Method _render_column_titles

awscli/table.py:303–333

(self, section, max_width, stream)

                stream.write('+%s+' % ('-' * (max_width - 2)) + '\n')

    def _render_column_titles(self, section, max_width, stream):
        if not section.headers:
            return
        # In order to render the column titles we need to know
        # the width of each of the columns.
        widths = section.calculate_column_widths(
            padding=4, max_width=max_width
        )
        # TODO: Built a list instead of +=, it's more efficient.
        current = ''
        length_so_far = 0
        # The first cell needs both left and right edges '|  foo  |'
        # while subsequent cells only need right edges '  foo  |'.
        first = True
        for width, header in zip(widths, section.headers):
            stylized_header = self._styler.style_header_column(header)
            if first:
                left_edge = '|'
                first = False
            else:
                left_edge = ''
            current += center_text(
                text=stylized_header,
                length=width,
                left_edge=left_edge,
                right_edge='|',
                text_length=get_text_length(header),
            )
            length_so_far += width
        self._write_line_break(stream, widths)
        stream.write(current + '\n')

    def _write_line_break(self, stream, widths):
        # Write out something like: