CODE EXAMPLE FOR PYTHON

Openpyxl automatic width

column_widths = []
for row in workSheet.iter_rows():
    for i, cell in enumerate(row):
        try:
            column_widths[i] = max(column_widths[i], len(cell.value))
        except IndexError:
            column_widths.append(len(cell.value))

for i, column_width in enumerate(column_widths):
    workSheet.column_dimensions[get_column_letter(i + 1)].width = column_width