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[原创]cython逆向-语言特性分析
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发表于: 2024-6-21 21:12
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之前遇到的很多python题目逆向都是pyc的逆向比较简单，最近遇到了很多cython的题目，但是不太清楚原理做的就很难受，这里就想梳理一下cython的原理
这里引自官方文档：
Cython - an overview — Cython 3.1.0a0 documentation
Cython是一种编程语言，可以编写 C 扩展 对于 Python 语言来说，就像 Python 本身一样简单 它旨在成为 语言的超集，赋予它高级， 面向对象、函数式和动态编程。
主要的 Python 执行环境通常称为 CPython用 C 语言编写的。 其他主要实现使用 Java 和 Python 本身 。
它的主要特点 ：
Cython 项目最初基于著名的 [Pyrex Pyrex] 已经通过源代码编译器解决了这个问题 将 Python 代码转换为等效的 C 代码
特性：
与大多数 Python 软件不同，Cython 需要在系统上存在 C 编译器
GNU C 编译器（gcc）通常存在，或通过包系统轻松获得
在 Ubuntu 或 Debian 命令：
木有apple，所以自己官网看
https://developer.apple .com /
使用开源 MinGW（Windows 的 gcc 分发版）
解压缩 tarball 或 zip 文件，输入目录
再运行
跟着无名侠仙贝学习Cython Reverse - Pandaos's blog (panda0s.top)
Cython 有一个个功能可以将 Python 编译成 C语言实现，再由 GCC/Clang 将 C 编译成动态库
build的源码：
annotate=True 选项可以生成一个 html 页面
==显示 Py源码与生成的C代码的对应关系==
build命令：
成功后在当前目录下找到对应的动态库与对应的 xxx.c 源文件
==直接用 python import 导入==
版本： Python 3.7.6，Cython 0.29.21
在pyx文件编译为.c的文件时，__pyx_string_tab是一个包含代码中所有需要使用的字符串（避免重复创建相同的字符串，从而优化字符串的使用和查找）
__pyx_string_tab将字符串与PyObject联系，再调用
__Pyx_InitStrings初始化字符串对象（详解__Pyx_InitStrings使用）
C++ __Pyx_InitStrings函数代码示例 - 纯净天空 (vimsky.com)
在逆向时，可以通过这个特性快速找到对应的project
我在审计的时候发现了__Pyx_StringTabEntry结构体，发现和前面的__pyx_string_tab数组有点关系分析一下
如下：
cython代码大致结构
完整的实现
在模块初始化过程中，Cython 会调用一个函数（如 __Pyx_InitStrings），使用 __pyx_string_tab 来初始化所有字符串常量，
然后这个函数遍历 __pyx_string_tab，初始化每个字符串条目，并将字符串对象的指针存储在相应的结构体字段中
整数常量的构造涉及将 Python 代码中的整数常量转换为 C 代码中的相应表示形式。这包括处理各种整数类型（如短整型、整型、长整型和超长整型）以及确保在生成的 C 代码中正确初始化和使用这些常量
在cython是可以直接引用
但是转化为c代码时，类似于（简化版本）
超出 C 的基本整数类型范围的整数，Cython 使用 Python 的 PyLong 类型来表示
例如：
转换
整数属于全局变量，在 __Pyx_InitGlobals 中初始化
这个函数对应于 Python 定义的函数 test_arg(x, y, z)，它在 Cython 中被编译成如下形式：
在 Cython 编译过程中，这个 Python 函数被转换为 C 函数，形式如下：
通常在 Cython 中用作占位符，因为函数没有 self`参数
对应于 Python 函数参数 x, y, z`的 C 对象
这个函数对应于一个类方法 test_class.test_class_hh，其 Python 定义如下：
在 Cython 编译过程中，这个类方法被转换为 C 函数，形式如下：
通常在 Cython 中用作占位符，因为方法没有 self参数
对应于 Python 方法中的 self参数的 C 对象
字符串常量 __pyx_kp_s_This_is_myfunc1被初始化为 "This is myfunc1."
创建包含该字符串的元组：
前面我们提到了回收站机制，这里详细解释cython中严格处理的回收站的机制
引用计数：
标记-清除（Mark and Sweep）：
转换为cython代码
这里关于def函数的定义比较冗杂，简单看看就行
这里关于def的函数定义就不再解析了，大体差不多
主要解析这里引用字符串和调用print的函数
__builtin__是cython中的一个内置模块：
包含所有的内置对象，函数，异常，常量（提供一组标准的内置对象，会自动加载的这个模块，不会在用户处显示的导入），比如
函数：print，len，range
异常：Exception，TyprError
常量：none，true，false
查看这个地方构造元组的汇编
分析cython的实现
详细说明：
这个地方的4是指比较操作符的代码，gpt的解释有问题，这里在官方文档中找到关于他的使用
简单来说就是一个比较函数，返回一个布尔值（异常返回-1，结果为假0，为真返回1）
第三个参数的op为6种比较操作符之一
从一个序列（如列表、元组或字符串）中提取一个子序列
通过__Pyx_PyObject_GetSlice辅助函数
__pyx_v_x: 这是需要进行切片操作的 Python 对象
2: 这是切片操作的起始索引。即，从索引 2 开始进行切片
0: 这是切片操作的结束索引（0一般表示切片一直进行到对象的末尾）
&__pyx_slice__4代表一个包含切片信息的 PyObject，实际相当于 slice(2, None)
start: 切片开始的索引（包括）
stop: 切片结束的索引（不包括）
step: 步长，表示从 start 到 stop 之间每隔多少个元素取一个
示例：
索引访问只能获取单个元素，而不能获取多个元素或子序列
源码
对照源码分析
对照源码分析
对照源码分析
格式化字符串的汇编实现
动态调用 Python/C API 中的函数来实现在运行时获取 PyObject 指针对应的字符串表示形式的 UTF-8 dump 信息
==根据python将对象转换为UTF-8字符串的汇编实现，编译frida的脚本==
脚本实现
sudo apt-get install build-essential
sudo apt-get install build-essential
pip install Cythonpip install Cythonpython setup.py installpython setup.py installpip install cython setuptoolspip install cython setuptoolsfrom setuptools import setup
from Cython.Build import cythonize
setup( ext_modules = cythonize("hello.pyx", annotate=True)
)from setuptools import setup
from Cython.Build import cythonize
setup( ext_modules = cythonize("hello.pyx", annotate=True)
)python setup.py build_ext --inplace
python setup.py build_ext --inplace
import datetimeimport mathdef myfunc1(): print("This is myfunc1.")
def test_variables(): # 定义局部变量并打印
x = 5
y = "variables test."
print(x)
print(y)
def test_strVar(): # 定义字符串变量并打印
x = "Hello world."
print(x)
def test_global_var(): # 使用全局变量 gy 并打印
global gy
print(gy)
def test_cast(): # 类型转换：将整数和字符串进行类型转换并打印
x = int(5)
y = str(3)
print(x, y)
def test_numbers(): # 打印整数、浮点数和大整数（十六进制）
x = 123
y = 12.3
z = 0x112233445566778899AABBCCDD
print(x, y, z)
def test_if(x): # 条件语句：判断 x 是否大于 456
if x > 456:
print("x > 456")
else:
print("x <= 456")
def test_string(): # 字符串操作：获取长度、索引、切片，并检查子字符串
x = "I am str."
y = len(x)
z = x[1]
w = x[2:]
print(x, y, z, w)
if "am" in x:
print("yes")
else:
print("wrong")
def test_list(): # 列表操作：添加元素、遍历、切片和替换部分元素
x = list()
x.append(1)
x.append(2)
x.append(3)
x.append(4)
x.append("five")
print(x)
print(len(x))
for i in x:
print(i)
x = x[1:]
x[2:4] = [22, 33]
def test_dict(): # 字典操作：添加键值对、访问值、检查键和遍历字典
x = {}
x["one"] = 1
x["two"] = 2
x["three"] = 3
y = x["one"]
z = x["two"]
if "one" in x:
print(y)
for k in x:
print(k, x[k])
def test_for(): # for 循环：计算 0 到 100 的和
s = 0
for i in range(101):
s = s + i
print(s)
def test_while(): # while 循环：计算 1 到 100 的和
s = 0
i = 1
while i <= 100:
s = s + i
i += 1
print(s)
def test_exception(): # 异常处理：尝试执行错误操作并捕获异常
x = 1
try:
x = x + "1"
print(x)
except NameError:
print("Variable x is not defined")
except:
print("Something else went wrong")
def test_datetime(): # 获取并打印当前日期和时间
x = datetime.datetime.now()
print(x)
def test_format(): # 字符串格式化：使用 % 操作符进行字符串格式化
x = 1
y = "One"
z = "%s is %d" % (y, x)
print(z)
def test_math(): # 数学函数：使用 ceil 和 floor 函数
x = math.ceil(1.4)
y = math.floor(1.4)
print(x) # 返回 2
print(y) # 返回 1
def test_arg(x, y, z): # 传递参数：修改参数并打印
x = x + 1
y = y + "2"
z = z[:]
print(x, y, z)
class test_class:
# 定义一个类及其方法
def __init__(self):
self.aa = 1
def test_class_hh(self):
print(self.aa)
# 定义全局变量并调用所有函数gy = 123myfunc1()test_variables()test_strVar()test_global_var()test_cast()test_numbers()test_string()test_list()test_dict()test_for()test_while()test_exception()test_datetime()test_format()test_math()test_arg(1, "2", [4, 5, 6])
import datetimeimport mathdef myfunc1(): print("This is myfunc1.")
def test_variables(): # 定义局部变量并打印
x = 5
y = "variables test."
print(x)
print(y)
def test_strVar(): # 定义字符串变量并打印
x = "Hello world."
print(x)
def test_global_var(): # 使用全局变量 gy 并打印
global gy
print(gy)
def test_cast(): # 类型转换：将整数和字符串进行类型转换并打印
x = int(5)
y = str(3)
print(x, y)
def test_numbers(): # 打印整数、浮点数和大整数（十六进制）
x = 123
y = 12.3
z = 0x112233445566778899AABBCCDD
print(x, y, z)
def test_if(x): # 条件语句：判断 x 是否大于 456
if x > 456:
print("x > 456")
else:
print("x <= 456")
def test_string(): # 字符串操作：获取长度、索引、切片，并检查子字符串
x = "I am str."
y = len(x)
z = x[1]
w = x[2:]
print(x, y, z, w)
if "am" in x:
print("yes")
else:
print("wrong")
def test_list(): # 列表操作：添加元素、遍历、切片和替换部分元素
x = list()
x.append(1)
x.append(2)
x.append(3)
x.append(4)
x.append("five")
print(x)
print(len(x))
for i in x:
print(i)
x = x[1:]
x[2:4] = [22, 33]
def test_dict(): # 字典操作：添加键值对、访问值、检查键和遍历字典
x = {}
x["one"] = 1
x["two"] = 2
x["three"] = 3
y = x["one"]
z = x["two"]
if "one" in x:
print(y)
for k in x:
print(k, x[k])
def test_for(): # for 循环：计算 0 到 100 的和
s = 0
for i in range(101):
s = s + i
print(s)
def test_while(): # while 循环：计算 1 到 100 的和
s = 0
i = 1
while i <= 100:
s = s + i
i += 1
print(s)
def test_exception(): # 异常处理：尝试执行错误操作并捕获异常
x = 1
try:
x = x + "1"
print(x)
except NameError:
print("Variable x is not defined")
except:
print("Something else went wrong")
def test_datetime(): # 获取并打印当前日期和时间
x = datetime.datetime.now()
print(x)
def test_format(): # 字符串格式化：使用 % 操作符进行字符串格式化
x = 1
y = "One"
z = "%s is %d" % (y, x)
print(z)
def test_math(): # 数学函数：使用 ceil 和 floor 函数
x = math.ceil(1.4)
y = math.floor(1.4)
print(x) # 返回 2
print(y) # 返回 1
def test_arg(x, y, z): # 传递参数：修改参数并打印
x = x + 1
y = y + "2"
z = z[:]
print(x, y, z)
class test_class:
# 定义一个类及其方法
def __init__(self):
self.aa = 1
def test_class_hh(self):
print(self.aa)
# 定义全局变量并调用所有函数gy = 123myfunc1()test_variables()test_strVar()test_global_var()test_cast()test_numbers()test_string()test_list()test_dict()test_for()test_while()test_exception()test_datetime()test_format()test_math()test_arg(1, "2", [4, 5, 6])
static int __Pyx_CreateStringTabAndInitStrings(void) {
__Pyx_StringTabEntry __pyx_string_tab[] = {
{&__pyx_kp_s_1, __pyx_k_1, sizeof(__pyx_k_1), 0, 0, 1, 0},
{&__pyx_kp_s_2, __pyx_k_2, sizeof(__pyx_k_2), 0, 0, 1, 0},
{&__pyx_kp_s_Hello_world, __pyx_k_Hello_world, sizeof(__pyx_k_Hello_world), 0, 0, 1, 0},
{&__pyx_kp_s_I_am_str, __pyx_k_I_am_str, sizeof(__pyx_k_I_am_str), 0, 0, 1, 0},
{&__pyx_n_s_NameError, __pyx_k_NameError, sizeof(__pyx_k_NameError), 0, 0, 1, 1},
{&__pyx_n_s_One, __pyx_k_One, sizeof(__pyx_k_One), 0, 0, 1, 1},
{&__pyx_kp_s_Something_else_went_wrong, __pyx_k_Something_else_went_wrong, sizeof(__pyx_k_Something_else_went_wrong), 0, 0, 1, 0},
{&__pyx_kp_s_This_is_myfunc1, __pyx_k_This_is_myfunc1, sizeof(__pyx_k_This_is_myfunc1), 0, 0, 1, 0},
{&__pyx_kp_s_Variable_x_is_not_defined, __pyx_k_Variable_x_is_not_defined, sizeof(__pyx_k_Variable_x_is_not_defined), 0, 0, 1, 0},
{&__pyx_n_s__10, __pyx_k__10, sizeof(__pyx_k__10), 0, 0, 1, 1},
{&__pyx_n_s__38, __pyx_k__38, sizeof(__pyx_k__38), 0, 0, 1, 1},
{&__pyx_n_s_aa, __pyx_k_aa, sizeof(__pyx_k_aa), 0, 0, 1, 1},
{&__pyx_n_s_am, __pyx_k_am, sizeof(__pyx_k_am), 0, 0, 1, 1},
{&__pyx_n_s_asyncio_coroutines, __pyx_k_asyncio_coroutines, sizeof(__pyx_k_asyncio_coroutines), 0, 0, 1, 1},
{&__pyx_n_s_ceil, __pyx_k_ceil, sizeof(__pyx_k_ceil), 0, 0, 1, 1},
{&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
{&__pyx_n_s_datetime, __pyx_k_datetime, sizeof(__pyx_k_datetime), 0, 0, 1, 1},
{&__pyx_n_s_dict, __pyx_k_dict, sizeof(__pyx_k_dict), 0, 0, 1, 1},
{&__pyx_n_s_doc, __pyx_k_doc, sizeof(__pyx_k_doc), 0, 0, 1, 1},
{&__pyx_n_s_five, __pyx_k_five, sizeof(__pyx_k_five), 0, 0, 1, 1},
{&__pyx_n_s_floor, __pyx_k_floor, sizeof(__pyx_k_floor), 0, 0, 1, 1},
{&__pyx_n_s_gy, __pyx_k_gy, sizeof(__pyx_k_gy), 0, 0, 1, 1},
{&__pyx_n_s_hello, __pyx_k_hello, sizeof(__pyx_k_hello), 0, 0, 1, 1},
{&__pyx_kp_s_hello_pyx, __pyx_k_hello_pyx, sizeof(__pyx_k_hello_pyx), 0, 0, 1, 0},
{&__pyx_n_s_i, __pyx_k_i, sizeof(__pyx_k_i), 0, 0, 1, 1},
{&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
{&__pyx_n_s_init, __pyx_k_init, sizeof(__pyx_k_init), 0, 0, 1, 1},
{&__pyx_n_s_init_subclass, __pyx_k_init_subclass, sizeof(__pyx_k_init_subclass), 0, 0, 1, 1},
{&__pyx_n_s_initializing, __pyx_k_initializing, sizeof(__pyx_k_initializing), 0, 0, 1, 1},
{&__pyx_n_s_is_coroutine, __pyx_k_is_coroutine, sizeof(__pyx_k_is_coroutine), 0, 0, 1, 1},
{&__pyx_n_s_k, __pyx_k_k, sizeof(__pyx_k_k), 0, 0, 1, 1},
{&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
{&__pyx_n_s_math, __pyx_k_math, sizeof(__pyx_k_math), 0, 0, 1, 1},
{&__pyx_n_s_metaclass, __pyx_k_metaclass, sizeof(__pyx_k_metaclass), 0, 0, 1, 1},
{&__pyx_n_s_module, __pyx_k_module, sizeof(__pyx_k_module), 0, 0, 1, 1},
{&__pyx_n_s_myfunc1, __pyx_k_myfunc1, sizeof(__pyx_k_myfunc1), 0, 0, 1, 1},
{&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
{&__pyx_n_s_now, __pyx_k_now, sizeof(__pyx_k_now), 0, 0, 1, 1},
{&__pyx_n_s_one, __pyx_k_one, sizeof(__pyx_k_one), 0, 0, 1, 1},
{&__pyx_n_s_prepare, __pyx_k_prepare, sizeof(__pyx_k_prepare), 0, 0, 1, 1},
{&__pyx_n_s_print, __pyx_k_print, sizeof(__pyx_k_print), 0, 0, 1, 1},
{&__pyx_n_s_qualname, __pyx_k_qualname, sizeof(__pyx_k_qualname), 0, 0, 1, 1},
{&__pyx_n_s_range, __pyx_k_range, sizeof(__pyx_k_range), 0, 0, 1, 1},
{&__pyx_n_s_s, __pyx_k_s, sizeof(__pyx_k_s), 0, 0, 1, 1},
{&__pyx_kp_s_s_is_d, __pyx_k_s_is_d, sizeof(__pyx_k_s_is_d), 0, 0, 1, 0},
{&__pyx_n_s_self, __pyx_k_self, sizeof(__pyx_k_self), 0, 0, 1, 1},
{&__pyx_n_s_set_name, __pyx_k_set_name, sizeof(__pyx_k_set_name), 0, 0, 1, 1},
{&__pyx_n_s_spec, __pyx_k_spec, sizeof(__pyx_k_spec), 0, 0, 1, 1},
{&__pyx_n_s_super, __pyx_k_super, sizeof(__pyx_k_super), 0, 0, 1, 1},
{&__pyx_n_s_test, __pyx_k_test, sizeof(__pyx_k_test), 0, 0, 1, 1},
{&__pyx_n_s_test_arg, __pyx_k_test_arg, sizeof(__pyx_k_test_arg), 0, 0, 1, 1},
{&__pyx_n_s_test_cast, __pyx_k_test_cast, sizeof(__pyx_k_test_cast), 0, 0, 1, 1},
{&__pyx_n_s_test_class, __pyx_k_test_class, sizeof(__pyx_k_test_class), 0, 0, 1, 1},
{&__pyx_n_s_test_class___init, __pyx_k_test_class___init, sizeof(__pyx_k_test_class___init), 0, 0, 1, 1},
{&__pyx_n_s_test_class_hh, __pyx_k_test_class_hh, sizeof(__pyx_k_test_class_hh), 0, 0, 1, 1},
{&__pyx_n_s_test_class_test_class_hh, __pyx_k_test_class_test_class_hh, sizeof(__pyx_k_test_class_test_class_hh), 0, 0, 1, 1},
{&__pyx_n_s_test_datetime, __pyx_k_test_datetime, sizeof(__pyx_k_test_datetime), 0, 0, 1, 1},
{&__pyx_n_s_test_dict, __pyx_k_test_dict, sizeof(__pyx_k_test_dict), 0, 0, 1, 1},
{&__pyx_n_s_test_exception, __pyx_k_test_exception, sizeof(__pyx_k_test_exception), 0, 0, 1, 1},
{&__pyx_n_s_test_for, __pyx_k_test_for, sizeof(__pyx_k_test_for), 0, 0, 1, 1},
{&__pyx_n_s_test_format, __pyx_k_test_format, sizeof(__pyx_k_test_format), 0, 0, 1, 1},
{&__pyx_n_s_test_global_var, __pyx_k_test_global_var, sizeof(__pyx_k_test_global_var), 0, 0, 1, 1},
{&__pyx_n_s_test_if, __pyx_k_test_if, sizeof(__pyx_k_test_if), 0, 0, 1, 1},
{&__pyx_n_s_test_list, __pyx_k_test_list, sizeof(__pyx_k_test_list), 0, 0, 1, 1},
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static PyObject *__pyx_pf_5hello_16test_list(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_18test_dict(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_20test_for(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_22test_while(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_24test_exception(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_26test_datetime(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_28test_format(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_30test_math(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_32test_arg(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y, PyObject *__pyx_v_z); /* proto */
static PyObject *__pyx_pf_5hello_10test_class___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5hello_10test_class_2test_class_hh(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
/* #### Code section: late_includes ### *//* #### Code section: module_state ### */static PyObject *__pyx_pf_5hello_myfunc1(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_2test_variables(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_4test_strVar(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_6test_global_var(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_8test_cast(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_10test_numbers(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_12test_if(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x); /* proto */
static PyObject *__pyx_pf_5hello_14test_string(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_16test_list(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_18test_dict(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_20test_for(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_22test_while(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_24test_exception(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_26test_datetime(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_28test_format(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_30test_math(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_5hello_32test_arg(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y, PyObject *__pyx_v_z); /* proto */
static PyObject *__pyx_pf_5hello_10test_class___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_5hello_10test_class_2test_class_hh(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
/* #### Code section: late_includes ### *//* #### Code section: module_state ### */def test_arg(x, y, z):
# function body
def test_arg(x, y, z):
# function body
static PyObject *__pyx_pf_5hello_32test_arg(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y, PyObject *__pyx_v_z);
static PyObject *__pyx_pf_5hello_32test_arg(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y, PyObject *__pyx_v_z);
class test_class:
def test_class_hh(self):
# method body
class test_class:
def test_class_hh(self):
# method body
static PyObject *__pyx_pf_5hello_10test_class_2test_class_hh(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self);
static PyObject *__pyx_pf_5hello_10test_class_2test_class_hh(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self);
04: def myfunc1():/* Python wrapper */static PyObject *__pyx_pw_5hello_1myfunc1(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
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CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
PyObject *__pyx_r = 0;
__Pyx_RefNannyDeclarations
__Pyx_RefNannySetupContext("myfunc1 (wrapper)", 0);
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/* function exit code */
__Pyx_RefNannyFinishContext();
return __pyx_r;
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PyObject *__pyx_r = NULL;
/* … */ /* function exit code */
__pyx_r = Py_None; __Pyx_INCREF(Py_None);
goto __pyx_L0;
__pyx_L1_error:;
__Pyx_XDECREF(__pyx_t_1);
__Pyx_AddTraceback("hello.myfunc1", __pyx_clineno, __pyx_lineno, __pyx_filename);
__pyx_r = NULL;
__pyx_L0:;
__Pyx_XGIVEREF(__pyx_r);
__Pyx_RefNannyFinishContext();
return __pyx_r;
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__Pyx_GOTREF(__pyx_t_2);
if (PyDict_SetItem(__pyx_d, __pyx_n_s_myfunc1, __pyx_t_2) < 0) __PYX_ERR(0, 4, __pyx_L1_error)
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+005: print("This is myfunc1.")
__pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_print, __pyx_tuple_, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 5, __pyx_L1_error)
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__Pyx_GOTREF(__pyx_tuple_);
__Pyx_GIVEREF(__pyx_tuple_);
006:
04: def myfunc1():/* Python wrapper */static PyObject *__pyx_pw_5hello_1myfunc1(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static PyMethodDef __pyx_mdef_5hello_1myfunc1 = {"myfunc1", (PyCFunction)__pyx_pw_5hello_1myfunc1, METH_NOARGS, 0};
static PyObject *__pyx_pw_5hello_1myfunc1(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
CYTHON_UNUSED PyObject *const *__pyx_kwvalues;
PyObject *__pyx_r = 0;
__Pyx_RefNannyDeclarations
__Pyx_RefNannySetupContext("myfunc1 (wrapper)", 0);
__pyx_kwvalues = __Pyx_KwValues_VARARGS(__pyx_args, __pyx_nargs);
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/* function exit code */
__Pyx_RefNannyFinishContext();
return __pyx_r;
}static PyObject *__pyx_pf_5hello_myfunc1(CYTHON_UNUSED PyObject *__pyx_self) {
PyObject *__pyx_r = NULL;
/* … */[注意]传递专业知识、拓宽行业人脉——看雪讲师团队等你加入！
最后于 2024-6-21 21:14
被gir@ffe编辑
，原因：
