Misleading InvalidRetryConfigurationError raised for retries

Describe the issue

This documentation tells us that we can use “retry_mode” option in the retries parameter for the Config class, but it seems that it is not true:

[ricardofunke@ricardofunke dynamodb_queries]$ python3 dynacount.py 
Traceback (most recent call last):
  File "/home/ricardofunke/dynamodb_queries/dynacount.py", line 11, in <module>
    config = Config(
  File "/home/ricardofunke/.local/lib/python3.10/site-packages/botocore/config.py", line 236, in __init__
    self._validate_retry_configuration(self.retries)
  File "/home/ricardofunke/.local/lib/python3.10/site-packages/botocore/config.py", line 282, in _validate_retry_configuration
    raise InvalidRetryConfigurationError(
botocore.exceptions.InvalidRetryConfigurationError: Cannot provide retry configuration for "retry_mode". Valid retry configuration options are: 'max_attempts'

The Boto3 versions I’m using:

[ricardofunke@ricardofunke dynamodb_queries]$ python3 -m pip list | grep boto
boto3              1.24.7
botocore           1.27.7

The code:

import boto3
from botocore.config import Config
config = Config(
    retries = {
        'max_attempts': 10,
        'retry_mode': 'adaptive'
    }
)

Links

https://boto3.amazonaws.com/v1/documentation/api/latest/guide/retries.html

[nateprewitt]

Thanks for the PR, @ricardofunke! Now that it’s merged, we can close this out.

[ricardofunke]

Hi @nateprewitt,

I never did that before, but I’ve just submitted this Pull Request named:

Issue #3300: Adding variables for retry and modes options

Sorry if I made any mistake,

Best regards!