Class ErrorInfo

mypy/errors.py:71–200

Representation of a single error message.

class ErrorInfo:
    """Representation of a single error message."""

    # Description of a sequence of imports that refer to the source file
    # related to this error. Each item is a (path, line number) tuple.
    import_ctx: list[tuple[str, int]]
    # Type and function/method where this error occurred. Unqualified, may be None.
    local_ctx: tuple[str | None, str | None]

    # The line number related to this error within file.
    line = 0  # -1 if unknown
    # The column number related to this error with file.
    column = 0  # -1 if unknown
    # The end line number related to this error within file.
    end_line = 0  # -1 if unknown
    # The end column number related to this error with file.
    end_column = 0  # -1 if unknown
    # Either 'error' or 'note'
    severity = ""
    # The error message.
    message = ""
    # The error code.
    code: ErrorCode | None = None

    # If True, we should halt build after the file that generated this error.
    blocker = False
    # Only report this particular messages once per program.
    only_once = False

    # These two are used by the daemon:
    # The fully-qualified id of the source module for this error.
    module: str | None
    # Fine-grained incremental target where this was reported
    target: str | None

    # Lines where `type: ignores` will have effect on this error, for most errors
    # this is just [line]. But sometimes may be custom, e.g. for override errors
    # in methods with multi-line definition.
    origin_span: Iterable[int]
    # For errors on the same line you can use this to customize their sorting
    # (lower value means show first).
    priority: int
    # If True, don't show this message in output, but still record the error.
    hidden = False

    # For notes, specifies (optionally) the error this note is attached to. This is used to
    # simplify error code matching and de-duplication logic for complex multi-line notes.
    parent_error: ErrorInfo | None = None

    def __init__(
        self,
        *,
        import_ctx: list[tuple[str, int]],
        local_ctx: tuple[str | None, str | None],
        line: int,
        column: int,
        end_line: int,
        end_column: int,