Switched to using True/False in the wxPython lib and demo instead of

true/false or TRUE/FALSE to prepare for the new boolean type and
constants being added to Python.  Added code to wx.py to test for the
existence of the new constants and to create suitable values if not
present.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@19335 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/_extras.py

@@ -595,14 +595,25 @@ wxPen        = wxPyPen
 wxScrollbar  = wxScrollBar
 wxPoint2D    = wxPoint2DDouble
 
+# Use Python's bool constants if available, make aliases if not
+try:
+    True
+except NameError:
+    True = 1==1
+    False = 1==0
+
+
 # backwards compatibility
-wxNoRefBitmap       = wxBitmap
-wxPyDefaultPosition = wxDefaultPosition
-wxPyDefaultSize     = wxDefaultSize
-NULL                = None
+wxNoRefBitmap           = wxBitmap
+wxPyDefaultPosition     = wxDefaultPosition
+wxPyDefaultSize         = wxDefaultSize
+NULL                    = None
 wxSystemSettings_GetSystemColour = wxSystemSettings_GetColour
 wxSystemSettings_GetSystemFont   = wxSystemSettings_GetFont
 wxSystemSettings_GetSystemMetric = wxSystemSettings_GetMetric
+false = FALSE = False
+true = TRUE = True
+
 
 # workarounds for bad wxRTTI names
 __wxPyPtrTypeMap['wxGauge95']    = 'wxGauge'
@@ -679,8 +690,8 @@ def wxPy_isinstance(obj, klasses):
     import types
     if sys.version[:3] < "2.2" and type(klasses) in [types.TupleType, types.ListType]:
         for klass in klasses:
-            if isinstance(obj, klass): return true
-        return false
+            if isinstance(obj, klass): return True
+        return False
     else:
         return isinstance(obj, klasses)
 
@@ -770,7 +781,7 @@ class wxPyOnDemandOutputWindow:
             self.text  = wxTextCtrl(self.frame, -1, "",
                                     style = wxTE_MULTILINE|wxTE_READONLY)
             self.frame.SetSize(wxSize(450, 300))
-            self.frame.Show(true)
+            self.frame.Show(True)
             EVT_CLOSE(self.frame, self.OnCloseWindow)
         self.text.AppendText(str)
 
@@ -791,7 +802,7 @@ class wxApp(wxPyApp):
     error = 'wxApp.error'
     outputWindowClass = wxPyOnDemandOutputWindow
 
-    def __init__(self, redirect=_defRedirect, filename=None, useBestVisual=false):
+    def __init__(self, redirect=_defRedirect, filename=None, useBestVisual=False):
         wxPyApp.__init__(self)
         self.stdioWin = None
         self.saveStdio = (sys.stdout, sys.stderr)
@@ -843,7 +854,7 @@ class wxPySimpleApp(wxApp):
         wxApp.__init__(self, flag)
     def OnInit(self):
         wxInitAllImageHandlers()
-        return true
+        return True
 
 
 class wxPyWidgetTester(wxApp):
@@ -854,11 +865,11 @@ class wxPyWidgetTester(wxApp):
     def OnInit(self):
         self.frame = wxFrame(None, -1, "Widget Tester", pos=(0,0), size=self.size)
         self.SetTopWindow(self.frame)
-        return true
+        return True
 
     def SetWidget(self, widgetClass, *args):
         w = apply(widgetClass, (self.frame,) + args)
-        self.frame.Show(true)
+        self.frame.Show(True)
 
 #----------------------------------------------------------------------------
 # DO NOT hold any other references to this object.  This is how we