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Rename and comment tree_to_leaves_iterator

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This commit is contained in:
Erik Johnston 2017-01-17 11:44:57 +00:00
parent 1ccd5676e3
commit d6c75cb7c2
2 changed files with 8 additions and 5 deletions
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9
synapse/util/caches/treecache.py
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@ -65,16 +65,19 @@ class TreeCache(object):
return popped
def values(self):
return list(popped_to_iterator(self.root))
return list(iterate_tree_cache_entry(self.root))
def __len__(self):
return self.size
def popped_to_iterator(d):
def iterate_tree_cache_entry(d):
"""Helper function to iterate over the leaves of a tree, i.e. a dict of that
can contain dicts.
"""
if isinstance(d, dict):
for value_d in d.itervalues():
for value in popped_to_iterator(value_d):
for value in iterate_tree_cache_entry(value_d):
yield value
else:
if isinstance(d, _Entry):