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Read a `~astropy.table.Table` object from an ASDF file
This requires `asdf `_ to be installed.
By default, this function will look for a Table object with the key of
``data`` in the top-level ASDF tree. The parameters ``data_key`` and
``find_key`` can be used to override the default behavior.
This function is registered as the Table reader for ASDF files with the
unified I/O interface.
Parameters
----------
filename : str or :class:`py.lath:local`
Name of the file to be read
data_key : str
Optional top-level key to use for finding the Table in the tree. If not
provided, uses ``data`` by default. Use of this parameter is not
compatible with ``find_table``.
find_table : function
Optional function to be used for locating the Table in the tree. The
function takes a single parameter, which is a dictionary representing
the top of the ASDF tree. The function must return a
`~astropy.table.Table` instance.
Returns
-------
table : `~astropy.table.Table`
`~astropy.table.Table` instance
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Write a `~astropy.table.Table` object to an ASDF file.
This requires `asdf `_ to be installed.
By default, this function will write a Table object in the top-level ASDF
tree using the key of ``data``. The parameters ``data_key`` and
``make_tree`` can be used to override the default behavior.
This function is registered as the Table writer for ASDF files with the
unified I/O interface.
Parameters
----------
table : `~astropy.table.Table`
`~astropy.table.Table` instance to be written
filename : str or :class:`py.path:local`
Name of the new ASDF file to be created
data_key : str
Optional top-level key in the ASDF tree to use when writing the Table.
If not provided, uses ``data`` by default. Use of this parameter is not
compatible with ``make_tree``.
make_tree : function
Optional function to be used for creating the ASDF tree. The function
takes a single parameter, which is the `~astropy.table.Table` instance
to be written. The function must return a `dict` representing the ASDF
tree to be created.
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