'[1219035] cleanup: miscellaneous' and minor source cleaning.

[wxWidgets.git] / wxPython / src / _core_ex.py

diff --git a/wxPython/src/_core_ex.py b/wxPython/src/_core_ex.py
index d9d121fa52d4c184f4bb069e4f5979c57e19d310..5ad0d81365bc2e83cdbfb950258cfea74564d9f4 100644 (file)
--- a/wxPython/src/_core_ex.py
+++ b/wxPython/src/_core_ex.py
@@ -19,16 +19,45 @@ __wxPyPtrTypeMap['wxStatusBar95']   = 'wxStatusBar'
 
 #----------------------------------------------------------------------------
 # Load version numbers from __version__...  Ensure that major and minor
-# versions are the same for both wxPython and wxWindows.
+# versions are the same for both wxPython and wxWidgets.
 
 from __version__ import *
 __version__ = VERSION_STRING
 
-assert MAJOR_VERSION == _core_.MAJOR_VERSION, "wxPython/wxWindows version mismatch"
-assert MINOR_VERSION == _core_.MINOR_VERSION, "wxPython/wxWindows version mismatch"
+assert MAJOR_VERSION == _core_.MAJOR_VERSION, "wxPython/wxWidgets version mismatch"
+assert MINOR_VERSION == _core_.MINOR_VERSION, "wxPython/wxWidgets version mismatch"
 if RELEASE_VERSION != _core_.RELEASE_VERSION:
     import warnings
-    warnings.warn("wxPython/wxWindows release number mismatch")
+    warnings.warn("wxPython/wxWidgets release number mismatch")
+
+#----------------------------------------------------------------------------
+
+# Set wxPython's default string<-->unicode conversion encoding from
+# the locale, but only if Python's default hasn't been changed.  (We
+# assume that if the user has customized it already then that is the
+# encoding we need to use as well.)
+#
+# The encoding selected here is used when string or unicode objects
+# need to be converted in order to pass them to wxWidgets.  Please be
+# aware that the default encoding within the same locale may be
+# slightly different on different platforms.  For example, please see
+# http://www.alanwood.net/demos/charsetdiffs.html for differences
+# between the common latin/roman encodings.
+
+default = _sys.getdefaultencoding()
+if default == 'ascii':
+    import locale
+    import codecs
+    try:
+        default = locale.getdefaultlocale()[1]
+        codecs.lookup(default)
+    except (ValueError, LookupError, TypeError):
+        default = _sys.getdefaultencoding()
+    del locale
+    del codecs
+if default:
+    wx.SetDefaultPyEncoding(default)
+del default
 
 #----------------------------------------------------------------------------
 
@@ -90,7 +119,6 @@ class _wxPyUnbornObject(object):
 
 
 #----------------------------------------------------------------------------
-_wxPyCallAfterId = None
 
 def CallAfter(callable, *args, **kw):
     """
@@ -102,27 +130,25 @@ def CallAfter(callable, *args, **kw):
     :see: `wx.FutureCall`
     """
     app = wx.GetApp()
-    assert app, 'No wxApp created yet'
+    assert app is not None, 'No wx.App created yet'
 
-    global _wxPyCallAfterId
-    if _wxPyCallAfterId is None:
-        _wxPyCallAfterId = wx.NewEventType()
-        app.Connect(-1, -1, _wxPyCallAfterId,
-              lambda event: event.callable(*event.args, **event.kw) )
+    if not hasattr(app, "_CallAfterId"):
+        app._CallAfterId = wx.NewEventType()
+        app.Connect(-1, -1, app._CallAfterId,
+                    lambda event: event.callable(*event.args, **event.kw) )
     evt = wx.PyEvent()
-    evt.SetEventType(_wxPyCallAfterId)
+    evt.SetEventType(app._CallAfterId)
     evt.callable = callable
     evt.args = args
     evt.kw = kw
     wx.PostEvent(app, evt)
 
-
 #----------------------------------------------------------------------------
 
 
 class FutureCall:
     """
-    A convenience class for wx.Timer, that calls the given callable
+    A convenience class for `wx.Timer`, that calls the given callable
     object once after the given amount of milliseconds, passing any
     positional or keyword args.  The return value of the callable is
     availbale after it has been run with the `GetResult` method.