51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
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import datetime
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import time
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EPOCH = datetime.datetime(
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year=1993,
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month=9,
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day=1,
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tzinfo=datetime.timezone.utc,
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)
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def normalize_date(date):
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if isinstance(date, datetime.datetime):
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pass
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elif isinstance(date, (int, float)):
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date = datetime.datetime.utcfromtimestamp(date)
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date = date.replace(tzinfo=datetime.timezone.utc)
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else:
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raise TypeError('Unrecognized date type.')
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return date
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def now():
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return datetime.datetime.now(datetime.timezone.utc)
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def september_day(date):
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'''
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Return the ES day of the month for this date.
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'''
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date = normalize_date(date)
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diff = date - EPOCH
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days = diff.days + 1
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return days
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def september_string(date, strftime):
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'''
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Return the ES formatted string for this date.
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'''
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date = normalize_date(date)
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day = str(september_day(date))
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strftime = strftime.replace('%a', date.strftime('%a'))
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strftime = strftime.replace('%A', date.strftime('%A'))
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strftime = strftime.replace('%d', day)
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strftime = strftime.replace('%-d', day)
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date = date.replace(month=EPOCH.month, year=EPOCH.year)
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return date.strftime(strftime)
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if __name__ == '__main__':
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print(september_string(now(), '%Y %B %d %H:%M:%S'))
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