/TypeScript/Check if file exists on s3 python

Check if file exists on s3 python

import boto3

def get_resource(config: dict={}):
    """Loads the s3 resource.

    Expects AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY to be in the environment
    or in a config dictionary.
    Looks in the environment first."""

    s3 = boto3.resource('s3',
                        aws_access_key_id=os.environ.get(
                            "AWS_ACCESS_KEY_ID", config.get("AWS_ACCESS_KEY_ID")),
                        aws_secret_access_key=os.environ.get("AWS_SECRET_ACCESS_KEY", config.get("AWS_SECRET_ACCESS_KEY")))
    return s3


def get_bucket(s3, s3_uri: str):
    """Get the bucket from the resource.
    A thin wrapper, use with caution.

    Example usage:

    >> bucket = get_bucket(get_resource(), s3_uri_prod)"""
    return s3.Bucket(s3_uri)


def isfile_s3(bucket, key: str) -> bool:
    """Returns T/F whether the file exists."""
    objs = list(bucket.objects.filter(Prefix=key))
    return len(objs) == 1 and objs[0].key == key


def isdir_s3(bucket, key: str) -> bool:
    """Returns T/F whether the directory exists."""
    objs = list(bucket.objects.filter(Prefix=key))
    return len(objs) > 1

Source: ti-enxame.com

Similar codes

0 vote128 views1 answer
Defects and Defect Density of quality software
TypeScript
0 vote120 views4 answers
Download toasts in django
TypeScript
0 vote103 views1 answer
Positional arguments dart
TypeScript
0 vote107 views1 answer
Facts about poutine
TypeScript
1 vote105 views1 answer
How to delete the spec.ts file in project all togethre
TypeScript
-1 vote122 views1 answer
How to clear all the dropdown elements in jquery
TypeScript
0 vote114 views1 answer
Check if username exists in database django
TypeScript
2 votes124 views3 answers
Typescript jsx element
TypeScript
0 vote114 views1 answer
Print gets opened whenever pdf is opened
TypeScript
1 vote143 views1 answer
Divide all elements of list by an integer
TypeScript