yield pp
+SET01 = frozenset(("0", "1"))
+
+
class BitString(Obj):
"""``BIT STRING`` bit string type
):
if value.endswith("'B"):
value = value[1:-2]
- if not set(value) <= set(("0", "1")):
+ if not frozenset(value) <= SET01:
raise ValueError("B's coding contains unacceptable chars")
return self._bits2octets(value)
elif value.endswith("'H"):
bits.append(bit)
if len(bits) == 0:
return self._bits2octets("")
- bits = set(bits)
+ bits = frozenset(bits)
return self._bits2octets("".join(
("1" if bit in bits else "0")
for bit in six_xrange(max(bits) + 1)
def allowable_chars(self):
if PY2:
return self._allowable_chars
- return set(six_unichr(c) for c in self._allowable_chars)
+ return frozenset(six_unichr(c) for c in self._allowable_chars)
class NumericString(AllowableCharsMixin, CommonString):
tag_default = tag_encode(18)
encoding = "ascii"
asn1_type_name = "NumericString"
- _allowable_chars = set(digits.encode("ascii") + b" ")
+ _allowable_chars = frozenset(digits.encode("ascii") + b" ")
def _value_sanitize(self, value):
value = super(NumericString, self)._value_sanitize(value)
- if not set(value) <= self._allowable_chars:
+ if not frozenset(value) <= self._allowable_chars:
raise DecodeError("non-numeric value")
return value
tag_default = tag_encode(19)
encoding = "ascii"
asn1_type_name = "PrintableString"
- _allowable_chars = set(
+ _allowable_chars = frozenset(
(ascii_letters + digits + " '()+,-./:=?").encode("ascii")
)
def _value_sanitize(self, value):
value = super(PrintableString, self)._value_sanitize(value)
- if not set(value) <= self._allowable_chars:
+ if not frozenset(value) <= self._allowable_chars:
raise DecodeError("non-printable value")
return value