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72 lines
2.6 KiB
Python
72 lines
2.6 KiB
Python
import sys
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try:
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from ctypes import cdll, c_void_p, c_char_p, util
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except ImportError:
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# ctypes is an optional module. If it's not present, we're limited in what
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# we can tell about the system, but we don't want to prevent the module
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# from working.
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print("ctypes isn't available; iOS system calls will not be available", file=sys.stderr)
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objc = None
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else:
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# ctypes is available. Load the ObjC library, and wrap the objc_getClass,
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# sel_registerName methods
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lib = util.find_library("objc")
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if lib is None:
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# Failed to load the objc library
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raise ImportError("ObjC runtime library couldn't be loaded")
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objc = cdll.LoadLibrary(lib)
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objc.objc_getClass.restype = c_void_p
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objc.objc_getClass.argtypes = [c_char_p]
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objc.sel_registerName.restype = c_void_p
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objc.sel_registerName.argtypes = [c_char_p]
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def get_platform_ios():
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# Determine if this is a simulator using the multiarch value
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is_simulator = sys.implementation._multiarch.endswith("simulator")
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# We can't use ctypes; abort
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if not objc:
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return None
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# Most of the methods return ObjC objects
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objc.objc_msgSend.restype = c_void_p
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# All the methods used have no arguments.
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objc.objc_msgSend.argtypes = [c_void_p, c_void_p]
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# Equivalent of:
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# device = [UIDevice currentDevice]
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UIDevice = objc.objc_getClass(b"UIDevice")
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SEL_currentDevice = objc.sel_registerName(b"currentDevice")
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device = objc.objc_msgSend(UIDevice, SEL_currentDevice)
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# Equivalent of:
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# device_systemVersion = [device systemVersion]
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SEL_systemVersion = objc.sel_registerName(b"systemVersion")
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device_systemVersion = objc.objc_msgSend(device, SEL_systemVersion)
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# Equivalent of:
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# device_systemName = [device systemName]
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SEL_systemName = objc.sel_registerName(b"systemName")
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device_systemName = objc.objc_msgSend(device, SEL_systemName)
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# Equivalent of:
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# device_model = [device model]
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SEL_model = objc.sel_registerName(b"model")
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device_model = objc.objc_msgSend(device, SEL_model)
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# UTF8String returns a const char*;
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SEL_UTF8String = objc.sel_registerName(b"UTF8String")
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objc.objc_msgSend.restype = c_char_p
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# Equivalent of:
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# system = [device_systemName UTF8String]
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# release = [device_systemVersion UTF8String]
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# model = [device_model UTF8String]
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system = objc.objc_msgSend(device_systemName, SEL_UTF8String).decode()
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release = objc.objc_msgSend(device_systemVersion, SEL_UTF8String).decode()
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model = objc.objc_msgSend(device_model, SEL_UTF8String).decode()
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return system, release, model, is_simulator
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