from abaqusConstants import *


class HistoryVariable:
    """The HistoryVariable object stores history data.

    Attributes
    ----------
    name: str
        A String specifying the history request label. This String is read-only.
    legendLabel: str
        A String specifying the legend text. This String is read-only.
    steps: SymbolicConstant
        A tuple of (String, Int, SymbolicConstant) tuples specifying the steps. This sequence is
        read-only. Each inner sequence contains the following elements:**stepLabel**: A String
        specifying the step label.**stepNumber**: An Int specifying the step
        number.**procedureDomain**: A SymbolicConstant specifying the analysis type of the step,
        which can have these values: “TIME,” “FREQUENCY,” or “MODAL.”

    Notes
    -----
    This object can be accessed by:

    .. code-block:: python

        import visualization
        session.odbData[name].historyVariables[i]
    """

    # A String specifying the history request label. This String is read-only.
    name: str = ""

    # A String specifying the legend text. This String is read-only.
    legendLabel: str = ""

    # A tuple of (String, Int, SymbolicConstant) tuples specifying the steps. This sequence is
    # read-only. Each inner sequence contains the following elements:*stepLabel*: A String
    # specifying the step label.*stepNumber*: An Int specifying the step
    # number.*procedureDomain*: A SymbolicConstant specifying the analysis type of the step,
    # which can have these values: “TIME,” “FREQUENCY,” or “MODAL.”
    steps: SymbolicConstant = None
