def _build(self, obj, stream, context, path):
if not isinstance(obj, integertypes):
raise IntegerError("value is not an integer")
if obj < 0:
raise IntegerError(
"asn1length cannot build from negative number: %r" % (obj, ))
num = obj
if num < 0x80:
stream_write(stream, int2byte(num), 1)
else:
acc = b""
while num != 0:
acc += int2byte(num & 0xFF)
num >>= 8
stream_write(stream, int2byte(0x80 | len(acc)), 1)
stream_write(stream, swapbytes(acc))
return obj
def _build(self, obj, stream, context, path):
modulus = self.modulus(context) if callable(self.modulus) else self.modulus
bits_to_add = (modulus - len(stream.wbuffer)) % modulus
stream_write(stream, self.pattern * bits_to_add, bits_to_add)