def _render_decimal(value, places=2, min_places=2):
if value is not None:
roundfactor = "0." + "0" * (places - 1) + "1"
if value < 0:
roundfactor = "-" + roundfactor
value = round_decimal(val=value,
places=places,
roundfactor=roundfactor,
normalize=True)
parts = ("%f" % value).split('.')
n = parts[0]
d = ""
if len(parts) > 0:
d = parts[1]
elif min_places:
d = "0" * min_places
while len(d) < min_places:
d = "%s0" % d
while len(d) > min_places and d[-1] == '0':
d = d[:-1]
if len(d) > 0:
value = "%s.%s" % (n, d)
else:
value = n
return value
def _render_decimal(value, places=2, min_places=2):
if value is not None:
roundfactor = "0." + "0"*(places-1) + "1"
if value < 0:
roundfactor = "-" + roundfactor
value = round_decimal(val=value, places=places, roundfactor=roundfactor, normalize=True)
parts = ("%f" % value).split('.')
n = parts[0]
d = ""
if len(parts) > 0:
d = parts[1]
elif min_places:
d = "0" * min_places
while len(d) < min_places:
d = "%s0" % d
while len(d) > min_places and d[-1] == '0':
d = d[:-1]
if len(d) > 0:
value = "%s.%s" % (n, d)
else:
value = n
return value
def clean(self, value):
"""
Normalize the field according to cart normalizing rules.
"""
cartplaces = config_value('SHOP', 'CART_PRECISION')
roundfactor = config_value('SHOP', 'CART_ROUNDING')
if not value or value == '':
value = Decimal(0)
try:
value = round_decimal(val=value, places=cartplaces, roundfactor=roundfactor, normalize=True)
except RoundedDecimalError:
raise forms.ValidationError(_('%(value)s is not a valid number') % {'value' : value})
return value
def clean(self, value):
"""
Normalize the field according to cart normalizing rules.
"""
cartplaces = config_value('SHOP', 'CART_PRECISION')
roundfactor = config_value('SHOP', 'CART_ROUNDING')
if not value or value == '':
value = Decimal(0)
try:
value = round_decimal(val=value,
places=cartplaces,
roundfactor=roundfactor,
normalize=True)
except RoundedDecimalError:
raise forms.ValidationError(
_('%(value)s is not a valid number') % {'value': value})
return value
