How to call a C++ dynamic library in Python?

Python can use the ctypes module to call a C++ dynamic library. Here is a simple example:

Firstly, suppose you have a dynamic library file in C++, such as mylib.so.

Then, you can use the ctypes module to load dynamic libraries and call their functions.

import ctypes

# 加载动态库
mylib = ctypes.CDLL('./mylib.so')

# 调用动态库中的函数
result = mylib.my_function(arg1, arg2)

In the above code, the ctypes.CDLL function is used to load dynamic library files. You need to pass the path of the dynamic library file to this function.

After that, you can call functions in the dynamic library through the mylib object. In this example, we called a function named my_function and passed arg1 and arg2 as parameters.

Please be aware that you may need to modify the paths of the dynamic library files, function names, and parameters based on the actual situation. Additionally, you may also need to specify the return value type and parameter types of the functions. You can refer to the relevant content in the ctypes documentation to learn how to accurately specify this information.