prettytable and textwrap to format a dictionary (e.g. os.environ)

gistfile1.py

# some simple function that uses prettytable and textwrap to format a dictionary
# http://code.google.com/p/prettytable/wiki/Tutorial


from prettytable import PrettyTable
from textwrap import wrap
VAL_WRAP_WIDTH = 60

def pretty_dictionary(dic):
   tab = PrettyTable(['key', 'value'])
   for key, val in dic.items():
      wrapped_value_lines = wrap(str(val) or '', VAL_WRAP_WIDTH) or ['']
      tab.add_row([key, wrapped_value_lines[0]])
      for subseq in wrapped_value_lines[1:]:
         tab.add_row(['', subseq])
   return tab

# e.g print pretty_dictionary(os.environ)