Handle numbers of magnitude 2
parent
e4ff113dfc
commit
f31ebe6fcd
piker
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@ -9,10 +9,12 @@ def humanize(number):
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"""Convert large numbers to something with at most 3 digits and
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"""Convert large numbers to something with at most 3 digits and
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a letter suffix (eg. k: thousand, M: million, B: billion).
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a letter suffix (eg. k: thousand, M: million, B: billion).
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"""
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"""
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if number <= 0:
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if not number or number <= 0:
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return number
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return number
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mag2suffix = {3: 'k', 6: 'M', 9: 'B'}
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mag2suffix = {3: 'k', 6: 'M', 9: 'B'}
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mag = math.floor(math.log(number, 10))
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mag = math.floor(math.log(number, 10))
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if mag < 3:
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return number
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maxmag = max(itertools.takewhile(lambda key: mag >= key, mag2suffix))
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maxmag = max(itertools.takewhile(lambda key: mag >= key, mag2suffix))
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return "{:.3f}{}".format(number/10**maxmag, mag2suffix[maxmag])
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return "{:.3f}{}".format(number/10**maxmag, mag2suffix[maxmag])
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