km wrote:
> Is there any handy untility for checking if a variable is populated at
> runtime ?
access it, and catch the NameError:
try:
variable
except NameError:
print "not defined"
else:
print "defined"
leaving variables undefined is usually bad style, though; if you can,
assign some value to it, and test for that value instead:
variable = None
... lots of code that may assign to variable ...
if variable is not None:
print "not defined"
</F>
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