1 files changed, 136 insertions, 0 deletions
diff --git a/lib/taurus/external/qt/uic.py b/lib/taurus/external/qt/uic.py
new file mode 100644
index 00000000..2f37e800
--- /dev/null
+++ b/lib/taurus/external/qt/uic.py
@@ -0,0 +1,136 @@
+# -*- coding: utf-8 -*-
+
+##############################################################################
+##
+## This file is part of Taurus
+##
+## http://taurus-scada.org
+##
+## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
+##
+## Taurus 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 3 of the License, or
+## (at your option) any later version.
+##
+## Taurus 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 Taurus.  If not, see <http://www.gnu.org/licenses/>.
+##
+##############################################################################
+
+"""This module exposes PyQt4/PSide uic module"""
+
+from taurus.core.util import log
+from taurus.external.qt import getQt
+
+__backend = getQt().__name__
+
+if __backend == 'PyQt4':
+    from PyQt4.uic import *
+    from PyQt4.uic import uiparser
+    from PyQt4.uic import properties
+
+    # prevent ui parser from logging debug messages
+    class __IgnoreCalls:
+        def __call__(self, *args, **kwargs):
+            pass
+
+    uiparser.DEBUG = __IgnoreCalls()
+    properties.DEBUG = __IgnoreCalls()
+
+    def loadUI(uiFilename, parent=None):
+        newWidget = loadUi(uiFilename)
+        newWidget.setParent(parent)
+        return newWidget
+
+elif __backend == 'PyQt5':
+    from PyQt5.uic import *
+    from PyQt5.uic import uiparser
+    from PyQt5.uic import properties
+
+    # prevent ui parser from logging debug messages
+    class __IgnoreCalls:
+        def __call__(self, *args, **kwargs):
+            pass
+
+    uiparser.DEBUG = __IgnoreCalls()
+    properties.DEBUG = __IgnoreCalls()
+
+    def loadUI(uiFilename, parent=None):
+        newWidget = loadUi(uiFilename)
+        newWidget.setParent(parent)
+        return newWidget
+
+elif __backend == 'PySide':
+    from . import QtCore as __QtCore
+    from . import QtUiTools as __QtUiTools
+
+    __uiLoader = None
+    class UiLoader(__QtUiTools.QUiLoader):
+        def __init__(self):
+            super(UiLoader, self).__init__()
+            self._rootWidget = None
+
+        def createWidget(self, className, parent=None, name=''):
+            widget = super(UiLoader, self).createWidget(
+                    className, parent, name)
+
+            if name:
+                if self._rootWidget is None:
+                    self._rootWidget = widget
+                elif not hasattr(self._rootWidget, name):
+                    setattr(self._rootWidget, name, widget)
+                else:
+                    log.error("Qt: Name collision! Ignoring second "
+                              "occurrance of %r.", name)
+
+                if parent is not None:
+                    setattr(parent, name, widget)
+                else:
+                    # Sadly, we can't reparent it to self, since QUiLoader
+                    # isn't a QWidget.
+                    log.error("Qt: No parent specified! This will probably "
+                              "crash due to C++ object deletion.")
+
+            return widget
+
+        def load(self, fileOrName, parentWidget=None):
+            if self._rootWidget is not None:
+                raise Exception("UiLoader is already started loading UI!")
+
+            widget = super(UiLoader, self).load(fileOrName, parentWidget)
+
+            if widget != self._rootWidget:
+                log.error("Qt: Returned widget isn't the root widget... ")
+
+            self._rootWidget = None
+            return widget
+
+    def loadUI(uiFilename, parent=None):
+        global __uiLoader
+        if __uiLoader is None:
+            __uiLoader = UiLoader()
+
+        uiFile = __QtCore.QFile(uiFilename, parent)
+        if not uiFile.open(__QtCore.QIODevice.ReadOnly):
+            log.error("Qt: Couldn't open file %r!", uiFilename)
+            return None
+
+        try:
+            return __uiLoader.load(uiFile, parent)
+
+        except:
+            log.exception("Exception loading UI from %r!", uiFilename)
+
+        finally:
+            uiFile.close()
+            uiFile.deleteLater()
+
+        return None
+
+del getQt