|
|
""" A Qt API selector that can be used to switch between PyQt and PySide.
|
|
|
"""
|
|
|
|
|
|
import os
|
|
|
|
|
|
# Available APIs.
|
|
|
QT_API_PYQT = 'pyqt'
|
|
|
QT_API_PYSIDE = 'pyside'
|
|
|
|
|
|
# Use PyQt by default until PySide is stable.
|
|
|
QT_API = os.environ.get('QT_API', QT_API_PYQT)
|
|
|
|
|
|
if QT_API == QT_API_PYQT:
|
|
|
# For PySide compatibility, use the new-style string API that automatically
|
|
|
# converts QStrings to Unicode Python strings. Also, automatically unpack
|
|
|
# QVariants to their underlying objects.
|
|
|
import sip
|
|
|
sip.setapi('QString', 2)
|
|
|
sip.setapi('QVariant', 2)
|
|
|
|
|
|
from PyQt4 import QtCore, QtGui, QtSvg
|
|
|
|
|
|
# Alias PyQt-specific functions for PySide compatibility.
|
|
|
QtCore.Signal = QtCore.pyqtSignal
|
|
|
QtCore.Slot = QtCore.pyqtSlot
|
|
|
|
|
|
elif QT_API == QT_API_PYSIDE:
|
|
|
from PySide import QtCore, QtGui, QtSvg
|
|
|
|
|
|
else:
|
|
|
raise RuntimeError('Invalid Qt API %r, valid values are: %r or %r' %
|
|
|
(QT_API, QT_API_PYQT, QT_API_PYSIDE))
|
|
|
|
