units.py
ArthurPSmith (Arthur Smith)
Actions

Authored By

	ArthurPSmith
	Oct 9 2015, 5:08 PM

Size

938 B

Referenced Files

None

Subscribers

None

units.py
View Options

	# time units and their values in multiples of seconds
	time_units= {
	11574: 1.0, # second
	7727: 60.0, # minute
	25235: 3600.0, # hour
	573: 86400.0, # day
	23387: 604800.0, # week
	5151: 2.630e6, # month (average)
	1092296: 3.156e7, # year (annum)
	577: 3.156e7, # year (calendar)
	723733: 1.0e-3, # millisecond
	842015: 1.0e-6, # microsecond
	838801: 1.0e-9, # nanosecond
	3902709: 1.0e-12, # picosecond
	1777507: 1.0e-15, # femtosecond
	2483628: 1.0e-18 # attosecond
	}

	def time_quantity_in_seconds(claim):
	amount = None
	if 'mainsnak' in claim:
	if 'datavalue' in claim['mainsnak']:
	quantity = claim['mainsnak']['datavalue']['value']
	amount = float(quantity['amount'])
	unit_uri = quantity['unit'] # Has form http://www.wikidata.org/entity/Q577
	unit_id = int(unit_uri.split('/')[-1].replace('Q',''))
	amount *= time_units[unit_id]
	return amount