preliminary attempt to make py-dsv work with wxPython 3.0

--- DSV/DSV.py.orig
+++ DSV/DSV.py
@@ -134,7 +134,7 @@ import os
 os.putenv('LANG', 'C')
 
 try:
-    from wxPython import wx, grid
+    from wx import wx, grid
 except ImportError:
     wx = None
 
@@ -625,19 +625,19 @@ def exportDSV(input, delimiter = ',', textQualifier = '"', quoteall = 0, newline
 
 if wx is not None:
     # ------------------------------------------------------------------------------
-    class ImportWizardPanel_Delimiters(wx.wxPanel):
+    class ImportWizardPanel_Delimiters(wx.Panel):
         """
         CLASS(SUPERCLASS):
-          ImportWizardPanel_Delimiters(wx.wxPanel)
+          ImportWizardPanel_Delimiters(wx.Panel)
         DESCRIPTION:
-          A wx.wxPanel that provides a basic interface for validating and changing the
+          A wx.Panel that provides a basic interface for validating and changing the
           parameters for importing a delimited text file. Similar to MS Excel's
           CSV import wizard. Can be used in a series of wizards or embedded in an
           application.
         PROTOTYPE:
           ImportWizardPanel_Delimiters(parent, id, file, data, isValidCallback = None,
-                                       pos = wx.wxDefaultPosition, size = wx.wxDefaultSize,
-                                       style = wx.wxTAB_TRAVERSAL, name = 'ImportWizardPanel')
+                                       pos = wx.DefaultPosition, size = wx.DefaultSize,
+                                       style = wx.TAB_TRAVERSAL, name = 'ImportWizardPanel')
         ARGUMENTS:
           - parent is the parent window
           - id is the id of this wizard panel
@@ -657,24 +657,24 @@ if wx is not None:
         """
 
         def __init__(self, parent, id, file, data, isValidCallback = None,
-                     pos = wx.wxDefaultPosition, size = wx.wxDefaultSize,
-                     style = wx.wxTAB_TRAVERSAL, name = "ImportWizardPanel"):
-            wx.wxPanel.__init__(self, parent, id, pos, size, style, name)
-            self.SetAutoLayout(wx.true)
-            mainSizer = wx.wxFlexGridSizer(3, 1)
+                     pos = wx.DefaultPosition, size = wx.DefaultSize,
+                     style = wx.TAB_TRAVERSAL, name = "ImportWizardPanel"):
+            wx.Panel.__init__(self, parent, id, pos, size, style, name)
+            self.SetAutoLayout(True)
+            mainSizer = wx.FlexGridSizer(3, 1)
             self.SetSizer(mainSizer)
             mainSizer.AddGrowableCol(0)
 
-            self.initialized = wx.false
+            self.initialized = False
             self.data = data
             self.isValidCallback = isValidCallback
             self.Validate = (isValidCallback and self.Validate) or self.BuildPreview
 
-            dlg = wx.wxProgressDialog("Import Wizard",
+            dlg = wx.ProgressDialog("Import Wizard",
                                    "Analyzing %s... Please wait." % file,
                                    3,
                                    parent,
-                                   wx.wxPD_APP_MODAL | wx.wxPD_AUTO_HIDE)
+                                   wx.PD_APP_MODAL | wx.PD_AUTO_HIDE)
             textQualifier = guessTextQualifier(data)
             dlg.Update(1)
             newdata = organizeIntoLines(data, textQualifier = textQualifier, limit = 100)
@@ -686,13 +686,13 @@ if wx is not None:
             # -------------
             msg = ("This screen lets you set the delimiters your data contains.\n"
                    "You can see how your data is affected in the preview below.")
-            message1 = wx.wxStaticText(self, -1, msg)
+            message1 = wx.StaticText(self, -1, msg)
 
             # -------------
-            delimiterBox = wx.wxBoxSizer(wx.wxHORIZONTAL)
-            delimStaticBox = wx.wxStaticBox(self, -1, "Delimiters")
-            delimStaticSizer = wx.wxStaticBoxSizer(delimStaticBox, wx.wxVERTICAL)
-            delimGridSizer = wx.wxFlexGridSizer(2, 3)
+            delimiterBox = wx.BoxSizer(wx.HORIZONTAL)
+            delimStaticBox = wx.StaticBox(self, -1, "Delimiters")
+            delimStaticSizer = wx.StaticBoxSizer(delimStaticBox, wx.VERTICAL)
+            delimGridSizer = wx.FlexGridSizer(2, 3)
 
             delims = {
                 'Tab':       '\t',
@@ -704,36 +704,36 @@ if wx is not None:
             self.delimChecks = {}
 
             for label, value in delims.items():
-                self.delimChecks[value] = wx.wxCheckBox(self, -1, label)
-                delimGridSizer.Add(self.delimChecks[value], 0, wx.wxALL, 3)
+                self.delimChecks[value] = wx.CheckBox(self, -1, label)
+                delimGridSizer.Add(self.delimChecks[value], 0, wx.ALL, 3)
                 wx.EVT_CHECKBOX(self, self.delimChecks[value].GetId(), self.Validate)
 
-            otherSizer = wx.wxBoxSizer(wx.wxHORIZONTAL)
+            otherSizer = wx.BoxSizer(wx.HORIZONTAL)
 
-            self.delimChecks['Other'] = wx.wxCheckBox(self, -1, 'Other:')
+            self.delimChecks['Other'] = wx.CheckBox(self, -1, 'Other:')
             wx.EVT_CHECKBOX(self, self.delimChecks['Other'].GetId(), self.Validate)
 
-            self.otherDelim = wx.wxTextCtrl(self, -1, size = (20, -1))
+            self.otherDelim = wx.TextCtrl(self, -1, size = (20, -1))
             wx.EVT_TEXT(self, self.otherDelim.GetId(), self.OnCustomDelim)
 
             if self.delimChecks.has_key(delimiter):
-                self.delimChecks[delimiter].SetValue(wx.true)
+                self.delimChecks[delimiter].SetValue(True)
             elif delimiter is not None:
-                self.delimChecks['Other'].SetValue(wx.true)
+                self.delimChecks['Other'].SetValue(True)
                 self.otherDelim.SetValue(delimiter)
 
             otherSizer.AddMany([
-                (self.delimChecks['Other'], 0, wx.wxALL, 3),
-                (self.otherDelim, 0, wx.wxALIGN_CENTER),
+                (self.delimChecks['Other'], 0, wx.ALL, 3),
+                (self.otherDelim, 0, wx.ALIGN_CENTER),
                 ])
             
             delimGridSizer.Add(otherSizer)
-            delimStaticSizer.Add(delimGridSizer, 1, wx.wxEXPAND)
-            delimOtherSizer = wx.wxBoxSizer(wx.wxVERTICAL)
-            self.consecutiveDelimsAs1 = wx.wxCheckBox(self, -1, "Treat consecutive delimiters as one")
-            self.consecutiveDelimsAs1.Enable(wx.false)
-            tqSizer = wx.wxBoxSizer(wx.wxHORIZONTAL)
-            self.textQualifierChoice = wx.wxChoice(self, -1, choices = ['"', "'", "{None}"])
+            delimStaticSizer.Add(delimGridSizer, 1, wx.EXPAND)
+            delimOtherSizer = wx.BoxSizer(wx.VERTICAL)
+            self.consecutiveDelimsAs1 = wx.CheckBox(self, -1, "Treat consecutive delimiters as one")
+            self.consecutiveDelimsAs1.Enable(False)
+            tqSizer = wx.BoxSizer(wx.HORIZONTAL)
+            self.textQualifierChoice = wx.Choice(self, -1, choices = ['"', "'", "{None}"])
             wx.EVT_CHOICE(self, self.textQualifierChoice.GetId(), self.BuildPreview)
             if textQualifier is not None:
                 self.textQualifierChoice.SetStringSelection(textQualifier)
@@ -741,52 +741,52 @@ if wx is not None:
                 self.textQualifierChoice.SetStringSelection('{None}')
                 
             tqSizer.AddMany([
-                (wx.wxStaticText(self, -1, "Text qualifier:"), 0, wx.wxALIGN_RIGHT | wx.wxALIGN_CENTER_VERTICAL),
-                (self.textQualifierChoice, 0, wx.wxALL | wx.wxALIGN_LEFT | wx.wxALIGN_CENTER_VERTICAL, 5),
+                (wx.StaticText(self, -1, "Text qualifier:"), 0, wx.ALIGN_RIGHT | wx.ALIGN_CENTER_VERTICAL),
+                (self.textQualifierChoice, 0, wx.ALL | wx.ALIGN_LEFT | wx.ALIGN_CENTER_VERTICAL, 5),
                 ])
             
             delimOtherSizer.AddMany([
-                (self.consecutiveDelimsAs1, 1, wx.wxEXPAND | wx.wxALL, 5),
-                (tqSizer, 1, wx.wxALL | wx.wxALIGN_CENTER, 5),
+                (self.consecutiveDelimsAs1, 1, wx.EXPAND | wx.ALL, 5),
+                (tqSizer, 1, wx.ALL | wx.ALIGN_CENTER, 5),
                 ])
 
             delimiterBox.AddMany([
-                (delimStaticSizer, 0, wx.wxALIGN_CENTER),
-                (delimOtherSizer,  0, wx.wxALIGN_CENTER),
+                (delimStaticSizer, 0, wx.ALIGN_CENTER),
+                (delimOtherSizer,  0, wx.ALIGN_CENTER),
                 ])
             
             delimStaticBox.Fit()
 
             # -------------
             self.displayRows = 6
-            previewSettingsBox = wx.wxBoxSizer(wx.wxHORIZONTAL)
-            self.hasHeaderRow = wx.wxCheckBox(self, -1, "First row is header")
+            previewSettingsBox = wx.BoxSizer(wx.HORIZONTAL)
+            self.hasHeaderRow = wx.CheckBox(self, -1, "First row is header")
             wx.EVT_CHECKBOX(self, self.hasHeaderRow.GetId(), self.BuildPreview)
 
-            if wx.wxPlatform in ('__WX.WXGTK__', '__WX.WXMSW__'):
-                # wx.wxSpinCtrl causes seg fault under GTK when <enter> is hit in text - use wx.wxSpinButton instead
-                self.previewRowsText = wx.wxTextCtrl(self, -1, str(self.displayRows),
-                                                  size = (30, -1), style = wx.wxTE_PROCESS_ENTER)
+            if wx.Platform in ('__WX.WXGTK__', '__WX.WXMSW__'):
+                # wx.SpinCtrl causes seg fault under GTK when <enter> is hit in text - use wx.SpinButton instead
+                self.previewRowsText = wx.TextCtrl(self, -1, str(self.displayRows),
+                                                  size = (30, -1), style = wx.TE_PROCESS_ENTER)
                 h = self.previewRowsText.GetSize().height
-                self.previewRows = wx.wxSpinButton(self, -1, size = (-1, h), style = wx.wxSP_VERTICAL)
+                self.previewRows = wx.SpinButton(self, -1, size = (-1, h), style = wx.SP_VERTICAL)
                 self.previewRows.SetRange(self.displayRows, 100)
                 self.previewRows.SetValue(self.displayRows)
                 wx.EVT_SPIN(self, self.previewRows.GetId(), self.OnSpinPreviewRows)
                 wx.EVT_TEXT_ENTER(self, self.previewRowsText.GetId(), self.OnTextPreviewRows)
             else:
-                self.previewRows = wx.wxSpinCtrl(self, -1, str(self.displayRows),
+                self.previewRows = wx.SpinCtrl(self, -1, str(self.displayRows),
                                               min = self.displayRows, max = 100, size = (50, -1))
                 wx.EVT_SPINCTRL(self, self.previewRows.GetId(), self.BuildPreview)
 
             previewSettingsBox.AddMany([
-                (self.hasHeaderRow, 1, wx.wxALL | wx.wxEXPAND, 5),
-                (wx.wxStaticText(self, -1, "Preview"), 0, wx.wxWEST | wx.wxALIGN_RIGHT | wx.wxALIGN_CENTER_VERTICAL, 10),
+                (self.hasHeaderRow, 1, wx.ALL | wx.EXPAND, 5),
+                (wx.StaticText(self, -1, "Preview"), 0, wx.WEST | wx.ALIGN_RIGHT | wx.ALIGN_CENTER_VERTICAL, 10),
                 ])
-            if wx.wxPlatform in ('__WX.WXGTK__', '__WX.WXMSW__'):
-                previewSettingsBox.Add(self.previewRowsText, 0, wx.wxALIGN_CENTER | wx.wxALL, 3)
+            if wx.Platform in ('__WX.WXGTK__', '__WX.WXMSW__'):
+                previewSettingsBox.Add(self.previewRowsText, 0, wx.ALIGN_CENTER | wx.ALL, 3)
             previewSettingsBox.AddMany([
-                (self.previewRows, 0, wx.wxALIGN_CENTER | wx.wxALL, 3),
-                (wx.wxStaticText(self, -1, "rows"), 0, wx.wxALIGN_RIGHT | wx.wxALIGN_CENTER_VERTICAL),
+                (self.previewRows, 0, wx.ALIGN_CENTER | wx.ALL, 3),
+                (wx.StaticText(self, -1, "rows"), 0, wx.ALIGN_RIGHT | wx.ALIGN_CENTER_VERTICAL),
                 ])
 
             # -------------
@@ -804,28 +804,28 @@ if wx is not None:
                 hasHeaders = 0
                 cols = 1
 
-            previewStaticBox = wx.wxStaticBox(self, -1, "Data Preview")
-            previewStaticSizer = wx.wxStaticBoxSizer(previewStaticBox, wx.wxVERTICAL)
-            self.preview = grid.wxGrid(self, -1)
+            previewStaticBox = wx.StaticBox(self, -1, "Data Preview")
+            previewStaticSizer = wx.StaticBoxSizer(previewStaticBox, wx.VERTICAL)
+            self.preview = grid.Grid(self, -1)
             self.preview.CreateGrid(self.displayRows, cols)
-            self.preview.SetDefaultRowSize(self.preview.GetCharHeight() + 4, wx.true)
-            self.preview.EnableEditing(wx.false)
+            self.preview.SetDefaultRowSize(self.preview.GetCharHeight() + 4, True)
+            self.preview.EnableEditing(False)
             self.preview.SetColLabelSize(0)
             self.preview.SetRowLabelSize(0)
             self.preview.SetMargins(1, 0)
-            self.initialized = wx.true
+            self.initialized = True
             self.BuildPreview()
 
             rowheight = self.preview.GetRowSize(0) + 2
             self.preview.SetSize((-1, rowheight * self.displayRows))
-            previewStaticSizer.Add(self.preview, 0, wx.wxALL | wx.wxEXPAND, 5)
+            previewStaticSizer.Add(self.preview, 0, wx.ALL | wx.EXPAND, 5)
 
             # -------------
             mainSizer.AddMany([
-                (message1,     0, wx.wxALL, 5),
-                (delimiterBox, 0, wx.wxALL, 5),
-                (previewSettingsBox, 0, wx.wxALL, 5),
-                (previewStaticSizer, 0, wx.wxALL | wx.wxEXPAND, 5),
+                (message1,     0, wx.ALL, 5),
+                (delimiterBox, 0, wx.ALL, 5),
+                (previewSettingsBox, 0, wx.ALL, 5),
+                (previewStaticSizer, 0, wx.ALL | wx.EXPAND, 5),
                 ])
 
             self.Layout()
@@ -855,9 +855,9 @@ if wx is not None:
             if not self.initialized:
                 return # got triggered before initialization was completed
 
-            if wx.wxPlatform != '__WX.WXGTK__':
-                wx.wxBeginBusyCursor() # causes a spurious spin event under GTK
-            wx.wxYield() # allow controls to update first, in case of slow preview
+            if wx.Platform != '__WX.WXGTK__':
+                wx.BeginBusyCursor() # causes a spurious spin event under GTK
+            wx.Yield() # allow controls to update first, in case of slow preview
             self.preview.BeginBatch()
             self.preview.DeleteCols(0, self.preview.GetNumberCols())
             self.preview.DeleteRows(0, self.preview.GetNumberRows())
@@ -892,7 +892,7 @@ if wx is not None:
                 for col in range(cols):
                     try:    self.preview.SetColLabelValue(col, str(previewData[0][col]))
                     except: self.preview.SetColLabelValue(col, "")
-                # self.preview.AutoSizeColumns(wx.true) # size columns to headers
+                # self.preview.AutoSizeColumns(True) # size columns to headers
             else:
                 self.preview.SetColLabelSize(0)
 
@@ -902,13 +902,13 @@ if wx is not None:
                     except: pass
 
             # if not hasHeaders:
-            self.preview.AutoSizeColumns(wx.true) # size columns to data
+            self.preview.AutoSizeColumns(True) # size columns to data
 
             rowheight = self.preview.GetRowSize(0)
             self.preview.SetRowSize(0, rowheight)
             self.preview.EndBatch()
-            if wx.wxPlatform != '__WX.WXGTK__':
-                wx.wxEndBusyCursor()
+            if wx.Platform != '__WX.WXGTK__':
+                wx.EndBusyCursor()
 
             self.delimiters = delimiter
             self.textQualifier = textQualifier
@@ -928,17 +928,17 @@ if wx is not None:
             return self.hasHeaders
 
     # ------------------------------------------------------------------------------        
-    class ImportWizardDialog(wx.wxDialog):
+    class ImportWizardDialog(wx.Dialog):
         """
         CLASS(SUPERCLASS):
-          ImportWizardDialog(wx.wxDialog)
+          ImportWizardDialog(wx.Dialog)
         DESCRIPTION:
           A dialog allowing the user to preview and change the options for importing
           a file.
         PROTOTYPE:
           ImportWizardDialog(parent, id, title, file,
-                             pos = wx.wxDefaultPosition, size = wx.wxDefaultSize,
-                             style = wx.wxDEFAULT_DIALOG_STYLE, name = 'ImportWizardDialog')
+                             pos = wx.DefaultPosition, size = wx.DefaultSize,
+                             style = wx.DEFAULT_DIALOG_STYLE, name = 'ImportWizardDialog')
         ARGUMENTS:
           - parent: the parent window
           - id: the id of this window
@@ -955,22 +955,22 @@ if wx is not None:
         """
 
         def __init__(self, parent, id, title, file,
-                     pos = wx.wxDefaultPosition, size = wx.wxDefaultSize,
-                     style = wx.wxDEFAULT_DIALOG_STYLE, name = "ImportWizardDialog"):
-            wx.wxDialog.__init__(self, parent, id, title, pos, size, style, name)
-            self.SetAutoLayout(wx.true)
+                     pos = wx.DefaultPosition, size = wx.DefaultSize,
+                     style = wx.DEFAULT_DIALOG_STYLE, name = "ImportWizardDialog"):
+            wx.Dialog.__init__(self, parent, id, title, pos, size, style, name)
+            self.SetAutoLayout(True)
 
             self.file = file
             f = open(file, 'r')
             self.data = f.read()
             f.close()
 
-            sizer = wx.wxBoxSizer(wx.wxVERTICAL)
+            sizer = wx.BoxSizer(wx.VERTICAL)
             self.delimPanel = ImportWizardPanel_Delimiters(self, -1, file, self.data, self.ValidState)
             buttonBox = self.ButtonBox()
             sizer.AddMany([
-                (self.delimPanel, 0, wx.wxALL, 5),
-                (buttonBox, 0, wx.wxSOUTH | wx.wxALIGN_CENTER_HORIZONTAL | wx.wxALIGN_TOP, 0),
+                (self.delimPanel, 0, wx.ALL, 5),
+                (buttonBox, 0, wx.SOUTH | wx.ALIGN_CENTER_HORIZONTAL | wx.ALIGN_TOP, 0),
                 ])
 
             self.SetSizer(sizer)
@@ -980,15 +980,15 @@ if wx is not None:
             self.Centre()
 
         def ButtonBox(self):
-            panel = wx.wxPanel(self, -1)
-            panel.SetAutoLayout(wx.true)
-            sizer = wx.wxBoxSizer(wx.wxHORIZONTAL)
+            panel = wx.Panel(self, -1)
+            panel.SetAutoLayout(True)
+            sizer = wx.BoxSizer(wx.HORIZONTAL)
             panel.SetSizer(sizer)
-            self.ok = wx.wxButton(panel, wx.wxID_OK, "Ok")
-            cancel = wx.wxButton(panel, wx.wxID_CANCEL, "Cancel")
+            self.ok = wx.Button(panel, wx.ID_OK, "Ok")
+            cancel = wx.Button(panel, wx.ID_CANCEL, "Cancel")
             sizer.AddMany([
-                (self.ok, 0, wx.wxALIGN_TOP | wx.wxEAST | wx.wxSOUTH, 10),
-                (cancel, 0, wx.wxALIGN_TOP | wx.wxWEST | wx.wxSOUTH, 10),
+                (self.ok, 0, wx.ALIGN_TOP | wx.EAST | wx.SOUTH, 10),
+                (cancel, 0, wx.ALIGN_TOP | wx.WEST | wx.SOUTH, 10),
                 ])
             panel.Layout()
             panel.Fit()
@@ -1002,11 +1002,11 @@ if wx is not None:
         def ImportData(self, errorHandler = skipRow):
             delimiters, qualifier, hasHeaders = self.GetImportInfo()
             self.data = organizeIntoLines(self.data, textQualifier = qualifier)
-            dlg = wx.wxProgressDialog("Import DSV File",
+            dlg = wx.ProgressDialog("Import DSV File",
                                    self.file,
                                    100,
                                    self,
-                                   wx.wxPD_CAN_ABORT | wx.wxPD_APP_MODAL | wx.wxPD_AUTO_HIDE)
+                                   wx.PD_CAN_ABORT | wx.PD_APP_MODAL | wx.PD_AUTO_HIDE)
             self.data = importDSV(self.data,
                                   delimiter = delimiters,
                                   textQualifier = qualifier,
@@ -1034,12 +1034,12 @@ if __name__ == '__main__':
 
 
     def demo():
-        class SampleApp(wx.wxApp):
+        class SampleApp(wx.App):
             def OnInit(self):
-                dlg = wx.wxFileDialog(None, "Choose a file", ".", "",
+                dlg = wx.FileDialog(None, "Choose a file", ".", "",
                                    "CSV files (*.csv)|*.csv|Text files (*.txt)|*.txt|All files (*.*)|*.*",
-                                   wx.wxOPEN)
-                if dlg.ShowModal() == wx.wxID_OK:
+                                   wx.OPEN)
+                if dlg.ShowModal() == wx.ID_OK:
                     path = dlg.GetPath()
                     dlg.Destroy()
 
@@ -1049,7 +1049,7 @@ if __name__ == '__main__':
                         file.write("LINE %d: %s\n" % (linenumber, oldrow))
 
                     dlg = ImportWizardDialog(None, -1, 'CSV Import Wizard (v.%s)' % __version__, path)
-                    if dlg.ShowModal() == wx.wxID_OK:
+                    if dlg.ShowModal() == wx.ID_OK:
                         results = dlg.ImportData(errorHandler = logErrors)
                         dlg.Destroy()
                         errorLog.close()
@@ -1074,7 +1074,7 @@ if __name__ == '__main__':
                 else:
                     dlg.Destroy()
 
-                return wx.true
+                return True
 
         app = SampleApp()
         app.MainLoop()
