qtcompat.py

   1 ##
   2 ## This file is part of the sigrok-meter project.
   3 ##
   4 ## Copyright (C) 2014 Jens Steinhauser <jens.steinhauser@gmail.com>
   5 ##
   6 ## This program is free software; you can redistribute it and/or modify
   7 ## it under the terms of the GNU General Public License as published by
   8 ## the Free Software Foundation; either version 2 of the License, or
   9 ## (at your option) any later version.
  10 ##
  11 ## This program is distributed in the hope that it will be useful,
  12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ## GNU General Public License for more details.
  15 ##
  16 ## You should have received a copy of the GNU General Public License
  17 ## along with this program; if not, write to the Free Software
  18 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19 ##
  20
  21 def load_modules(force_pyside):
  22     if force_pyside:
  23         import PySide.QtCore as _QtCore
  24         import PySide.QtGui as _QtGui
  25     else:
  26         try:
  27             # Use version 2 API in all cases, because that's what PySide uses.
  28             import sip
  29             sip.setapi('QVariant', 2)
  30             sip.setapi('QDate', 2)
  31             sip.setapi('QDateTime', 2)
  32             sip.setapi('QString', 2)
  33             sip.setapi('QTextStream', 2)
  34             sip.setapi('QTime', 2)
  35             sip.setapi('QUrl', 2)
  36             sip.setapi('QVariant', 2)
  37
  38             import PyQt4.QtCore as _QtCore
  39             import PyQt4.QtGui as _QtGui
  40
  41             # Add PySide compatible names.
  42             _QtCore.Signal = _QtCore.pyqtSignal
  43             _QtCore.Slot = _QtCore.pyqtSlot
  44         except:
  45             sys.stderr.write('Import of PyQt4 failed, using PySide,\n')
  46             import PySide.QtCore as _QtCore
  47             import PySide.QtGui as _QtGui
  48
  49     global QtCore
  50     global QtGui
  51     QtCore = _QtCore
  52     QtGui = _QtGui
  53
  54     import pyqtgraph as _pyqtgraph
  55     import pyqtgraph.dockarea as _pyqtgraph_dockarea
  56     global pyqtgraph
  57     pyqtgraph = _pyqtgraph
  58     pyqtgraph.dockarea = _pyqtgraph_dockarea