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Better dict merging (less side-effectful)

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This commit is contained in:
Anders Ingemann 2014-12-31 13:40:16 +01:00
parent b6976eb6e9
commit a241842ef9
1 changed files with 3 additions and 7 deletions
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10
tests/integration/manifests/__init__.py
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@ -32,15 +32,11 @@ def merge_dicts(*args):
def clone(obj): def clone(obj):
copy = obj copy = obj
if isinstance(obj, dict): if isinstance(obj, dict):
copy = {} copy = {key: clone(value) for key, value in obj.iteritems()}
for key, value in obj.iteritems():
copy[key] = clone(value)
if isinstance(obj, list): if isinstance(obj, list):
copy = [] copy = [clone(value) for value in obj]
copy.extend(obj)
if isinstance(obj, set): if isinstance(obj, set):
copy = set() copy = set([clone(value) for value in obj])
copy.update(obj)
return copy return copy
def merge(a, b, path=[]): def merge(a, b, path=[]):