def from_quantity_units(cls, quantity, information_unit, duration_unit):
"""
Initialise a new speed object from a quantity and unit string.
:param quantity: The number of the unit.
:param information_unit: The information part of the unit, e.g. 'GiB'.
:param duration_unit: The duration part of the unit, e.g. 'week'.
:return: A `Speed` object representing the quantity and unit.
"""
information = Information.from_quantity_unit(quantity, information_unit)
duration = Duration.from_quantity_unit(1, duration_unit)
return Speed(information, duration)
def p_speed_constructor(self, p):
'speed : NUMBER speed_unit'
logger.debug('speed = number %s, speed unit %s', p[1], p[2])
information_unit, duration = p[2]
information = Information.from_quantity_unit(p[1], information_unit)
p[0] = information.in_duration(duration)
def p_information_constructor(self, p):
'information : NUMBER INFORMATION_UNIT'
logger.debug('information = number %s, information unit %s', p[1],
p[2])
p[0] = Information.from_quantity_unit(p[1], p[2])
def test_from_quantity_unit(self):
self.assertEqual(Information.from_quantity_unit(10.842, 'Gib'),
Information(10.842, Information.GIBIBITS))