[PyQt] Re: PyQt 4.4.2 GPL installer / missing DLL
contact at pythonxy.com
Fri May 23 13:47:45 BST 2008
I know where it comes from: Qt-Eclipse Integration package was interfering
with the new PyQt installer...
2008/5/22 Pierre Raybaut <contact at pythonxy.com>:
> I didn't have much time to test this, so I must have missed something
> (sorry!): in fact, on a fresh Windows XP SP2 install, all is working well
> with Python 2.5.2, PyQt 4.4.2, matplotlib 0.91.2 and NumPy 1.0.4.
> However, with Python(x,y) distribution installed, when I simply uninstall
> PyQt 4.3.3 and then install PyQt 4.4.2, I get the missing MSVCP80.dll error
> when importing QtCore module for example (of course everything is ok with
> PyQt 4.3.3 even with the whole Python(x,y) distro installed).
> So, I really don't know how, but it must be related to the new release...
> 2008/5/22 Python(x,y) <contact at pythonxy.com>:
> 2008/5/21 Phil Thompson <phil at riverbankcomputing.com>:
>>> On Wednesday 21 May 2008 13:45:42 contact at pythonxy.com wrote:
>>> > BTW, I still get the missing dll error (MSVCP80.DLL) when running
>>> > Python/PyQt scripts with the 4.4.2 release.
>>> Which is MSVC 2005 isn't it?
>> As Python is built with MSVC 2003 and PyQt and Qt
>>> are built with MinGW then I don't see how that can happen.
>> Hi Phil,
>> Actually, after testing it on a clean Windows VM, I found out that this
>> missing DLL issue was not entirely related to the new PyQt release. PyQt
>> examples are indeed all working well (BTW, your "example launcher" is very
>> However, this missing DLL error occurs every time you launch scripts using
>> matplotlib objects embedded in PyQt 4.4.2 GUIs. So I guess that the
>> matplotlib Qt4 backend is not compatible with PyQt 4.4.x. I will post on
>> matplotlib mailing list about this.
>> Anyway, I'll have to wait until this bug is corrected to update
>> Python(x,y) distro.
>> Pierre Raybaut
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