File size: 6,205 Bytes
b4f2238 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 | """
外部服务相关异常
"""
from __future__ import annotations
from typing import TYPE_CHECKING, Any
if TYPE_CHECKING:
from django.utils.functional import Promise
from .base import BusinessException
__all__: list[str] = [
"ExternalServiceError",
"ServiceUnavailableError",
"RecognitionTimeoutError",
"TokenError",
"APIError",
"NetworkError",
"AutoTokenAcquisitionError",
"LoginFailedError",
"NoAvailableAccountError",
"TokenAcquisitionTimeoutError",
"CaptchaRecognitionError",
]
class ExternalServiceError(BusinessException):
"""
外部服务错误
使用场景:
- 第三方 API 调用失败
- 外部服务不可用
HTTP 状态码:502
"""
def __init__(
self, message: str | Promise = "外部服务错误", code: str | None = None, errors: dict[str, Any] | None = None
) -> None:
super().__init__(message=message, code=code or "EXTERNAL_SERVICE_ERROR", errors=errors)
class ServiceUnavailableError(ExternalServiceError):
"""
服务不可用异常
使用场景:
- AI 服务(如 Ollama)不可用
- 依赖服务暂时不可用
- 服务维护中
HTTP 状态码:503
"""
def __init__(
self,
message: str | Promise = "服务暂时不可用",
code: str | None = None,
errors: dict[str, Any] | None = None,
service_name: str | None = None,
) -> None:
if service_name:
errors = errors or {}
errors["service"] = service_name
super().__init__(message=message, code=code or "SERVICE_UNAVAILABLE", errors=errors)
self.service_name = service_name
class RecognitionTimeoutError(ExternalServiceError):
"""
识别超时异常
使用场景:
- AI 识别超时
- OCR 处理超时
- 文档处理超时
HTTP 状态码:504
"""
def __init__(
self,
message: str | Promise = "识别超时",
code: str | None = None,
errors: dict[str, Any] | None = None,
timeout_seconds: float | None = None,
) -> None:
if timeout_seconds is not None:
errors = errors or {}
errors["timeout_seconds"] = timeout_seconds
super().__init__(message=message, code=code or "RECOGNITION_TIMEOUT", errors=errors)
self.timeout_seconds = timeout_seconds
class TokenError(BusinessException):
"""
Token 错误
使用场景:
- Token 不存在
- Token 已过期
- Token 无效
HTTP 状态码:401
"""
def __init__(
self, message: str | Promise = "Token 错误", code: str | None = None, errors: dict[str, Any] | None = None
) -> None:
super().__init__(message=message, code=code or "TOKEN_ERROR", errors=errors)
class APIError(ExternalServiceError):
"""
API 调用错误
使用场景:
- API 返回错误状态码
- API 响应格式错误
- API 业务逻辑错误
HTTP 状态码:502
"""
def __init__(
self, message: str | Promise = "API 调用错误", code: str | None = None, errors: dict[str, Any] | None = None
) -> None:
super().__init__(message=message, code=code or "API_ERROR", errors=errors)
class NetworkError(ExternalServiceError):
"""
网络错误
使用场景:
- 网络连接失败
- 请求超时
- 连接被拒绝
HTTP 状态码:502
"""
def __init__(
self, message: str | Promise = "网络错误", code: str | None = None, errors: dict[str, Any] | None = None
) -> None:
super().__init__(message=message, code=code or "NETWORK_ERROR", errors=errors)
class AutoTokenAcquisitionError(ExternalServiceError):
"""
自动Token获取基础异常
使用场景:
- 自动Token获取流程中的各种错误
- 作为其他Token获取异常的基类
HTTP 状态码:502
"""
def __init__(
self,
message: str | Promise = "自动Token获取失败",
code: str | None = None,
errors: dict[str, Any] | None = None,
) -> None:
super().__init__(message=message, code=code or "AUTO_TOKEN_ACQUISITION_ERROR", errors=errors)
class LoginFailedError(AutoTokenAcquisitionError):
"""
登录失败异常
使用场景:
- 账号密码错误
- 验证码识别失败
- 登录流程异常
HTTP 状态码:502
"""
def __init__(
self,
message: str | Promise = "登录失败",
code: str | None = None,
errors: dict[str, Any] | None = None,
attempts: list[Any] | None = None,
) -> None:
super().__init__(message=message, code=code or "LOGIN_FAILED", errors=errors)
self.attempts = attempts or []
class NoAvailableAccountError(AutoTokenAcquisitionError):
"""
无可用账号异常
使用场景:
- 没有配置账号凭证
- 所有账号都已失效
- 所有账号都在黑名单中
HTTP 状态码:502
"""
def __init__(
self, message: str | Promise = "无可用账号", code: str | None = None, errors: dict[str, Any] | None = None
) -> None:
super().__init__(message=message, code=code or "NO_AVAILABLE_ACCOUNT", errors=errors)
class TokenAcquisitionTimeoutError(AutoTokenAcquisitionError):
"""
Token获取超时异常
使用场景:
- 登录过程超时
- Token获取流程超时
HTTP 状态码:502
"""
def __init__(
self, message: str | Promise = "Token获取超时", code: str | None = None, errors: dict[str, Any] | None = None
) -> None:
super().__init__(message=message, code=code or "TOKEN_ACQUISITION_TIMEOUT", errors=errors)
class CaptchaRecognitionError(ExternalServiceError):
"""
验证码识别错误
使用场景:
- 验证码识别失败
- 验证码图片格式不支持
- 验证码识别服务异常
HTTP 状态码:502
"""
def __init__(
self, message: str | Promise = "验证码识别失败", code: str | None = None, errors: dict[str, Any] | None = None
) -> None:
super().__init__(message=message, code=code or "CAPTCHA_RECOGNITION_ERROR", errors=errors)
|