def __str__(self):
# __str__ is used for serialization
if self.value == self.original_value:
# If unchanged, return the raw original value without decoding/encoding.
return PdfString.from_bytes(self.raw_original_value)
else:
# If the value changed, encode it from Unicode according to the encoding
# of the font that is active at the location of this token.
return PdfString.from_bytes(fromUnicode(self.value, self.font, fontcache))
def encode(self, value):
x = PdfString.encode(value)
if isinstance(value, type(u'')):
y = PdfString.from_unicode(value)
else:
y = PdfString.from_bytes(value)
self.assertEqual(x, y)
return x