modulefinder.py 文件源码

def scan_opcodes_25(self, co):
        # Scan the code, and yield 'interesting' opcode combinations
        code = co.co_code
        names = co.co_names
        consts = co.co_consts
        opargs = [(op, arg) for _, op, arg in _unpack_opargs(code)
                  if op != EXTENDED_ARG]
        for i, (op, oparg) in enumerate(opargs):
            if op in STORE_OPS:
                yield "store", (names[oparg],)
                continue
            if (op == IMPORT_NAME and i >= 2
                    and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
                level = consts[opargs[i-2][1]]
                fromlist = consts[opargs[i-1][1]]
                if level == -1: # normal import
                    yield "import", (fromlist, names[oparg])
                elif level == 0: # absolute import
                    yield "absolute_import", (fromlist, names[oparg])
                else: # relative import
                    yield "relative_import", (level, fromlist, names[oparg])
                continue