Method append

marimo/_runtime/params.py:122–146

Append a value to a list of values Args: key: The key identifying the list; the list will be created if needed. value: The value to append.

(self, key: str, value: str)

        self[key] = value

    def append(self, key: str, value: str) -> None:
        """Append a value to a list of values

        Args:
            key: The key identifying the list; the list will be created if needed.
            value: The value to append.
        """
        if key not in self._params:
            self._params[key] = value
            broadcast_notification(
                QueryParamsAppendNotification(key, value), self._stream
            )
            self._set_value(self._params)
            return

        current_value = self._params[key]
        if isinstance(current_value, list):
            current_value.append(value)
        else:
            self._params[key] = [current_value, value]

        broadcast_notification(
            QueryParamsAppendNotification(key, value), self._stream
        )
        self._set_value(self._params)

    def remove(self, key: str, value: str | None = None) -> None:
        """Remove a value from a list of values.