PyObjC#

PyObjC provides bindings to most Objective-C frameworks on macOS, build upon a generic bidirectional bridge between Python and Objective-C.

PyObjC aims to get as close as possible to having Python and a first class language for developing applications and scripts on macOS using Apple’s high level system APIs.

GitHub

Cocoa class definition in Python#

from Foundation import NSObject
from objc import super

class MyCocoaObject(NSObject):
    def initWithX_y_(self, x, y):
        self = super().init()
        if self is None:
            return None
        self.x = x
        self.y = y
        return self

Cocoa class definition in Objective-C#

#import <Foundation/Foundation.h>

@interfae MyCocoaObject : NSObject {
   int x, y;
}
-(instancetype)initWithX:(int)x y:(int)y;
@end

@implementation MyCocoaObject
-(instancetype)initWithX:(int)xValue y:(int)yValue
{
   self = [super init];
   if (!self) return nil;

   x = xValue;
   y = yValue;
   return self;
}

Release Info

PyObjC 12.2.2 was released on 2026-08-11. See the changelog for more information.

What’s new in PyObjC

Supported Platforms

macOS 10.9 and later
Python 3.10 and later
x86_64 and arm64

Supported platforms

Installing PyObjC

$ python3 -mpip \
  install -U pyobjc

Installing PyObjC

Introduction

Technical Notes

Internals

API Documentation

Development

Historical