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coze-workload-identity

Python SDK for Coze workload identity authentication

pipPyPI
Version
0.1.13
Weekly downloads
379
-13.07%
Maintainers
1
Weekly downloads
 

Coze Workload Identity SDK

Python SDK,用于 Coze 工作负载身份认证(OAuth2.0 Token Exchange 流程)。

功能特性

  • OAuth2.0 双步 Token 交换流程
  • 进程级 Token 缓存,自动处理过期(提前 1 分钟刷新)
  • 泳道(Lane)支持:BOE、PPE、自定义环境
  • 集成凭证(Integration Credential)获取
  • 项目环境变量获取
  • HTTPS 代理 + 自定义 CA 证书支持
  • 线程安全

安装

pip install coze-workload-identity

快速开始

1. 配置环境变量

环境变量说明是否必须
COZE_WORKLOAD_IDENTITY_CLIENT_ID客户端 ID
COZE_WORKLOAD_IDENTITY_CLIENT_SECRET客户端密钥
COZE_WORKLOAD_IDENTITY_TOKEN_ENDPOINTID Token 获取端点
COZE_WORKLOAD_ACCESS_TOKEN_ENDPOINTAccess Token 交换端点
COZE_OUTBOUND_AUTH_ENDPOINT集成凭证 / 环境变量端点仅特定接口需要
COZE_SERVER_ENV泳道环境(默认 NONE

2. 获取 Access Token

from coze_workload_identity import Client

with Client() as client:
    token = client.get_access_token()
    print(f"Access Token: {token}")

3. 使用环境变量常量(推荐)

import os
from coze_workload_identity.env_keys import (
    COZE_WORKLOAD_IDENTITY_CLIENT_ID,
    COZE_WORKLOAD_IDENTITY_CLIENT_SECRET,
    COZE_WORKLOAD_IDENTITY_TOKEN_ENDPOINT,
    COZE_WORKLOAD_ACCESS_TOKEN_ENDPOINT,
)

os.environ[COZE_WORKLOAD_IDENTITY_CLIENT_ID] = "your_client_id"
os.environ[COZE_WORKLOAD_IDENTITY_CLIENT_SECRET] = "your_client_secret"
os.environ[COZE_WORKLOAD_IDENTITY_TOKEN_ENDPOINT] = "https://auth.example.com/token"
os.environ[COZE_WORKLOAD_ACCESS_TOKEN_ENDPOINT] = "https://auth.example.com/access-token"

API 说明

Client(timeout=(5, 30))

主入口类,支持上下文管理器(with 语句)。

  • timeout:HTTP 请求超时,格式为 (连接超时秒数, 读取超时秒数),默认 (5, 30)

get_access_token() -> str

获取 Access Token(优先从缓存返回)。

内部流程:

  • client_credentials grant 请求 ID Token
  • 用 ID Token 通过 token-exchange grant 换取 Access Token
  • 缓存 Access Token(到期前 1 分钟自动过期)

get_integration_credential(integration_name: str) -> str

获取指定集成的凭证字符串。需要配置 COZE_OUTBOUND_AUTH_ENDPOINT

get_project_env_vars() -> ProjectEnvVars

获取项目环境变量列表。需要配置 COZE_OUTBOUND_AUTH_ENDPOINT

env_vars = client.get_project_env_vars()

# 迭代
for var in env_vars:
    print(f"{var.key} = {var.value}")

# 按 key 读取
value = env_vars.get("MY_KEY", default="")
value = env_vars["MY_KEY"]          # key 不存在时抛出 KeyError
exists = "MY_KEY" in env_vars

泳道(Lane)配置

通过 COZE_SERVER_ENV 控制,影响请求头注入:

注入的请求头
NONE(默认)
boe_<name>x-tt-env: boe_<name>
ppe_<name>x-tt-env: ppe_<name> + x-use-ppe: 1
其他值x-tt-env: <值>

代理配置

通过以下环境变量配置出口代理:

环境变量说明
COZE_OUTBOUND_AUTH_PROXYHTTPS 代理地址
identity_ticket代理认证票据(Coze Space 沙箱使用,作为 Basic Auth 密码)
COZE_OUTBOUND_AUTH_PROXY_CACA 证书内容(优先级高于路径)
COZE_OUTBOUND_AUTH_PROXY_CA_PATHCA 证书文件路径

使用代理请求时,用 coze_workload_identity.requests 替代标准 requests

from coze_workload_identity import requests

response = requests.get("https://api.example.com/data")
response = requests.post("https://api.example.com/data", json={"key": "value"})

ConfiguredSession 会自动注入代理和 CA 配置,默认超时同为 (5, 30)

异常处理

from coze_workload_identity import (
    Client,
    WorkloadIdentityError,
    ConfigurationError,
    TokenRetrievalError,
    TokenExchangeError,
)

try:
    with Client() as client:
        token = client.get_access_token()
except ConfigurationError as e:
    print(f"配置缺失: {e}")
except TokenRetrievalError as e:
    print(f"ID Token 获取失败: {e}")
except TokenExchangeError as e:
    print(f"Token 交换失败: {e}")
except WorkloadIdentityError as e:
    print(f"SDK 错误: {e}")

异常层级:

WorkloadIdentityError
├── ConfigurationError    # 必要环境变量缺失或无效
├── TokenRetrievalError   # ID Token 请求失败
└── TokenExchangeError    # Access Token 交换失败

多线程

SDK 的 Token 缓存是进程级单例,所有 Client 实例共享同一缓存,线程安全:

import threading
from coze_workload_identity import Client

def worker():
    with Client() as client:
        token = client.get_access_token()  # 自动命中缓存,无重复请求

threads = [threading.Thread(target=worker) for _ in range(10)]
for t in threads:
    t.start()
for t in threads:
    t.join()

开发

# 安装开发依赖
pip install -e ".[dev]"

# 运行测试(含覆盖率)
python run_tests.py

# 运行测试(不含覆盖率)
python run_tests.py --no-coverage

# 运行单个测试文件
python -m pytest tests/test_client.py -v

# 代码格式化
black coze_workload_identity/

# 类型检查
mypy coze_workload_identity/

# Lint
flake8 coze_workload_identity/

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