File size: 5,936 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 | """Module for error presentation."""
from __future__ import annotations
import logging
from dataclasses import dataclass
from typing import Any
logger = logging.getLogger(__name__)
@dataclass(frozen=True)
class ErrorEnvelope:
code: str
message: str
errors: dict[str, Any]
retryable: bool = False
channel: str = "http"
def to_payload(self, *, include_legacy_error: bool = True) -> dict[str, Any]:
payload: dict[str, Any] = {
"code": self.code,
"message": self.message,
"errors": self.errors or {},
"retryable": bool(self.retryable),
}
if self.channel:
payload["channel"] = self.channel
if include_legacy_error:
payload["error"] = self.message
return payload
class ExceptionPresenter:
def present(
self,
exc: Exception,
*,
channel: str,
debug: bool = False,
) -> tuple[ErrorEnvelope, int | None]:
from apps.core.exceptions import (
AuthenticationError,
BusinessException,
ExternalServiceError,
RecognitionTimeoutError,
ServiceUnavailableError,
)
if isinstance(exc, BusinessException):
status = self._status_for_business_exception(exc)
retryable = self._retryable_for_business_exception(exc)
return (
ErrorEnvelope(
code=exc.code,
message=str(exc.message),
errors=exc.errors or {},
retryable=retryable,
channel=channel,
),
status,
)
try:
from apps.core.llm.exceptions import (
LLMAPIError,
LLMAuthenticationError,
LLMBackendUnavailableError,
LLMTimeoutError,
)
if isinstance(exc, LLMAuthenticationError):
mapped_auth = AuthenticationError(
message=exc.message, code=exc.code, errors=getattr(exc, "errors", None)
)
return self.present(mapped_auth, channel=channel, debug=debug)
if isinstance(exc, LLMBackendUnavailableError):
mapped_unavail = ServiceUnavailableError(
message=exc.message, code=exc.code, errors=getattr(exc, "errors", None)
)
return self.present(mapped_unavail, channel=channel, debug=debug)
if isinstance(exc, LLMTimeoutError):
mapped_timeout = RecognitionTimeoutError(
message=exc.message, code=exc.code, errors=getattr(exc, "errors", None)
)
return self.present(mapped_timeout, channel=channel, debug=debug)
if isinstance(exc, LLMAPIError):
retryable = bool(
getattr(exc, "status_code", None) in (429, 500, 502, 503, 504)
or getattr(exc, "code", "") == "LLM_ALL_BACKENDS_UNAVAILABLE"
)
mapped_ext = ExternalServiceError(
message=exc.message, code=exc.code, errors=getattr(exc, "errors", None)
)
envelope, status = self.present(mapped_ext, channel=channel, debug=debug)
return (
ErrorEnvelope(
code=envelope.code,
message=envelope.message,
errors=envelope.errors,
retryable=retryable,
channel=envelope.channel,
),
status,
)
except (ImportError, AttributeError):
pass
try:
import openai
if isinstance(exc, openai.AuthenticationError):
mapped = AuthenticationError(
message="大模型鉴权失败,请检查配置", code="LLM_AUTH_ERROR", errors={"detail": str(exc)}
)
return self.present(mapped, channel=channel, debug=debug)
except (ImportError, AttributeError):
pass
message = str(exc) if debug else "系统错误,请稍后重试"
return (
ErrorEnvelope(code="INTERNAL_ERROR", message=message, errors={}, retryable=False, channel=channel),
500 if channel == "http" else None,
)
def _status_for_business_exception(self, exc: Exception) -> int | None:
from apps.core.exceptions import (
AuthenticationError,
ConflictError,
ExternalServiceError,
NotFoundError,
PermissionDenied,
RateLimitError,
RecognitionTimeoutError,
ServiceUnavailableError,
ValidationException,
)
status = getattr(exc, "status", None)
if isinstance(status, int) and 100 <= status <= 599:
return status
_STATUS_MAP: list[tuple[type, int]] = [
(ValidationException, 400),
(AuthenticationError, 401),
(PermissionDenied, 403),
(NotFoundError, 404),
(ConflictError, 409),
(RateLimitError, 429),
(ServiceUnavailableError, 503),
(RecognitionTimeoutError, 504),
(ExternalServiceError, 502),
]
for exc_type, code in _STATUS_MAP:
if isinstance(exc, exc_type):
return code
return 400
def _retryable_for_business_exception(self, exc: Exception) -> bool:
from apps.core.exceptions import (
ExternalServiceError,
RateLimitError,
RecognitionTimeoutError,
ServiceUnavailableError,
)
return isinstance(exc, (RateLimitError, ServiceUnavailableError, RecognitionTimeoutError, ExternalServiceError))
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