errors.py•1.46 kB
from fastapi import status
from requests.exceptions import HTTPError, RequestException
from app.mcp.exceptions import APICustomError
def handle_requests_exceptions(e: Exception, url: str) -> None:
"""
Handle all possible request exceptions from the FHIR API.
Args:
e: The caught exception
url: The URL that was being accessed when the error occurred
Raises:
APICustomError: A standardized API error with appropriate status and message
"""
if isinstance(e, HTTPError):
response = e.response
raise APICustomError(
status=response.status_code if response else status.HTTP_500_INTERNAL_SERVER_ERROR,
code="fhir_api_error",
message=f"FHIR API returned HTTP error: {response.text if response else str(e)}",
ctx={"url": url},
)
if isinstance(e, RequestException):
raise APICustomError(
status=status.HTTP_502_BAD_GATEWAY,
code="fhir_connection_error",
message="Failed to connect to FHIR API.",
)
if isinstance(e, ValueError):
raise APICustomError(
status=status.HTTP_500_INTERNAL_SERVER_ERROR,
code="fhir_invalid_response",
message="FHIR API returned invalid JSON.",
)
raise APICustomError(
status=status.HTTP_500_INTERNAL_SERVER_ERROR,
code="unknown_error",
message="Unexpected error occurred.",
)