Sorry, I forgot a 'object' inside class A declaration. The correct code is:
class A(object):
pass
2011/3/25 Daniel Catarino Biscalchin <[email protected]>:
> Hi,
>
> I am trying to correct the bug #9340 by editing the visit_class method
> in file pylint/checkers/classes.py.
> I am adding a else statement to the try clause as shown below:
>
> def visit_class(self, node):
> (...)
> if node.type == 'class':
> try:
> attr_list = node.local_attr('__init__')
> meth = attr_list[0] # get the __init__ method
> except astng.NotFoundError:
> self.add_message('W0232', args=node, node=node)
> else: # here begins the verification
> defined_in = meth.parent.frame() # the class
> in which the __init__
> method was defined
> if defined_in != node: # if the __init__
> method was not defined in
> this class
> to_call = []
> for base_node in
> node.ancestors(recurs=False):
> if base_node != defined_in:
> try:
>
> base_node.local_attr('__init__')
> except
> astng.NotFoundError:
> continue
> else:
>
> to_call.append(base_node) # the base_node has a __init__
> method not inherited (then, not called)
> for base_node in to_call:
> self.add_message('W0231',
> args=base_node.name, node=node)
>
> Basically, what I am trying to do is adding a W0231 message for each
> base class which has a not inherited __init__ method.
> The problem is that when I execute using the input shown below,
> defined_in is assigned with the class object. But executing this code
> results in "B constructor". Since the method executed came from B, is
> that behavior correct?
> I've noticed that inverting the base classes in the class C
> declaration makes it work properly.
>
> class A():
> pass
>
> class B(object):
> def __init__(self):
> print "B constructor"
>
> class C(A, B):
> pass
>
> C()
>
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