivileged user BUT if you did a build of PyKDE previously as root and then attempt
-to build PyKDE again as a user, the build will fail. The reason is that configure.py creates a
-number of directories and a lot of files. The next time configure.py runs, it will try to delete
-these directories and files before re-creating them. If the original directories and files
-were owned by root, a user will be unable to delete them and configure.py will fail if run as
-a user in that case.
-</dd>
-<dt>"Can't find PyQt sip files"</dt>
-<dd>
-You did install them, right? If you build PyQt from sources, the sip files will be there
-somewhere (by default, PyQt installs the PyQt sip files in /usr/share/PyQt if built from
-source). When you find them, you can tell configure.py where they are with a switch (see
-<a href="switches.html">next page</a>). If you installed PyQt from RPMs (either downloaded or
-from your distribution), the sip files are usually in a "devel" RPM for PyQt, which also needs
-to be installed if you want to build PyKDE from sources.
-</dd>
-<dt>Code generation errors</dt>
-<dd>
-The PyKDE sources are mostly "sip" files which describe the interface to KDE's C++ libraries
-to the sip code generator. These files should be error free. If a sip or code generation error occurs,
-please report it to the PyKDE mailing list at <A HREF="mailto:PyKDE@mats.imk.fraunhofer.de">
-PyKDE@mats.imk.fraunhofer.de </A> Subscribe to the list
-<a href="http://mats.imk.fraunhofer.de/mailman/listinfo/pykde">here</a>
-</dd>
-<dt>Compile errors</dt>
-<dd>
-PyKDE should not experience any compile errors. Currently sip 4.0 based compiles will
-generate a number of warnings - these can be safely ignored. If errors occur, please report them
-to the PyKDE mailing list at <A HREF="mailto:PyKDE@mats.imk.fraunhofer.de"> PyKDE@mats.imk.fraunhofer.de </A>.
-Subscribe to the list <a href="http://mats.imk.fraunhofer.de/mailman/listinfo/pykde">here</a>
-</dd>
-</dl>
-<h2>Compile-time errors</h2>
-<p>
-PyKDE takes a long time to compile on some hardware, however no single module should take more than 25-30
-minutes on any but the slowest hardware. Some gcc versions (for example gcc 4.0.1 on SuSE 10) will hang
-if PyKDE C++ files have been generated in "concatenated" mode (see Installation and Switches pages for
-more info). If you are using concatenated mode (each module consists of a single large file, instead of
-many small files) and PyKDE's compilation hangs, re-run configure.py with the -i switch, then re-run make.
-</p>
-<p>
-PyKDE attempts to identify gcc versions that have problems and select the correct mode automatically.
-</p>
-<h2>Run-time errors</h2>
-<dl>
-<dt>importTest.py errors</dt>
-<dd>
-<p>
-All that importTest.py does is try to import each of the PyKDE modules. The most common error that
-occurs when running importTest.py is that an unresolved symbol in one of the modules prevents the
-module from loading. This can occur because not all KDE library versions contain all of the "official" KDE
-classes and members. Although it doesn't occur often, 1 missing method (out of over 10,000) will
-prevent a module from loading, and also prevent other modules that depend on the failing module
-from loading. The error message will normally print a "mangled" version of the missing method's name:
-</p>
-<table border="0" width="100%">
-<tr>
-<td>
-<pre CLASS="PROGRAMLISTING">
- &gt; ImportError: /usr/lib/python2.2/site-packages/libkdecorecmodule.so:
- &gt; undefined symbol: _ZNK10KAboutData18copyrightStatementEv
-</pre>
-</td>
-</tr>
-</table>
-<p>
-You can decipher the mangled name to a class and method (in the example above,
-KAboutData::copyrightStatement) by running:
-</p>
-<table border="0" width="100%">
-<tr>
-<td>
-<pre CLASS="PROGRAMLISTING">
- c++filt &lt;symbolname&gt;
-
- for example:
-
- c++filt _ZNK10KAboutData18copyrightStatementEv
-</pre>
-</td>
-</tr>
-</table>
-<p>
-If you can locate the sip file for the class, you can comment out ("//") the missing method, and recompile
-(including re-running <i>configure.py</i>. If you can't solve the problem (and even if you do) you should
-report it on the PyKDE mailing list at <A HREF="mailto:PyKDE@mats.imk.fraunhofer.de">
-PyKDE@mats.imk.fraunhofer.de </A>. Subscribe to the list
-</p>
-<a href="http://mats.imk.fraunhofer.de/mailman/listinfo/pykde">here</a>
-</dd>
-<dt>Other run-time errors</dt>
-<dd>
-At present only the most likely failure modes of PyKDE are tested (contributions of tests/test code
-are greatly appreciated). Nearly all of PyKDE is completely machine generated from the KDE h files,
-so coding errors are rare but they do happen. PyKDE also uses some classes and methods differently
-because it's running from Python and not C++. If you suspect an error, please double-check your
-code and review the PyKDE docs to be sure the argument lists and expected return types are what you
-thought they were. If the problem persists, report it to the PyKDE mailing list at
- <A HREF="mailto:PyKDE@mats.imk.fraunhofer.de"> PyKDE@mats.imk.fraunhofer.de </A>. Subscribe to the list
-<a href="http://mats.imk.fraunhofer.de/mailman/listinfo/pykde">here</a>. <b>When reporting errors to the
-list, it's always helpful if you provide:</b>
-<ul>
-<li>
-the version of PyKDE you're using
-</li>
-<li>
- a <i>small</i> sample of code that produces the problem.
-</li>
-</ul>
-It's not particularly important whether the error is a PyKDE error or a user error (although
-I prefer seeing user errors rather than my own).
-</dd>
-</dl>
-<h2>Distribution-specific Notes</h2>
-<h3>SuSE 8.0/8.1</h3>
-<p>
-During testing of PyKDE for KDE 3.x.x on SuSE 8.0 and 8.1 I
-ran into problems with the kjs module insisting on linking to
-the KDE2 version of libkjs.so instead of the KDE3. The lib
-name/version is the same in both cases, but the libs aren't
-compatible. The only solution I found was to:
-</p>
-<p>
-1.Edit (as root) /etc/ld.so.conf from this:
-</p>
-<table border="0" bgcolor="#E0E0E0" width="100%">
-<tr>
-<td>
-<pre CLASS="PROGRAMLISTING">
- /opt/kde
- /opt/kde2
- /opt/kde3
-</pre>
-</td>
-</tr>
-</table>
-<p>
- to this:
-</p>
-<table border="0" bgcolor="#E0E0E0" width="100%">
-<tr>
-<td>
-<pre CLASS="PROGRAMLISTING">
- /opt/kde3
- /opt/kde
- /opt/kde2
-</pre>
-</td>
-</tr>
-</table>
-<p>
-2. Run (as root) ldconfig
-</p>
-<p>
-3. Re-link. You can save having to rebuild PyKDE and recompile
-by simply going into the PyKDE-3.x.x/kjs directory and deleteing
-kjshuge.o (or any *.o in the directory) and then rerunning make
-and make install (this forces a recompile/relink of the kjs module
-only, which is very fast) Don't run configure.py before trying this,
-or everything will recompile.
-</p>
-<p>
-Alternatively, if you don't plan on using kjs, you can simply
-ignore the fact that it's mis-linked - it won't affect any
-other module.
-</p>
-<h3>SuSE 8.2/9.0</h3>
-<p>
-Some (but by no means all) versions of the KDE rpms for recent SuSE distributions appear
-to have been built with a different version of kfileshare.h than what they ship with. This
-version is also in disagreement with the "official" KDE version (as found in the kdelib
-source files on kde.org, for example). The "incorrect" versions use a setShared(...) method
-with a different argument list that doesn't match the h files.
-</p>
-<p>
-To fix this problem, all versions of the setShared method should be commented out in
-kfileshare.sip.
-</p>
-<h3>Mandrake 9.1</h3><h4>(rpm install - PyKDE-3.8, not 3.11 so far)</h4>
-<p>
-Some people have had trouble with the Mandrake 9.1 rpms/KDE libs. All
-distributions modify KDE in some way and where feasible, PyKDE is
-set up to build with the least common denominator.
-</p>
-<p>
-The following exchange is from the PyKDE mailing list. The reply is
-from Simon Edwards:
-</p>
-<table border="0" width="100%">
-<tr>
-<td>
-<pre CLASS="PROGRAMLISTING">
- &gt; I'm trying to setup PyKDE on my Mandrake 9.1/python 2.2 box but so far I
-
- &gt; ImportError: /usr/lib/python2.2/site-packages/libkdecorecmodule.so:
- &gt; undefined symbol: _ZNK10KAboutData18copyrightStatementEv
-
- Let me guess. You are using the original KDE version that came with Mandrake
- 9.1. :) yeah, there is a problem and the PyKDE rpms for mandrake don't work
- with that version.
-
- What you can do is update your KDE to 3.1.4. That should work. I'm using 3.1.2
- here. You can go here:
-
- <a href="http://plf.zarb.org/~nanardon/urpmiweb.php"> http://plf.zarb.org/~nanardon/urpmiweb.php</a>
-
- and follow the directions and remember to select 'Texstar'. Now you will be
- able to upgrade KDE using the Mandrake Install tool. Open up the Mandrake
- Control Center and go to Install Software, do a search on "kde" and you
- should get a big long list of KDE packages. Select the 3.1.4-tex2 ones and
- when you are ready hit 'install'. and wait, and wait. :-)
-</pre>
-</td>
-</tr>
-</table>
-<p>
-</p>
-<h3>Mandrake 10.x</h3>
-<p>
-Some people have had trouble compiling with Mandrake 10.x. Mandrake provides a few "non-standard"
-h files. This only affects 3 or 4 methods, but is enough to prevent PyKDE from building. PyKDE 4.0
-includes patches that should eliminate this problem.
-</p>
-<DIV CLASS="NAVFOOTER">
-<HR ALIGN="LEFT" WIDTH="100%">
-<TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" >
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-<TR>
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-<TD WIDTH="34%" ALIGN="center" VALIGN="top">&nbsp;</TD>
-<TD WIDTH="33%" ALIGN="right" VALIGN="top">build.py Options</TD>
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