| import logging | |
| logging.basicConfig(level=logging.INFO) | |
| logger = logging.getLogger("log") | |
| def simple(): | |
| if logger.isEnabledFor(logging.DEBUG): | |
| logger.debug('Stupid log message ' + ' '.join([str(i) for i in range(20)])) | |
| class LazyJoin(object): | |
| def __init__(self, s=None, items=None): | |
| self.__call__(s, items) | |
| def __call__(self, s, items): | |
| self.s = s | |
| self.items = items | |
| def __str__(self): | |
| return self.s.join(self.items) | |
| def no_lazy(): | |
| logger.debug('Stupid log message %s', ' '.join([str(i) for i in range(20)])) | |
| def original_lazy(): | |
| logger.debug('Stupid log message %s', | |
| LazyJoin(' ', (str(i) for i in range(20)))) | |
| def callable_lazy(lazy_log): | |
| logger.debug('Stupid log message %s', lazy_log(' ', (str(i) for i in range(20)))) | |
| def no_arguments_lazy(lazy_log): | |
| logger.debug('Stupid log message %s', lazy_log) | |
| if __name__ == '__main__': | |
| import timeit | |
| print(min(timeit.repeat("simple()", setup="from __main__ import simple"))) | |
| print(min(timeit.repeat("no_lazy()", setup="from __main__ import no_lazy"))) | |
| print(min(timeit.repeat("original_lazy()", setup="from __main__ import original_lazy"))) | |
| print(min(timeit.repeat("callable_lazy(lazy_log)", setup="from __main__ import callable_lazy, LazyJoin; " | |
| "lazy_log = LazyJoin()"))) | |
| print(min(timeit.repeat("no_arguments_lazy(lazy_log)", | |
| setup="from __main__ import no_arguments_lazy, LazyJoin; " | |
| "lazy_log = LazyJoin(' ', (str(i) for i in range(20)))"))) |
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