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author | Paul McGoldrick <paul.mcgoldrick@att.com> | 2017-09-28 10:03:40 -0700 |
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committer | Paul McGoldrick <paul.mcgoldrick@att.com> | 2017-09-28 10:14:55 -0700 |
commit | bd886d918ef2adbabd16c61fdd2e47984e21dfd7 (patch) | |
tree | d41683dffa58fd698df450d148fab3cc2521b0c5 /django/validationmanager/utils/keyawaredefaultdict.py | |
parent | 474554adad912f3edb7ddc3ad14406abb369fb3c (diff) |
initial seed code commit VVP-5
Change-Id: I6560c87ef48a6d0d1fe8197c7c6439c7e6ad653f
Signed-off-by: Paul McGoldrick <paul.mcgoldrick@att.com>
Diffstat (limited to 'django/validationmanager/utils/keyawaredefaultdict.py')
-rwxr-xr-x | django/validationmanager/utils/keyawaredefaultdict.py | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/django/validationmanager/utils/keyawaredefaultdict.py b/django/validationmanager/utils/keyawaredefaultdict.py new file mode 100755 index 0000000..b9a8254 --- /dev/null +++ b/django/validationmanager/utils/keyawaredefaultdict.py @@ -0,0 +1,55 @@ +# +# ============LICENSE_START========================================== +# org.onap.vvp/engagementmgr +# =================================================================== +# Copyright © 2017 AT&T Intellectual Property. All rights reserved. +# =================================================================== +# +# Unless otherwise specified, all software contained herein is licensed +# under the Apache License, Version 2.0 (the “License”); +# you may not use this software except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# +# +# Unless otherwise specified, all documentation contained herein is licensed +# under the Creative Commons License, Attribution 4.0 Intl. (the “License”); +# you may not use this documentation except in compliance with the License. +# You may obtain a copy of the License at +# +# https://creativecommons.org/licenses/by/4.0/ +# +# Unless required by applicable law or agreed to in writing, documentation +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# ============LICENSE_END============================================ +# +# ECOMP is a trademark and service mark of AT&T Intellectual Property. +from collections import defaultdict + + +class KeyAwareDefaultDict(defaultdict): + """A defaultdict whose missing-key factory is passed the missing key as its only argument. + + See https://docs.python.org/3/library/collections.html#defaultdict-objects + + """ + + def __missing__(self, key): + # This code is modified copypasta from help(collections.defaultdict.__missing__). + # Unfortunately there is no simpler way to override its behavior. + if self.default_factory is None: + raise KeyError((key,)) + self[key] = value = self.default_factory(key) + return value |