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e18c302 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | import copy
from typing import Dict
import boto3
from aws_lambda_powertools.utilities.parameters import BaseProvider
class S3Provider(BaseProvider):
def __init__(self, bucket_name: str):
# Initialize the client to your custom parameter store
# E.g.:
super().__init__()
self.bucket_name = bucket_name
self.client = boto3.client("s3")
def _get(self, name: str, **sdk_options) -> str:
# Retrieve a single value
# E.g.:
sdk_options["Bucket"] = self.bucket_name
sdk_options["Key"] = name
response = self.client.get_object(**sdk_options)
return response["Body"].read().decode()
def _get_multiple(self, path: str, **sdk_options) -> Dict[str, str]:
# Retrieve multiple values
# E.g.:
list_sdk_options = copy.deepcopy(sdk_options)
list_sdk_options["Bucket"] = self.bucket_name
list_sdk_options["Prefix"] = path
list_response = self.client.list_objects_v2(**list_sdk_options)
parameters = {}
for obj in list_response.get("Contents", []):
get_sdk_options = copy.deepcopy(sdk_options)
get_sdk_options["Bucket"] = self.bucket_name
get_sdk_options["Key"] = obj["Key"]
get_response = self.client.get_object(**get_sdk_options)
parameters[obj["Key"]] = get_response["Body"].read().decode()
return parameters
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