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-rw-r--r--app/utils/string_utils.py59
1 files changed, 59 insertions, 0 deletions
diff --git a/app/utils/string_utils.py b/app/utils/string_utils.py
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+###############################################################################
+# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
+# and others #
+# #
+# All rights reserved. This program and the accompanying materials #
+# are made available under the terms of the Apache License, Version 2.0 #
+# which accompanies this distribution, and is available at #
+# http://www.apache.org/licenses/LICENSE-2.0 #
+###############################################################################
+import json
+from datetime import datetime
+
+from bson import ObjectId
+
+
+def jsonify(obj, prettify=False):
+ if prettify:
+ return json.dumps(obj, sort_keys=True, indent=4, separators=(',', ': '))
+ else:
+ return json.dumps(obj)
+
+
+# stringify datetime object
+def stringify_datetime(dt):
+ return dt.strftime("%Y-%m-%dT%H:%M:%S.%f%z")
+
+
+# stringify ObjectId
+def stringify_object_id(object_id):
+ return str(object_id)
+
+
+stringify_map = {
+ ObjectId: stringify_object_id,
+ datetime: stringify_datetime
+}
+
+
+def stringify_object_values_by_type(obj, object_type):
+ if isinstance(obj, dict):
+ for key, value in obj.items():
+ if isinstance(value, object_type):
+ obj[key] = stringify_map[object_type](value)
+ else:
+ stringify_object_values_by_type(value, object_type)
+ elif isinstance(obj, list):
+ for index, value in enumerate(obj):
+ if isinstance(value, object_type):
+ obj[index] = stringify_map[object_type](value)
+ else:
+ stringify_object_values_by_type(value, object_type)
+
+
+# convert some values of the specific types of the object into string
+# e.g convert all the ObjectId to string
+# convert all the datetime object to string
+def stringify_object_values_by_types(obj, object_types):
+ for object_type in object_types:
+ stringify_object_values_by_type(obj, object_type)