duduool / bytecode

Python module to modify bytecode

bytecode

bytecode is a Python module to generate and modify bytecode.

• bytecode project homepage at GitHub (code, bugs)
• bytecode documentation
• Download latest bytecode release at the Python Cheeseshop (PyPI)

Install bytecode: python3 -m pip install bytecode. It requires Python 3.4 or newer.

Example executing print('Hello World!'):

from bytecode import Instr, Bytecode

bytecode = Bytecode([Instr("LOAD_NAME", 'print'),
                     Instr("LOAD_CONST", 'Hello World!'),
                     Instr("CALL_FUNCTION", 1),
                     Instr("POP_TOP"),
                     Instr("LOAD_CONST", None),
                     Instr("RETURN_VALUE")])
code = bytecode.to_code()
exec(code)