def __init__(self, tokens, type=None):
self.tokens = tokens
self.units = {}
if tokens is None:
self.value = 0.0
elif isinstance(tokens, NumberValue):
self.value = tokens.value
self.units = tokens.units.copy()
if tokens.units:
type = None
elif isinstance(tokens, (StringValue, basestring)):
tokens = getattr(tokens, "value", tokens)
try:
if tokens and tokens[-1] == "%":
self.value = to_float(tokens[:-1]) / 100.0
self.units = {"%": _units_weights.get("%", 1), "_": "%"}
else:
self.value = to_float(tokens)
except ValueError:
raise ValueError("Value is not a Number! (%s)" % tokens)
elif isinstance(tokens, (int, float)):
# TODO i don't like this; should store the original and only divide
# when converting. requires fixing __str__ though
self.value = float(tokens) * _conv_factor.get(type, 1.0)
else:
raise ValueError("Can't convert to CSS number: %s" % repr(tokens))
if type is not None:
self.units = {type: _units_weights.get(type, 1), "_": type}
def convert_to(self, type):
val = self.value
if not self.unit:
val *= _conv_factor.get(type, 1.0)
ret = NumberValue(val)
if type == 'deg' and ret.value > 360:
ret.value = ret.value % 360.0
ret.units = {type: _units_weights.get(type, 1), '_': type}
return ret
def __str__(self):
unit = self.unit
val = self.value / _conv_factor.get(unit, 1.0)
val = to_str(val) + unit
return val
