Last active
February 22, 2016 20:41
-
-
Save bencharb/2a7dd12546d6e2138e23 to your computer and use it in GitHub Desktop.
iterable paths
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import itertools | |
import collections | |
def is_non_string_sequence(seq): | |
return isinstance(seq, collections.Sequence) and not isinstance(seq, basestring) | |
def is_dict(d): | |
return isinstance(d, collections.Mapping) or hasattr(d, 'iteritems') and not isinstance(d, basestring) | |
def iterable_paths(o, level=0): | |
if is_dict(o): | |
seqs = [] | |
for k, v in o.iteritems(): | |
newseqs = iterable_paths(v, level=level+1) | |
for newseq in newseqs: | |
seqs.append([k]) | |
seqs[-1].extend(newseq) | |
elif is_non_string_sequence(o): | |
seqs = [[]] | |
for item in o: | |
if not is_dict(item) and not is_non_string_sequence(item): | |
seqs[-1].append(item) | |
else: | |
newseqs = iterable_paths(item, level=level+1) | |
for newseq in newseqs: | |
for s in seqs: | |
s.extend(newseq) | |
else: | |
seqs = [[o]] | |
return seqs | |
def test_iterable_paths(): | |
data = {'i think i will': {'not consider': {'refactoring': 'this'}, | |
'test': {'a': 'value', 'a':['list','ofthings', {'including':{'nesting':'vals'}}]}}, | |
'testing': {'Nones': None, 'emptystrings': ''}} | |
expected = [['testing', 'emptystrings', ''], | |
['testing', 'Nones', None], | |
['i think i will', | |
'test', | |
'a', | |
'list', | |
'ofthings', | |
'including', | |
'nesting', | |
'vals'], | |
['i think i will', 'not consider', 'refactoring', 'this']] | |
vals = iterable_paths(data) | |
assert expected == vals | |
test_iterable_paths() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment