html_writer.py 文件源码

def _to_html(row_col_dict, **kwargs):
        '''
        Args:
        row_col_dict: dict with (0, 0, 0, 0) : (Value, Style)
        '''
        def wrap_tr(offsets):
            s = []
            nesting_level = row_col_dict[offsets[0]].nesting_level
            for offset in offsets:
                row_span = offset.end_row - offset.start_row + 1
                col_span = offset.end_col - offset.start_col + 1
                value = row_col_dict[offset].value
                style = row_col_dict[offset].style_wrapper.user_style
                style = HTMLWriter.style_to_str(style)

                td_attr = dict(
                    rowspan=row_span,
                    colspan=col_span, style=style)
                if nesting_level > row_col_dict[offset].nesting_level:
                    # we have encountered a nested table
                    inner_html = HTMLWriter._to_html(value)
                else:
                    inner_html = value
                td = HTMLWriter._wrap_table_element('td', td_attr, inner_html)
                s.extend(td)
            tr = HTMLWriter._wrap_table_element('tr', {}, ''.join(s))
            return tr

        trs = []
        for _, offsets in groupby(sorted(row_col_dict), key=lambda x: (x[0])):
            trs.append(wrap_tr(list(offsets)))

        table_attrs = kwargs or dict()
        return HTMLWriter._wrap_table_element(
            'table',
            table_attrs,
            ''.join(trs))