users_by_site = defaultdict(list)
users_dict = {}
for user in users:
+ user['urn'] = user['urn'].lower()
hrn, type = urn_to_hrn(user['urn'])
username = get_leaf(hrn)
login_base = PlXrn(xrn=user['urn']).pl_login_base()
user['site'] = login_base
if 'email' in user:
+ user['email'] = user['email'].lower()
users_by_email[user['email']] = user
users_dict[user['email']] = user
else: