"Murali" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > In Python, dictionaries can have any hashable value as a string. In > particular I can say > > d = {} > d[(1,2)] = "Right" > d["(1,2)"] = "Wrong" > d["key"] = "test" > > In order to print "test" using % substitution I can say > > print "%(key)s" % d > > Is there a way to print "Right" using % substitution? > > print "%((1,2))s" % d > > gives me "Wrong". Is there any syntax which will allow me to get > "Right" using % substitution? > One way would be to make an adapter to convert that string to a tuple: class adapter: def __init__(self, dc): self.dc = dc def __getitem__(self,item): return self.dc[eval(item)]
Then you could use this as: print "%((1,2))s" % adapter(d) I wouldn't actually recommend using eval in production code, due to the possible security issues, but I'm sure you could replace it with some more/better code. This is just an idea. -- http://mail.python.org/mailman/listinfo/python-list
