[Python-Dev] Example for PEP 343

[Phillip J. Eby]

At 02:42 PM 5/17/2005 -0700, Michael Chermside wrote:

># ===== SAMPLE #1: increasing precision during a sub-calculation =====
>
>import decimal
>
>@do_template
>def with_extra_precision(places=2):
>     "Performs nested computation with extra digits of precision."
>     decimal.getcontext().prec += 2
>     yield None
>     decimal.getcontext().prec -= 2

Won't this do the wrong thing if something within the block alters the 
precision?