[Python-Dev] cpython: Rename contextlib.ignored() to contextlib.ignore(). (original) (raw)
Victor Stinner victor.stinner at gmail.com
Wed Oct 16 14:01:37 CEST 2013
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2013/10/16 Antoine Pitrou <solipsis at pitrou.net>:
By the way, what are the performances of contextlib.ignore()? Exceptions can be slow in some cases. Adding something even slower would not be a good idea. A "try" block which succeeds is fast.
Ah yes, I never reminder this fact. I try to not care too much of micro-optimizations :-)
A context manager will always be slower, especially when written in pure Python with a generator wrapped in a contextlib.contextmanager.
ignore() is much slower than try/except even if the block succeeds?
Victor
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