/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 vote229 views1 answer
Common child hackerrank solution
TypeScript
0 vote232 views1 answer
Exclude code from hints delphi 7
TypeScript
0 vote224 views1 answer
Date get date dots
TypeScript
1 vote237 views1 answer
Git count commits by author
TypeScript
0 vote247 views2 answers
Adding font in nextjs
TypeScript
5 votes241 views1 answer
Fontawesome , font
TypeScript
11 votes242 views2 answers
Angular switch component
TypeScript
2 votes238 views1 answer
Input event typescript
TypeScript
1 vote233 views1 answer
ERROR in ngcc is already running at process with id 8108. If you are running multiple builds in parallel then you should pre-process your node_modules via the command line ngcc tool before starting the builds;
TypeScript
-2 votes228 views3 answers
Typescript count array condition
TypeScript