56 lines
1.2 KiB
Python
56 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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import re
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import random
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from typing import Tuple
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from pprint import pprint
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from datetime import datetime, timedelta
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TIME_UNITS = {
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's': 'seconds',
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'm': 'minutes',
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'h': 'hours',
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'd': 'days',
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'w': 'weeks',
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'mon': 'months',
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'y': 'years',
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}
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pp = pprint
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def date_from_iso(date: str) -> datetime:
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return datetime.strptime(date, '%Y-%m-%dT%H:%M:%S.%fZ')
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def time_delta(text: str) -> timedelta:
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match = re.match(r'(\d+)(s|m|h|mon|w|y)', text)
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if match:
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num, unit = match.groups()
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num = int(num)
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unit = TIME_UNITS[unit]
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if unit == 'mon':
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num *= 4
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elif unit == 'y':
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num *= 52
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return timedelta(**{unit: num})
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def parse_int(val: str, select: bool = True) -> Tuple[int, str]:
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try:
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val = int(val)
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if val is not 0:
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if val < 1:
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order = 'desc'
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val *= -1
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else:
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order = 'asc'
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if select:
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val -= 1
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return val, order
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except ValueError:
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pass
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def re_generator(low: int = 5, high: int = 20) -> str:
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return 'R{}'.format(''.join('E' for _ in range(random.randint(low, high))))
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