python XlsxWriter set border around multiple cells

Question

I need an easy way to set border around multiple cells, like so:

All I found was border of

Answer 1

Gilad's answer is great b/c it is compatible with Python 3. I modified it further to handle scenarios with a single column or row.

# Format cell borders via a configurable RxC box
def draw_frame_border(workbook, worksheet, first_row, first_col, rows_count, cols_count,thickness=1):

    if cols_count == 1 and rows_count == 1:
        # whole cell
        worksheet.conditional_format(first_row, first_col,
                                     first_row, first_col,
                                     {'type': 'formula', 'criteria': 'True',
                                     'format': workbook.add_format({'top': thickness, 'bottom':thickness,
                                                                    'left': thickness,'right':thickness})})    
    elif rows_count == 1:
        # left cap
        worksheet.conditional_format(first_row, first_col,
                                 first_row, first_col,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'top': thickness, 'left': thickness,'bottom':thickness})})
        # top and bottom sides
        worksheet.conditional_format(first_row, first_col + 1,
                                 first_row, first_col + cols_count - 2,
                                 {'type': 'formula', 'criteria': 'True', 'format': workbook.add_format({'top': thickness,'bottom':thickness})})

        # right cap
        worksheet.conditional_format(first_row, first_col+ cols_count - 1,
                                 first_row, first_col+ cols_count - 1,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'top': thickness, 'right': thickness,'bottom':thickness})})

    elif cols_count == 1:
        # top cap
        worksheet.conditional_format(first_row, first_col,
                                 first_row, first_col,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'top': thickness, 'left': thickness,'right':thickness})})

        # left and right sides
        worksheet.conditional_format(first_row + 1,              first_col,
                                 first_row + rows_count - 2, first_col,
                                 {'type': 'formula', 'criteria': 'True', 'format': workbook.add_format({'left': thickness,'right':thickness})})

        # bottom cap
        worksheet.conditional_format(first_row + rows_count - 1, first_col,
                                 first_row + rows_count - 1, first_col,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'bottom': thickness, 'left': thickness,'right':thickness})})

    else:
        # top left corner
        worksheet.conditional_format(first_row, first_col,
                                 first_row, first_col,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'top': thickness, 'left': thickness})})

        # top right corner
        worksheet.conditional_format(first_row, first_col + cols_count - 1,
                                 first_row, first_col + cols_count - 1,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'top': thickness, 'right': thickness})})

        # bottom left corner
        worksheet.conditional_format(first_row + rows_count - 1, first_col,
                                 first_row + rows_count - 1, first_col,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'bottom': thickness, 'left': thickness})})

        # bottom right corner
        worksheet.conditional_format(first_row + rows_count - 1, first_col + cols_count - 1,
                                 first_row + rows_count - 1, first_col + cols_count - 1,
                                 {'type': 'formula', 'criteria': 'True',
                                  'format': workbook.add_format({'bottom': thickness, 'right': thickness})})

        # top
        worksheet.conditional_format(first_row, first_col + 1,
                                     first_row, first_col + cols_count - 2,
                                     {'type': 'formula', 'criteria': 'True', 'format': workbook.add_format({'top': thickness})})

        # left
        worksheet.conditional_format(first_row + 1,              first_col,
                                     first_row + rows_count - 2, first_col,
                                     {'type': 'formula', 'criteria': 'True', 'format': workbook.add_format({'left': thickness})})

        # bottom
        worksheet.conditional_format(first_row + rows_count - 1, first_col + 1,
                                     first_row + rows_count - 1, first_col + cols_count - 2,
                                     {'type': 'formula', 'criteria': 'True', 'format': workbook.add_format({'bottom': thickness})})

        # right
        worksheet.conditional_format(first_row + 1,              first_col + cols_count - 1,
                                     first_row + rows_count - 2, first_col + cols_count - 1,
                                     {'type': 'formula', 'criteria': 'True', 'format': workbook.add_format({'right': thickness})})