Exceptions reference

Ariadne defines some custom exception types that can be imported from ariadne.exceptions module:

`GraphQLFileSyntaxError`

class GraphQLFileSyntaxError(Exception):
    ...

Raised by load_schema_from_path when loaded GraphQL file has invalid syntax.

def __init__(self, file_path: Union[str, os.PathLike], message: str):
    ...

Initializes the GraphQLFileSyntaxError with file name and error.

file_path: a str or PathLike object pointing to a file that failed to validate.

message: a str with validation message.

def format_message(
    self,
    file_path: Union[str, os.PathLike],
    message: str,
) -> None:
    ...

Builds final error message from path to schema file and error message.

Returns str with final error message.

file_path: a str or PathLike object pointing to a file that failed to validate.

message: a str with validation message.

def __str__(self) -> None:
    ...

Returns error message.

class HttpBadRequestError(HttpError):
    ...

Raised when request did not contain the data required to execute the GraphQL query.

def __init__(self, message: Optional[str] = None):
    ...

Initializes the HttpBadRequestError with optional error message.

class HttpError(Exception):
    ...

Base class for HTTP errors raised inside the ASGI and WSGI servers.

def __init__(self, status: str, message: Optional[str] = None):
    ...

Initializes the HttpError with a status and optional error message.

status: HTTP status code as HttpStatusResponse. message: Optional error message to return in the response body.

class HttpStatusResponse(Enum):
    ...

class WebSocketConnectionError(Exception):
    ...

Special error class enabling custom error reporting for on_connect

def __init__(self, payload: Optional[Union[dict, str]] = None):
    ...