Created
March 17, 2014 17:51
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Pretty prints a default dict in IPython
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def pprint_defaultdict(): | |
from collections import defaultdict | |
import IPython | |
ip = get_ipython() | |
tf = ip.display_formatter.formatters['text/plain'] | |
def _print_default_dict(arg, p, cycle): | |
""" Pretty print a defaultdict. """ | |
def rec(obj, indent=0, level=0): | |
if isinstance(obj, defaultdict) or isinstance(obj, dict): | |
p.text('{\n') | |
indent += 1 | |
l = len(obj) | |
dotdotdot = False | |
for idx, k in enumerate(sorted(obj, key=lambda k: k)): | |
v = obj[k] | |
if idx <= 4 or l-idx <= 5: | |
if (idx != 0) and not (l-idx == 5 and dotdotdot): | |
p.text(',\n') | |
p.text(' '*indent + IPython.lib.pretty.pretty(k)) | |
p.text(':') | |
rec(v, indent, level+1) | |
elif not dotdotdot: | |
p.text('\n\n' + ' '*indent + '...\n\n') | |
dotdotdot = True | |
indent -= 1 | |
p.text('\n' + ' '*indent + '}') | |
else: | |
p.text(IPython.lib.pretty.pretty(obj)) | |
rec(arg) | |
tf.for_type(defaultdict, _print_default_dict) | |
pprint_defaultdict() |
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