ccaaws

A small uv-managed Python library for creating boto3 sessions and clients, including assumed-role clients.

Requires Python >= 3.14.

Install

uv add ccaaws

Usage

import ccaaws

# a plain boto3 session, optionally with a named CLI profile and/or region
sess = ccaaws.session(profile="myprofile", region="eu-west-1")

# a client for any AWS service, reusing a session if one is given
s3 = ccaaws.client("s3", sess=sess)

# or let it create its own session
ec2 = ccaaws.client("ec2", profile="myprofile", region="eu-west-1")

# a client built from temporary assumed-role credentials
sts_client = ccaaws.assumeRoleClient(
    "s3",
    "arn:aws:iam::123456789012:role/myrole",
    "mysession",
    profile="myprofile",
    region="eu-west-1",
)

API

session(profile=None, region=None) -> boto3.Session Creates a new boto3 session, optionally using a named CLI profile and/or region.
client(service_name, sess=None, profile=None, region=None, **kwargs) -> Any Creates a client for the given AWS service, reusing sess if provided, otherwise creating a new session from profile/region. Extra kwargs are passed through to Session.client().
assumeRoleClient(service_name, role_arn, role_session_name, sess=None, profile=None, region=None, duration_seconds=3600, **kwargs) -> Any Calls STS AssumeRole for role_arn and returns a client for service_name built from the resulting temporary credentials. Extra kwargs are passed through to Session.client().

Development

uv sync
uv run pytest

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