lsyiot_adapter_hub_sdk
LSY IoT Adapter Hub SDK - 用于与 Adapter Hub RPC 服务进行通信的 Python SDK。
安装
pip install lsyiot-adapter-hub-sdk
快速开始
基本用法
from lsyiot_adapter_hub_sdk import AdapterHubRpcClient, AdapterHubRpcError
# 创建客户端
client = AdapterHubRpcClient("http://localhost:8080/rpc")
# 发送主题消息
try:
result = client.topic_message("sensor/temperature", {"value": 25.5})
if result.is_success:
print(f"发送成功: {result.message}")
else:
print(f"发送失败: {result.message}")
except AdapterHubRpcError as e:
print(f"RPC 错误: {e}")
发送不同类型的消息
from lsyiot_adapter_hub_sdk import AdapterHubRpcClient
client = AdapterHubRpcClient("http://localhost:8080/rpc")
# 发送字符串消息
result = client.topic_message("sensor/temperature", "25.5")
# 发送字典消息
result = client.topic_message("device/status", {
"device_id": "001",
"status": "online",
"timestamp": 1732780800
})
# 发送列表消息
result = client.topic_message("batch/data", [
{"id": 1, "value": 10},
{"id": 2, "value": 20}
])
使用响应结果
from lsyiot_adapter_hub_sdk import AdapterHubRpcClient
client = AdapterHubRpcClient("http://localhost:8080/rpc")
result = client.topic_message("sensor/temperature", {"value": 25.5})
# 访问响应属性
print(result.code) # 状态码,200 表示成功
print(result.message) # 状态消息
print(result.data) # 返回数据
print(result.error) # 是否有错误
print(result.is_success) # 是否成功
# 转换为字典
result_dict = result.to_dict()
# 获取原始 JSON 字符串
raw_json = result.raw
异常处理
from lsyiot_adapter_hub_sdk import AdapterHubRpcClient, AdapterHubRpcError
client = AdapterHubRpcClient("http://localhost:8080/rpc")
try:
result = client.topic_message("sensor/temperature", {"value": 25.5})
except AdapterHubRpcError as e:
print(f"错误码: {e.code}")
print(f"错误消息: {e.message}")
print(f"附加数据: {e.data}")
# 根据错误码处理不同类型的错误
if e.code == -1001:
print("连接失败,请检查服务器地址")
elif e.code == -1002:
print("连接超时")
elif e.code == -1003:
print("响应解析失败")
API 参考
AdapterHubRpcClient
RPC 客户端类,用于与 Adapter Hub 服务通信。
构造函数
AdapterHubRpcClient(rpc_server_url: str)
rpc_server_url: RPC 服务器地址,例如http://localhost:8080/rpc
方法
topic_message
topic_message(topic: str, data: Union[str, Dict, List]) -> AdapterHubRpcResult
发送主题消息到 Adapter Hub。
topic: 主题名称,用于匹配规则中配置的 topicdata: 消息数据,支持字符串、字典或列表
AdapterHubRpcResult
RPC 响应结果类。
属性
| 属性 | 类型 | 说明 |
|---|---|---|
code |
int |
状态码,200 表示成功 |
message |
str |
状态消息 |
data |
Any |
返回数据 |
error |
bool |
是否有错误 |
is_success |
bool |
是否成功 |
raw |
str |
原始 JSON 字符串 |
方法
| 方法 | 说明 |
|---|---|
get(key, default) |
从结果字典中获取值 |
to_dict() |
转换为字典 |
AdapterHubRpcError
RPC 调用异常类。
属性
| 属性 | 类型 | 说明 |
|---|---|---|
code |
int |
错误码 |
message |
str |
错误消息 |
data |
Any |
附加数据 |
错误码说明
| 错误码 | 说明 |
|---|---|
200 |
成功 |
-1 |
业务逻辑错误 |
-1000 |
HTTP 协议错误 |
-1001 |
连接失败 |
-1002 |
连接超时 |
-1003 |
JSON 解析失败 |
-1999 |
未知错误 |
许可证
MIT License
Metadata
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