ColumnInfo¶

class astropy.table.ColumnInfo(bound=False)[source] [edit on github]¶

Container for meta information like name, description, format.

This is required when the object is used as a mixin column within a table, but can be used as a general way to store meta information.

Attributes Summary

Methods Summary

new_like(cols, length[, metadata_conflicts, …]) Return a new Column instance which is consistent with the input cols and has length rows.

Attributes Documentation

attrs_from_parent = {'description', 'dtype', 'format', 'indices', 'meta', 'name', 'parent_table', 'unit'}¶

Methods Documentation

new_like(cols, length, metadata_conflicts='warn', name=None)[source] [edit on github]¶

Return a new Column instance which is consistent with the input cols and has length rows.

This is intended for creating an empty column object whose elements can be set in-place for table operations like join or vstack.

Parameters:	cols : list List of input columns length : int Length of the output column object metadata_conflicts : str (‘warn’\|’error’\|’silent’) How to handle metadata conflicts name : str Output column name
Returns:	col : Column (or subclass) New instance of this class consistent with `cols`