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# Source code for astropy.table

    # Licensed under a 3-clause BSD style license - see LICENSE.rst

    import astropy.config as _config
    from astropy.utils.compat import optional_deps

    from .column import Column, ColumnInfo, MaskedColumn, StringTruncateWarning

    __all__ = [
        "BST",
        "Column",
        "ColumnGroups",
        "ColumnInfo",
        "Conf",
        "JSViewer",
        "MaskedColumn",
        "NdarrayMixin",
        "QTable",
        "Row",
        "SCEngine",
        "SerializedColumn",
        "SortedArray",
        "StringTruncateWarning",
        "Table",
        "TableAttribute",
        "TableColumns",
        "TableFormatter",
        "TableGroups",
        "TableMergeError",
        "TableReplaceWarning",
        "conf",
        "connect",
        "hstack",
        "join",
        "registry",
        "represent_mixins_as_columns",
        "setdiff",
        "unique",
        "vstack",
        "dstack",
        "conf",
        "join_skycoord",
        "join_distance",
        "PprintIncludeExclude",
    ]

    class Conf(_config.ConfigNamespace):
        """
        Configuration parameters for `astropy.table`.
        """

        auto_colname = _config.ConfigItem(
            "col{0}",
            "The template that determines the name of a column if it cannot be "
            "determined. Uses new-style (format method) string formatting.",
            aliases=["astropy.table.column.auto_colname"],
        )
        default_notebook_table_class = _config.ConfigItem(
            "table-striped table-bordered table-condensed",
            "The table class to be used in Jupyter notebooks when displaying "
            "tables (and not overridden). See <https://getbootstrap.com/css/#tables "
            "for a list of useful bootstrap classes.",
        )
        replace_warnings = _config.ConfigItem(
            [],
            "List of conditions for issuing a warning when replacing a table "
            "column using setitem, e.g. t['a'] = value.  Allowed options are "
            "'always', 'slice', 'refcount', 'attributes'.",
            "string_list",
        )
        replace_inplace = _config.ConfigItem(
            False,
            "Always use in-place update of a table column when using setitem, "
            "e.g. t['a'] = value.  This overrides the default behavior of "
            "replacing the column entirely with the new value when possible. "
            "This configuration option will be deprecated and then removed in "
            "subsequent major releases.",
        )

    conf = Conf()

    # Finally import the formats for the read and write method but delay building
    # the documentation until all are loaded. (#5275)
    from astropy.io import registry

    from . import connect
    from .bst import BST
    from .groups import ColumnGroups, TableGroups
    from .operations import (
        TableMergeError,
        dstack,
        hstack,
        join,
        join_distance,
        join_skycoord,
        setdiff,
        unique,
        vstack,
    )
    from .serialize import SerializedColumn, represent_mixins_as_columns
    from .soco import SCEngine
    from .sorted_array import SortedArray
    from .table import (
        NdarrayMixin,
        PprintIncludeExclude,
        QTable,
        Row,
        Table,
        TableAttribute,
        TableColumns,
        TableFormatter,
        TableReplaceWarning,
    )

    with registry.delay_doc_updates(Table):
        # Import routines that connect readers/writers to astropy.table
        import astropy.io.ascii.connect
        import astropy.io.fits.connect
        import astropy.io.misc.connect
        import astropy.io.misc.pandas.connect
        import astropy.io.votable.connect

        from .jsviewer import JSViewer

        if optional_deps.HAS_ASDF_ASTROPY:
            import asdf_astropy.io.connect
        else:
            import astropy.io.misc.asdf.connect