def decode(self, label):
if label == b'':
return u''
if not have_idna_2008:
raise NoIDNA2008
try:
if self.uts_46:
label = idna.uts46_remap(label, False, False)
return _escapify(idna.ulabel(label), True)
except idna.IDNAError as e:
raise IDNAException(idna_exception=e)
def encode(self, label):
if label == '':
return b''
if self.allow_pure_ascii and self.is_all_ascii(label):
return label.encode('ascii')
if not have_idna_2008:
raise NoIDNA2008
try:
if self.uts_46:
label = idna.uts46_remap(label, False, self.transitional)
return idna.alabel(label)
except idna.IDNAError as e:
raise IDNAException(idna_exception=e)
def encode(self, label):
if label == '':
return b''
if self.allow_pure_ascii and self.is_all_ascii(label):
return label.encode('ascii')
if not have_idna_2008:
raise NoIDNA2008
try:
if self.uts_46:
label = idna.uts46_remap(label, False, self.transitional)
return idna.alabel(label)
except idna.IDNAError as e:
raise IDNAException(idna_exception=e)
def decode(self, label):
if not self.strict_decode:
return super(IDNA2008Codec, self).decode(label)
if label == b'':
return u''
if not have_idna_2008:
raise NoIDNA2008
try:
if self.uts_46:
label = idna.uts46_remap(label, False, False)
return _escapify(idna.ulabel(label), True)
except idna.IDNAError as e:
raise IDNAException(idna_exception=e)
def decode(self, label):
if not self.strict_decode:
return super().decode(label)
if label == b'':
return ''
if not have_idna_2008:
raise NoIDNA2008
try:
ulabel = idna.ulabel(label)
if self.uts_46:
ulabel = idna.uts46_remap(ulabel, False, self.transitional)
return _escapify(ulabel)
except (idna.IDNAError, UnicodeError) as e:
raise IDNAException(idna_exception=e)
def _idna_encode(label, idna_2008, uts_46, std3_rules, transitional):
if label == '':
return b''
if idna_2008:
if not have_idna_2008:
raise NoIDNA2008
if uts_46:
label = idna.uts46_remap(label, std3_rules, transitional)
label = idna.alabel(label)
else:
try:
label = encodings.idna.ToASCII(label)
except UnicodeError:
raise LabelTooLong
return label
def encode(self, label):
if label == '':
return b''
if self.allow_pure_ascii and is_all_ascii(label):
encoded = label.encode('ascii')
if len(encoded) > 63:
raise LabelTooLong
return encoded
if not have_idna_2008:
raise NoIDNA2008
try:
if self.uts_46:
label = idna.uts46_remap(label, False, self.transitional)
return idna.alabel(label)
except idna.IDNAError as e:
if e.args[0] == 'Label too long':
raise LabelTooLong
else:
raise IDNAException(idna_exception=e)