import uuid
def format_volume_id(volume_id):
"""Verifies volume_id and returns it as a str
Args:
volume_id: either a str (in which case it's only validated) or bytes object
"""
try:
if type(volume_id) is bytes:
return str(uuid.UUID(bytes=volume_id))
elif type(volume_id) is str:
return str(uuid.UUID(hex=volume_id))
except ValueError:
pass
return None
def volume_id_to_nguid(uuid):
return uuid.replace('-', '')
