def normalize_fraction(self, value):
decimal = BaseDecimal(value, self.context)
normalized = decimal.normalize()
sign, digits, exponent = normalized.as_tuple()
if exponent > 0:
return BaseDecimal((sign, digits + (0, ) * exponent, 0),
self.context)
else:
return normalized
def format(self, value):
dvalue = BaseDecimal(value)
if not dvalue.is_normal() and dvalue != ZERO:
raise MarshallingException('Invalid Fixed precision number.')
return str(dvalue.quantize(self.precision, rounding=ROUND_HALF_EVEN))
def __init__(self, decimals=5, **kwargs):
super(Fixed, self).__init__(**kwargs)
self.precision = BaseDecimal('0.' + '0' * (decimals - 1) + '1')
def format(self, value):
return str(BaseDecimal(value))
def format(self, value):
try:
if self.dt_format == 'rfc822':
return _rfc822(value)
elif self.dt_format == 'iso8601':
return _iso8601(value)
else:
raise MarshallingException(
'Unsupported date format %s' % self.dt_format
)
except AttributeError as ae:
raise MarshallingException(ae)
ZERO = BaseDecimal()
class Fixed(Raw):
"""
A decimal number with a fixed precision.
"""
def __init__(self, decimals=5, **kwargs):
super(Fixed, self).__init__(**kwargs)
self.precision = BaseDecimal('0.' + '0' * (decimals - 1) + '1')
def format(self, value):
dvalue = BaseDecimal(value)
if not dvalue.is_normal() and dvalue != ZERO:
raise MarshallingException('Invalid Fixed precision number.')
return str(dvalue.quantize(self.precision, rounding=ROUND_HALF_EVEN))
def __call__(self, value):
return BaseDecimal(value, self.context)
def __call__(self, value):
value = super().__call__(value)
value = BaseDecimal(value)
return value