def __new__(cls, val, encodings):
"""Return unicode string after conversion of each part
val -- the PN value to store
encodings -- a list of python encodings, generally found
from pydicom.charset.python_encodings mapping
of values in DICOM data element (0008,0005).
"""
# in here to avoid circular import
from pydicom.charset import clean_escseq
# Make the possible three character encodings explicit:
if not isinstance(encodings, list):
encodings = [encodings] * 3
if len(encodings) == 2:
encodings.append(encodings[1])
components = val.split(b"=")
# Remove the first encoding if only one component is present
if (len(components) == 1):
del encodings[0]
comps = [
clean_escseq(C.decode(enc), encodings)
for C, enc in zip(components, encodings)
]
new_val = u"=".join(comps)
return compat.text_type.__new__(cls, new_val)
def decode(self, encodings=None):
encodings = self._verify_encodings(encodings)
from pydicom.charset import clean_escseq
if not isinstance(self.components[0], bytes):
comps = self.components
else:
comps = [clean_escseq(comp.decode(enc), encodings)
for comp, enc in zip(self.components, encodings)]
while len(comps) and not comps[-1]:
comps.pop()
return PersonName3('='.join(comps), encodings)
def decode(self, encodings=None):
encodings = self._verify_encodings(encodings)
from pydicom.charset import clean_escseq
if not isinstance(self.components[0], bytes):
comps = self.components
else:
comps = [clean_escseq(comp.decode(enc), encodings)
for comp, enc in zip(self.components, encodings)]
while len(comps) and not comps[-1]:
comps.pop()
return PersonName3('='.join(comps), encodings)
