# uncomment this and experience the meaning of speed :-)
# from psyco import compact as object


class Property(object):
    "Emulate PyProperty_Type() in Objects/descrobject.c"
    def __init__(self, fget=None, fset=None, fdel=None, doc=None):
        self.fget = fget
        self.fset = fset
        self.fdel = fdel
        self.__doc__ = doc

    def __get__(self, obj, objtype=None):
        if obj is None:
            return self         
        if self.fget is None:
            raise AttributeError, "unreadable attribute"
        return self.fget(obj)

    def __set__(self, obj, value):
        if self.fset is None:
            raise AttributeError, "can't set attribute"
        self.fset(obj, value)

    def __delete__(self, obj):
        if self.fdel is None:
            raise AttributeError, "can't delete attribute"
        self.fdel(obj)


class F(object):
    def __init__(self):
        self.state = 0
        self.dummy = 0

    def get(self):
        self.state ^= 1
        return self.state

    def set(self, val):
        self.dummy = val

    a = property(get, set)
    b = Property(get, set)

f = F()

def time_property_get(n):
    total = 0
    f.state = 0
    for i in range(n):
        total += f.a 
    assert total == int((n + 1) / 2), total

def time_method_get(n):
    total = 0
    f.state = 0
    for i in range(n):
        total += f.get()
    assert total == int((n + 1) / 2), total

def time_pyproperty_get(n):
    total = 0
    f.state = 0
    for i in range(n):
        total += f.b
    assert total == int((n + 1) / 2), total

def time_property_set(n):
    for i in range(n):
         f.a = i 
    assert f.dummy == i

def time_method_set(n):
    for i in range(n):
         f.set(i) 
    assert f.dummy == i

def time_pyproperty_set(n):
    for i in range(n):
         f.b = i 
    assert f.dummy == i