Help. HOW TO guide for PyQt installation

Phil Thompson phil at riverbankcomputing.com
Wed Mar 20 11:38:19 CET 2013


On Wed, 20 Mar 2013 03:29:35 -0700 (PDT), jmfauth <wxjmfauth at gmail.com>
wrote:
> On 20 mar, 10:30, Phil Thompson <p... at riverbankcomputing.com> wrote:
>> On Wed, 20 Mar 2013 02:09:06 -0700 (PDT), jmfauth <wxjmfa... at gmail.com>
>> wrote:
>>
>>
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>>
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>>
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>> > On 20 mar, 01:12, "D. Xenakis" <gouzouna... at hotmail.com> wrote:
>> >> Hi there,
>> >> Im searching for an installation guide for PyQt toolkit.
>> >> To be honest im very confused about what steps should i follow for a
>> >> complete and clean installation. Should i better choose to install
the
>> >> 32bit or the 64bit windows version? Or maybe both? Any chance one of
>> them
>> >> is more/less bug-crashy than the other? I know both are availiable
on
>> the
>> >> website but just asking.. If i installed this package on windows 8,
>> >> should i have any problems? From what i read PyQt supports only xp
and
>> >> win7.
>> >> I was thinking about installing the newer version of PyQt along with
>> the
>> >> QT5. I have zero expirience on PyQt so either way, everything is
going
>> to
>> >> be new to me, so i dont care that much about the learning curve
>> diference
>> >> between new and old PyQt - Qt version. I did not find any installer
so
>> i
>> >> guess i should customly do everything. Any guide for this plz?
>>
>> >> Id also like to ask.. Commercial licence of PyQt can only be bought
on
>> >> riverbank's website? I think i noticed somewhere an other reseller
>> >> "cheaper one" or maybe i didnt know what the hell i was reading :).
>> Maybe
>> >> something about Qt and not PyQt.
>>
>> >> Please help this noob,
>> >> Regards
>>
>> > --------
>>
>> > Short answer without explanation. It does not work.
>>
>> > jmf
>>
>> Well it works for me. Care to elaborate?
>>
>> Phil
> 
> No problem.
> 
> Yesterday, I downloaded "PyQt4-4.10-gpl-Py3.3-Qt5.0.1-x32-2.exe"
> and installed it on my Windows 7 Pro box after having removed
> a previous version.
> 
> No problem with the installation.
> 
> I quickly tested it with one of my interactive Python interpreters
> and got an error "from PyQt4 import QtGui, QtCore" saying, that the
> DLL cannot be found.
>
> Something similar to what Detlev Offenbach reported on
> the PyQt mailing list. Although, I'm not using Qsci.
> 
> Strangely, I had not problem (if I recall correctly) with a
> very basic application (QMainWindow + QLineEdit).
> 
> I had no problem with the demo (I only lauched it).
> 
> I did not spend to much time in investigating further.
> 
> It's the first time I see such an error; usually, no problem.

The only time that I've seen a problem like that is when running from a
shell that was started before running the PyQt installer (ie. one with an
out of date PATH).

Phil



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