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, see <http://www.gnu.org/licenses/>.
  18 ##
  19
  20 import sys
  21
  22 def load_modules(force_pyside):
  23     if force_pyside:
  24         import PySide.QtCore as _QtCore
  25         import PySide.QtGui as _QtGui
  26     else:
  27         try:
  28             # Use version 2 API in all cases, because that's what PySide uses.
  29             import sip
  30             sip.setapi('QVariant', 2)
  31             sip.setapi('QDate', 2)
  32             sip.setapi('QDateTime', 2)
  33             sip.setapi('QString', 2)
  34             sip.setapi('QTextStream', 2)
  35             sip.setapi('QTime', 2)
  36             sip.setapi('QUrl', 2)
  37             sip.setapi('QVariant', 2)
  38
  39             import PyQt4.QtCore as _QtCore
  40             import PyQt4.QtGui as _QtGui
  41
  42             # Add PySide compatible names.
  43             _QtCore.Signal = _QtCore.pyqtSignal
  44             _QtCore.Slot = _QtCore.pyqtSlot
  45         except:
  46             sys.stderr.write('Import of PyQt4 failed, using PySide,\n')
  47             import PySide.QtCore as _QtCore
  48             import PySide.QtGui as _QtGui
  49
  50     global QtCore
  51     global QtGui
  52     QtCore = _QtCore
  53     QtGui = _QtGui
  54
  55     import pyqtgraph as _pyqtgraph
  56     import pyqtgraph.dockarea as _pyqtgraph_dockarea
  57     global pyqtgraph
  58     pyqtgraph = _pyqtgraph
  59     pyqtgraph.dockarea = _pyqtgraph_dockarea