pyobjc-core

import objc from Foundation import NSString, NSDate, NSObject # 1. Basic interoperability: Python string to Objective-C NSString python_string = "Hello from PyObjC!" objc_string = NSString.stringWithString_(python_string) print(f"Python string: '{python_string}' (Type: {type(python_string)})\n") print(f"Objective-C NSString: '{objc_string}' (Type: {type(objc_string)})\n") # 2. Get current date as NSDate current_nsdate = NSDate.date() print(f"Current NSDate: {current_nsdate} (Type: {type(current_nsdate)})\n") # 3. Define a Python class that inherits from an Objective-C class @objc.python_class class MyPythonObject(NSObject): def init(self): self = objc.super(MyPythonObject, self).init() if self is None: return None self.message = "I am a Python-backed Objective-C object!" return self # Expose a method callable from Objective-C (and Python) @objc.selector('myCustomMethod') def myCustomMethod(self): return self.message # Create an instance and call the method # Note: alloc().init() is the standard Objective-C way to create objects. python_objc_instance = MyPythonObject.alloc().init() print(f"Message from Python-backed ObjC instance: {python_objc_instance.myCustomMethod()}\n")