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List:       pykde
Subject:    Re: [PyQt] PyQt5.7 & ICU
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2016-11-14 11:46:24
Message-ID: 53A68242-0237-4C71-959E-98A5619E3DA1 () riverbankcomputing ! com
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On 14 Nov 2016, at 11:42 am, Timothy W. Grove <tim_grove@sil.org> wrote:
> 
> On 14/11/2016 10:17, Phil Thompson wrote:
> > On 14 Nov 2016, at 10:09 am, Timothy W. Grove <tim_grove@sil.org> wrote:
> > > On 13/11/2016 22:58, Phil Thompson wrote:
> > > > On 13 Nov 2016, at 9:11 pm, Timothy W. Grove <tim_grove@sil.org> wrote:
> > > > > Am I correct in thinking that PyQt5 v5.7 doesn't depend upon the ICU
> > > > > libraries any longer, unless they are compiled into Qt from source? I
> > > > > once moaned about the size the icu dll's added to my application and now
> > > > > find that I may want them. :-(
> > > > > 
> > > > > Another option may be to (try and) compile them separately and use pyICU...
> > > > PyQt knows nothing about ICU. Whether the DLLs are needed depends on how Qt \
> > > > is built. 
> > > > Phil
> > > You don't happen to know if Qt changed their policy on ICU dependence between \
> > > 5.6 and 5.7? I rarely have anything to do with the Qt source directly but \
> > > depend upon your binaries and now pip to install PyQt. I believe the binary \
> > > installer for PyQt5.6 was configured to use the -icu flag and the icu dll's \
> > > ended up in my application's directories once frozen, but I'm not seeing this \
> > > now with PyQt5.7.
> > I no longer build Qt myself and rely on the binary installers. The wheel \
> > generator includes the ICU DLLs if it finds them in the Qt installation but \
> > doesn't complain if it doesn't.
> So, when I install PyQt5.7 with pip, does that also install all of the required Qt \
> files or does PyQt look for a Qt installation on my system? My main reason for \
> asking concerns the QCollator class which uses the ICU libraries, if available, for \
> some of its methods.

The wheels include a copy of LGPL Qt.

Phil
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