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Add BYTEARRAY8 opcode #320

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Add BYTEARRAY8 opcode #320

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23 changes: 23 additions & 0 deletions fickling/fickle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2386,6 +2386,29 @@ class BinBytes8(BinBytes):
length_bytes = 8


class Bytearray8(DynamicLength, ConstantOpcode):
name = "BYTEARRAY8"
priority = BinBytes8.priority + 1
length_bytes = 8

def encode_body(self) -> bytes:
arg = self.arg
return arg if isinstance(arg, bytes) else bytes(arg)

@classmethod
def validate(cls, obj):
if not isinstance(obj, bytearray):
raise ValueError(f"{cls.__name__} must be instantiated with a bytearray, not {obj!r}")
return super().validate(obj)

def run(self, interpreter: Interpreter):
arg = self.arg
data = arg if isinstance(arg, bytes) else bytes(arg)
interpreter.stack.append(
ast.Call(ast.Name("bytearray", ast.Load()), [make_constant(data)], [])
)


class Long1(ConstantInt):
name = "LONG1"
num_bytes = 1
Expand Down