Add python Platform address_size property

Author: zznop

python/platform.py

@@ -85,7 +85,7 @@ def __init__(self, arch: Optional['architecture.Architecture'] = None, handle=No
 			self._cb.getGlobalRegisters = self._cb.getGlobalRegisters.__class__(self._get_global_regs)
 			self._cb.freeRegisterList = self._cb.freeRegisterList.__class__(self._free_register_list)
 			self._cb.getGlobalRegisterType = self._cb.getGlobalRegisterType.__class__(self._get_global_reg_type)
-			self._cb.getAddressSize = self._cb.getAddressSize.__class__(lambda ctxt: self._get_address_size)
+			self._cb.getAddressSize = self._cb.getAddressSize.__class__(self._get_address_size)
 			self._cb.adjustTypeParserInput = self._cb.adjustTypeParserInput.__class__(self._adjust_type_parser_input)
 			self._cb.freeTypeParserInput = self._cb.freeTypeParserInput.__class__(self._free_type_parser_input)
 			self._pending_reg_lists = {}
@@ -122,6 +122,7 @@ def __init__(self, arch: Optional['architecture.Architecture'] = None, handle=No
 		self.handle: ctypes.POINTER(core.BNPlatform) = _handle
 		self._arch = _arch
 		self._name = None
+		self._address_size = core.BNGetPlatformAddressSize(_handle)
 
 	def _init(self, ctxt):
 		pass
@@ -171,10 +172,9 @@ def _get_global_reg_type(self, ctxt, reg):
 
 	def _get_address_size(self, ctxt):
 		try:
-			return core.BNGetPlatformAddressSize(self.handle)
+			return self.address_size
 		except:
-			log_error(traceback.format_exc())
-			return None
+			return self.arch.address_size
 
 	def _adjust_type_parser_input(
 			self,
@@ -308,6 +308,10 @@ def name(self) -> str:
 			self._name = core.BNGetPlatformName(self.handle)
 		return self._name
 
+	@property
+	def address_size(self) -> int:
+		return self._address_size
+
 	@classmethod
 	@property
 	def os_list(cls) -> List[str]: