64 lines
1.5 KiB
Python
64 lines
1.5 KiB
Python
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# -*- coding: utf-8 -*-
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import datetime
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import sys
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import time
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from typing import Optional
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# Only factor of 1000
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SI_PREFIXES_LARGE = "kMGTPEZY"
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SI_PREFIXES_SMALL = "mµnpfazy"
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def humanize_number(data, unit: str = ""):
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counter = 0
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while data >= 1000:
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data /= 1000
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counter += 1
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if counter >= len(SI_PREFIXES_LARGE):
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break
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while data < 1:
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data *= 1000
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counter -= 1
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if abs(counter) >= len(SI_PREFIXES_SMALL):
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break
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if not counter:
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prefix = ""
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elif counter > 0:
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prefix = SI_PREFIXES_LARGE[counter - 1]
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elif counter < 0:
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prefix = SI_PREFIXES_SMALL[abs(counter) - 1]
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return f"{data:.3g} {prefix}{unit}"
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def log(*message: object, **kwargs):
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print(datetime.datetime.utcnow().isoformat(" "), *message, **kwargs)
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sys.stdout.flush()
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class Periodical:
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prev: float
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interval: float
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def __init__(self, interval: float, start: Optional[float] = None):
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self.prev = time.time() - interval if start is None else start
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self.interval = interval
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def __call__(self, now: Optional[float] = None) -> bool:
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if now is None:
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now = time.time()
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if (now - self.prev) >= self.interval:
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skipped, overshoot = divmod(now - self.prev, self.interval)
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skipped -= 1
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if skipped:
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log("Skipped:", skipped, overshoot, now - self.prev, self.interval)
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self.prev = now - overshoot
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return True
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return False
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