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import copy
def merge(target, *args):
"""Merges arbitrary data - copied from http://blog.impressiver.com/post/31434674390/deep-merge-multiple-python-dicts
:param target: the data structure to fill
:param args: a list of data structures to merge into target
:return: target, with all data in args merged into it
:rtype: whatever type was originally passed in
"""
if len(args) > 1:
for item in args:
merge(target, item)
return target
item = args[0]
if not isinstance(item, dict):
return item
for key, value in item.items():
if key in target and isinstance(target[key], dict):
merge(target[key], value)
else:
if not key in target:
target[key] = copy.deepcopy(value)
return target
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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