[PyQt] A little trouble developing a conda recipe for PyQt5

[Darren Dale]

I have been successful building conda packages for qt5/sip/pyqt5 on 64-bit
windows, osx, and linux (available at binstar.org/dsdale24, for now). I
discovered an issue with the pyqt5 package for python-2.7, though, it
crashed when trying to load a couple of the examples, notably qtdemo.py.
I'm wondering if this may be related to the fact that I could not build Qt5
with MSVC2008 (due I think to
https://bugreports.qt-project.org/browse/QTBUG-35980), and therefore had to
build Qt5 with MSVC2010, but the sip and pyqt5 python-2.7 packages need to
be built with MSVC2008. The python-3.4 pyqt5 package, which was built with
MSVC2010, was able to run qtdemo.py without problems.

I notice that there is no PyQt5 windows installer for python-2.7 posted on
the Riverbank website. Could anyone comment? I'm wondering if the issues
I'm seeing are really due to a compiler mismatch, or if there are some
other issues such that pyqt5 will not be supported for python-2.7 on
windows.

Thanks,
Darren
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