Fix search space compatibility with JSON #4455
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QuanluZhang
reviewed
Jan 10, 2022
| try: | ||
| return json.loads(content) | ||
| except Exception: | ||
| return yaml.safe_load(content) |
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so the yaml format search space still does not support scientific notation, right?
QuanluZhang
approved these changes
Jan 10, 2022
ultmaster
approved these changes
Jan 10, 2022
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Description
As of now the latest version of PyYAML (6.0) does not support YAML 1.2, which means it is not fully compatible with JSON.
This has caused multiple problems for NNI: #4450 #4452
The PR partially fixed this bug by trying YAML and JSON loaders consecutively. However if a user uses comment and scientific notation at same time, NNI will still fail.
Since PyYAML has already been working on YAML 1.2 support, I prefer to wait for its update for a perfect fix.
As a reminder, ruamel.yaml supports YAML 1.2, but according to our previous experience it's pip package and conda package have inconsistent APIs, which caused even more problems.
Checklist
docHow to test
Create tricky JSON search space file and make sure it's loaded correctly.