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-rw-r--r--chromium/tools/json_schema_compiler/json_parse.py61
1 files changed, 61 insertions, 0 deletions
diff --git a/chromium/tools/json_schema_compiler/json_parse.py b/chromium/tools/json_schema_compiler/json_parse.py
new file mode 100644
index 00000000000..9502e91d5c2
--- /dev/null
+++ b/chromium/tools/json_schema_compiler/json_parse.py
@@ -0,0 +1,61 @@
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import json
+import logging
+import os
+import sys
+
+_FILE_PATH = os.path.dirname(os.path.realpath(__file__))
+_SYS_PATH = sys.path[:]
+try:
+ _COMMENT_EATER_PATH = os.path.join(
+ _FILE_PATH, os.pardir, 'json_comment_eater')
+ sys.path.insert(0, _COMMENT_EATER_PATH)
+ import json_comment_eater
+finally:
+ sys.path = _SYS_PATH
+
+try:
+ from collections import OrderedDict
+
+ # Successfully imported, so we're running Python >= 2.7, and json.loads
+ # supports object_pairs_hook.
+ def Parse(json_str):
+ return json.loads(json_comment_eater.Nom(json_str),
+ object_pairs_hook=OrderedDict)
+
+except ImportError:
+ # Failed to import, so we're running Python < 2.7, and json.loads doesn't
+ # support object_pairs_hook. simplejson however does, but it's slow.
+ #
+ # TODO(cduvall/kalman): Refuse to start the docs server in this case, but
+ # let json-schema-compiler do its thing.
+ #logging.warning('Using simplejson to parse, this might be slow! Upgrade to '
+ # 'Python 2.7.')
+
+ _SYS_PATH = sys.path[:]
+ try:
+ _SIMPLE_JSON_PATH = os.path.join(_FILE_PATH,
+ os.pardir,
+ os.pardir,
+ 'third_party')
+ sys.path.insert(0, _SIMPLE_JSON_PATH)
+ # Add this path in case this is being used in the docs server.
+ sys.path.insert(0, os.path.join(_FILE_PATH,
+ os.pardir,
+ os.pardir,
+ 'third_party',
+ 'json_schema_compiler'))
+ import simplejson
+ from simplejson import OrderedDict
+ finally:
+ sys.path = _SYS_PATH
+
+ def Parse(json_str):
+ return simplejson.loads(json_comment_eater.Nom(json_str),
+ object_pairs_hook=OrderedDict)
+
+def IsDict(item):
+ return isinstance(item, (dict, OrderedDict))