Esempio n. 1
0
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))
Esempio n. 2
0
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))
Esempio n. 3
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 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
Esempio n. 4
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    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
Esempio n. 5
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 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)