def two_step_init(func):
"""
This is meant to be used on the classes init method, it always call the no
argument __init__, method. But if there are any arguments it also calls
the 'init' method. This allow an object to either be used with two stage
initialization or single.
>>> class Obj(object):
... @two_step_init
... def __init__(self):
... print '__init__'
... def init(self, param):
... print 'init'
... self.val = param
...
>>> a = Obj()
__init__
>>> a.init(1)
init
>>> b = Obj(1)
__init__
init
>>> a.val == b.val
True
"""
def new_init(func, self, *args, **kwargs):
# Call Class.__init__(self)
func(self)
# If called with any arguments, call the create method
if ((len(args) + len(kwargs)) > 0):
self.init(*args, **kwargs)
return decorator.decorate(func, new_init,
decorator.make_weak_signature(func))
def two_step_init(func):
"""
This is meant to be used on the classes init method, it always call the no
argument __init__, method. But if there are any arguments it also calls
the 'init' method. This allow an object to either be used with two stage
initialization or single.
>>> class Obj(object):
... @two_step_init
... def __init__(self):
... print '__init__'
... def init(self, param):
... print 'init'
... self.val = param
...
>>> a = Obj()
__init__
>>> a.init(1)
init
>>> b = Obj(1)
__init__
init
>>> a.val == b.val
True
"""
def new_init(func, self, *args, **kwargs):
# Call Class.__init__(self)
func(self)
# If called with any arguments, call the create method
if ((len(args) + len(kwargs)) > 0):
self.init(*args, **kwargs)
return decorator.decorate(func, new_init,
decorator.make_weak_signature(func))
def wrapper(func):
func._switch_state = False
func._state = start_state
def debounce_switch(func, self, key, down, mod_keys):
# Button down, and switch not already down
if down and not func._switch_state:
func._switch_state = True
func._state = not func._state
func(self, func._state)
# toggle off
elif not down:
func._switch_state = False
decorated_func = decorator.decorate(func, debounce_switch,
decorator.make_weak_signature(func))
return decorated_func
def wrapper(func):
func._switch_state = False
func._state = start_state
def debounce_switch(func, self, key, down, mod_keys):
# Button down, and switch not already down
if down and not func._switch_state:
func._switch_state = True
func._state = not func._state
func(self, func._state)
# toggle off
elif not down:
func._switch_state = False
decorated_func = decorator.decorate(
func, debounce_switch, decorator.make_weak_signature(func))
return decorated_func
def test_signature(self):
self.failUnless(decorator.make_weak_signature(bar)[1:3]==(
"_decorator__varargs", "_decorator__kwargs"))
self.failUnless(weakling(1,2)==2)
self.failUnless(new_sig(1,2)==2)