Add some helper functions for converting to/from Python datetime objects similar to what is in Classic.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@70899 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

etg/wxdatetime.py

@@ -351,6 +351,30 @@ def run():
         bool operator!=(const wxTimeSpan &ts) const;
         """))
     
+
+    #---------------------------------------------
+    # Convert to/from Python date objects
+    module.addPyFunction('pydate2wxdate', '(date)', 
+        doc='Convert a Python date or datetime to a wx.DateTime object',
+        body="""\
+            import datetime
+            assert isinstance(date, (datetime.datetime, datetime.date))
+            return DateTime(date)  # the built-in typemap will convert it for us
+        """)
+    
+    module.addPyFunction('wxdate2pydate', '(date)', 
+        doc='Convert a wx.DateTime object to a Python datetime.',
+        body="""\
+            import datetime
+            assert isinstance(date, DateTime)
+            if date.IsValid():
+                return datetime.datetime(date.year, date.month+1, date.day,
+                                         date.hour, date.minute, date.second, date.millisecond*1000)
+            else:
+                return None
+            """)
+    
+    
     
     #-----------------------------------------------------------------
     tools.doCommonTweaks(module)

unittests/test_wxdatetime.py

@@ -127,7 +127,16 @@ class datetime_Tests(wtc.WidgetTestCase):
         d2 = wx.DateTime()
         d2.ParseFormat(st, fmt)
         self.assertEqual(d, d2)
+
+
+    def test_datetimeConvertHelpers(self):
+        d1 = wx.DateTime(1, wx.DateTime.Mar, 2012, 8, 15, 45)
+        pd = wx.wxdate2pydate(d1)
+        d2 = wx.pydate2wxdate(pd)
+        self.assertTrue(isinstance(pd, datetime.datetime))
+        self.assertEqual(d1, d2)
         
+                                   
 #---------------------------------------------------------------------------