--b, The only data type in python that has a keys() method is a dictionary. Unless it is a record array (http://www.scipy.org/RecordArrays) there is no information on variable names contained in the object. However, even record arrays don't have a keys() method.
Vincent On 1/4/07 1:18 PM, "belinda thom" <[EMAIL PROTECTED]> wrote: > Hello, > > I wrote a "display obj" method for viewing instance data: > > def dobj(obj) : > """extended object viewer that displays arg""" > print 'Class: ', obj.__class__.__name__, ' id:', id(obj) > for k in obj.__dict__.keys() : > print ' ', k, ': ', obj.__dict__[k], ' id:', id(obj.__dict__ > [k]) > > > and I'm wondering why it doesn't work on ndarrays: > >>>> m = numpy.zeros(3) >>>> dobj(m) > > complains because: > > AttributeError: 'numpy.ndarray' object has no attribute '__dict__' > > I am also fairly new to python, but would have thought all objects > had dictionaries, especially when they are comprised of other things, > e.g. > > dir(m) > > produces a slew of components, e.g. > > tofile, ..., transpose, ..., view, etc. > > Thanks for any insight. > > --b > > _______________________________________________ > Numpy-discussion mailing list > [email protected] > http://projects.scipy.org/mailman/listinfo/numpy-discussion > _______________________________________________ Numpy-discussion mailing list [email protected] http://projects.scipy.org/mailman/listinfo/numpy-discussion
