def validate(self, value):
if not isinstance(value, unicode):
if not IRichTextData.providedBy(value):
raise WrongType(value, IRichTextData)
if self.required:
if not value.text:
raise RequiredMissing()
return super(RichText, self).validate(value)
def __eq__(self, other):
if IRichTextData.providedBy(other):
if (self.format == other.format) and (self.text == other.text):
return True
return False