Thanks a lot.
Because I found a solution about static method from
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52304
And that's a little bit difficult to understand.
# direct, naive approach -- doesn't work...:
class Class1:
def static1(name):
print "Hello",name
# ...but now, a call such as:
Class1.static1("John")
# will fail with a TypeError, as 'static1' has become
# an unbound-method object, not a plain function.
# This is easy to solve with a simple tiny wrapper:
class Callable:
def __init__(self, anycallable):
self.__call__ = anycallable
# toy-example usage:
class Class2:
def static2(name):
print "Hi there",name
static2 = Callable(static2)
# now, a call such as:
Class2.static2("Peter")
# works just fine, and as-expected
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