Load AppKit before calling into CoreText - #32376

import ctypes
from ctypes import c_void_p, c_double

LOAD_APPKIT_FIRST = False

appkit = None
if LOAD_APPKIT_FIRST:
    appkit = ctypes.CDLL("/System/Library/Frameworks/AppKit.framework/AppKit")

objc = ctypes.CDLL("/usr/lib/libobjc.A.dylib")
coretext = ctypes.CDLL("/System/Library/Frameworks/CoreText.framework/CoreText")

CTFontCollectionCreateFromAvailableFonts = (
    coretext.CTFontCollectionCreateFromAvailableFonts
)
CTFontCollectionCreateFromAvailableFonts.argtypes = [c_void_p]
CTFontCollectionCreateFromAvailableFonts.restype = c_void_p

collection = CTFontCollectionCreateFromAvailableFonts(None)

objc_getClass = objc.objc_getClass
objc_getClass.argtypes = [ctypes.c_char_p]
objc_getClass.restype = c_void_p

sel_registerName = objc.sel_registerName
sel_registerName.argtypes = [ctypes.c_char_p]
sel_registerName.restype = c_void_p

objc_msgSend = ctypes.cast(
    objc.objc_msgSend,
    ctypes.CFUNCTYPE(c_void_p, c_void_p, c_void_p, c_double, c_double)
)

if not appkit:
    appkit = ctypes.CDLL("/System/Library/Frameworks/AppKit.framework/AppKit")

NSFont = objc_getClass(b"NSFont")
selector = sel_registerName(b"monospacedSystemFontOfSize:weight:")

font = objc_msgSend(NSFont, selector, 0, 400.0)