How to use the openpyxl.xml.functions.start_tag function in openpyxl

worksheet.conditional_formatting.adjustPriority()

    for range_string, rules in iteritems(worksheet.conditional_formatting.cf_rules):
        if not len(rules):
            # Skip if there are no rules.  This is possible if a dataBar rule was read in and ignored.
            continue
        start_tag(doc, 'conditionalFormatting', {'sqref': range_string})
        for rule in rules:
            if rule['type'] == 'dataBar':
                # Ignore - uses extLst tag which is currently unsupported.
                continue
            attr = {'type': rule['type']}
            for rule_attr in ConditionalFormatting.rule_attributes:
                if rule_attr in rule:
                    attr[rule_attr] = str(rule[rule_attr])
            start_tag(doc, 'cfRule', attr)
            if 'formula' in rule:
                for f in rule['formula']:
                    tag(doc, 'formula', None, f)
            if 'colorScale' in rule:
                start_tag(doc, 'colorScale')
                for cfvo in rule['colorScale']['cfvo']:
                    tag(doc, 'cfvo', cfvo)
                for color in rule['colorScale']['color']:
                    if str(color.index).split(':')[0] == 'theme':  # strip prefix theme if marked as such
                        if str(color.index).split(':')[2]:
                            tag(doc, 'color', {'theme': str(color.index).split(':')[1],
                                               'tint': str(color.index).split(':')[2]})
                        else:
                            tag(doc, 'color', {'theme': str(color.index).split(':')[1]})
                    else:
                        tag(doc, 'color', {'rgb': str(color.index)})

def write_worksheet_conditional_formatting(doc, worksheet):
    """Write conditional formatting to xml."""
    for range_string, rules in iteritems(worksheet.conditional_formatting.cf_rules):
        if not len(rules):
            # Skip if there are no rules.  This is possible if a dataBar rule was read in and ignored.
            continue
        start_tag(doc, 'conditionalFormatting', {'sqref': range_string})
        for rule in rules:
            if rule['type'] == 'dataBar':
                # Ignore - uses extLst tag which is currently unsupported.
                continue
            attr = {'type': rule['type']}
            for rule_attr in ConditionalFormatting.rule_attributes:
                if rule_attr in rule:
                    attr[rule_attr] = str(rule[rule_attr])
            start_tag(doc, 'cfRule', attr)
            if 'formula' in rule:
                for f in rule['formula']:
                    tag(doc, 'formula', None, f)
            if 'colorScale' in rule:
                start_tag(doc, 'colorScale')
                for cfvo in rule['colorScale']['cfvo']:
                    tag(doc, 'cfvo', cfvo)
                for color in rule['colorScale']['color']:
                    if str(color.index).split(':')[0] == 'theme':  # strip prefix theme if marked as such
                        if str(color.index).split(':')[2]:
                            tag(doc, 'color', {'theme': str(color.index).split(':')[1],
                                               'tint': str(color.index).split(':')[2]})
                        else:
                            tag(doc, 'color', {'theme': str(color.index).split(':')[1]})
                    else:
                        tag(doc, 'color', {'rgb': str(color.index)})

continue
        start_tag(doc, 'conditionalFormatting', {'sqref': range_string})
        for rule in rules:
            if rule['type'] == 'dataBar':
                # Ignore - uses extLst tag which is currently unsupported.
                continue
            attr = {'type': rule['type']}
            for rule_attr in ConditionalFormatting.rule_attributes:
                if rule_attr in rule:
                    attr[rule_attr] = str(rule[rule_attr])
            start_tag(doc, 'cfRule', attr)
            if 'formula' in rule:
                for f in rule['formula']:
                    tag(doc, 'formula', None, f)
            if 'colorScale' in rule:
                start_tag(doc, 'colorScale')
                for cfvo in rule['colorScale']['cfvo']:
                    tag(doc, 'cfvo', cfvo)
                for color in rule['colorScale']['color']:
                    if str(color.index).split(':')[0] == 'theme':  # strip prefix theme if marked as such
                        if str(color.index).split(':')[2]:
                            tag(doc, 'color', {'theme': str(color.index).split(':')[1],
                                               'tint': str(color.index).split(':')[2]})
                        else:
                            tag(doc, 'color', {'theme': str(color.index).split(':')[1]})
                    else:
                        tag(doc, 'color', {'rgb': str(color.index)})
                end_tag(doc, 'colorScale')
            if 'iconSet' in rule:
                iconAttr = {}
                for icon_attr in ConditionalFormatting.icon_attributes:
                    if icon_attr in rule['iconSet']:

def write_worksheet_datavalidations(doc, worksheet):
    """ Write data validation(s) to xml."""
    # Filter out "empty" data-validation objects (i.e. with 0 cells)
    required_dvs = [x for x in worksheet._data_validations
                    if len(x.cells) or len(x.ranges)]
    count = len(required_dvs)
    if count == 0:
        return

    start_tag(doc, 'dataValidations', {'count': str(count)})
    for data_validation in required_dvs:
        start_tag(doc, 'dataValidation', data_validation.generate_attributes_map())
        if data_validation.formula1:
            tag(doc, 'formula1', body=data_validation.formula1)
        if data_validation.formula2:
            tag(doc, 'formula2', body=data_validation.formula2)
        end_tag(doc, 'dataValidation')
    end_tag(doc, 'dataValidations')

def write_worksheet_hyperlinks(doc, worksheet):
    """Write worksheet hyperlinks to xml."""
    write_hyperlinks = False
    for cell in worksheet.get_cell_collection():
        if cell.hyperlink_rel_id is not None:
            write_hyperlinks = True
            break
    if write_hyperlinks:
        start_tag(doc, 'hyperlinks')
        for cell in worksheet.get_cell_collection():
            if cell.hyperlink_rel_id is not None:
                attrs = {'display': cell.hyperlink,
                        'ref': cell.coordinate,
                        'r:id': cell.hyperlink_rel_id}
                tag(doc, 'hyperlink', attrs)
        end_tag(doc, 'hyperlinks')

def write_worksheet_conditional_formatting(doc, worksheet):
    """Write conditional formatting to xml."""
    worksheet.conditional_formatting.adjustPriority()

    for range_string, rules in iteritems(worksheet.conditional_formatting.cf_rules):
        if not len(rules):
            # Skip if there are no rules.  This is possible if a dataBar rule was read in and ignored.
            continue
        start_tag(doc, 'conditionalFormatting', {'sqref': range_string})
        for rule in rules:
            if rule['type'] == 'dataBar':
                # Ignore - uses extLst tag which is currently unsupported.
                continue
            attr = {'type': rule['type']}
            for rule_attr in ConditionalFormatting.rule_attributes:
                if rule_attr in rule:
                    attr[rule_attr] = str(rule[rule_attr])
            start_tag(doc, 'cfRule', attr)
            if 'formula' in rule:
                for f in rule['formula']:
                    tag(doc, 'formula', None, f)
            if 'colorScale' in rule:
                start_tag(doc, 'colorScale')
                for cfvo in rule['colorScale']['cfvo']:
                    tag(doc, 'cfvo', cfvo)

def write_worksheet_autofilter(doc, worksheet):
    auto_filter = worksheet.auto_filter
    if auto_filter.filter_columns or auto_filter.sort_conditions:
        start_tag(doc, 'autoFilter', {'ref': auto_filter.ref})
        for col_id, filter_column in sorted(auto_filter.filter_columns.items()):
            start_tag(doc, 'filterColumn', {'colId': str(col_id)})
            if filter_column.blank:
                start_tag(doc, 'filters', {'blank': '1'})
            else:
                start_tag(doc, 'filters')
            for val in filter_column.vals:
                tag(doc, 'filter', {'val': val})
            end_tag(doc, 'filters')
            end_tag(doc, 'filterColumn')
        if auto_filter.sort_conditions:
            start_tag(doc, 'sortState', {'ref': auto_filter.ref})
            for sort_condition in auto_filter.sort_conditions:
                sort_attr = {'ref': sort_condition.ref}
                if sort_condition.descending:
                    sort_attr['descending'] = '1'

def write_worksheet_autofilter(doc, worksheet):
    auto_filter = worksheet.auto_filter
    if auto_filter.filter_columns or auto_filter.sort_conditions:
        start_tag(doc, 'autoFilter', {'ref': auto_filter.ref})
        for col_id, filter_column in sorted(auto_filter.filter_columns.items()):
            start_tag(doc, 'filterColumn', {'colId': str(col_id)})
            if filter_column.blank:
                start_tag(doc, 'filters', {'blank': '1'})
            else:
                start_tag(doc, 'filters')
            for val in filter_column.vals:
                tag(doc, 'filter', {'val': val})
            end_tag(doc, 'filters')
            end_tag(doc, 'filterColumn')
        if auto_filter.sort_conditions:
            start_tag(doc, 'sortState', {'ref': auto_filter.ref})
            for sort_condition in auto_filter.sort_conditions:
                sort_attr = {'ref': sort_condition.ref}
                if sort_condition.descending:
                    sort_attr['descending'] = '1'
                tag(doc, 'sortCondtion', sort_attr)
            end_tag(doc, 'sortState')
        end_tag(doc, 'autoFilter')
    elif auto_filter.ref:
        tag(doc, 'autoFilter', {'ref': auto_filter.ref})

def write_worksheet_mergecells(doc, worksheet):
    """Write merged cells to xml."""
    if len(worksheet._merged_cells) > 0:
        start_tag(doc, 'mergeCells', {'count': str(len(worksheet._merged_cells))})
        for range_string in worksheet._merged_cells:
            attrs = {'ref': range_string}
            tag(doc, 'mergeCell', attrs)
        end_tag(doc, 'mergeCells')

def write_worksheet_sheetviews(doc, worksheet):
    start_tag(doc, 'sheetViews')
    start_tag(doc, 'sheetView', {'workbookViewId': '0'})
    selectionAttrs = {}
    topLeftCell = worksheet.freeze_panes
    if topLeftCell:
        colName, row = coordinate_from_string(topLeftCell)
        column = column_index_from_string(colName)
        pane = 'topRight'
        paneAttrs = {}
        if column > 1:
            paneAttrs['xSplit'] = str(column - 1)
        if row > 1:
            paneAttrs['ySplit'] = str(row - 1)
            pane = 'bottomLeft'
            if column > 1:
                pane = 'bottomRight'
        paneAttrs.update(dict(topLeftCell=topLeftCell,