[Python-ideas] Dynamic code NOPing

[anatoly techtonik]

For the logging module it will be extremely useful if Python included a way
to disactivate processing certain blocks to avoid making sacrifices between
extensive logging harness and performance. For example, instead of writing:

if log.DEBUG==True:
  log(factorial(2**15))

It should be possible to just write:
  log(factorial(2**15))

if if log() is an instance of some Nopable class, the statement in log's
braces is not executed.
-- 
anatoly t.
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