33 lines
907 B
Python
33 lines
907 B
Python
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#!/usr/bin/env python
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import sys
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from agate.data_types import Text
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from agate.table import Table
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def print_structure(self, max_rows=20, output=sys.stdout):
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"""
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Print the keys and row counts of each table in the tableset.
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:param max_rows:
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The maximum number of rows to display before truncating the data.
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Defaults to 20.
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:param output:
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The output used to print the structure of the :class:`Table`.
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:returns:
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None
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"""
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max_length = min(len(self.items()), max_rows)
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name_column = self.keys()[0:max_length]
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type_column = [str(len(table.rows)) for key, table in self.items()[0:max_length]]
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rows = zip(name_column, type_column)
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column_names = ['table', 'rows']
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text = Text()
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column_types = [text, text]
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table = Table(rows, column_names, column_types)
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return table.print_table(output=output, max_column_width=None)
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