Fixes for PySide compatibility

examples/__main__.py

@@ -87,7 +87,17 @@ class ExampleLoader(QtGui.QMainWindow):
         self.ui.loadBtn.clicked.connect(self.loadFile)
         self.ui.exampleTree.currentItemChanged.connect(self.showFile)
         self.ui.exampleTree.itemDoubleClicked.connect(self.loadFile)
+        self.ui.pyqtCheck.toggled.connect(self.pyqtToggled)
+        self.ui.pysideCheck.toggled.connect(self.pysideToggled)
 
+    def pyqtToggled(self, b):
+        if b:
+            self.ui.pysideCheck.setChecked(False)
+        
+    def pysideToggled(self, b):
+        if b:
+            self.ui.pyqtCheck.setChecked(False)
+        
 
     def populateTree(self, root, examples):
         for key, val in examples.items():
@@ -108,12 +118,19 @@ class ExampleLoader(QtGui.QMainWindow):
     
     def loadFile(self):
         fn = self.currentFile()
+        extra = []
+        if self.ui.pyqtCheck.isChecked():
+            extra.append('pyqt')
+        elif self.ui.pysideCheck.isChecked():
+            extra.append('pyside')
+
         if fn is None:
             return
         if sys.platform.startswith('win'):
-            os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, '"' + fn + '"')
+            os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, '"' + fn + '"', *extra)
         else:
-            os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, fn)
+
+            os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, fn, *extra)
         
             
     def showFile(self):

examples/exampleLoaderTemplate.ui

@@ -39,6 +39,24 @@
          </column>
         </widget>
        </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout">
+         <item>
+          <widget class="QCheckBox" name="pyqtCheck">
+           <property name="text">
+            <string>Force PyQt</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QCheckBox" name="pysideCheck">
+           <property name="text">
+            <string>Force PySide</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
        <item>
         <widget class="QPushButton" name="loadBtn">
          <property name="text">

examples/exampleLoaderTemplate_pyqt.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file './examples/exampleLoaderTemplate.ui'
 #
-# Created: Sun Sep  9 14:41:31 2012
+# Created: Fri Oct 26 07:53:55 2012
 #      by: PyQt4 UI code generator 4.9.1
 #
 # WARNING! All changes made in this file will be lost!
@@ -35,6 +35,15 @@ class Ui_Form(object):
         self.exampleTree.headerItem().setText(0, _fromUtf8("1"))
         self.exampleTree.header().setVisible(False)
         self.verticalLayout.addWidget(self.exampleTree)
+        self.horizontalLayout = QtGui.QHBoxLayout()
+        self.horizontalLayout.setObjectName(_fromUtf8("horizontalLayout"))
+        self.pyqtCheck = QtGui.QCheckBox(self.layoutWidget)
+        self.pyqtCheck.setObjectName(_fromUtf8("pyqtCheck"))
+        self.horizontalLayout.addWidget(self.pyqtCheck)
+        self.pysideCheck = QtGui.QCheckBox(self.layoutWidget)
+        self.pysideCheck.setObjectName(_fromUtf8("pysideCheck"))
+        self.horizontalLayout.addWidget(self.pysideCheck)
+        self.verticalLayout.addLayout(self.horizontalLayout)
         self.loadBtn = QtGui.QPushButton(self.layoutWidget)
         self.loadBtn.setObjectName(_fromUtf8("loadBtn"))
         self.verticalLayout.addWidget(self.loadBtn)
@@ -51,5 +60,7 @@ class Ui_Form(object):
 
     def retranslateUi(self, Form):
         Form.setWindowTitle(QtGui.QApplication.translate("Form", "Form", None, QtGui.QApplication.UnicodeUTF8))
+        self.pyqtCheck.setText(QtGui.QApplication.translate("Form", "Force PyQt", None, QtGui.QApplication.UnicodeUTF8))
+        self.pysideCheck.setText(QtGui.QApplication.translate("Form", "Force PySide", None, QtGui.QApplication.UnicodeUTF8))
         self.loadBtn.setText(QtGui.QApplication.translate("Form", "Load Example", None, QtGui.QApplication.UnicodeUTF8))
 

examples/exampleLoaderTemplate_pyside.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file './examples/exampleLoaderTemplate.ui'
 #
-# Created: Sun Sep  9 14:41:31 2012
+# Created: Fri Oct 26 07:53:57 2012
 #      by: pyside-uic 0.2.13 running on PySide 1.1.0
 #
 # WARNING! All changes made in this file will be lost!
@@ -30,6 +30,15 @@ class Ui_Form(object):
         self.exampleTree.headerItem().setText(0, "1")
         self.exampleTree.header().setVisible(False)
         self.verticalLayout.addWidget(self.exampleTree)
+        self.horizontalLayout = QtGui.QHBoxLayout()
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        self.pyqtCheck = QtGui.QCheckBox(self.layoutWidget)
+        self.pyqtCheck.setObjectName("pyqtCheck")
+        self.horizontalLayout.addWidget(self.pyqtCheck)
+        self.pysideCheck = QtGui.QCheckBox(self.layoutWidget)
+        self.pysideCheck.setObjectName("pysideCheck")
+        self.horizontalLayout.addWidget(self.pysideCheck)
+        self.verticalLayout.addLayout(self.horizontalLayout)
         self.loadBtn = QtGui.QPushButton(self.layoutWidget)
         self.loadBtn.setObjectName("loadBtn")
         self.verticalLayout.addWidget(self.loadBtn)
@@ -46,5 +55,7 @@ class Ui_Form(object):
 
     def retranslateUi(self, Form):
         Form.setWindowTitle(QtGui.QApplication.translate("Form", "Form", None, QtGui.QApplication.UnicodeUTF8))
+        self.pyqtCheck.setText(QtGui.QApplication.translate("Form", "Force PyQt", None, QtGui.QApplication.UnicodeUTF8))
+        self.pysideCheck.setText(QtGui.QApplication.translate("Form", "Force PySide", None, QtGui.QApplication.UnicodeUTF8))
         self.loadBtn.setText(QtGui.QApplication.translate("Form", "Load Example", None, QtGui.QApplication.UnicodeUTF8))
 

examples/initExample.py

 ## make this version of pyqtgraph importable before any others
 import sys, os
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..')))
+
+if 'pyside' in sys.argv:  ## should force example to use PySide instead of PyQt
+    import PySide
+elif 'pyqt' in sys.argv: 
+    import PyQt4

functions.py

@@ -22,7 +22,7 @@ SI_PREFIXES_ASCII = 'yzafpnum kMGTPEZY'
 
 
 
-from .Qt import QtGui, QtCore
+from .Qt import QtGui, QtCore, USE_PYSIDE
 import numpy as np
 import decimal, re
 import ctypes
@@ -846,8 +846,12 @@ def makeQImage(imgData, alpha=None, copy=True, transpose=True):
     if copy is True and copied is False:
         imgData = imgData.copy()
         
-    addr = ctypes.addressof(ctypes.c_char.from_buffer(imgData, 0))
-    img = QtGui.QImage(addr, imgData.shape[1], imgData.shape[0], imgFormat)
+    if USE_PYSIDE:
+        ch = ctypes.c_char.from_buffer(imgData, 0)
+        img = QtGui.QImage(ch, imgData.shape[1], imgData.shape[0], imgFormat)
+    else:
+        addr = ctypes.addressof(ctypes.c_char.from_buffer(imgData, 0))
+        img = QtGui.QImage(addr, imgData.shape[1], imgData.shape[0], imgFormat)
     img.data = imgData
     return img
     #try:
@@ -869,13 +873,19 @@ def imageToArray(img, copy=False, transpose=True):
     the QImage is collected before the array, there may be trouble).
     The array will have shape (width, height, (b,g,r,a)).
     """
-    ptr = img.bits()
-    ptr.setsize(img.byteCount())
     fmt = img.format()
+    ptr = img.bits()
+    if USE_PYSIDE:
+        arr = np.frombuffer(ptr, dtype=np.ubyte)
+    else:
+        ptr.setsize(img.byteCount())
+        arr = np.asarray(ptr)
+    
     if fmt == img.Format_RGB32:
-        arr = np.asarray(ptr).reshape(img.height(), img.width(), 3)
+        arr = arr.reshape(img.height(), img.width(), 3)
     elif fmt == img.Format_ARGB32 or fmt == img.Format_ARGB32_Premultiplied:
-        arr = np.asarray(ptr).reshape(img.height(), img.width(), 4)
+        arr = arr.reshape(img.height(), img.width(), 4)
+    
     if copy:
         arr = arr.copy()
         

graphicsItems/LegendItem.py

@@ -28,6 +28,7 @@ class LegendItem(GraphicsWidget):
     def addItem(self, item, title):
         """
         Add a new entry to the legend. 
+
         =========== ========================================================
         Arguments
         item        A PlotDataItem from which the line and point style

graphicsItems/ScatterPlotItem.py

-from pyqtgraph.Qt import QtGui, QtCore
+from pyqtgraph.Qt import QtGui, QtCore, USE_PYSIDE
 from pyqtgraph.Point import Point
 import pyqtgraph.functions as fn
 from .GraphicsItem import GraphicsItem
@@ -681,7 +681,7 @@ class ScatterPlotItem(GraphicsObject):
                     
             p.resetTransform()
             
-            if self.opts['useCache']:
+            if not USE_PYSIDE and self.opts['useCache']:
                 p.drawPixmapFragments(self.fragments, atlas)
             else:
                 for i in range(len(self.data)):