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from ..widgets import ColorInput
from .html5 import StringField
class ColorField(StringField):
"""
A string field representing a Color object from python colour package.
.. _colours:
https://github.com/vaab/colour
Represents an ``<input type="color">``.
"""
widget = ColorInput()
error_msg = "Not a valid color."
def _value(self):
if self.raw_data:
return self.raw_data[0]
if self.data:
return str(self.data)
else:
return ""
def process_formdata(self, valuelist):
from colour import Color
if valuelist:
if valuelist[0] == "" or valuelist[0] == "":
self.data = None
else:
try:
self.data = Color(valuelist[0])
except AttributeError:
self.data = None
raise ValueError(self.gettext(self.error_msg))
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