[Feature][python] Support read configuration in env variable #8344
Description
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- I had searched in the issues and found no similar feature requirement.
Description
After #8249 is merged, our cli could read config in local file, but in some case, user prefer to set config to env variable, so we should also support read config in env variable
Use case
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Related issues
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Are you willing to submit a PR?
- Yes I am willing to submit a PR!
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