def _query_from_native(cls, query_exec_ptr, obj, params_ptr):
# this can raise, in which case the native call to
# bt_component_class_query() returns NULL
if params_ptr is not None:
native_bt.get(params_ptr)
params = bt2.values._create_from_ptr(params_ptr)
else:
params = None
native_bt.get(query_exec_ptr)
query_exec = bt2.QueryExecutor._create_from_ptr(query_exec_ptr)
# this can raise, but the native side checks the exception
results = cls._query(query_exec, obj, params)
if results is NotImplemented:
return results
# this can raise, but the native side checks the exception
results = bt2.create_value(results)
if results is None:
results_addr = int(native_bt.value_null)
else:
# return new reference
results._get()
results_addr = int(results._ptr)
return results_addr
def _query_from_native(cls, query_exec_ptr, obj, params_ptr):
# this can raise, in which case the native call to
# bt_component_class_query() returns NULL
if params_ptr is not None:
native_bt.get(params_ptr)
params = bt2.values._create_from_ptr(params_ptr)
else:
params = None
native_bt.get(query_exec_ptr)
query_exec = bt2.QueryExecutor._create_from_ptr(query_exec_ptr)
# this can raise, but the native side checks the exception
results = cls._query(query_exec, obj, params)
if results is NotImplemented:
return results
# this can raise, but the native side checks the exception
results = bt2.create_value(results)
if results is None:
results_addr = int(native_bt.value_null)
else:
# return new reference
results._get()
results_addr = int(results._ptr)
return results_addr
def _port_disconnected_from_native(self, port_ptr):
native_bt.get(port_ptr)
port = bt2.port._create_private_from_ptr(port_ptr)
try:
self._port_disconnected(port)
except:
if not _NO_PRINT_TRACEBACK:
traceback.print_exc()
def _port_disconnected_from_native(self, port_ptr):
native_bt.get(port_ptr)
port = bt2.port._create_private_from_ptr(port_ptr)
try:
self._port_disconnected(port)
except:
if not _NO_PRINT_TRACEBACK:
traceback.print_exc()
def _accept_port_connection_from_native(self, port_ptr, other_port_ptr):
native_bt.get(port_ptr)
native_bt.get(other_port_ptr)
port = bt2.port._create_private_from_ptr(port_ptr)
other_port = bt2.port._create_from_ptr(other_port_ptr)
res = self._accept_port_connection(port, other_port_ptr)
if type(res) is not bool:
raise TypeError("'{}' is not a 'bool' object")
return res
def _accept_port_connection_from_native(self, port_ptr, other_port_ptr):
native_bt.get(port_ptr)
native_bt.get(other_port_ptr)
port = bt2.port._create_private_from_ptr(port_ptr)
other_port = bt2.port._create_from_ptr(other_port_ptr)
res = self._accept_port_connection(port, other_port_ptr)
if type(res) is not bool:
raise TypeError("'{}' is not a 'bool' object")
return res
def _init_from_native(cls, comp_ptr, params_ptr):
# create instance, not user-initialized yet
self = cls.__new__(cls)
# pointer to native private component object (weak/borrowed)
self._ptr = comp_ptr
# call user's __init__() method
if params_ptr is not None:
native_bt.get(params_ptr)
params = bt2.values._create_from_ptr(params_ptr)
else:
params = None
self.__init__(params)
return self
def _init_from_native(cls, comp_ptr, params_ptr):
# create instance, not user-initialized yet
self = cls.__new__(cls)
# pointer to native private component object (weak/borrowed)
self._ptr = comp_ptr
# call user's __init__() method
if params_ptr is not None:
native_bt.get(params_ptr)
params = bt2.values._create_from_ptr(params_ptr)
else:
params = None
self.__init__(params)
return self
def _get(self):
native_bt.get(self._ptr)
def _get(self):
native_bt.get(self._ptr)