Exceptions

Exceptions raised by Google API core & clients.

This module provides base classes for all errors raised by libraries based on google.api_core, including both HTTP and gRPC clients.

exception google.api_core.exceptions.Aborted(message, errors=(), response=None)

Bases: google.api_core.exceptions.Conflict

Exception mapping a grpc.StatusCode.ABORTED error.

exception google.api_core.exceptions.AlreadyExists(message, errors=(), response=None)

Bases: google.api_core.exceptions.Conflict

Exception mapping a grpc.StatusCode.ALREADY_EXISTS error.

exception google.api_core.exceptions.BadGateway(message, errors=(), response=None)

Bases: google.api_core.exceptions.ServerError

Exception mapping a 502 Bad Gateway response.

exception google.api_core.exceptions.BadRequest(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 400 Bad Request response.

exception google.api_core.exceptions.Cancelled(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a grpc.StatusCode.CANCELLED error.

exception google.api_core.exceptions.ClientError(message, errors=(), response=None)

Bases: google.api_core.exceptions.GoogleAPICallError

Base class for all client error (HTTP 4xx) responses.

exception google.api_core.exceptions.Conflict(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 409 Conflict response.

exception google.api_core.exceptions.DataLoss(message, errors=(), response=None)

Bases: google.api_core.exceptions.ServerError

Exception mapping a grpc.StatusCode.DATA_LOSS error.

exception google.api_core.exceptions.DeadlineExceeded(message, errors=(), response=None)

Bases: google.api_core.exceptions.GatewayTimeout

Exception mapping a grpc.StatusCode.DEADLINE_EXCEEDED error.

exception google.api_core.exceptions.FailedPrecondition(message, errors=(), response=None)

Bases: google.api_core.exceptions.BadRequest

Exception mapping a grpc.StatusCode.FAILED_PRECONDITION error.

exception google.api_core.exceptions.Forbidden(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 403 Forbidden response.

exception google.api_core.exceptions.GatewayTimeout(message, errors=(), response=None)

Bases: google.api_core.exceptions.ServerError

Exception mapping a 504 Gateway Timeout response.

exception google.api_core.exceptions.GoogleAPICallError(message, errors=(), response=None)

Bases: google.api_core.exceptions.GoogleAPIError

Base class for exceptions raised by calling API methods.

Parameters

• message (str) – The exception message.

• errors (Sequence[Any]) – An optional list of error details.

• response (Union[requests.Request, grpc.Call]) – The response or gRPC call metadata.

code = None

The HTTP status code associated with this error.

This may be None if the exception does not have a direct mapping to an HTTP error.

See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html

Type

Optional[int]

property errors

Detailed error information.

Returns

A list of additional error details.

Return type

Sequence[Any]

grpc_status_code = None

The gRPC status code associated with this error.

This may be None if the exception does not match up to a gRPC error.

Type

Optional[grpc.StatusCode]

message = None

The exception message.

Type

str

property response

The response or gRPC call metadata.

Type

Optional[Union[requests.Request, grpc.Call]]

exception google.api_core.exceptions.GoogleAPIError

Bases: Exception

Base class for all exceptions raised by Google API Clients.

exception google.api_core.exceptions.InternalServerError(message, errors=(), response=None)

Bases: google.api_core.exceptions.ServerError

Exception mapping a 500 Internal Server Error response. or a grpc.StatusCode.INTERNAL error.

exception google.api_core.exceptions.InvalidArgument(message, errors=(), response=None)

Bases: google.api_core.exceptions.BadRequest

Exception mapping a grpc.StatusCode.INVALID_ARGUMENT error.

exception google.api_core.exceptions.LengthRequired(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 411 Length Required response.

exception google.api_core.exceptions.MethodNotAllowed(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 405 Method Not Allowed response.

exception google.api_core.exceptions.MethodNotImplemented(message, errors=(), response=None)

Bases: google.api_core.exceptions.ServerError

Exception mapping a 501 Not Implemented response or a grpc.StatusCode.UNIMPLEMENTED error.

exception google.api_core.exceptions.MovedPermanently(message, errors=(), response=None)

Bases: google.api_core.exceptions.Redirection

Exception mapping a 301 Moved Permanently response.

exception google.api_core.exceptions.NotFound(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 404 Not Found response or a grpc.StatusCode.NOT_FOUND error.

exception google.api_core.exceptions.NotModified(message, errors=(), response=None)

Bases: google.api_core.exceptions.Redirection

Exception mapping a 304 Not Modified response.

exception google.api_core.exceptions.OutOfRange(message, errors=(), response=None)

Bases: google.api_core.exceptions.BadRequest

Exception mapping a grpc.StatusCode.OUT_OF_RANGE error.

exception google.api_core.exceptions.PermissionDenied(message, errors=(), response=None)

Bases: google.api_core.exceptions.Forbidden

Exception mapping a grpc.StatusCode.PERMISSION_DENIED error.

exception google.api_core.exceptions.PreconditionFailed(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 412 Precondition Failed response.

exception google.api_core.exceptions.Redirection(message, errors=(), response=None)

Bases: google.api_core.exceptions.GoogleAPICallError

Base class for for all redirection (HTTP 3xx) responses.

exception google.api_core.exceptions.RequestRangeNotSatisfiable(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 416 Request Range Not Satisfiable response.

exception google.api_core.exceptions.ResourceExhausted(message, errors=(), response=None)

Bases: google.api_core.exceptions.TooManyRequests

Exception mapping a grpc.StatusCode.RESOURCE_EXHAUSTED error.

exception google.api_core.exceptions.ResumeIncomplete(message, errors=(), response=None)

Bases: google.api_core.exceptions.Redirection

Exception mapping a 308 Resume Incomplete response.

Note

http_client.PERMANENT_REDIRECT is 308, but Google APIs differ in their use of this status code.

exception google.api_core.exceptions.RetryError(message, cause)

Bases: google.api_core.exceptions.GoogleAPIError

Raised when a function has exhausted all of its available retries.

Parameters

• message (str) – The exception message.

• cause (Exception) – The last exception raised when retring the function.

property cause

The last exception raised when retrying the function.

exception google.api_core.exceptions.ServerError(message, errors=(), response=None)

Bases: google.api_core.exceptions.GoogleAPICallError

Base for 5xx responses.

exception google.api_core.exceptions.ServiceUnavailable(message, errors=(), response=None)

Bases: google.api_core.exceptions.ServerError

Exception mapping a 503 Service Unavailable response or a grpc.StatusCode.UNAVAILABLE error.

exception google.api_core.exceptions.TemporaryRedirect(message, errors=(), response=None)

Bases: google.api_core.exceptions.Redirection

Exception mapping a 307 Temporary Redirect response.

exception google.api_core.exceptions.TooManyRequests(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 429 Too Many Requests response.

exception google.api_core.exceptions.Unauthenticated(message, errors=(), response=None)

Bases: google.api_core.exceptions.Unauthorized

Exception mapping a grpc.StatusCode.UNAUTHENTICATED error.

exception google.api_core.exceptions.Unauthorized(message, errors=(), response=None)

Bases: google.api_core.exceptions.ClientError

Exception mapping a 401 Unauthorized response.

exception google.api_core.exceptions.Unknown(message, errors=(), response=None)

Bases: google.api_core.exceptions.ServerError

Exception mapping a grpc.StatusCode.UNKNOWN error.

google.api_core.exceptions.exception_class_for_grpc_status(status_code)

Return the exception class for a specific grpc.StatusCode.

Parameters

status_code (grpc.StatusCode) – The gRPC status code.

Returns

the appropriate subclass of GoogleAPICallError.

Return type

type()

google.api_core.exceptions.exception_class_for_http_status(status_code)

Return the exception class for a specific HTTP status code.

Parameters

status_code (int) – The HTTP status code.

Returns

the appropriate subclass of GoogleAPICallError.

Return type

type()

google.api_core.exceptions.from_grpc_error(rpc_exc)

Create a GoogleAPICallError from a grpc.RpcError.

Parameters

rpc_exc (grpc.RpcError) – The gRPC error.

Returns

An instance of the appropriate subclass of

GoogleAPICallError.

Return type

GoogleAPICallError

google.api_core.exceptions.from_grpc_status(status_code, message, **kwargs)

Create a GoogleAPICallError from a grpc.StatusCode.

Parameters

• status_code (grpc.StatusCode) – The gRPC status code.

• message (str) – The exception message.

• kwargs – Additional arguments passed to the GoogleAPICallError constructor.

Returns

An instance of the appropriate subclass of

GoogleAPICallError.

Return type

GoogleAPICallError

google.api_core.exceptions.from_http_response(response)

Create a GoogleAPICallError from a requests.Response.

Parameters

response (requests.Response) – The HTTP response.

Returns

An instance of the appropriate subclass of

GoogleAPICallError, with the message and errors populated from the response.

Return type

GoogleAPICallError

google.api_core.exceptions.from_http_status(status_code, message, **kwargs)

Create a GoogleAPICallError from an HTTP status code.

Parameters

• status_code (int) – The HTTP status code.

• message (str) – The exception message.

• kwargs – Additional arguments passed to the GoogleAPICallError constructor.

Returns

An instance of the appropriate subclass of

GoogleAPICallError.

Return type

GoogleAPICallError