Method prefer_simple_messages

mypy/errors.py:989–1008

Should we generate simple/fast error messages? Return True if errors are not shown to user, i.e. errors are ignored or they are collected for internal use only. If True, we should prefer to generate a simple message quickly. All normal errors should still be reporte

(self)

        return file in self.error_info_map and file not in self.ignored_files

    def prefer_simple_messages(self) -> bool:
        """Should we generate simple/fast error messages?

        Return True if errors are not shown to user, i.e. errors are ignored
        or they are collected for internal use only.

        If True, we should prefer to generate a simple message quickly.
        All normal errors should still be reported.
        """
        if self.file in self.ignored_files:
            # Errors ignored, so no point generating fancy messages
            return True
        if self.options.ignore_errors:
            return True
        if self._watchers:
            _watcher = self._watchers[-1]
            if _watcher._filter is True and _watcher._filtered is None:
                # Errors are filtered
                return True
        return False

    def raise_error(self, use_stdout: bool = True) -> NoReturn:
        """Raise a CompileError with the generated messages.