def dis(x=None):
"""Disassemble classes, methods, functions, or code.
With no argument, disassemble the last traceback.
"""
if x is None:
dismodule.distb()
return
if hasattr(x, '__func__'):
x = x.__func__
if hasattr(x, '__code__'):
x = getattr(x, '__code__')
if isinstance(x, FunctionType):
x = sys.get_func_code(x)
if hasattr(x, '__dict__'):
items = sorted(x.__dict__.items())
for name, x1 in items:
if isinstance(x1, (types.MethodType, types.FunctionType,
types.CodeType, type)):
print("Disassembly of %s:" % name)
try:
dis(x1)
except TypeError as msg:
print("Sorry:", msg)
print()
elif hasattr(x, 'co_code'):
dismodule.disassemble(x)
elif isinstance(x, (bytes, bytearray)):
dismodule.disassemble_string(x)
else:
raise TypeError("don't know how to disassemble %s objects" %
type(x).__name__)
def all_interpret(code_obj):
i = 0
code = code_obj.co_code
while 0 <= i < len(code):
print i
c = code[i]
op = ord(c)
if op >= HAVE_ARGUMENT:
oparg = ord(code[i + 1]) + ord(code[i + 2]) * 256
i += 3
try:
dis.disassemble_string(code[i - 3: i])
if op == opmap['LOAD_FAST']:
print '\tLocal LOAD [%s]' % code_obj.co_varnames[oparg]
elif op == opmap['STORE_FAST']:
print '\tLocal STORE [%s]' % code_obj.co_varnames[oparg]
elif op == opmap['LOAD_CONST']:
print '\t%s' % code_obj.co_consts[oparg]
elif op == opmap['STORE_GLOBAL']:
print '\tGlobal STORE [%s]' % code_obj.co_names[oparg]
elif op == opmap['LOAD_GLOBAL']:
print '\tGLOBAL LOAD [%s]' % code_obj.co_names[oparg]
except:
pass
else:
i += 1
try:
dis.disassemble_string(code[i - 1: i])
except:
pass
def dis(x=None):
"""Disassemble classes, methods, functions, or code.
With no argument, disassemble the last traceback.
"""
if x is None:
dismodule.distb()
return
if hasattr(x, '__func__'):
x = x.__func__
if hasattr(x, '__code__'):
x = getattr(x, '__code__')
if isinstance(x, FunctionType):
x = sys.get_func_code(x)
if hasattr(x, '__dict__'):
items = sorted(x.__dict__.items())
for name, x1 in items:
if isinstance(
x1,
(types.MethodType, types.FunctionType, types.CodeType, type)):
print("Disassembly of %s:" % name)
try:
dis(x1)
except TypeError as msg:
print("Sorry:", msg)
print()
elif hasattr(x, 'co_code'):
dismodule.disassemble(x)
elif isinstance(x, (bytes, bytearray)):
dismodule.disassemble_string(x)
else:
raise TypeError("don't know how to disassemble %s objects" %
type(x).__name__)
if hasattr(x, '__dict__'):
items = x.__dict__.items()
items.sort()
for name, x1 in items:
if type(x1) in (types.MethodType, types.FunctionType,
types.CodeType, types.ClassType):
print "Disassembly of %s:" % name
try:
dis(x1)
except TypeError, msg:
print "Sorry:", msg
print
elif hasattr(x, 'co_code'):
dismodule.disassemble(x)
elif isinstance(x, str):
dismodule.disassemble_string(x)
else:
raise TypeError, \
"don't know how to disassemble %s objects" % \
type(x).__name__
def getargspec(func):
"""Get the names and default values of a function's arguments.
A tuple of four things is returned: (args, varargs, varkw, defaults).
'args' is a list of the argument names (it may contain nested lists).
'varargs' and 'varkw' are the names of the * and ** arguments or None.
'defaults' is an n-tuple of the default values of the last n arguments.
"""
x = sys.get_func_code(x)
if hasattr(x, "__dict__"):
items = x.__dict__.items()
items.sort()
for name, x1 in items:
if type(x1) in (types.MethodType, types.FunctionType, types.CodeType, types.ClassType):
print "Disassembly of %s:" % name
try:
dis(x1)
except TypeError, msg:
print "Sorry:", msg
print
elif hasattr(x, "co_code"):
dismodule.disassemble(x)
elif isinstance(x, str):
dismodule.disassemble_string(x)
else:
raise TypeError, "don't know how to disassemble %s objects" % type(x).__name__
def getargspec(func):
"""Get the names and default values of a function's arguments.
A tuple of four things is returned: (args, varargs, varkw, defaults).
'args' is a list of the argument names (it may contain nested lists).
'varargs' and 'varkw' are the names of the * and ** arguments or None.
'defaults' is an n-tuple of the default values of the last n arguments.
"""
if inspect.ismethod(func):
func = func.im_func
def interactive_interpret(code_obj):
i = 0
stack = []
values = {}
code = code_obj.co_code
jump = False
divide = False
while 0 <= i < len(code):
try:
if not jump and not divide:
ins = raw_input('\n' + str(i))
if ins.startswith('+'):
i += int(ins[1:])
elif ins.startswith('='):
i = int(ins[1:])
jump = False
print stack[::-1]
print values
c = code[i]
op = ord(c)
if op >= HAVE_ARGUMENT:
oparg = ord(code[i + 1]) + ord(code[i + 2]) * 256
i += 3
dis.disassemble_string(code[i - 3: i])
if op == opmap['JUMP_ABSOLUTE']:
i = oparg
jump = True
elif op == opmap['JUMP_FORWARD']:
i += oparg
jump = True
elif op == opmap['LOAD_FAST']:
stack.append(values.get(code_obj.co_varnames[oparg], code_obj.co_varnames[oparg]))
print '\tLocal LOAD [%s]' % code_obj.co_varnames[oparg]
elif op == opmap['STORE_FAST']:
if code_obj.co_varnames[oparg] == 'DIVIDER':
divide = True
values[code_obj.co_varnames[oparg]] = stack.pop()
print '\tLocal STORE [%s]' % code_obj.co_varnames[oparg]
elif op == opmap['LOAD_CONST']:
stack.append(code_obj.co_consts[oparg])
print '\t%s' % code_obj.co_consts[oparg]
elif op == opmap['STORE_GLOBAL']:
values[code_obj.co_names[oparg]] = stack.pop()
print '\tGlobal STORE [%s]' % code_obj.co_names[oparg]
elif op == opmap['LOAD_GLOBAL']:
stack.append(values.get(code_obj.co_names[oparg], code_obj.co_names[oparg]))
print '\tGLOBAL LOAD [%s]' % code_obj.co_names[oparg]
elif op == opmap['COMPARE_OP']:
result = eval("%s%s%s" % (stack.pop(), cmp_op[oparg], stack.pop()))
stack.append(result)
elif op == opmap['POP_JUMP_IF_TRUE'] and stack.pop():
divide = False
i = oparg
jump = True
elif op == opmap['POP_JUMP_IF_FALSE'] and not stack.pop():
divide = False
i = oparg
jump = True
elif op == opmap['LOAD_ATTR']:
stack.append(stack.pop() + '.' + code_obj.co_names[oparg])
elif op == opmap['CALL_FUNCTION']:
ret = []
for _ in range(oparg + 1):
ret.append(str(stack.pop()))
stack.append('%s(%s)' % (ret[-1], ', '.join(ret[-2::-1])))
elif op == opmap['FOR_ITER']:
exhausted = raw_input('=====Exhausted? (y/n)=====') == 'y'
if exhausted:
stack.pop()
i += oparg
else:
stack.append('iter_value')
elif op == opmap['BUILD_SLICE']:
ret = []
for _ in range(oparg):
ret.append(str(stack.pop()))
stack.append('[%s]' % ':'.join(ret))
elif op == opmap['IMPORT_NAME']:
stack.pop()
stack.pop()
stack.append(code_obj.co_names[oparg])
print 'Import:: %s' % code_obj.co_names[oparg]
elif op == opmap['STORE_NAME']:
values[code_obj.co_names[oparg]] = stack.pop()
print '\tName STORE [%s]' % code_obj.co_names[oparg]
elif op == opmap['LOAD_NAME']:
stack.append(values.get(code_obj.co_names[oparg], code_obj.co_names[oparg]))
print '\tName LOAD [%s]' % code_obj.co_names[oparg]
else:
i += 1
if op == opmap['PRINT_ITEM']:
print 'PRINT: %s' % stack.pop()
elif op == opmap['POP_TOP']:
stack.pop()
elif op == opmap['GET_ITER']:
stack.append('iter(%s)' % stack.pop())
elif opname[op].startswith('BINARY'):
stack.append('%s(%s, %s)' % (opname[op], stack.pop(), stack.pop()))
elif op == opmap['INPLACE_ADD']:
stack.append('%s + %s' % (stack.pop(), stack.pop()))
elif op == opmap['SLICE+3']:
ret = []
for _ in range(3):
ret.append(stack.pop())
stack.append('%s[%d:%d]' % (ret[-1], ret[-2], ret[-3]))
dis.disassemble_string(code[i - 1: i])
except:
pass
#https://mp.weixin.qq.com/s/1TcCCBV8noAhahupI1Xi2Q
import marshal
import dis
f = open('py.pyc', 'rb')
f.read(8)
code = marshal.load(f)
print code.co_consts
print code.co_names
count = code.co_consts[6]
print count.co_varnames
print count.co_consts
dis.disassemble_string(count.co_code)
