IOKit.bridgesupport

<?xml version='1.0'?>
<!DOCTYPE signatures SYSTEM "file://localhost/System/Library/DTDs/BridgeSupport.dtd">
<signatures version='1.0'>
  <opaque name='IONotificationPortRef' type64='^{IONotificationPort=}'/>
  <constant name='kIOMasterPortDefault' type64='I'/>
  <string_constant name='kIOFirstPublishNotification' value='IOServiceFirstPublish'/>
  <string_constant name='kIOPublishNotification' value='IOServicePublish'/>
  <string_constant name='kIOMatchedNotification' value='IOServiceMatched'/>
  <string_constant name='kIOFirstMatchNotification' value='IOServiceFirstMatch'/>
  <string_constant name='kIOTerminatedNotification' value='IOServiceTerminate'/>
  <string_constant name='kIOUSBDeviceClassName' value='IOUSBDevice'/>
  <function name='IOIteratorNext'>
    <arg type64='I'/>
    <retval type64='I'/>
  </function>
  <function name='IONotificationPortCreate'>
    <arg type64='I'/>
    <retval already_retained='true' type64='^{IONotificationPort=}'/>
  </function>
  <function name='IONotificationPortGetRunLoopSource'>
    <arg type64='^{IONotificationPort=}'/>
    <retval type64='^{__CFRunLoopSource=}'/>
  </function>
  <function name='IOObjectRelease'>
    <arg type64='I'/>
    <retval type64='i'/>
  </function>
  <function name='IOServiceAddMatchingNotification'>
    <arg type64='^{IONotificationPort=}'/>
    <arg type64='*'/>
    <arg type64='^{__CFDictionary=}'/>
    <arg function_pointer='true' type64='^?'>
      <arg type64='^v'/>
      <arg type64='I'/>
      <retval type64='v'/>
    </arg>
    <arg type64='^v'/>
    <arg type64='o^I'/>
    <retval type64='i'/>
  </function>
  <function name='IOServiceMatching'>
    <arg type64='*'/>
    <retval type64='^{__CFDictionary=}'/>
  </function>
</signatures>

IOServiceAddMatchingNotification.py

import objc
from pathlib import Path
import CoreFoundation
import PyObjCTools.AppHelper

PyObjCTools.AppHelper.installMachInterrupt()

bridgesupport_file = Path("IOKit.bridgesupport").read_text()
objc.parseBridgeSupport(
    bridgesupport_file,
    globals(),
    objc.pathForFramework("/System/Library/Frameworks/IOKit.framework"),
)

port = IONotificationPortCreate(kIOMasterPortDefault)


def iterate(it):
    result = []
    while 1:
        n = IOIteratorNext(it)
        if not n:
            break
        result.append(n)
    return result


kIONotifications = (
    kIOFirstPublishNotification,
    kIOPublishNotification,
    kIOMatchedNotification,
    kIOFirstMatchNotification,
    kIOTerminatedNotification,
)


@objc.callbackFor(IOServiceAddMatchingNotification)
def callback(refcon, iterator):
    print(kIONotifications[refcon], iterate(iterator))


for i, v in enumerate(kIONotifications):
    matching = IOServiceMatching(kIOUSBDeviceClassName)
    matching["idVendor"] = 0x1050
    matching["idProduct"] = 0x0407

    result, it = IOServiceAddMatchingNotification(port, v, matching, callback, i, None)
    print(result, it)
    iterate(it)


CoreFoundation.CFRunLoopAddSource(
    CoreFoundation.CFRunLoopGetCurrent(),
    IONotificationPortGetRunLoopSource(port),
    CoreFoundation.kCFRunLoopDefaultMode,
)
CoreFoundation.CFRunLoopRun()