jansenh a écrit : > hi comp.lang.python. > > I need some newbe advice on idiomatic use of Python dictionaries. > > I have service with a dictionary which holds a bunch of objects as > values, and an ID as key to each object. Then I want to change an > objects state based on its key.
class MyObj(object): def __init__(self, foo): self.foo = foo objs = { 'foo': MyObj('foo'), 'bar', MyObj('bar'), } objs['foo'].foo = 42 for key, obj in objs: print "%s : %s" % (key, obj.foo) > The way I am doing this now is by using > 'fromkeys' and copying my object over in a temporary dictionary, then > manipulating the object, and then I do an 'update' back to the main > dictionary.. :-0 My my my... > There has to be a smarter way? Indeed. Usually, with Python, "smarter" => "simplest" HTH -- http://mail.python.org/mailman/listinfo/python-list