variables exist

[Gerald Klix]

try:
  myVariable
except NameError:
  print "Not bound"
else:
  print "Bound"

If you want to distinguish between the local an the global environment:

if globals().has_key( "myVariable" ):
  ...

versus

if locals().has_key( ".....


HTH,
Gerald

fabian schrieb:
> how testing if a variable exists in python as isset in php??
> 
> thanks

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