python 3 full compatibility

mixin/builtins.py

@@ -0,0 +1,51 @@
+
+def next(iterator, default=None):
+    if hasattr("next"):
+        return iterator.next()
+    else:
+        return iterator.__next__()
+    return default
+
+class property():
+    def __init__(self, fget, fset = None, fdel = None, doc = None):
+        self.fget = fget
+        self.fset = fset
+        self.fdel = fdel
+        self.__doc__ = doc
+
+    def __get__(self, obj, cls):
+        return self.fget(obj)
+
+    def __set__(self, obj, value):
+        self.fset(obj, value)
+
+    def __delete__(self, obj):
+        self.fdel(obj)
+
+    def setter(self, func):
+        self.fset = func
+        return self
+
+    def getter(self, func):
+        self.fget = func
+        return self
+
+    def deleter(self, func):
+        self.fdel = func
+        return self
+
+class staticmethod():
+    def __init__(self, func):
+        self.func = func
+
+    def __get__(self, obj, cls):
+        return self.func
+
+class classmethod():
+    def __init__(self, func):
+        self._func = func
+
+    def __get__(self, obj, cls):
+        def _method(*args, **kwargs):
+            self._func(cls, *args, **kwargs)
+        return _method