qtpy/QtCore.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # Copyright © 2014-2015 Colin Duquesnoy
   4 # Copyright © 2009- The Spyder Development Team
   5 #
   6 # Licensed under the terms of the MIT License
   7 # (see LICENSE.txt for details)
   8
   9 """
  10 Provides QtCore classes and functions.
  11 """
  12
  13 from . import PYQT5, PYSIDE2, PYQT4, PYSIDE, PythonQtError
  14
  15
  16 if PYQT5:
  17     from PyQt5.QtCore import *
  18     from PyQt5.QtCore import pyqtSignal as Signal
  19     from PyQt5.QtCore import pyqtSlot as Slot
  20     from PyQt5.QtCore import pyqtProperty as Property
  21     from PyQt5.QtCore import QT_VERSION_STR as __version__
  22
  23     # Those are imported from `import *`
  24     del pyqtSignal, pyqtSlot, pyqtProperty, QT_VERSION_STR
  25 elif PYSIDE2:
  26     from PySide2.QtCore import *
  27     try:  # may be limited to PySide-5.11a1 only
  28         from PySide2.QtGui import QStringListModel
  29     except:
  30         pass
  31 elif PYQT4:
  32     from PyQt4.QtCore import *
  33     # Those are things we inherited from Spyder that fix crazy crashes under
  34     # some specific situations. (See #34)
  35     from PyQt4.QtCore import QCoreApplication
  36     from PyQt4.QtCore import Qt
  37     from PyQt4.QtCore import pyqtSignal as Signal
  38     from PyQt4.QtCore import pyqtSlot as Slot
  39     from PyQt4.QtCore import pyqtProperty as Property
  40     from PyQt4.QtGui import (QItemSelection, QItemSelectionModel,
  41                              QItemSelectionRange, QSortFilterProxyModel,
  42                              QStringListModel)
  43     from PyQt4.QtCore import QT_VERSION_STR as __version__
  44     from PyQt4.QtCore import qInstallMsgHandler as qInstallMessageHandler
  45
  46     # QDesktopServices has has been split into (QDesktopServices and
  47     # QStandardPaths) in Qt5
  48     # This creates a dummy class that emulates QStandardPaths
  49     from PyQt4.QtGui import QDesktopServices as _QDesktopServices
  50
  51     class QStandardPaths():
  52         StandardLocation = _QDesktopServices.StandardLocation
  53         displayName = _QDesktopServices.displayName
  54         DesktopLocation = _QDesktopServices.DesktopLocation
  55         DocumentsLocation = _QDesktopServices.DocumentsLocation
  56         FontsLocation = _QDesktopServices.FontsLocation
  57         ApplicationsLocation = _QDesktopServices.ApplicationsLocation
  58         MusicLocation = _QDesktopServices.MusicLocation
  59         MoviesLocation = _QDesktopServices.MoviesLocation
  60         PicturesLocation = _QDesktopServices.PicturesLocation
  61         TempLocation = _QDesktopServices.TempLocation
  62         HomeLocation = _QDesktopServices.HomeLocation
  63         DataLocation = _QDesktopServices.DataLocation
  64         CacheLocation = _QDesktopServices.CacheLocation
  65         writableLocation = _QDesktopServices.storageLocation
  66
  67     # Those are imported from `import *`
  68     del pyqtSignal, pyqtSlot, pyqtProperty, QT_VERSION_STR, qInstallMsgHandler
  69 elif PYSIDE:
  70     from PySide.QtCore import *
  71     from PySide.QtGui import (QItemSelection, QItemSelectionModel,
  72                               QItemSelectionRange, QSortFilterProxyModel,
  73                               QStringListModel)
  74     from PySide.QtCore import qInstallMsgHandler as qInstallMessageHandler
  75     del qInstallMsgHandler
  76
  77     # QDesktopServices has has been split into (QDesktopServices and
  78     # QStandardPaths) in Qt5
  79     # This creates a dummy class that emulates QStandardPaths
  80     from PySide.QtGui import QDesktopServices as _QDesktopServices
  81
  82     class QStandardPaths():
  83         StandardLocation = _QDesktopServices.StandardLocation
  84         displayName = _QDesktopServices.displayName
  85         DesktopLocation = _QDesktopServices.DesktopLocation
  86         DocumentsLocation = _QDesktopServices.DocumentsLocation
  87         FontsLocation = _QDesktopServices.FontsLocation
  88         ApplicationsLocation = _QDesktopServices.ApplicationsLocation
  89         MusicLocation = _QDesktopServices.MusicLocation
  90         MoviesLocation = _QDesktopServices.MoviesLocation
  91         PicturesLocation = _QDesktopServices.PicturesLocation
  92         TempLocation = _QDesktopServices.TempLocation
  93         HomeLocation = _QDesktopServices.HomeLocation
  94         DataLocation = _QDesktopServices.DataLocation
  95         CacheLocation = _QDesktopServices.CacheLocation
  96         writableLocation = _QDesktopServices.storageLocation
  97
  98     import PySide.QtCore
  99     __version__ = PySide.QtCore.__version__
 100 else:
 101     raise PythonQtError('No Qt bindings could be found')