| 1 | # pprint_table.py |
| 2 | # |
| 3 | # This module is used to pretty-print a table |
| 4 | # Adapted from |
| 5 | # http://ginstrom.com/scribbles/2007/09/04/pretty-printing-a-table-in-python/ |
| 6 | |
| 7 | import sys |
| 8 | |
| 9 | def get_max_width(table, index): |
| 10 | """Get the maximum width of the given column index""" |
| 11 | |
| 12 | return max([len(str(row[index])) for row in table]) |
| 13 | |
| 14 | |
| 15 | def pprint_table(table, nbLeft=1, out=sys.stdout): |
| 16 | """ |
| 17 | Prints out a table of data, padded for alignment |
| 18 | @param table: The table to print. A list of lists. |
| 19 | Each row must have the same number of columns. |
| 20 | @param nbLeft: The number of columns aligned left |
| 21 | @param out: Output stream (file-like object) |
| 22 | """ |
| 23 | |
| 24 | col_paddings = [] |
| 25 | |
| 26 | for i in range(len(table[0])): |
| 27 | col_paddings.append(get_max_width(table, i)) |
| 28 | |
| 29 | for row in table: |
| 30 | # left cols |
| 31 | for i in range(nbLeft): |
| 32 | print >> out, str(row[i]).ljust(col_paddings[i] + 1), |
| 33 | # rest of the cols |
| 34 | for i in range(nbLeft, len(row)): |
| 35 | col = str(row[i]).rjust(col_paddings[i] + 2) |
| 36 | print >> out, col, |
| 37 | print >> out |