import os
import binascii
import uuid
from xid import Xid


def get_guid(style='uuid'):
    """Get a globally unique string for identify things"""
    if style == 'uuid':
        return uuid.uuid4().hex

    if style == 'xid':
        return Xid().string()

    raise RuntimeError('Unsupported guid style: {0}'.format(style))


# Equivalent implementation
def get_guid():
    return binascii.hexlify(os.urandom(16)).decode()