Relace MCP Server

import json import httpx class RelaceAPIError(Exception): """Relace API error.""" def __init__( self, status_code: int, code: str, message: str, retryable: bool = False, retry_after: float | None = None, ) -> None: self.status_code = status_code self.code = code self.message = message self.retryable = retryable self.retry_after = retry_after super().__init__(f"[{code}] {message} (status={status_code})") class RelaceNetworkError(Exception): """Network layer error, retryable.""" class RelaceTimeoutError(RelaceNetworkError): """Request timeout, retryable.""" def raise_for_status(resp: httpx.Response) -> None: """Raise corresponding RelaceAPIError based on HTTP status. Args: resp: httpx Response object. Raises: RelaceAPIError: Raised when HTTP status is not 2xx. """ if resp.is_success: return # Parse error response code = "unknown" message = resp.text try: data = json.loads(resp.text) if isinstance(data, dict): # Relace format: {"code": "...", "message": "..."} # OpenAI-compatible format: {"error": {"message": "...", "type": "...", "code": "..."}} error = data.get("error") if isinstance(error, dict): code = error.get("code") or error.get("type") or data.get("code", "unknown") message = ( error.get("message") or data.get("message") or data.get("detail") or resp.text ) else: code = str(data.get("code") or data.get("error") or "unknown") message = str(data.get("message") or data.get("detail") or resp.text) except (json.JSONDecodeError, TypeError): pass if not isinstance(code, str): code = str(code) if not isinstance(message, str): message = str(message) # Determine if retryable retryable = False retry_after: float | None = None if resp.status_code == 429: retryable = True if "retry-after" in resp.headers: try: retry_after = float(resp.headers["retry-after"]) except ValueError: pass elif resp.status_code >= 500: retryable = True raise RelaceAPIError( status_code=resp.status_code, code=code, message=message, retryable=retryable, retry_after=retry_after, )