import sys
import os

aws_profile = sys.argv[1]

credentials_path = os.path.expanduser("~/.aws/credentials")
with open(credentials_path, "r") as f:
    line = f.readline()
    while line:
        if "[{}]".format(aws_profile) in line:
            line_access_key = f.readline()
            aws_access_key = line_access_key.split("=")[1].strip()
            line_secret_key = f.readline()
            aws_secret_key = line_secret_key.split("=")[1].strip()
            break
        line = f.readline()

print "aws_access_key: %s" % aws_access_key
print "aws_secret_key: %s" % aws_secret_key

$ python aws_credentials.py default
aws_access_key: xxxxxxxxxx
aws_secret_key: zzzzzzzzzzz

[default]
aws_access_key_id = xxxxxxxxxx
aws_secret_access_key = zzzzzzzzzzz
[fuck]
aws_access_key_id = shit
aws_secret_access_key = bitch

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