Table widths

gistfile1.py

max_width = 0
for header_row in table['header']:
    width = sum(cell['colspan'] for cell in header_row)
    max_width = max(max_width, width)

#  Just in case a row is longer than the header
row_max = max(len(row) for row in table['rows'])
max_width = max(max_width, row_max)

#  Now pad rows if needed
for row in table['rows']:
    row.extend([''] * (max_width - len(row)))