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- import re
- multipliers = {
- 's': 1,
- 'm': 60,
- 'h': 60*60,
- 'd': 24*60*60,
- 'w': 7*24*60*60,
- 'y': 365*24*60*60
- }
- def parse(s):
- secs = 0.0
- items = re.split(r'\s', s)
- for item in items:
- match = re.match('^(?P<amount>[0-9]+)(?P<unit>.*)$', item)
- if not match:
- continue # ignore
- unit = match.group('unit').lower()
- if unit not in multipliers:
- continue # ignore
- multiplier = multipliers[unit]
- secs += float(match.group('amount')) * multiplier
- return secs
- testcases = [
- ( '10s', 10),
- ('1m 1s', 61),
- ('20m 20s', 1220),
- ('1w 3d 2h 4m 5s', 10*24*60*60+7200+240+5),
- ('1W 3D 2H 4M 5S', 10*24*60*60+7200+240+5),
- ('', 0),
- (' ', 0),
- (' 1m 3s ', 63)
- ]
- if __name__ == '__main__':
- for input, output in testcases:
- real = parse(input)
- if real != output:
- print "%r gives %r, not %r" % (input, real, output)
- print 'done'
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