docs/examples/loadbalancer/elb/create_lb_policy.py

from libcloud.loadbalancer.types import Provider
from libcloud.loadbalancer.providers import get_driver

ACCESS_ID = "your access id"
SECRET_KEY = "your secret key"

cls = get_driver(Provider.ELB)
driver = cls(key=ACCESS_ID, secret=SECRET_KEY)

print(driver.list_balancers())

# create load balancer policy
driver.ex_create_balancer_policy(
    name="MyLB",
    policy_name="EnableProxyProtocol",
    policy_type="ProxyProtocolPolicyType",
    policy_attributes={"ProxyProtocol": "true"},
)