Creating Python Wrapper for one C++ procedure been inspired by Yandex Q news wire in Mathematics Version 2

 (.env) [boris@fedora33server YANDEXDBA]$ cat test.h

#pragma once

#include <cstddef>

#include <vector>

namespace abc {

std::vector<int>  catchList(int q,int m,int pw1,int pw2) ;

}  

(.env) [boris@fedora33server YANDEXDBA]$ cat test.cpp

#include <Python.h>

#include <iostream>

#include <vector>

#include <cmath>

#include "test.h"

#pragma GCC diagnostic ignored "-Wsign-compare"

namespace abc {

int digitSum(int n)  

{  

  int sum=0,m;    

  while(n>0)    

  {    

    m=n%10;    

    sum=sum+m;    

    n=n/10;    

  }    

return sum;  

}  

std::vector<int>  catchList(int k,int m,int pw1,int pw2) {

 std::vector<int> result;

 int j,z;

 for( j=k; j < m; ++j)

  {

    z = digitSum(j);

    if (pow(double(z),pw1) == pow(double(j),pw2))

              result.push_back(j);

  }

 return result;

 }

} 

extern "C"{}

namespace {

static PyObject *caughtList(PyObject* self, PyObject* args)

{

   int p,n;

   int pwr1,pwr2;

  // Now four arguments pass through PyArg_ParseTuple

   if(!PyArg_ParseTuple(args,"iiii" ,&p,&n,&pwr1,&pwr2))

       return NULL;

   std::vector<int>numbers = abc::catchList(p,n,pwr1,pwr2);

   PyObject* result = PyList_New(numbers.size());

   for(int i = 0; i < numbers.size(); i++) {

     PyList_SetItem(result, i, PyLong_FromLong(numbers[i]));

   }

   return result;  

};

// Our Module's Function Definition struct

// We require this `NULL` to signal the end of our method

// definition

static PyMethodDef myMethods[] = {

   { "caughtList", caughtList, METH_VARARGS, "Calculate prime numbers" },

   { NULL, NULL, 0, NULL }

};

// Our Module Definition struct

static struct PyModuleDef myModule = {

   PyModuleDef_HEAD_INIT,

   "myModule",

   "Test Module",

   -1,

   myMethods

};

// Initializes our module using our above struct

PyMODINIT_FUNC PyInit_myModule(void)

{

   return PyModule_Create(&myModule);

};

} // namespace(.env) 

[boris@fedora33server YANDEXDBA]$ cat setup.py

from distutils.core import setup, Extension

import sysconfig

language = 'c++'

std = 'c++20'

default_compile_args = sysconfig.get_config_var('CFLAGS').split()

extra_compile_args = [f"-std={std}", "-Wall", "-Wextra", "-Werror", "-DNDEBUG", "-O3"]

setup(name = 'myModule', version = '1.0',  \

   ext_modules = [Extension('myModule', ['test.cpp'])])

(.env) [boris@fedora33server YANDEXDBA]$ python setup.py install

running install

running build

running build_ext

building 'myModule' extension

creating build

creating build/temp.linux-x86_64-3.9

gcc -pthread -Wno-unused-result -Wsign-compare -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I/home/boris/YANDEXDBA/.env/include -I/usr/include/python3.9 -c test.cpp -o build/temp.linux-x86_64-3.9/test.o

creating build/lib.linux-x86_64-3.9

g++ -pthread -shared -Wl,-z,relro -Wl,--as-needed -Wl,-z,now -g -Wl,-z,relro -Wl,--as-needed -Wl,-z,now -g build/temp.linux-x86_64-3.9/test.o -L/usr/lib64 -o build/lib.linux-x86_64-3.9/myModule.cpython-39-x86_64-linux-gnu.so

running install_lib

copying build/lib.linux-x86_64-3.9/myModule.cpython-39-x86_64-linux-gnu.so -> /home/boris/YANDEXDBA/.env/lib64/python3.9/site-packages

running install_egg_info

Removing /home/boris/YANDEXDBA/.env/lib64/python3.9/site-packages/myModule-1.0-py3.9.egg-info

Writing /home/boris/YANDEXDBA/.env/lib64/python3.9/site-packages/myModule-1.0-py3.9.egg-info

(.env) [boris@fedora33server YANDEXDBA]$ cat MyProg1.py

import myModule

minV =  int(input("Input scaning start value :" ))

maxV =  int(input("Input scaning finish value :" ))

p1 = int(input("Input power for digitSum :" ))

p2 = int(input("Input power for Number to detect: " ))

print(myModule.caughtList(minV,maxV,p1,p2))