1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file.
9 def DeleteNodes(item, delete_key):
10 """Deletes the given nodes in item, recursively, that have |delete_key| as
14 return json_parse.IsDict(thing) and thing.get(delete_key, False)
16 if json_parse.IsDict(item):
18 for key, value in item.items():
22 DeleteNodes(value, delete_key)
25 elif type(item) == list:
26 item[:] = [DeleteNodes(thing, delete_key)
27 for thing in item if not HasKey(thing)]
33 with open(filename, 'r') as handle:
34 schemas = json_parse.Parse(handle.read())
38 # A dictionary mapping |filename| to the object resulting from loading the JSON
43 def CachedLoad(filename):
44 """Equivalent to Load(filename), but caches results for subsequent calls"""
45 if filename not in _cache:
46 _cache[filename] = Load(filename)
47 # Return a copy of the object so that any changes a caller makes won't affect
49 return copy.deepcopy(_cache[filename])