Python dis-白红宇

Python dis

阅读量：7120 次

发布时间：2019-06-28

本文共 1204 字，大约阅读时间需要 4 分钟。

Disassembler for Python bytecode

def myfunc(alist):    return len(alist)import disdis.dis(myfunc)#  2           0 LOAD_GLOBAL              0 (len)#              2 LOAD_FAST                0 (alist)#              4 CALL_FUNCTION            1#              6 RETURN_VALUE

def world():    aa = defaultdict({}})dis.dis(world)#  2           0 LOAD_GLOBAL              0 (defaultdict)#              2 BUILD_MAP                0#              4 CALL_FUNCTION            1#              6 STORE_FAST               0 (aa)#              8 LOAD_CONST               0 (None)#             10 RETURN_VALUE

from collections import defaultdictdef hello():    tree = lambda: defaultdict(tree)dis.dis(hello)#  2           0 LOAD_CLOSURE             0 (tree)#              2 BUILD_TUPLE              1#              4 LOAD_CONST               1 ( at 0x00000000027D15D0, file "
     
      ", line 2>)#              6 LOAD_CONST               2 ('hello.
      
       .
       
        ')#              8 MAKE_FUNCTION            8#             10 STORE_DEREF              0 (tree)#             12 LOAD_CONST               0 (None)#             14 RETURN_VALUE