Bruno Desthuilliers wrote: > Tim N. van der Leeuw a écrit : > > Hi, > > > > I'd like to know if there's a way to check if an object is a sequence, > > or an iterable. Something like issequence() or isiterable(). > > > > Does something like that exist? (Something which, in case of iterable, > > doesn't consume the first element of the iterable) > > isiterable = lambda obj: isinstance(obj, basestring) \ > or getattr(obj, '__iter__', False) > > > Should cover most cases.
Yes, that seems to cover all cases I can think of, indeed. Funny though, that string objects do not have an '__iter__' method, but are still iterable... But it will make most of my use-cases easier: Often I want to iterate over something, if it's an iterable, except when it's a string. Thanks, --Tim -- http://mail.python.org/mailman/listinfo/python-list
