>>>>> "FP" =3D=3D Fran=E7ois Pinard <pinard@iro.umontreal.ca> writes:
>> By the way, I wonder why the `_' in `sys._getframe()'.
>> To discourage people from using it.
FP> Why was it introduced then, since there was already a way
FP> without it? Execution speed, maybe?
Because
try:
1/0
except ZeroDivisionError:
return sys.exc_info()[2].tb_frame.f_back
is slow, hard to remember, and too magical. Also, sys._getframe()
gives you a better interface for getting frames farther back than
currentframe().
-Barry
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