55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
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import timeit
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from contextlib import contextmanager
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def _message_with_time(source, message, time):
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"""Create one line message for logging purposes.
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Parameters
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----------
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source : str
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String indicating the source or the reference of the message.
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message : str
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Short message.
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time : int
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Time in seconds.
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"""
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start_message = "[%s] " % source
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# adapted from joblib.logger.short_format_time without the Windows -.1s
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# adjustment
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if time > 60:
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time_str = "%4.1fmin" % (time / 60)
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else:
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time_str = " %5.1fs" % time
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end_message = " %s, total=%s" % (message, time_str)
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dots_len = 70 - len(start_message) - len(end_message)
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return "%s%s%s" % (start_message, dots_len * ".", end_message)
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@contextmanager
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def _print_elapsed_time(source, message=None):
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"""Log elapsed time to stdout when the context is exited.
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Parameters
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----------
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source : str
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String indicating the source or the reference of the message.
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message : str, default=None
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Short message. If None, nothing will be printed.
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Returns
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-------
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context_manager
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Prints elapsed time upon exit if verbose.
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"""
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if message is None:
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yield
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else:
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start = timeit.default_timer()
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yield
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print(_message_with_time(source, message, timeit.default_timer() - start))
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