Log the exception when writing to file fails.

Set the default encoding from wxGetDefaultPyEncoding again.
Recover from encoding errors when writing the memory file.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34657 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/wx/tools/XRCed/tree.py

@@ -20,9 +20,14 @@ class MemoryFile:
         self.buffer = ''
     def write(self, data):
         if g.currentEncoding:
-            self.buffer += data.encode(g.currentEncoding)
+            encoding = g.currentEncoding
         else:
-            self.buffer += data.encode()
+            encoding = wxGetDefaultPyEncoding()
+        try:
+            self.buffer += data.encode(encoding)
+        except UnicodeEncodeError:
+            self.buffer += data.encode(encoding, 'xmlcharrefreplace')
+            
     def close(self):
         wxMemoryFSHandler_AddFile(self.name, self.buffer)