X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d14a1e28567de23c586bc80017073d0c39f8d18f..7599afcd67e2b96df0f335700bcdb809aaa27b41:/wxPython/src/_core_ex.py

diff --git a/wxPython/src/_core_ex.py b/wxPython/src/_core_ex.py
index b26ed2113f..0bb3c2e8b4 100644
--- a/wxPython/src/_core_ex.py
+++ b/wxPython/src/_core_ex.py
@@ -1,15 +1,14 @@
 #----------------------------------------------------------------------------
 
-# Use Python's bool constants if available, make aliases if not
+# Use Python's bool constants if available, make some if not
 try:
     True
 except NameError:
-    True = 1==1
-    False = 1==0
+    __builtins__.True = 1==1
+    __builtins__.False = 1==0
+    def bool(value): return not not value
+    __builtins__.bool = bool
 
-# Backwards compaatibility
-TRUE  = true  = True
-FALSE = false = False
 
 
 # workarounds for bad wxRTTI names
@@ -36,7 +35,6 @@ if RELEASE_VERSION != _core.RELEASE_VERSION:
 class PyDeadObjectError(AttributeError):
     pass
 
-
 class _wxPyDeadObject(object):
     """
     Instances of wx objects that are OOR capable will have their __class__
@@ -46,15 +44,46 @@ class _wxPyDeadObject(object):
     reprStr = "wxPython wrapper for DELETED %s object! (The C++ object no longer exists.)"
     attrStr = "The C++ part of the %s object has been deleted, attribute access no longer allowed."
 
-    def __repr__( self ):
+    def __repr__(self):
         if not hasattr(self, "_name"):
             self._name = "[unknown]"
         return self.reprStr % self._name
 
-    def __getattr__( self, *args ):
+    def __getattr__(self, *args):
         if not hasattr(self, "_name"):
             self._name = "[unknown]"
-        raise PyDeadObjectError( self.attrStr % self._name )
+        raise PyDeadObjectError(self.attrStr % self._name)
+
+    def __nonzero__(self):
+        return 0
+
+
+
+class PyUnbornObjectError(AttributeError):
+    pass
+
+class _wxPyUnbornObject(object):
+    """
+    Some stock objects are created when the wx.core module is
+    imported, but their C++ instance is not created until the wx.App
+    object is created and initialized.  These object instances will
+    temporarily have their __class__ changed to this class so an
+    exception will be raised if they are used before the C++ instance
+    is ready.
+    """
+
+    reprStr = "wxPython wrapper for UNBORN object! (The C++ object is not initialized yet.)"
+    attrStr = "The C++ part of this object has not been initialized, attribute access not allowed."
+
+    def __repr__(self):
+        #if not hasattr(self, "_name"):
+        #    self._name = "[unknown]"
+        return self.reprStr #% self._name
+
+    def __getattr__(self, *args):
+        #if not hasattr(self, "_name"):
+        #    self._name = "[unknown]"
+        raise PyUnbornObjectError(self.attrStr) # % self._name )
 
     def __nonzero__(self):
         return 0
@@ -90,7 +119,7 @@ def CallAfter(callable, *args, **kw):
 
 class FutureCall:
     """
-    A convenience class for wxTimer, 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.
@@ -107,6 +136,7 @@ class FutureCall:
         self.callable = callable
         self.SetArgs(*args, **kwargs)
         self.runCount = 0
+        self.running = False
         self.hasRun = False
         self.result = None
         self.timer = None
@@ -128,6 +158,7 @@ class FutureCall:
         self.Stop()
         self.timer = wx.PyTimer(self.Notify)
         self.timer.Start(self.millis, wx.TIMER_ONE_SHOT)
+        self.running = True
     Restart = Start
 
 
@@ -174,9 +205,12 @@ class FutureCall:
         """
         if self.callable and getattr(self.callable, 'im_self', True):
             self.runCount += 1
+            self.running = False
             self.result = self.callable(*self.args, **self.kwargs)
         self.hasRun = True
-        wx.CallAfter(self.Stop)
+        if not self.running:
+            # if it wasn't restarted, then cleanup
+            wx.CallAfter(self.Stop)
 
 
 #----------------------------------------------------------------------------
@@ -189,5 +223,10 @@ from windows import *
 from controls import *
 from misc import *
 
+
+# Fixup the stock objects since they can't be used yet.  (They will be
+# restored in wx.PyApp.OnInit.)
+_core._wxPyFixStockObjects()
+
 #----------------------------------------------------------------------------
 #----------------------------------------------------------------------------