Handling 3 operands in an expression without raising an exception

[Jussi Piitulainen]

Νίκος writes:

> And i don't mean like this:
> 
> if not city:
> 	city ="blabla"
> if not host:
> 	host="blablabla"
> 
> 
> Can thes be witten without and if perhaps with the use of 'or'
> operator in 1-line within the except clause?

try:
  ...
except socket.gaierror as e:
  # watch out, a composition of bad advice (on demand)
  city, host = ( ('city' in locals() or "blabla"),
                 ('host' in locals() or "blablabla") )