Oh no! Where's the JavaScript?
Your Web browser does not have JavaScript enabled or does not support JavaScript. Please enable JavaScript on your Web browser to properly view this Web site, or upgrade to a Web browser that does support JavaScript.

Creating a DLL (Dynamic Link Library) file from Python code

Creating a DLL (Dynamic Link Library) file from Python code involves a few steps. You can use a tool like Cython or PyInstaller to compile your Python code into a DLL. Here, I'll guide you through using Cython.

First, you need to install Cython if you haven't already:


pip install cython


Then, create a Python file (let's say `example.py`) with the code you want to compile into a DLL. For demonstration purposes, let's just create a simple function:

# example.py

def add(a, b ) :

    return a + b


Next, create a Cython file (let's name it `example_cython.pyx`) where you declare the function signature and its implementation:

# example_cython.pyx

def add(int a, int b ):

    return a + b


Now, you need a `setup.py` script to build the Cython file into a DLL:

# setup.py

from distutils.core import setup

from Cython.Build import cythonize


    ext_modules = cythonize("example_cython.pyx")



With all these files in place, navigate to the directory containing them in your terminal and run:

python setup.py build_ext --inplace


This command will generate a `.pyd` file (which is the Windows equivalent of a `.so` file on Unix-like systems) containing your compiled code.

Now you can use this DLL in your Python scripts or in other programming languages like C/C++ that support calling functions from DLLs.

caa May 10 2024 77 reads 0 comments Print


Leave a Comment

Please Login to Post a Comment.
  • No Comments have been Posted.

Sign In
Not a member yet? Click here to register.
Forgot Password?