Method _check_writable

tables/file.py:2337–2344

Check whether the file is writable. If the file is not writable, a `FileModeError` is raised.

(self)

        return self.mode in ("w", "a", "r+")

    def _check_writable(self) -> None:
        """Check whether the file is writable.

        If the file is not writable, a `FileModeError` is raised.

        """
        if not self._iswritable():
            raise FileModeError("the file is not writable")

    def _check_group(self, node: Group) -> None:
        # `node` must already be a node.