CSV -> vertical display

csvvert.py

#!/usr/bin/env python
"""

Displays a CSV file's contents vertically.

Example:

$ cat | ~/bin/csvvert.py
Year,Make,Model,Length
1981,Ford,Capri Ghia,2.34
1986,Ford,Reliant Regal,2.34
1990,Ford,Sierra RS Cosworth,2.38

  Year: 1981
  Make: Ford
 Model: Capri Ghia
Length: 2.34

  Year: 1986
  Make: Ford
 Model: Reliant Regal
Length: 2.34

  Year: 1990
  Make: Ford
 Model: Sierra RS Cosworth
Length: 2.38


"""

import csv
import os
import sys

lines = sys.stdin.readlines()

fields = list(csv.reader(lines[0:1]))[0]

max_fieldname_length = max([len(f) for f in fields])
lineformat = "%%%is: %%s%%s" % max_fieldname_length

csvreader = csv.DictReader(lines)

for row in csvreader:
    for field in fields:
        sys.stdout.write(lineformat % (field, row[field], os.linesep))
    sys.stdout.write(os.linesep)

wise car choices