def __init__(self):
ptr = KeyVal_C_API.new_KeyVal_ptr_ptr()
errcode = KeyVal_C_API.KeyVal_new(ptr)
if errcode != 0:
raise Exception("[ERROR] KeyVal.__init__")
self.kv = KeyVal_C_API.KeyVal_ptr_ptr_value(ptr)
KeyVal_C_API.delete_KeyVal_ptr_ptr(ptr)
