PyObjC SyncServices Framework

12.1 · active · verified Tue Apr 14

PyObjC is a bridge between Python and Objective-C, enabling Python scripts to interact with macOS frameworks. The `pyobjc-framework-syncservices` package provides Python wrappers for Apple's SyncServices framework. It is currently at version 12.1 and is regularly updated in conjunction with new macOS SDKs and Python releases. Note that Apple deprecated the SyncServices framework itself in macOS 10.7, recommending alternative APIs for new development.

Warnings

breaking The underlying Apple SyncServices framework has been deprecated since macOS 10.7 Lion. Apple recommends using alternatives like iCloud extensions (NSFileManager, NSUbiquitousKeyValueStore), Address Book framework, or Calendar Store framework for new development.
Fix: Avoid using SyncServices for new development. Migrate existing code to modern Apple APIs.
breaking PyObjC 12.0 dropped support for Python 3.9. Projects must upgrade to Python 3.10 or later.
Fix: Update your Python environment to 3.10 or newer. PyObjC 11.0 dropped support for Python 3.8.
gotcha PyObjC 12.0 was initially released with incorrect metadata indicating Python 3.9 support. This release was yanked from PyPI, and version 12.1 was released to correct this, requiring Python 3.10+.
Fix: Ensure you are using `pyobjc-framework-syncservices` version 12.1 or later with Python 3.10+.
gotcha PyObjC 11.1 introduced changes to align ARC (Automatic Reference Counting) behavior for initializer methods with `clang`'s documentation. This means methods in the 'init' family now correctly steal a reference to self and return a new reference, potentially changing reference counting semantics for some custom Python classes.
Fix: Review Python classes that implement Objective-C initializer methods to ensure correct reference handling, especially if upgrading from PyObjC versions older than 11.1.
gotcha While PyObjC 11.0 introduced experimental support for free-threading (PEP 703) in Python 3.13, general caveats apply regarding its maturity and interaction with the Objective-C runtime. Earlier versions like 10.3 explicitly did not support experimental free-threading.
Fix: Exercise caution when using PyObjC with free-threading Python builds. Consult PyObjC documentation for the latest status and limitations.
breaking Bindings for the `IMServicePlugIn` framework were removed in PyObjC 10.0 because the framework itself was deprecated in macOS 10.13 and removed entirely in macOS 14.
Fix: If your application relied on `IMServicePlugIn` bindings, it will break on PyObjC 10.0+ and macOS 14+. The framework is no longer available from Apple.

Install

pip install pyobjc-framework-syncservices Install latest version

Imports

ISyncManager
```
from SyncServices import ISyncManager
```

Quickstart

This quickstart demonstrates how to import and access a class from the `SyncServices` framework using PyObjC. It explicitly warns about the underlying framework's deprecation by Apple.

import objc
from SyncServices import ISyncManager
from Foundation import NSObject # Foundation is often implicitly needed for Cocoa types

def check_sync_manager():
    """
    Demonstrates accessing the deprecated SyncServices framework.
    This code primarily shows the PyObjC import pattern, not
    recommended usage for new macOS development.
    """
    try:
        # Access the shared manager instance for SyncServices
        manager = ISyncManager.sharedManager()
        if manager:
            print(f"Successfully retrieved ISyncManager shared instance: {manager}")
            print(f"Type of manager: {type(manager)}")
            print("Note: The SyncServices framework is deprecated by Apple (since macOS 10.7).")
            print("New development should use alternative APIs like iCloud, Address Book, or Calendar Store frameworks.")
        else:
            print("Failed to retrieve ISyncManager shared instance. SyncServices might be unavailable.")
    except Exception as e:
        print(f"An error occurred: {e}")
        print("This could be due to the SyncServices framework being unavailable or heavily deprecated on your macOS version.")

if __name__ == "__main__":
    check_sync_manager()

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