我有枚举类型：
class SystemCommands(Enum):
Get_FW_version = (0, 1)
Get_MAC_address = (1,1)
Set_MAC_address = (2,7)
Get_IP_addr = (3,1)
Set_IP_addr = (4,5)
Get_server_IP_addr = (5,1)
Set_server_IP_addr = (6,5)
Get_subnet_Mask = (7,1)
Set_subnet_Mask = (8,5)
Get_Gateway_Address = (9,1)
Set_Gateway_Address = (10,5)
Welcome = (16,1)
Request_Cannot_Served = (17,1)
def __init__(self, CommandCode, length):
self.CommandCode = CommandCode
self.length = length
我想创建一个仅基于int值的enum变量：
code =10
...
Request = SystemCommands(code)
我当然很高兴：
raise ValueError("%r is not a valid %s" % (value, cls.__name__))
ValueError: 10 is not a valid SystemCommands
问题：如何仅基于一个值创建复杂类型的枚举？
from enum import Enum
class SystemCommands(Enum):
Get_FW_version = (0, 1)
Get_MAC_address = (1,1)
Set_MAC_address = (2,7)
Get_IP_addr = (3,1)
Set_IP_addr = (4,5)
Get_server_IP_addr = (5,1)
Set_server_IP_addr = (6,5)
Get_subnet_Mask = (7,1)
Set_subnet_Mask = (8,5)
Get_Gateway_Address = (9,1)
Set_Gateway_Address = (10,5)
Welcome = (16,1)
Request_Cannot_Served = (17,1)
def __init__(self, CommandCode, length):
self.CommandCode = CommandCode
self.length = length
# Moses is right but you can also do something like that (workaround)
# use @unique to protect duplicates
code = 10
for val in SystemCommands:
if val.value[0] == code:
print (val)
# SystemCommands.Set_Gateway_Address
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我来说两句