+# Copyright (C) 2016-2022 CEA/DEN, EDF R&D
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+
"""
-Group under one hat PySide and PyQt4. PyQt4 is tried first.
+Group under one hat PySide and PyQt5. PyQt5 is tried first.
"""
try:
import os
if os.getenv("CURVEPLOT_FORCE_PYSIDE") is not None:
raise Exception
- import PyQt4
+ import PyQt5
_use_pyqt = True
- print("Using PyQt4 run-time ...")
+ print("Using PyQt5 run-time ...")
except:
try:
import PySide
_use_pyqt = False
print("Using PySide run-time ...")
except:
- raise Exception("Neither PyQt4 nor PySide could be imported!")
+ raise Exception("Neither PyQt5 nor PySide could be imported!")
# Matplotlib has to be handled very early, otherwise it will switch to whatever it
# finds first on the machine
try:
import matplotlib
- if _use_pyqt: back = 'PyQt4'
+ if _use_pyqt: back = 'PyQt5'
else: back = 'PySide'
- matplotlib.rcParams['backend.qt4'] = back
+ # As advised by MatPlotlib:
+ # "The backend.qt5 rcParam was deprecated in version 2.2. In order to force the use of a specific Qt binding, either import that binding first, or set the QT_API environment variable.
+ # mplDeprecation)"
+ from matplotlib.backends import backend_qt5agg
print("Matplotlib found - Set matplotlib backend to '%s'!" % back)
except:
# No matplotlib, silently discard err message.
