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## pprint!

# pretty print prints things prettily

data = [ ( 1,

{ 'a':'A',

'b':'B',

'c':'C',

'd':'D'

}),

( 2,

{ 'e':'E',

'f':'F',

'g':'G',

'h':'H',

'i':'I',

'j':'J',

'k':'K',

'l':'L'

}),

]

import logging

from pprint import pprint, pformat

print 'Print:'

print data

print

print 'PPrint:'

pprint(data)

# use pformat() to build a formatted string

logging.basicConfig(level=logging.DEBUG,

format='%(levelname)-8s %(message)s',

)

logging.debug('Logging pformatted data')

formatted = pformat(data)

for line in formatted.splitlines():

logging.debug(line.rstrip())

# the PrttyPrinter class can be used in customd classes (not just Strings)

# if they define a __repr__() method

class node(object):

def __init__(self, name, contents=[]):

self.name = name

self.contents = contents[:]

def __repr__(self):

return ( 'node('+ repr(self.name) + ', ' + repr(self.contents) + ')' )

trees = [

node('node-1', []),

node('node-2', [ node('node-2.1'), node('node-2.2.') ] ),

node('node-3', [ node('node-3.1') ]),

]

pprint(trees)

# pprint will indicate recursion

data.append(data)

print '\ndata.append(data)'

pprint(data)

data = data[0:2]

print

# pprint can take two aguments, depth and width

# depth tells how deep to print (duh)

pprint( data, depth = 2)

# and width tells... width!

for pwidth in [ 8, 80 ]:

print '\nwidth:', pwidth

pprint( data, width = pwidth)